integration-cli/docker_cli_build_test.go

package main

import (
	"archive/tar"
	"bytes"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"reflect"
	"regexp"
	"runtime"
	"strconv"
	"strings"
	"text/template"
	"time"

	"github.com/docker/docker/builder/dockerfile/command"
	"github.com/docker/docker/pkg/archive"
	"github.com/docker/docker/pkg/integration/checker"
	"github.com/docker/docker/pkg/stringutils"
	"github.com/go-check/check"
)

func (s *DockerSuite) TestBuildJSONEmptyRun(c *check.C) {
	name := "testbuildjsonemptyrun"

	_, err := buildImage(
		name,
		`
    FROM busybox
    RUN []
    `,
		true)

	if err != nil {
		c.Fatal("error when dealing with a RUN statement with empty JSON array")
	}

}

func (s *DockerSuite) TestBuildShCmdJSONEntrypoint(c *check.C) {
	name := "testbuildshcmdjsonentrypoint"

	_, err := buildImage(
		name,
		`
    FROM busybox
    ENTRYPOINT ["echo"]
    CMD echo test
    `,
		true)
	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", "--rm", name)

	if daemonPlatform == "windows" {
		if !strings.Contains(out, "cmd /S /C echo test") {
			c.Fatalf("CMD did not contain cmd /S /C echo test : %q", out)
		}
	} else {
		if strings.TrimSpace(out) != "/bin/sh -c echo test" {
			c.Fatalf("CMD did not contain /bin/sh -c : %q", out)
		}
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementUser(c *check.C) {
	// Windows does not support FROM scratch or the USER command
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvironmentreplacement"

	_, err := buildImage(name, `
  FROM scratch
  ENV user foo
  USER ${user}
  `, true)
	if err != nil {
		c.Fatal(err)
	}

	res := inspectFieldJSON(c, name, "Config.User")

	if res != `"foo"` {
		c.Fatal("User foo from environment not in Config.User on image")
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementVolume(c *check.C) {
	name := "testbuildenvironmentreplacement"

	var volumePath string

	if daemonPlatform == "windows" {
		volumePath = "c:/quux"
	} else {
		volumePath = "/quux"
	}

	_, err := buildImage(name, `
  FROM `+minimalBaseImage()+`
  ENV volume `+volumePath+`
  VOLUME ${volume}
  `, true)
	if err != nil {
		c.Fatal(err)
	}

	res := inspectFieldJSON(c, name, "Config.Volumes")

	var volumes map[string]interface{}

	if err := json.Unmarshal([]byte(res), &volumes); err != nil {
		c.Fatal(err)
	}

	if _, ok := volumes[volumePath]; !ok {
		c.Fatal("Volume " + volumePath + " from environment not in Config.Volumes on image")
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementExpose(c *check.C) {
	// Windows does not support FROM scratch or the EXPOSE command
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvironmentreplacement"

	_, err := buildImage(name, `
  FROM scratch
  ENV port 80
  EXPOSE ${port}
  ENV ports "  99   100 "
  EXPOSE ${ports}
  `, true)
	if err != nil {
		c.Fatal(err)
	}

	res := inspectFieldJSON(c, name, "Config.ExposedPorts")

	var exposedPorts map[string]interface{}

	if err := json.Unmarshal([]byte(res), &exposedPorts); err != nil {
		c.Fatal(err)
	}

	exp := []int{80, 99, 100}

	for _, p := range exp {
		tmp := fmt.Sprintf("%d/tcp", p)
		if _, ok := exposedPorts[tmp]; !ok {
			c.Fatalf("Exposed port %d from environment not in Config.ExposedPorts on image", p)
		}
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementWorkdir(c *check.C) {
	name := "testbuildenvironmentreplacement"

	_, err := buildImage(name, `
  FROM busybox
  ENV MYWORKDIR /work
  RUN mkdir ${MYWORKDIR}
  WORKDIR ${MYWORKDIR}
  `, true)

	if err != nil {
		c.Fatal(err)
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementAddCopy(c *check.C) {
	name := "testbuildenvironmentreplacement"

	ctx, err := fakeContext(`
  FROM `+minimalBaseImage()+`
  ENV baz foo
  ENV quux bar
  ENV dot .
  ENV fee fff
  ENV gee ggg

  ADD ${baz} ${dot}
  COPY ${quux} ${dot}
  ADD ${zzz:-${fee}} ${dot}
  COPY ${zzz:-${gee}} ${dot}
  `,
		map[string]string{
			"foo": "test1",
			"bar": "test2",
			"fff": "test3",
			"ggg": "test4",
		})

	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

}

func (s *DockerSuite) TestBuildEnvironmentReplacementEnv(c *check.C) {
	// ENV expansions work differently in Windows
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvironmentreplacement"

	_, err := buildImage(name,
		`
  FROM busybox
  ENV foo zzz
  ENV bar ${foo}
  ENV abc1='$foo'
  ENV env1=$foo env2=${foo} env3="$foo" env4="${foo}"
  RUN [ "$abc1" = '$foo' ] && (echo "$abc1" | grep -q foo)
  ENV abc2="\$foo"
  RUN [ "$abc2" = '$foo' ] && (echo "$abc2" | grep -q foo)
  ENV abc3 '$foo'
  RUN [ "$abc3" = '$foo' ] && (echo "$abc3" | grep -q foo)
  ENV abc4 "\$foo"
  RUN [ "$abc4" = '$foo' ] && (echo "$abc4" | grep -q foo)
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	res := inspectFieldJSON(c, name, "Config.Env")

	envResult := []string{}

	if err = unmarshalJSON([]byte(res), &envResult); err != nil {
		c.Fatal(err)
	}

	found := false
	envCount := 0

	for _, env := range envResult {
		parts := strings.SplitN(env, "=", 2)
		if parts[0] == "bar" {
			found = true
			if parts[1] != "zzz" {
				c.Fatalf("Could not find replaced var for env `bar`: got %q instead of `zzz`", parts[1])
			}
		} else if strings.HasPrefix(parts[0], "env") {
			envCount++
			if parts[1] != "zzz" {
				c.Fatalf("%s should be 'foo' but instead its %q", parts[0], parts[1])
			}
		} else if strings.HasPrefix(parts[0], "env") {
			envCount++
			if parts[1] != "foo" {
				c.Fatalf("%s should be 'foo' but instead its %q", parts[0], parts[1])
			}
		}
	}

	if !found {
		c.Fatal("Never found the `bar` env variable")
	}

	if envCount != 4 {
		c.Fatalf("Didn't find all env vars - only saw %d\n%s", envCount, envResult)
	}

}

func (s *DockerSuite) TestBuildHandleEscapes(c *check.C) {
	// The volume paths used in this test are invalid on Windows
	testRequires(c, DaemonIsLinux)
	name := "testbuildhandleescapes"

	_, err := buildImage(name,
		`
  FROM scratch
  ENV FOO bar
  VOLUME ${FOO}
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	var result map[string]map[string]struct{}

	res := inspectFieldJSON(c, name, "Config.Volumes")

	if err = unmarshalJSON([]byte(res), &result); err != nil {
		c.Fatal(err)
	}

	if _, ok := result["bar"]; !ok {
		c.Fatal("Could not find volume bar set from env foo in volumes table")
	}

	deleteImages(name)

	_, err = buildImage(name,
		`
  FROM scratch
  ENV FOO bar
  VOLUME \${FOO}
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	res = inspectFieldJSON(c, name, "Config.Volumes")

	if err = unmarshalJSON([]byte(res), &result); err != nil {
		c.Fatal(err)
	}

	if _, ok := result["${FOO}"]; !ok {
		c.Fatal("Could not find volume ${FOO} set from env foo in volumes table")
	}

	deleteImages(name)

	// this test in particular provides *7* backslashes and expects 6 to come back.
	// Like above, the first escape is swallowed and the rest are treated as
	// literals, this one is just less obvious because of all the character noise.

	_, err = buildImage(name,
		`
  FROM scratch
  ENV FOO bar
  VOLUME \\\\\\\${FOO}
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	res = inspectFieldJSON(c, name, "Config.Volumes")

	if err = unmarshalJSON([]byte(res), &result); err != nil {
		c.Fatal(err)
	}

	if _, ok := result[`\\\${FOO}`]; !ok {
		c.Fatal(`Could not find volume \\\${FOO} set from env foo in volumes table`, result)
	}

}

func (s *DockerSuite) TestBuildOnBuildLowercase(c *check.C) {
	name := "testbuildonbuildlowercase"
	name2 := "testbuildonbuildlowercase2"

	_, err := buildImage(name,
		`
  FROM busybox
  onbuild run echo quux
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	_, out, err := buildImageWithOut(name2, fmt.Sprintf(`
  FROM %s
  `, name), true)

	if err != nil {
		c.Fatal(err)
	}

	if !strings.Contains(out, "quux") {
		c.Fatalf("Did not receive the expected echo text, got %s", out)
	}

	if strings.Contains(out, "ONBUILD ONBUILD") {
		c.Fatalf("Got an ONBUILD ONBUILD error with no error: got %s", out)
	}

}

func (s *DockerSuite) TestBuildEnvEscapes(c *check.C) {
	// ENV expansions work differently in Windows
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvescapes"
	_, err := buildImage(name,
		`
    FROM busybox
    ENV TEST foo
    CMD echo \$
    `,
		true)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", "-t", name)

	if strings.TrimSpace(out) != "$" {
		c.Fatalf("Env TEST was not overwritten with bar when foo was supplied to dockerfile: was %q", strings.TrimSpace(out))
	}

}

func (s *DockerSuite) TestBuildEnvOverwrite(c *check.C) {
	// ENV expansions work differently in Windows
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvoverwrite"

	_, err := buildImage(name,
		`
    FROM busybox
    ENV TEST foo
    CMD echo ${TEST}
    `,
		true)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", "-e", "TEST=bar", "-t", name)

	if strings.TrimSpace(out) != "bar" {
		c.Fatalf("Env TEST was not overwritten with bar when foo was supplied to dockerfile: was %q", strings.TrimSpace(out))
	}

}

func (s *DockerSuite) TestBuildOnBuildForbiddenMaintainerInSourceImage(c *check.C) {
	name := "testbuildonbuildforbiddenmaintainerinsourceimage"

	out, _ := dockerCmd(c, "create", "busybox", "true")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "commit", "--run", "{\"OnBuild\":[\"MAINTAINER docker.io\"]}", cleanedContainerID, "onbuild")

	_, err := buildImage(name,
		`FROM onbuild`,
		true)
	if err != nil {
		if !strings.Contains(err.Error(), "maintainer isn't allowed as an ONBUILD trigger") {
			c.Fatalf("Wrong error %v, must be about MAINTAINER and ONBUILD in source image", err)
		}
	} else {
		c.Fatal("Error must not be nil")
	}

}

func (s *DockerSuite) TestBuildOnBuildForbiddenFromInSourceImage(c *check.C) {
	name := "testbuildonbuildforbiddenfrominsourceimage"

	out, _ := dockerCmd(c, "create", "busybox", "true")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "commit", "--run", "{\"OnBuild\":[\"FROM busybox\"]}", cleanedContainerID, "onbuild")

	_, err := buildImage(name,
		`FROM onbuild`,
		true)
	if err != nil {
		if !strings.Contains(err.Error(), "from isn't allowed as an ONBUILD trigger") {
			c.Fatalf("Wrong error %v, must be about FROM and ONBUILD in source image", err)
		}
	} else {
		c.Fatal("Error must not be nil")
	}

}

func (s *DockerSuite) TestBuildOnBuildForbiddenChainedInSourceImage(c *check.C) {
	name := "testbuildonbuildforbiddenchainedinsourceimage"

	out, _ := dockerCmd(c, "create", "busybox", "true")

	cleanedContainerID := strings.TrimSpace(out)

	dockerCmd(c, "commit", "--run", "{\"OnBuild\":[\"ONBUILD RUN ls\"]}", cleanedContainerID, "onbuild")

	_, err := buildImage(name,
		`FROM onbuild`,
		true)
	if err != nil {
		if !strings.Contains(err.Error(), "Chaining ONBUILD via `ONBUILD ONBUILD` isn't allowed") {
			c.Fatalf("Wrong error %v, must be about chaining ONBUILD in source image", err)
		}
	} else {
		c.Fatal("Error must not be nil")
	}

}

func (s *DockerSuite) TestBuildOnBuildCmdEntrypointJSON(c *check.C) {
	name1 := "onbuildcmd"
	name2 := "onbuildgenerated"

	_, err := buildImage(name1, `
FROM busybox
ONBUILD CMD ["hello world"]
ONBUILD ENTRYPOINT ["echo"]
ONBUILD RUN ["true"]`,
		false)

	if err != nil {
		c.Fatal(err)
	}

	_, err = buildImage(name2, fmt.Sprintf(`FROM %s`, name1), false)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", name2)

	if !regexp.MustCompile(`(?m)^hello world`).MatchString(out) {
		c.Fatalf("did not get echo output from onbuild. Got: %q", out)
	}

}

func (s *DockerSuite) TestBuildOnBuildEntrypointJSON(c *check.C) {
	name1 := "onbuildcmd"
	name2 := "onbuildgenerated"

	_, err := buildImage(name1, `
FROM busybox
ONBUILD ENTRYPOINT ["echo"]`,
		false)

	if err != nil {
		c.Fatal(err)
	}

	_, err = buildImage(name2, fmt.Sprintf("FROM %s\nCMD [\"hello world\"]\n", name1), false)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", name2)

	if !regexp.MustCompile(`(?m)^hello world`).MatchString(out) {
		c.Fatal("got malformed output from onbuild", out)
	}

}

func (s *DockerSuite) TestBuildCacheAdd(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildtwoimageswithadd"
	server, err := fakeStorage(map[string]string{
		"robots.txt": "hello",
		"index.html": "world",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	if _, err := buildImage(name,
		fmt.Sprintf(`FROM scratch
		ADD %s/robots.txt /`, server.URL()),
		true); err != nil {
		c.Fatal(err)
	}
	if err != nil {
		c.Fatal(err)
	}
	deleteImages(name)
	_, out, err := buildImageWithOut(name,
		fmt.Sprintf(`FROM scratch
		ADD %s/index.html /`, server.URL()),
		true)
	if err != nil {
		c.Fatal(err)
	}
	if strings.Contains(out, "Using cache") {
		c.Fatal("2nd build used cache on ADD, it shouldn't")
	}

}

func (s *DockerSuite) TestBuildLastModified(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildlastmodified"

	server, err := fakeStorage(map[string]string{
		"file": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	var out, out2 string

	dFmt := `FROM busybox
ADD %s/file /
RUN ls -le /file`

	dockerfile := fmt.Sprintf(dFmt, server.URL())

	if _, out, err = buildImageWithOut(name, dockerfile, false); err != nil {
		c.Fatal(err)
	}

	originMTime := regexp.MustCompile(`root.*/file.*\n`).FindString(out)
	// Make sure our regexp is correct
	if strings.Index(originMTime, "/file") < 0 {
		c.Fatalf("Missing ls info on 'file':\n%s", out)
	}

	// Build it again and make sure the mtime of the file didn't change.
	// Wait a few seconds to make sure the time changed enough to notice
	time.Sleep(2 * time.Second)

	if _, out2, err = buildImageWithOut(name, dockerfile, false); err != nil {
		c.Fatal(err)
	}

	newMTime := regexp.MustCompile(`root.*/file.*\n`).FindString(out2)
	if newMTime != originMTime {
		c.Fatalf("MTime changed:\nOrigin:%s\nNew:%s", originMTime, newMTime)
	}

	// Now 'touch' the file and make sure the timestamp DID change this time
	// Create a new fakeStorage instead of just using Add() to help windows
	server, err = fakeStorage(map[string]string{
		"file": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	dockerfile = fmt.Sprintf(dFmt, server.URL())

	if _, out2, err = buildImageWithOut(name, dockerfile, false); err != nil {
		c.Fatal(err)
	}

	newMTime = regexp.MustCompile(`root.*/file.*\n`).FindString(out2)
	if newMTime == originMTime {
		c.Fatalf("MTime didn't change:\nOrigin:%s\nNew:%s", originMTime, newMTime)
	}

}

func (s *DockerSuite) TestBuildSixtySteps(c *check.C) {
	testRequires(c, DaemonIsLinux) // TODO Windows: This test passes on Windows,
	// but currently adds a disproportionate amount of time for the value it has.
	// Removing it from Windows CI for now, but this will be revisited in the
	// TP5 timeframe when perf is better.
	name := "foobuildsixtysteps"

	ctx, err := fakeContext("FROM "+minimalBaseImage()+"\n"+strings.Repeat("ADD foo /\n", 60),
		map[string]string{
			"foo": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildAddSingleFileToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddimg"
	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio /exists
ADD test_file /
RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_file | awk '{print $1}') = '%s' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, expectedFileChmod),
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// Issue #3960: "ADD src ." hangs
func (s *DockerSuite) TestBuildAddSingleFileToWorkdir(c *check.C) {
	name := "testaddsinglefiletoworkdir"
	ctx, err := fakeContext(`FROM busybox
ADD test_file .`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	errChan := make(chan error)
	go func() {
		_, err := buildImageFromContext(name, ctx, true)
		errChan <- err
		close(errChan)
	}()
	select {
	case <-time.After(15 * time.Second):
		c.Fatal("Build with adding to workdir timed out")
	case err := <-errChan:
		c.Assert(err, check.IsNil)
	}
}

func (s *DockerSuite) TestBuildAddSingleFileToExistDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddsinglefiletoexistdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir /exists
RUN touch /exists/exists_file
RUN chown -R dockerio.dockerio /exists
ADD test_file /exists/
RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyAddMultipleFiles(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	server, err := fakeStorage(map[string]string{
		"robots.txt": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	name := "testcopymultiplefilestofile"
	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir /exists
RUN touch /exists/exists_file
RUN chown -R dockerio.dockerio /exists
COPY test_file1 test_file2 /exists/
ADD test_file3 test_file4 %s/robots.txt /exists/
RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/test_file1 | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists/test_file2 | awk '{print $3":"$4}') = 'root:root' ]

RUN [ $(ls -l /exists/test_file3 | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists/test_file4 | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists/robots.txt | awk '{print $3":"$4}') = 'root:root' ]

RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
`, server.URL()),
		map[string]string{
			"test_file1": "test1",
			"test_file2": "test2",
			"test_file3": "test3",
			"test_file4": "test4",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// This test is mainly for user namespaces to verify that new directories
// are created as the remapped root uid/gid pair
func (s *DockerSuite) TestBuildAddToNewDestination(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddtonewdest"
	ctx, err := fakeContext(`FROM busybox
ADD . /new_dir
RUN ls -l /
RUN [ $(ls -l / | grep new_dir | awk '{print $3":"$4}') = 'root:root' ]`,
		map[string]string{
			"test_dir/test_file": "test file",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// This test is mainly for user namespaces to verify that new directories
// are created as the remapped root uid/gid pair
func (s *DockerSuite) TestBuildCopyToNewParentDirectory(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopytonewdir"
	ctx, err := fakeContext(`FROM busybox
COPY test_dir /new_dir
RUN ls -l /new_dir
RUN [ $(ls -l / | grep new_dir | awk '{print $3":"$4}') = 'root:root' ]`,
		map[string]string{
			"test_dir/test_file": "test file",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// This test is mainly for user namespaces to verify that new directories
// are created as the remapped root uid/gid pair
func (s *DockerSuite) TestBuildWorkdirIsContainerRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testworkdirownership"
	if _, err := buildImage(name, `FROM busybox
WORKDIR /new_dir
RUN ls -l /
RUN [ $(ls -l / | grep new_dir | awk '{print $3":"$4}') = 'root:root' ]`, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildAddFileWithWhitespace(c *check.C) {
	testRequires(c, DaemonIsLinux) // Not currently passing on Windows
	name := "testaddfilewithwhitespace"
	ctx, err := fakeContext(`FROM busybox
RUN mkdir "/test dir"
RUN mkdir "/test_dir"
ADD [ "test file1", "/test_file1" ]
ADD [ "test_file2", "/test file2" ]
ADD [ "test file3", "/test file3" ]
ADD [ "test dir/test_file4", "/test_dir/test_file4" ]
ADD [ "test_dir/test_file5", "/test dir/test_file5" ]
ADD [ "test dir/test_file6", "/test dir/test_file6" ]
RUN [ $(cat "/test_file1") = 'test1' ]
RUN [ $(cat "/test file2") = 'test2' ]
RUN [ $(cat "/test file3") = 'test3' ]
RUN [ $(cat "/test_dir/test_file4") = 'test4' ]
RUN [ $(cat "/test dir/test_file5") = 'test5' ]
RUN [ $(cat "/test dir/test_file6") = 'test6' ]`,
		map[string]string{
			"test file1":          "test1",
			"test_file2":          "test2",
			"test file3":          "test3",
			"test dir/test_file4": "test4",
			"test_dir/test_file5": "test5",
			"test dir/test_file6": "test6",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyFileWithWhitespace(c *check.C) {
	testRequires(c, DaemonIsLinux) // Not currently passing on Windows
	name := "testcopyfilewithwhitespace"
	ctx, err := fakeContext(`FROM busybox
RUN mkdir "/test dir"
RUN mkdir "/test_dir"
COPY [ "test file1", "/test_file1" ]
COPY [ "test_file2", "/test file2" ]
COPY [ "test file3", "/test file3" ]
COPY [ "test dir/test_file4", "/test_dir/test_file4" ]
COPY [ "test_dir/test_file5", "/test dir/test_file5" ]
COPY [ "test dir/test_file6", "/test dir/test_file6" ]
RUN [ $(cat "/test_file1") = 'test1' ]
RUN [ $(cat "/test file2") = 'test2' ]
RUN [ $(cat "/test file3") = 'test3' ]
RUN [ $(cat "/test_dir/test_file4") = 'test4' ]
RUN [ $(cat "/test dir/test_file5") = 'test5' ]
RUN [ $(cat "/test dir/test_file6") = 'test6' ]`,
		map[string]string{
			"test file1":          "test1",
			"test_file2":          "test2",
			"test file3":          "test3",
			"test dir/test_file4": "test4",
			"test_dir/test_file5": "test5",
			"test dir/test_file6": "test6",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyWildcard(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testcopywildcard"
	server, err := fakeStorage(map[string]string{
		"robots.txt": "hello",
		"index.html": "world",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
	COPY file*.txt /tmp/
	RUN ls /tmp/file1.txt /tmp/file2.txt
	RUN mkdir /tmp1
	COPY dir* /tmp1/
	RUN ls /tmp1/dirt /tmp1/nested_file /tmp1/nested_dir/nest_nest_file
	RUN mkdir /tmp2
        ADD dir/*dir %s/robots.txt /tmp2/
	RUN ls /tmp2/nest_nest_file /tmp2/robots.txt
	`, server.URL()),
		map[string]string{
			"file1.txt":                     "test1",
			"file2.txt":                     "test2",
			"dir/nested_file":               "nested file",
			"dir/nested_dir/nest_nest_file": "2 times nested",
			"dirt": "dirty",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}

	// Now make sure we use a cache the 2nd time
	id2, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}

	if id1 != id2 {
		c.Fatal("didn't use the cache")
	}

}

func (s *DockerSuite) TestBuildCopyWildcardInName(c *check.C) {
	name := "testcopywildcardinname"
	ctx, err := fakeContext(`FROM busybox
	COPY *.txt /tmp/
	RUN [ "$(cat /tmp/\*.txt)" = 'hi there' ]
	`, map[string]string{"*.txt": "hi there"})

	if err != nil {
		// Normally we would do c.Fatal(err) here but given that
		// the odds of this failing are so rare, it must be because
		// the OS we're running the client on doesn't support * in
		// filenames (like windows).  So, instead of failing the test
		// just let it pass. Then we don't need to explicitly
		// say which OSs this works on or not.
		return
	}
	defer ctx.Close()

	_, err = buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatalf("should have built: %q", err)
	}
}

func (s *DockerSuite) TestBuildCopyWildcardCache(c *check.C) {
	name := "testcopywildcardcache"
	ctx, err := fakeContext(`FROM busybox
	COPY file1.txt /tmp/`,
		map[string]string{
			"file1.txt": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}

	// Now make sure we use a cache the 2nd time even with wild cards.
	// Use the same context so the file is the same and the checksum will match
	ctx.Add("Dockerfile", `FROM busybox
	COPY file*.txt /tmp/`)

	id2, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}

	if id1 != id2 {
		c.Fatal("didn't use the cache")
	}

}

func (s *DockerSuite) TestBuildAddSingleFileToNonExistingDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddsinglefiletononexistingdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio /exists
ADD test_file /test_dir/
RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

}

func (s *DockerSuite) TestBuildAddDirContentToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testadddircontenttoroot"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio exists
ADD test_dir /
RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildAddDirContentToExistingDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testadddircontenttoexistingdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir /exists
RUN touch /exists/exists_file
RUN chown -R dockerio.dockerio /exists
ADD test_dir/ /exists/
RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]`,
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildAddWholeDirToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddwholedirtoroot"
	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio exists
ADD test_dir /test_dir
RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l / | grep test_dir | awk '{print $1}') = 'drwxr-xr-x' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $1}') = '%s' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, expectedFileChmod),
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// Testing #5941
func (s *DockerSuite) TestBuildAddEtcToRoot(c *check.C) {
	name := "testaddetctoroot"

	ctx, err := fakeContext(`FROM `+minimalBaseImage()+`
ADD . /`,
		map[string]string{
			"etc/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// Testing #9401
func (s *DockerSuite) TestBuildAddPreservesFilesSpecialBits(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testaddpreservesfilesspecialbits"
	ctx, err := fakeContext(`FROM busybox
ADD suidbin /usr/bin/suidbin
RUN chmod 4755 /usr/bin/suidbin
RUN [ $(ls -l /usr/bin/suidbin | awk '{print $1}') = '-rwsr-xr-x' ]
ADD ./data/ /
RUN [ $(ls -l /usr/bin/suidbin | awk '{print $1}') = '-rwsr-xr-x' ]`,
		map[string]string{
			"suidbin":             "suidbin",
			"/data/usr/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopySingleFileToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopysinglefiletoroot"
	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio /exists
COPY test_file /
RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_file | awk '{print $1}') = '%s' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, expectedFileChmod),
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

// Issue #3960: "ADD src ." hangs - adapted for COPY
func (s *DockerSuite) TestBuildCopySingleFileToWorkdir(c *check.C) {
	name := "testcopysinglefiletoworkdir"
	ctx, err := fakeContext(`FROM busybox
COPY test_file .`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	errChan := make(chan error)
	go func() {
		_, err := buildImageFromContext(name, ctx, true)
		errChan <- err
		close(errChan)
	}()
	select {
	case <-time.After(15 * time.Second):
		c.Fatal("Build with adding to workdir timed out")
	case err := <-errChan:
		c.Assert(err, check.IsNil)
	}
}

func (s *DockerSuite) TestBuildCopySingleFileToExistDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopysinglefiletoexistdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir /exists
RUN touch /exists/exists_file
RUN chown -R dockerio.dockerio /exists
COPY test_file /exists/
RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopySingleFileToNonExistDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopysinglefiletononexistdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio /exists
COPY test_file /test_dir/
RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyDirContentToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopydircontenttoroot"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio exists
COPY test_dir /
RUN [ $(ls -l /test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`,
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyDirContentToExistDir(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopydircontenttoexistdir"
	ctx, err := fakeContext(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir /exists
RUN touch /exists/exists_file
RUN chown -R dockerio.dockerio /exists
COPY test_dir/ /exists/
RUN [ $(ls -l / | grep exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/exists_file | awk '{print $3":"$4}') = 'dockerio:dockerio' ]
RUN [ $(ls -l /exists/test_file | awk '{print $3":"$4}') = 'root:root' ]`,
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyWholeDirToRoot(c *check.C) {
	testRequires(c, DaemonIsLinux) // Linux specific test
	name := "testcopywholedirtoroot"
	ctx, err := fakeContext(fmt.Sprintf(`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN touch /exists
RUN chown dockerio.dockerio exists
COPY test_dir /test_dir
RUN [ $(ls -l / | grep test_dir | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l / | grep test_dir | awk '{print $1}') = 'drwxr-xr-x' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $3":"$4}') = 'root:root' ]
RUN [ $(ls -l /test_dir/test_file | awk '{print $1}') = '%s' ]
RUN [ $(ls -l /exists | awk '{print $3":"$4}') = 'dockerio:dockerio' ]`, expectedFileChmod),
		map[string]string{
			"test_dir/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCopyEtcToRoot(c *check.C) {
	name := "testcopyetctoroot"

	ctx, err := fakeContext(`FROM `+minimalBaseImage()+`
COPY . /`,
		map[string]string{
			"etc/test_file": "test1",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildAddBadLinks(c *check.C) {
	testRequires(c, DaemonIsLinux) // Not currently working on Windows

	dockerfile := `
		FROM scratch
		ADD links.tar /
		ADD foo.txt /symlink/
		`
	targetFile := "foo.txt"
	var (
		name = "test-link-absolute"
	)
	ctx, err := fakeContext(dockerfile, nil)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	tempDir, err := ioutil.TempDir("", "test-link-absolute-temp-")
	if err != nil {
		c.Fatalf("failed to create temporary directory: %s", tempDir)
	}
	defer os.RemoveAll(tempDir)

	var symlinkTarget string
	if runtime.GOOS == "windows" {
		var driveLetter string
		if abs, err := filepath.Abs(tempDir); err != nil {
			c.Fatal(err)
		} else {
			driveLetter = abs[:1]
		}
		tempDirWithoutDrive := tempDir[2:]
		symlinkTarget = fmt.Sprintf(`%s:\..\..\..\..\..\..\..\..\..\..\..\..%s`, driveLetter, tempDirWithoutDrive)
	} else {
		symlinkTarget = fmt.Sprintf("/../../../../../../../../../../../..%s", tempDir)
	}

	tarPath := filepath.Join(ctx.Dir, "links.tar")
	nonExistingFile := filepath.Join(tempDir, targetFile)
	fooPath := filepath.Join(ctx.Dir, targetFile)

	tarOut, err := os.Create(tarPath)
	if err != nil {
		c.Fatal(err)
	}

	tarWriter := tar.NewWriter(tarOut)

	header := &tar.Header{
		Name:     "symlink",
		Typeflag: tar.TypeSymlink,
		Linkname: symlinkTarget,
		Mode:     0755,
		Uid:      0,
		Gid:      0,
	}

	err = tarWriter.WriteHeader(header)
	if err != nil {
		c.Fatal(err)
	}

	tarWriter.Close()
	tarOut.Close()

	foo, err := os.Create(fooPath)
	if err != nil {
		c.Fatal(err)
	}
	defer foo.Close()

	if _, err := foo.WriteString("test"); err != nil {
		c.Fatal(err)
	}

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

	if _, err := os.Stat(nonExistingFile); err == nil || err != nil && !os.IsNotExist(err) {
		c.Fatalf("%s shouldn't have been written and it shouldn't exist", nonExistingFile)
	}

}

func (s *DockerSuite) TestBuildAddBadLinksVolume(c *check.C) {
	testRequires(c, DaemonIsLinux) // ln not implemented on Windows busybox
	const (
		dockerfileTemplate = `
		FROM busybox
		RUN ln -s /../../../../../../../../%s /x
		VOLUME /x
		ADD foo.txt /x/`
		targetFile = "foo.txt"
	)
	var (
		name       = "test-link-absolute-volume"
		dockerfile = ""
	)

	tempDir, err := ioutil.TempDir("", "test-link-absolute-volume-temp-")
	if err != nil {
		c.Fatalf("failed to create temporary directory: %s", tempDir)
	}
	defer os.RemoveAll(tempDir)

	dockerfile = fmt.Sprintf(dockerfileTemplate, tempDir)
	nonExistingFile := filepath.Join(tempDir, targetFile)

	ctx, err := fakeContext(dockerfile, nil)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	fooPath := filepath.Join(ctx.Dir, targetFile)

	foo, err := os.Create(fooPath)
	if err != nil {
		c.Fatal(err)
	}
	defer foo.Close()

	if _, err := foo.WriteString("test"); err != nil {
		c.Fatal(err)
	}

	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

	if _, err := os.Stat(nonExistingFile); err == nil || err != nil && !os.IsNotExist(err) {
		c.Fatalf("%s shouldn't have been written and it shouldn't exist", nonExistingFile)
	}

}

// Issue #5270 - ensure we throw a better error than "unexpected EOF"
// when we can't access files in the context.
func (s *DockerSuite) TestBuildWithInaccessibleFilesInContext(c *check.C) {
	testRequires(c, DaemonIsLinux, UnixCli) // test uses chown/chmod: not available on windows

	{
		name := "testbuildinaccessiblefiles"
		ctx, err := fakeContext("FROM scratch\nADD . /foo/", map[string]string{"fileWithoutReadAccess": "foo"})
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()
		// This is used to ensure we detect inaccessible files early during build in the cli client
		pathToFileWithoutReadAccess := filepath.Join(ctx.Dir, "fileWithoutReadAccess")

		if err = os.Chown(pathToFileWithoutReadAccess, 0, 0); err != nil {
			c.Fatalf("failed to chown file to root: %s", err)
		}
		if err = os.Chmod(pathToFileWithoutReadAccess, 0700); err != nil {
			c.Fatalf("failed to chmod file to 700: %s", err)
		}
		buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name))
		buildCmd.Dir = ctx.Dir
		out, _, err := runCommandWithOutput(buildCmd)
		if err == nil {
			c.Fatalf("build should have failed: %s %s", err, out)
		}

		// check if we've detected the failure before we started building
		if !strings.Contains(out, "no permission to read from ") {
			c.Fatalf("output should've contained the string: no permission to read from but contained: %s", out)
		}

		if !strings.Contains(out, "Error checking context") {
			c.Fatalf("output should've contained the string: Error checking context")
		}
	}
	{
		name := "testbuildinaccessibledirectory"
		ctx, err := fakeContext("FROM scratch\nADD . /foo/", map[string]string{"directoryWeCantStat/bar": "foo"})
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()
		// This is used to ensure we detect inaccessible directories early during build in the cli client
		pathToDirectoryWithoutReadAccess := filepath.Join(ctx.Dir, "directoryWeCantStat")
		pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar")

		if err = os.Chown(pathToDirectoryWithoutReadAccess, 0, 0); err != nil {
			c.Fatalf("failed to chown directory to root: %s", err)
		}
		if err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444); err != nil {
			c.Fatalf("failed to chmod directory to 444: %s", err)
		}
		if err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700); err != nil {
			c.Fatalf("failed to chmod file to 700: %s", err)
		}

		buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name))
		buildCmd.Dir = ctx.Dir
		out, _, err := runCommandWithOutput(buildCmd)
		if err == nil {
			c.Fatalf("build should have failed: %s %s", err, out)
		}

		// check if we've detected the failure before we started building
		if !strings.Contains(out, "can't stat") {
			c.Fatalf("output should've contained the string: can't access %s", out)
		}

		if !strings.Contains(out, "Error checking context") {
			c.Fatalf("output should've contained the string: Error checking context\ngot:%s", out)
		}

	}
	{
		name := "testlinksok"
		ctx, err := fakeContext("FROM scratch\nADD . /foo/", nil)
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()

		target := "../../../../../../../../../../../../../../../../../../../azA"
		if err := os.Symlink(filepath.Join(ctx.Dir, "g"), target); err != nil {
			c.Fatal(err)
		}
		defer os.Remove(target)
		// This is used to ensure we don't follow links when checking if everything in the context is accessible
		// This test doesn't require that we run commands as an unprivileged user
		if _, err := buildImageFromContext(name, ctx, true); err != nil {
			c.Fatal(err)
		}
	}
	{
		name := "testbuildignoredinaccessible"
		ctx, err := fakeContext("FROM scratch\nADD . /foo/",
			map[string]string{
				"directoryWeCantStat/bar": "foo",
				".dockerignore":           "directoryWeCantStat",
			})
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()
		// This is used to ensure we don't try to add inaccessible files when they are ignored by a .dockerignore pattern
		pathToDirectoryWithoutReadAccess := filepath.Join(ctx.Dir, "directoryWeCantStat")
		pathToFileInDirectoryWithoutReadAccess := filepath.Join(pathToDirectoryWithoutReadAccess, "bar")
		if err = os.Chown(pathToDirectoryWithoutReadAccess, 0, 0); err != nil {
			c.Fatalf("failed to chown directory to root: %s", err)
		}
		if err = os.Chmod(pathToDirectoryWithoutReadAccess, 0444); err != nil {
			c.Fatalf("failed to chmod directory to 755: %s", err)
		}
		if err = os.Chmod(pathToFileInDirectoryWithoutReadAccess, 0700); err != nil {
			c.Fatalf("failed to chmod file to 444: %s", err)
		}

		buildCmd := exec.Command("su", "unprivilegeduser", "-c", fmt.Sprintf("%s build -t %s .", dockerBinary, name))
		buildCmd.Dir = ctx.Dir
		if out, _, err := runCommandWithOutput(buildCmd); err != nil {
			c.Fatalf("build should have worked: %s %s", err, out)
		}

	}
}

func (s *DockerSuite) TestBuildForceRm(c *check.C) {
	containerCountBefore, err := getContainerCount()
	if err != nil {
		c.Fatalf("failed to get the container count: %s", err)
	}
	name := "testbuildforcerm"

	ctx, err := fakeContext(`FROM `+minimalBaseImage()+`
	RUN true
	RUN thiswillfail`, nil)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	dockerCmdInDir(c, ctx.Dir, "build", "-t", name, "--force-rm", ".")

	containerCountAfter, err := getContainerCount()
	if err != nil {
		c.Fatalf("failed to get the container count: %s", err)
	}

	if containerCountBefore != containerCountAfter {
		c.Fatalf("--force-rm shouldn't have left containers behind")
	}

}

func (s *DockerSuite) TestBuildRm(c *check.C) {
	name := "testbuildrm"

	ctx, err := fakeContext(`FROM `+minimalBaseImage()+`
	ADD foo /
	ADD foo /`, map[string]string{"foo": "bar"})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	{
		containerCountBefore, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		out, _, err := dockerCmdInDir(c, ctx.Dir, "build", "--rm", "-t", name, ".")

		if err != nil {
			c.Fatal("failed to build the image", out)
		}

		containerCountAfter, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		if containerCountBefore != containerCountAfter {
			c.Fatalf("-rm shouldn't have left containers behind")
		}
		deleteImages(name)
	}

	{
		containerCountBefore, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		out, _, err := dockerCmdInDir(c, ctx.Dir, "build", "-t", name, ".")

		if err != nil {
			c.Fatal("failed to build the image", out)
		}

		containerCountAfter, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		if containerCountBefore != containerCountAfter {
			c.Fatalf("--rm shouldn't have left containers behind")
		}
		deleteImages(name)
	}

	{
		containerCountBefore, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		out, _, err := dockerCmdInDir(c, ctx.Dir, "build", "--rm=false", "-t", name, ".")

		if err != nil {
			c.Fatal("failed to build the image", out)
		}

		containerCountAfter, err := getContainerCount()
		if err != nil {
			c.Fatalf("failed to get the container count: %s", err)
		}

		if containerCountBefore == containerCountAfter {
			c.Fatalf("--rm=false should have left containers behind")
		}
		deleteImages(name)

	}

}

func (s *DockerSuite) TestBuildWithVolumes(c *check.C) {
	testRequires(c, DaemonIsLinux) // Invalid volume paths on Windows
	var (
		result   map[string]map[string]struct{}
		name     = "testbuildvolumes"
		emptyMap = make(map[string]struct{})
		expected = map[string]map[string]struct{}{
			"/test1":  emptyMap,
			"/test2":  emptyMap,
			"/test3":  emptyMap,
			"/test4":  emptyMap,
			"/test5":  emptyMap,
			"/test6":  emptyMap,
			"[/test7": emptyMap,
			"/test8]": emptyMap,
		}
	)
	_, err := buildImage(name,
		`FROM scratch
		VOLUME /test1
		VOLUME /test2
    VOLUME /test3 /test4
    VOLUME ["/test5", "/test6"]
    VOLUME [/test7 /test8]
    `,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectFieldJSON(c, name, "Config.Volumes")

	err = unmarshalJSON([]byte(res), &result)
	if err != nil {
		c.Fatal(err)
	}

	equal := reflect.DeepEqual(&result, &expected)

	if !equal {
		c.Fatalf("Volumes %s, expected %s", result, expected)
	}

}

func (s *DockerSuite) TestBuildMaintainer(c *check.C) {
	name := "testbuildmaintainer"

	expected := "dockerio"
	_, err := buildImage(name,
		`FROM `+minimalBaseImage()+`
        MAINTAINER dockerio`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Author")
	if res != expected {
		c.Fatalf("Maintainer %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildUser(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuilduser"
	expected := "dockerio"
	_, err := buildImage(name,
		`FROM busybox
		RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
		USER dockerio
		RUN [ $(whoami) = 'dockerio' ]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.User")
	if res != expected {
		c.Fatalf("User %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildRelativeWorkdir(c *check.C) {
	name := "testbuildrelativeworkdir"

	var (
		expected1     string
		expected2     string
		expected3     string
		expected4     string
		expectedFinal string
	)

	if daemonPlatform == "windows" {
		expected1 = `C:/`
		expected2 = `C:/test1`
		expected3 = `C:/test2`
		expected4 = `C:/test2/test3`
		expectedFinal = `C:\test2\test3` // Note inspect is going to return Windows paths, as it's not in busybox
	} else {
		expected1 = `/`
		expected2 = `/test1`
		expected3 = `/test2`
		expected4 = `/test2/test3`
		expectedFinal = `/test2/test3`
	}

	_, err := buildImage(name,
		`FROM busybox
		RUN sh -c "[ "$PWD" = "`+expected1+`" ]"
		WORKDIR test1
		RUN sh -c "[ "$PWD" = "`+expected2+`" ]"
		WORKDIR /test2
		RUN sh -c "[ "$PWD" = "`+expected3+`" ]"
		WORKDIR test3
		RUN sh -c "[ "$PWD" = "`+expected4+`" ]"`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.WorkingDir")
	if res != expectedFinal {
		c.Fatalf("Workdir %s, expected %s", res, expectedFinal)
	}
}

// #22181 Regression test. Single end-to-end test of using
// Windows semantics. Most path handling verifications are in unit tests
func (s *DockerSuite) TestBuildWindowsWorkdirProcessing(c *check.C) {
	testRequires(c, DaemonIsWindows)
	name := "testbuildwindowsworkdirprocessing"
	_, err := buildImage(name,
		`FROM busybox
		WORKDIR C:\\foo
		WORKDIR bar
		RUN sh -c "[ "$PWD" = "C:/foo/bar" ]"
		`,
		true)
	if err != nil {
		c.Fatal(err)
	}
}

// #22181 Regression test. Most paths handling verifications are in unit test.
// One functional test for end-to-end
func (s *DockerSuite) TestBuildWindowsAddCopyPathProcessing(c *check.C) {
	testRequires(c, DaemonIsWindows)
	name := "testbuildwindowsaddcopypathprocessing"
	// TODO Windows (@jhowardmsft). Needs a follow-up PR to 22181 to
	// support backslash such as .\\ being equivalent to ./ and c:\\ being
	// equivalent to c:/. This is not currently (nor ever has been) supported
	// by docker on the Windows platform.
	dockerfile := `
		FROM busybox
			# No trailing slash on COPY/ADD
			# Results in dir being changed to a file
			WORKDIR /wc1
			COPY wc1 c:/wc1
			WORKDIR /wc2
			ADD wc2 c:/wc2
			WORKDIR c:/
			RUN sh -c "[ $(cat c:/wc1) = 'hellowc1' ]"
			RUN sh -c "[ $(cat c:/wc2) = 'worldwc2' ]"			

			# Trailing slash on COPY/ADD, Windows-style path. 
			WORKDIR /wd1
			COPY wd1 c:/wd1/
			WORKDIR /wd2
			ADD wd2 c:/wd2/
			RUN sh -c "[ $(cat c:/wd1/wd1) = 'hellowd1' ]"
			RUN sh -c "[ $(cat c:/wd2/wd2) = 'worldwd2' ]"
			`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"wc1": "hellowc1",
		"wc2": "worldwc2",
		"wd1": "hellowd1",
		"wd2": "worldwd2",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	_, err = buildImageFromContext(name, ctx, false)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildWorkdirWithEnvVariables(c *check.C) {
	name := "testbuildworkdirwithenvvariables"

	var expected string
	if daemonPlatform == "windows" {
		expected = `C:\test1\test2`
	} else {
		expected = `/test1/test2`
	}

	_, err := buildImage(name,
		`FROM busybox
		ENV DIRPATH /test1
		ENV SUBDIRNAME test2
		WORKDIR $DIRPATH
		WORKDIR $SUBDIRNAME/$MISSING_VAR`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.WorkingDir")
	if res != expected {
		c.Fatalf("Workdir %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildRelativeCopy(c *check.C) {
	// cat /test1/test2/foo gets permission denied for the user
	testRequires(c, NotUserNamespace)

	var expected string
	if daemonPlatform == "windows" {
		expected = `C:/test1/test2`
	} else {
		expected = `/test1/test2`
	}

	name := "testbuildrelativecopy"
	dockerfile := `
		FROM busybox
			WORKDIR /test1
			WORKDIR test2
			RUN sh -c "[ "$PWD" = '` + expected + `' ]"
			COPY foo ./
			RUN sh -c "[ $(cat /test1/test2/foo) = 'hello' ]"
			ADD foo ./bar/baz
			RUN sh -c "[ $(cat /test1/test2/bar/baz) = 'hello' ]"
			COPY foo ./bar/baz2
			RUN sh -c "[ $(cat /test1/test2/bar/baz2) = 'hello' ]"
			WORKDIR ..
			COPY foo ./
			RUN sh -c "[ $(cat /test1/foo) = 'hello' ]"
			COPY foo /test3/
			RUN sh -c "[ $(cat /test3/foo) = 'hello' ]"
			WORKDIR /test4
			COPY . .
			RUN sh -c "[ $(cat /test4/foo) = 'hello' ]"
			WORKDIR /test5/test6
			COPY foo ../
			RUN sh -c "[ $(cat /test5/foo) = 'hello' ]"
			`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	_, err = buildImageFromContext(name, ctx, false)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildEnv(c *check.C) {
	testRequires(c, DaemonIsLinux) // ENV expansion is different in Windows
	name := "testbuildenv"
	expected := "[PATH=/test:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin PORT=2375]"
	_, err := buildImage(name,
		`FROM busybox
		ENV PATH /test:$PATH
        ENV PORT 2375
		RUN [ $(env | grep PORT) = 'PORT=2375' ]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Env")
	if res != expected {
		c.Fatalf("Env %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildPATH(c *check.C) {
	testRequires(c, DaemonIsLinux) // ENV expansion is different in Windows

	defPath := "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

	fn := func(dockerfile string, exp string) {
		_, err := buildImage("testbldpath", dockerfile, true)
		c.Assert(err, check.IsNil)

		res := inspectField(c, "testbldpath", "Config.Env")

		if res != exp {
			c.Fatalf("Env %q, expected %q for dockerfile:%q", res, exp, dockerfile)
		}
	}

	tests := []struct{ dockerfile, exp string }{
		{"FROM scratch\nMAINTAINER me", "[PATH=" + defPath + "]"},
		{"FROM busybox\nMAINTAINER me", "[PATH=" + defPath + "]"},
		{"FROM scratch\nENV FOO=bar", "[PATH=" + defPath + " FOO=bar]"},
		{"FROM busybox\nENV FOO=bar", "[PATH=" + defPath + " FOO=bar]"},
		{"FROM scratch\nENV PATH=/test", "[PATH=/test]"},
		{"FROM busybox\nENV PATH=/test", "[PATH=/test]"},
		{"FROM scratch\nENV PATH=''", "[PATH=]"},
		{"FROM busybox\nENV PATH=''", "[PATH=]"},
	}

	for _, test := range tests {
		fn(test.dockerfile, test.exp)
	}
}

func (s *DockerSuite) TestBuildContextCleanup(c *check.C) {
	testRequires(c, DaemonIsLinux)
	testRequires(c, SameHostDaemon)

	name := "testbuildcontextcleanup"
	entries, err := ioutil.ReadDir(filepath.Join(dockerBasePath, "tmp"))
	if err != nil {
		c.Fatalf("failed to list contents of tmp dir: %s", err)
	}
	_, err = buildImage(name,
		`FROM scratch
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	entriesFinal, err := ioutil.ReadDir(filepath.Join(dockerBasePath, "tmp"))
	if err != nil {
		c.Fatalf("failed to list contents of tmp dir: %s", err)
	}
	if err = compareDirectoryEntries(entries, entriesFinal); err != nil {
		c.Fatalf("context should have been deleted, but wasn't")
	}

}

func (s *DockerSuite) TestBuildContextCleanupFailedBuild(c *check.C) {
	testRequires(c, DaemonIsLinux)
	testRequires(c, SameHostDaemon)

	name := "testbuildcontextcleanup"
	entries, err := ioutil.ReadDir(filepath.Join(dockerBasePath, "tmp"))
	if err != nil {
		c.Fatalf("failed to list contents of tmp dir: %s", err)
	}
	_, err = buildImage(name,
		`FROM scratch
	RUN /non/existing/command`,
		true)
	if err == nil {
		c.Fatalf("expected build to fail, but it didn't")
	}
	entriesFinal, err := ioutil.ReadDir(filepath.Join(dockerBasePath, "tmp"))
	if err != nil {
		c.Fatalf("failed to list contents of tmp dir: %s", err)
	}
	if err = compareDirectoryEntries(entries, entriesFinal); err != nil {
		c.Fatalf("context should have been deleted, but wasn't")
	}

}

func (s *DockerSuite) TestBuildCmd(c *check.C) {
	name := "testbuildcmd"

	expected := "[/bin/echo Hello World]"
	_, err := buildImage(name,
		`FROM `+minimalBaseImage()+`
        CMD ["/bin/echo", "Hello World"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Cmd")
	if res != expected {
		c.Fatalf("Cmd %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildExpose(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	name := "testbuildexpose"
	expected := "map[2375/tcp:{}]"
	_, err := buildImage(name,
		`FROM scratch
        EXPOSE 2375`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.ExposedPorts")
	if res != expected {
		c.Fatalf("Exposed ports %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildExposeMorePorts(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	// start building docker file with a large number of ports
	portList := make([]string, 50)
	line := make([]string, 100)
	expectedPorts := make([]int, len(portList)*len(line))
	for i := 0; i < len(portList); i++ {
		for j := 0; j < len(line); j++ {
			p := i*len(line) + j + 1
			line[j] = strconv.Itoa(p)
			expectedPorts[p-1] = p
		}
		if i == len(portList)-1 {
			portList[i] = strings.Join(line, " ")
		} else {
			portList[i] = strings.Join(line, " ") + ` \`
		}
	}

	dockerfile := `FROM scratch
	EXPOSE {{range .}} {{.}}
	{{end}}`
	tmpl := template.Must(template.New("dockerfile").Parse(dockerfile))
	buf := bytes.NewBuffer(nil)
	tmpl.Execute(buf, portList)

	name := "testbuildexpose"
	_, err := buildImage(name, buf.String(), true)
	if err != nil {
		c.Fatal(err)
	}

	// check if all the ports are saved inside Config.ExposedPorts
	res := inspectFieldJSON(c, name, "Config.ExposedPorts")
	var exposedPorts map[string]interface{}
	if err := json.Unmarshal([]byte(res), &exposedPorts); err != nil {
		c.Fatal(err)
	}

	for _, p := range expectedPorts {
		ep := fmt.Sprintf("%d/tcp", p)
		if _, ok := exposedPorts[ep]; !ok {
			c.Errorf("Port(%s) is not exposed", ep)
		} else {
			delete(exposedPorts, ep)
		}
	}
	if len(exposedPorts) != 0 {
		c.Errorf("Unexpected extra exposed ports %v", exposedPorts)
	}
}

func (s *DockerSuite) TestBuildExposeOrder(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	buildID := func(name, exposed string) string {
		_, err := buildImage(name, fmt.Sprintf(`FROM scratch
		EXPOSE %s`, exposed), true)
		if err != nil {
			c.Fatal(err)
		}
		id := inspectField(c, name, "Id")
		return id
	}

	id1 := buildID("testbuildexpose1", "80 2375")
	id2 := buildID("testbuildexpose2", "2375 80")
	if id1 != id2 {
		c.Errorf("EXPOSE should invalidate the cache only when ports actually changed")
	}
}

func (s *DockerSuite) TestBuildExposeUpperCaseProto(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	name := "testbuildexposeuppercaseproto"
	expected := "map[5678/udp:{}]"
	_, err := buildImage(name,
		`FROM scratch
        EXPOSE 5678/UDP`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.ExposedPorts")
	if res != expected {
		c.Fatalf("Exposed ports %s, expected %s", res, expected)
	}
}

func (s *DockerSuite) TestBuildEmptyEntrypointInheritance(c *check.C) {
	name := "testbuildentrypointinheritance"
	name2 := "testbuildentrypointinheritance2"

	_, err := buildImage(name,
		`FROM busybox
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Entrypoint")

	expected := "[/bin/echo]"
	if res != expected {
		c.Fatalf("Entrypoint %s, expected %s", res, expected)
	}

	_, err = buildImage(name2,
		fmt.Sprintf(`FROM %s
        ENTRYPOINT []`, name),
		true)
	if err != nil {
		c.Fatal(err)
	}
	res = inspectField(c, name2, "Config.Entrypoint")

	expected = "[]"

	if res != expected {
		c.Fatalf("Entrypoint %s, expected %s", res, expected)
	}

}

func (s *DockerSuite) TestBuildEmptyEntrypoint(c *check.C) {
	name := "testbuildentrypoint"
	expected := "[]"

	_, err := buildImage(name,
		`FROM busybox
        ENTRYPOINT []`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Entrypoint")
	if res != expected {
		c.Fatalf("Entrypoint %s, expected %s", res, expected)
	}

}

func (s *DockerSuite) TestBuildEntrypoint(c *check.C) {
	name := "testbuildentrypoint"

	expected := "[/bin/echo]"
	_, err := buildImage(name,
		`FROM `+minimalBaseImage()+`
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Entrypoint")
	if res != expected {
		c.Fatalf("Entrypoint %s, expected %s", res, expected)
	}

}

// #6445 ensure ONBUILD triggers aren't committed to grandchildren
func (s *DockerSuite) TestBuildOnBuildLimitedInheritence(c *check.C) {
	var (
		out2, out3 string
	)
	{
		name1 := "testonbuildtrigger1"
		dockerfile1 := `
		FROM busybox
		RUN echo "GRANDPARENT"
		ONBUILD RUN echo "ONBUILD PARENT"
		`
		ctx, err := fakeContext(dockerfile1, nil)
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()

		out1, _, err := dockerCmdInDir(c, ctx.Dir, "build", "-t", name1, ".")
		if err != nil {
			c.Fatalf("build failed to complete: %s, %v", out1, err)
		}
	}
	{
		name2 := "testonbuildtrigger2"
		dockerfile2 := `
		FROM testonbuildtrigger1
		`
		ctx, err := fakeContext(dockerfile2, nil)
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()

		out2, _, err = dockerCmdInDir(c, ctx.Dir, "build", "-t", name2, ".")
		if err != nil {
			c.Fatalf("build failed to complete: %s, %v", out2, err)
		}
	}
	{
		name3 := "testonbuildtrigger3"
		dockerfile3 := `
		FROM testonbuildtrigger2
		`
		ctx, err := fakeContext(dockerfile3, nil)
		if err != nil {
			c.Fatal(err)
		}
		defer ctx.Close()

		out3, _, err = dockerCmdInDir(c, ctx.Dir, "build", "-t", name3, ".")
		if err != nil {
			c.Fatalf("build failed to complete: %s, %v", out3, err)
		}

	}

	// ONBUILD should be run in second build.
	if !strings.Contains(out2, "ONBUILD PARENT") {
		c.Fatalf("ONBUILD instruction did not run in child of ONBUILD parent")
	}

	// ONBUILD should *not* be run in third build.
	if strings.Contains(out3, "ONBUILD PARENT") {
		c.Fatalf("ONBUILD instruction ran in grandchild of ONBUILD parent")
	}

}

func (s *DockerSuite) TestBuildWithCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	name := "testbuildwithcache"
	id1, err := buildImage(name,
		`FROM scratch
		MAINTAINER dockerio
		EXPOSE 5432
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImage(name,
		`FROM scratch
		MAINTAINER dockerio
		EXPOSE 5432
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func (s *DockerSuite) TestBuildWithoutCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Expose not implemented on Windows
	name := "testbuildwithoutcache"
	name2 := "testbuildwithoutcache2"
	id1, err := buildImage(name,
		`FROM scratch
		MAINTAINER dockerio
		EXPOSE 5432
        ENTRYPOINT ["/bin/echo"]`,
		true)
	if err != nil {
		c.Fatal(err)
	}

	id2, err := buildImage(name2,
		`FROM scratch
		MAINTAINER dockerio
		EXPOSE 5432
        ENTRYPOINT ["/bin/echo"]`,
		false)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
}

func (s *DockerSuite) TestBuildConditionalCache(c *check.C) {
	name := "testbuildconditionalcache"

	dockerfile := `
		FROM busybox
        ADD foo /tmp/`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatalf("Error building #1: %s", err)
	}

	if err := ctx.Add("foo", "bye"); err != nil {
		c.Fatalf("Error modifying foo: %s", err)
	}

	id2, err := buildImageFromContext(name, ctx, false)
	if err != nil {
		c.Fatalf("Error building #2: %s", err)
	}
	if id2 == id1 {
		c.Fatal("Should not have used the cache")
	}

	id3, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatalf("Error building #3: %s", err)
	}
	if id3 != id2 {
		c.Fatal("Should have used the cache")
	}
}

func (s *DockerSuite) TestBuildAddLocalFileWithCache(c *check.C) {
	// local files are not owned by the correct user
	testRequires(c, NotUserNamespace)
	name := "testbuildaddlocalfilewithcache"
	name2 := "testbuildaddlocalfilewithcache2"
	dockerfile := `
		FROM busybox
        MAINTAINER dockerio
        ADD foo /usr/lib/bla/bar
		RUN sh -c "[ $(cat /usr/lib/bla/bar) = "hello" ]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddMultipleLocalFileWithCache(c *check.C) {
	name := "testbuildaddmultiplelocalfilewithcache"
	name2 := "testbuildaddmultiplelocalfilewithcache2"
	dockerfile := `
		FROM busybox
        MAINTAINER dockerio
        ADD foo Dockerfile /usr/lib/bla/
		RUN sh -c "[ $(cat /usr/lib/bla/foo) = "hello" ]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddLocalFileWithoutCache(c *check.C) {
	// local files are not owned by the correct user
	testRequires(c, NotUserNamespace)
	name := "testbuildaddlocalfilewithoutcache"
	name2 := "testbuildaddlocalfilewithoutcache2"
	dockerfile := `
		FROM busybox
        MAINTAINER dockerio
        ADD foo /usr/lib/bla/bar
		RUN sh -c "[ $(cat /usr/lib/bla/bar) = "hello" ]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, false)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
}

func (s *DockerSuite) TestBuildCopyDirButNotFile(c *check.C) {
	name := "testbuildcopydirbutnotfile"
	name2 := "testbuildcopydirbutnotfile2"

	dockerfile := `
        FROM ` + minimalBaseImage() + `
        COPY dir /tmp/`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"dir/foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	// Check that adding file with similar name doesn't mess with cache
	if err := ctx.Add("dir_file", "hello2"); err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but wasn't")
	}
}

func (s *DockerSuite) TestBuildAddCurrentDirWithCache(c *check.C) {
	name := "testbuildaddcurrentdirwithcache"
	name2 := name + "2"
	name3 := name + "3"
	name4 := name + "4"
	dockerfile := `
        FROM ` + minimalBaseImage() + `
        MAINTAINER dockerio
        ADD . /usr/lib/bla`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	// Check that adding file invalidate cache of "ADD ."
	if err := ctx.Add("bar", "hello2"); err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
	// Check that changing file invalidate cache of "ADD ."
	if err := ctx.Add("foo", "hello1"); err != nil {
		c.Fatal(err)
	}
	id3, err := buildImageFromContext(name3, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id2 == id3 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
	// Check that changing file to same content with different mtime does not
	// invalidate cache of "ADD ."
	time.Sleep(1 * time.Second) // wait second because of mtime precision
	if err := ctx.Add("foo", "hello1"); err != nil {
		c.Fatal(err)
	}
	id4, err := buildImageFromContext(name4, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id3 != id4 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddCurrentDirWithoutCache(c *check.C) {
	name := "testbuildaddcurrentdirwithoutcache"
	name2 := "testbuildaddcurrentdirwithoutcache2"
	dockerfile := `
        FROM ` + minimalBaseImage() + `
        MAINTAINER dockerio
        ADD . /usr/lib/bla`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, false)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddRemoteFileWithCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildaddremotefilewithcache"
	server, err := fakeStorage(map[string]string{
		"baz": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	id1, err := buildImage(name,
		fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImage(name,
		fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddRemoteFileWithoutCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildaddremotefilewithoutcache"
	name2 := "testbuildaddremotefilewithoutcache2"
	server, err := fakeStorage(map[string]string{
		"baz": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	id1, err := buildImage(name,
		fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImage(name2,
		fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		false)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
}

func (s *DockerSuite) TestBuildAddRemoteFileMTime(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildaddremotefilemtime"
	name2 := name + "2"
	name3 := name + "3"

	files := map[string]string{"baz": "hello"}
	server, err := fakeStorage(files)
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	ctx, err := fakeContext(fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server.URL()), nil)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}

	id2, err := buildImageFromContext(name2, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but wasn't - #1")
	}

	// Now create a different server with same contents (causes different mtime)
	// The cache should still be used

	// allow some time for clock to pass as mtime precision is only 1s
	time.Sleep(2 * time.Second)

	server2, err := fakeStorage(files)
	if err != nil {
		c.Fatal(err)
	}
	defer server2.Close()

	ctx2, err := fakeContext(fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD %s/baz /usr/lib/baz/quux`, server2.URL()), nil)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx2.Close()
	id3, err := buildImageFromContext(name3, ctx2, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id3 {
		c.Fatal("The cache should have been used but wasn't")
	}
}

func (s *DockerSuite) TestBuildAddLocalAndRemoteFilesWithCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildaddlocalandremotefilewithcache"
	server, err := fakeStorage(map[string]string{
		"baz": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	ctx, err := fakeContext(fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD foo /usr/lib/bla/bar
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		map[string]string{
			"foo": "hello world",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	if id1 != id2 {
		c.Fatal("The cache should have been used but hasn't.")
	}
}

func testContextTar(c *check.C, compression archive.Compression) {
	ctx, err := fakeContext(
		`FROM busybox
ADD foo /foo
CMD ["cat", "/foo"]`,
		map[string]string{
			"foo": "bar",
		},
	)
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	context, err := archive.Tar(ctx.Dir, compression)
	if err != nil {
		c.Fatalf("failed to build context tar: %v", err)
	}
	name := "contexttar"
	buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
	buildCmd.Stdin = context

	if out, _, err := runCommandWithOutput(buildCmd); err != nil {
		c.Fatalf("build failed to complete: %v %v", out, err)
	}
}

func (s *DockerSuite) TestBuildContextTarGzip(c *check.C) {
	testContextTar(c, archive.Gzip)
}

func (s *DockerSuite) TestBuildContextTarNoCompression(c *check.C) {
	testContextTar(c, archive.Uncompressed)
}

func (s *DockerSuite) TestBuildNoContext(c *check.C) {
	buildCmd := exec.Command(dockerBinary, "build", "-t", "nocontext", "-")
	buildCmd.Stdin = strings.NewReader(
		`FROM busybox
		CMD ["echo", "ok"]`)

	if out, _, err := runCommandWithOutput(buildCmd); err != nil {
		c.Fatalf("build failed to complete: %v %v", out, err)
	}

	if out, _ := dockerCmd(c, "run", "--rm", "nocontext"); out != "ok\n" {
		c.Fatalf("run produced invalid output: %q, expected %q", out, "ok")
	}
}

// TODO: TestCaching
func (s *DockerSuite) TestBuildAddLocalAndRemoteFilesWithoutCache(c *check.C) {
	testRequires(c, DaemonIsLinux) // Windows doesn't have httpserver image yet
	name := "testbuildaddlocalandremotefilewithoutcache"
	name2 := "testbuildaddlocalandremotefilewithoutcache2"
	server, err := fakeStorage(map[string]string{
		"baz": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer server.Close()

	ctx, err := fakeContext(fmt.Sprintf(`FROM scratch
        MAINTAINER dockerio
        ADD foo /usr/lib/bla/bar
        ADD %s/baz /usr/lib/baz/quux`, server.URL()),
		map[string]string{
			"foo": "hello world",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	id1, err := buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
	id2, err := buildImageFromContext(name2, ctx, false)
	if err != nil {
		c.Fatal(err)
	}
	if id1 == id2 {
		c.Fatal("The cache should have been invalided but hasn't.")
	}
}

func (s *DockerSuite) TestBuildWithVolumeOwnership(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildimg"

	_, err := buildImage(name,
		`FROM busybox:latest
        RUN mkdir /test && chown daemon:daemon /test && chmod 0600 /test
        VOLUME /test`,
		true)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "run", "--rm", "testbuildimg", "ls", "-la", "/test")

	if expected := "drw-------"; !strings.Contains(out, expected) {
		c.Fatalf("expected %s received %s", expected, out)
	}

	if expected := "daemon   daemon"; !strings.Contains(out, expected) {
		c.Fatalf("expected %s received %s", expected, out)
	}

}

// testing #1405 - config.Cmd does not get cleaned up if
// utilizing cache
func (s *DockerSuite) TestBuildEntrypointRunCleanup(c *check.C) {
	name := "testbuildcmdcleanup"
	if _, err := buildImage(name,
		`FROM busybox
        RUN echo "hello"`,
		true); err != nil {
		c.Fatal(err)
	}

	ctx, err := fakeContext(`FROM busybox
        RUN echo "hello"
        ADD foo /foo
        ENTRYPOINT ["/bin/echo"]`,
		map[string]string{
			"foo": "hello",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
	res := inspectField(c, name, "Config.Cmd")
	// Cmd must be cleaned up
	if res != "[]" {
		c.Fatalf("Cmd %s, expected nil", res)
	}
}

func (s *DockerSuite) TestBuildAddFileNotFound(c *check.C) {
	name := "testbuildaddnotfound"
	expected := "foo: no such file or directory"

	if daemonPlatform == "windows" {
		expected = "foo: The system cannot find the file specified"
	}

	ctx, err := fakeContext(`FROM `+minimalBaseImage()+`
        ADD foo /usr/local/bar`,
		map[string]string{"bar": "hello"})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		if !strings.Contains(err.Error(), expected) {
			c.Fatalf("Wrong error %v, must be about missing foo file or directory", err)
		}
	} else {
		c.Fatal("Error must not be nil")
	}
}

func (s *DockerSuite) TestBuildInheritance(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildinheritance"

	_, err := buildImage(name,
		`FROM scratch
		EXPOSE 2375`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	ports1 := inspectField(c, name, "Config.ExposedPorts")

	_, err = buildImage(name,
		fmt.Sprintf(`FROM %s
		ENTRYPOINT ["/bin/echo"]`, name),
		true)
	if err != nil {
		c.Fatal(err)
	}

	res := inspectField(c, name, "Config.Entrypoint")
	if expected := "[/bin/echo]"; res != expected {
		c.Fatalf("Entrypoint %s, expected %s", res, expected)
	}
	ports2 := inspectField(c, name, "Config.ExposedPorts")
	if ports1 != ports2 {
		c.Fatalf("Ports must be same: %s != %s", ports1, ports2)
	}
}

func (s *DockerSuite) TestBuildFails(c *check.C) {
	name := "testbuildfails"
	_, err := buildImage(name,
		`FROM busybox
		RUN sh -c "exit 23"`,
		true)
	if err != nil {
		if !strings.Contains(err.Error(), "returned a non-zero code: 23") {
			c.Fatalf("Wrong error %v, must be about non-zero code 23", err)
		}
	} else {
		c.Fatal("Error must not be nil")
	}
}

func (s *DockerSuite) TestBuildOnBuild(c *check.C) {
	name := "testbuildonbuild"
	_, err := buildImage(name,
		`FROM busybox
		ONBUILD RUN touch foobar`,
		true)
	if err != nil {
		c.Fatal(err)
	}
	_, err = buildImage(name,
		fmt.Sprintf(`FROM %s
		RUN [ -f foobar ]`, name),
		true)
	if err != nil {
		c.Fatal(err)
	}
}

// gh #2446
func (s *DockerSuite) TestBuildAddToSymlinkDest(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildaddtosymlinkdest"
	ctx, err := fakeContext(`FROM busybox
        RUN mkdir /foo
        RUN ln -s /foo /bar
        ADD foo /bar/
        RUN [ -f /bar/foo ]
        RUN [ -f /foo/foo ]`,
		map[string]string{
			"foo": "hello",
		})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildEscapeWhitespace(c *check.C) {
	name := "testbuildescapewhitespace"

	_, err := buildImage(name, `
  # ESCAPE=\
  FROM busybox
  MAINTAINER "Docker \
IO <io@\
docker.com>"
  `, true)
	if err != nil {
		c.Fatal(err)
	}

	res := inspectField(c, name, "Author")

	if res != "\"Docker IO <io@docker.com>\"" {
		c.Fatalf("Parsed string did not match the escaped string. Got: %q", res)
	}

}

func (s *DockerSuite) TestBuildVerifyIntString(c *check.C) {
	// Verify that strings that look like ints are still passed as strings
	name := "testbuildstringing"

	_, err := buildImage(name, `
  FROM busybox
  MAINTAINER 123
  `, true)

	if err != nil {
		c.Fatal(err)
	}

	out, _ := dockerCmd(c, "inspect", name)

	if !strings.Contains(out, "\"123\"") {
		c.Fatalf("Output does not contain the int as a string:\n%s", out)
	}

}

func (s *DockerSuite) TestBuildDockerignore(c *check.C) {
	testRequires(c, DaemonIsLinux) // TODO Windows: This test passes on Windows,
	// but currently adds a disproportionate amount of time for the value it has.
	// Removing it from Windows CI for now, but this will be revisited in the
	// TP5 timeframe when perf is better.
	name := "testbuilddockerignore"
	dockerfile := `
        FROM busybox
        ADD . /bla
		RUN sh -c "[[ -f /bla/src/x.go ]]"
		RUN sh -c "[[ -f /bla/Makefile ]]"
		RUN sh -c "[[ ! -e /bla/src/_vendor ]]"
		RUN sh -c "[[ ! -e /bla/.gitignore ]]"
		RUN sh -c "[[ ! -e /bla/README.md ]]"
		RUN sh -c "[[ ! -e /bla/dir/foo ]]"
		RUN sh -c "[[ ! -e /bla/foo ]]"
		RUN sh -c "[[ ! -e /bla/.git ]]"
		RUN sh -c "[[ ! -e v.cc ]]"
		RUN sh -c "[[ ! -e src/v.cc ]]"
		RUN sh -c "[[ ! -e src/_vendor/v.cc ]]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Makefile":         "all:",
		".git/HEAD":        "ref: foo",
		"src/x.go":         "package main",
		"src/_vendor/v.go": "package main",
		"src/_vendor/v.cc": "package main",
		"src/v.cc":         "package main",
		"v.cc":             "package main",
		"dir/foo":          "",
		".gitignore":       "",
		"README.md":        "readme",
		".dockerignore": `
.git
pkg
.gitignore
src/_vendor
*.md
**/*.cc
dir`,
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildDockerignoreCleanPaths(c *check.C) {
	name := "testbuilddockerignorecleanpaths"
	dockerfile := `
        FROM busybox
        ADD . /tmp/
        RUN sh -c "(! ls /tmp/foo) && (! ls /tmp/foo2) && (! ls /tmp/dir1/foo)"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"foo":           "foo",
		"foo2":          "foo2",
		"dir1/foo":      "foo in dir1",
		".dockerignore": "./foo\ndir1//foo\n./dir1/../foo2",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildDockerignoreExceptions(c *check.C) {
	testRequires(c, DaemonIsLinux) // TODO Windows: This test passes on Windows,
	// but currently adds a disproportionate amount of time for the value it has.
	// Removing it from Windows CI for now, but this will be revisited in the
	// TP5 timeframe when perf is better.
	name := "testbuilddockerignoreexceptions"
	dockerfile := `
        FROM busybox
        ADD . /bla
		RUN sh -c "[[ -f /bla/src/x.go ]]"
		RUN sh -c "[[ -f /bla/Makefile ]]"
		RUN sh -c "[[ ! -e /bla/src/_vendor ]]"
		RUN sh -c "[[ ! -e /bla/.gitignore ]]"
		RUN sh -c "[[ ! -e /bla/README.md ]]"
		RUN sh -c "[[  -e /bla/dir/dir/foo ]]"
		RUN sh -c "[[ ! -e /bla/dir/foo1 ]]"
		RUN sh -c "[[ -f /bla/dir/e ]]"
		RUN sh -c "[[ -f /bla/dir/e-dir/foo ]]"
		RUN sh -c "[[ ! -e /bla/foo ]]"
		RUN sh -c "[[ ! -e /bla/.git ]]"
		RUN sh -c "[[ -e /bla/dir/a.cc ]]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Makefile":         "all:",
		".git/HEAD":        "ref: foo",
		"src/x.go":         "package main",
		"src/_vendor/v.go": "package main",
		"dir/foo":          "",
		"dir/foo1":         "",
		"dir/dir/f1":       "",
		"dir/dir/foo":      "",
		"dir/e":            "",
		"dir/e-dir/foo":    "",
		".gitignore":       "",
		"README.md":        "readme",
		"dir/a.cc":         "hello",
		".dockerignore": `
.git
pkg
.gitignore
src/_vendor
*.md
dir
!dir/e*
!dir/dir/foo
**/*.cc
!**/*.cc`,
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err := buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildDockerignoringDockerfile(c *check.C) {
	name := "testbuilddockerignoredockerfile"
	dockerfile := `
        FROM busybox
		ADD . /tmp/
		RUN sh -c "! ls /tmp/Dockerfile"
		RUN ls /tmp/.dockerignore`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    dockerfile,
		".dockerignore": "Dockerfile\n",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't ignore Dockerfile correctly:%s", err)
	}

	// now try it with ./Dockerfile
	ctx.Add(".dockerignore", "./Dockerfile\n")
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't ignore ./Dockerfile correctly:%s", err)
	}

}

func (s *DockerSuite) TestBuildDockerignoringRenamedDockerfile(c *check.C) {
	name := "testbuilddockerignoredockerfile"
	dockerfile := `
        FROM busybox
		ADD . /tmp/
		RUN ls /tmp/Dockerfile
		RUN sh -c "! ls /tmp/MyDockerfile"
		RUN ls /tmp/.dockerignore`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    "Should not use me",
		"MyDockerfile":  dockerfile,
		".dockerignore": "MyDockerfile\n",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't ignore MyDockerfile correctly:%s", err)
	}

	// now try it with ./MyDockerfile
	ctx.Add(".dockerignore", "./MyDockerfile\n")
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't ignore ./MyDockerfile correctly:%s", err)
	}

}

func (s *DockerSuite) TestBuildDockerignoringDockerignore(c *check.C) {
	name := "testbuilddockerignoredockerignore"
	dockerfile := `
        FROM busybox
		ADD . /tmp/
		RUN sh -c "! ls /tmp/.dockerignore"
		RUN ls /tmp/Dockerfile`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    dockerfile,
		".dockerignore": ".dockerignore\n",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't ignore .dockerignore correctly:%s", err)
	}
}

func (s *DockerSuite) TestBuildDockerignoreTouchDockerfile(c *check.C) {
	var id1 string
	var id2 string

	name := "testbuilddockerignoretouchdockerfile"
	dockerfile := `
        FROM busybox
		ADD . /tmp/`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    dockerfile,
		".dockerignore": "Dockerfile\n",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	if id1, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't build it correctly:%s", err)
	}

	if id2, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't build it correctly:%s", err)
	}
	if id1 != id2 {
		c.Fatalf("Didn't use the cache - 1")
	}

	// Now make sure touching Dockerfile doesn't invalidate the cache
	if err = ctx.Add("Dockerfile", dockerfile+"\n# hi"); err != nil {
		c.Fatalf("Didn't add Dockerfile: %s", err)
	}
	if id2, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't build it correctly:%s", err)
	}
	if id1 != id2 {
		c.Fatalf("Didn't use the cache - 2")
	}

	// One more time but just 'touch' it instead of changing the content
	if err = ctx.Add("Dockerfile", dockerfile+"\n# hi"); err != nil {
		c.Fatalf("Didn't add Dockerfile: %s", err)
	}
	if id2, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatalf("Didn't build it correctly:%s", err)
	}
	if id1 != id2 {
		c.Fatalf("Didn't use the cache - 3")
	}

}

func (s *DockerSuite) TestBuildDockerignoringWholeDir(c *check.C) {
	name := "testbuilddockerignorewholedir"
	dockerfile := `
        FROM busybox
		COPY . /
		RUN sh -c "[[ ! -e /.gitignore ]]"
		RUN sh -c "[[ -f /Makefile ]]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    "FROM scratch",
		"Makefile":      "all:",
		".gitignore":    "",
		".dockerignore": ".*\n",
	})
	c.Assert(err, check.IsNil)
	defer ctx.Close()
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

	c.Assert(ctx.Add(".dockerfile", "*"), check.IsNil)
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

	c.Assert(ctx.Add(".dockerfile", "."), check.IsNil)
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}

	c.Assert(ctx.Add(".dockerfile", "?"), check.IsNil)
	if _, err = buildImageFromContext(name, ctx, true); err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildDockerignoringBadExclusion(c *check.C) {
	name := "testbuilddockerignorebadexclusion"
	dockerfile := `
        FROM busybox
		COPY . /
		RUN sh -c "[[ ! -e /.gitignore ]]"
		RUN sh -c "[[ -f /Makefile ]]"`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":    "FROM scratch",
		"Makefile":      "all:",
		".gitignore":    "",
		".dockerignore": "!\n",
	})
	c.Assert(err, check.IsNil)
	defer ctx.Close()
	if _, err = buildImageFromContext(name, ctx, true); err == nil {
		c.Fatalf("Build was supposed to fail but didn't")
	}

	if err.Error() != "failed to build the image: Error checking context: 'Illegal exclusion pattern: !'.\n" {
		c.Fatalf("Incorrect output, got:%q", err.Error())
	}
}

func (s *DockerSuite) TestBuildDockerignoringWildTopDir(c *check.C) {
	dockerfile := `
        FROM busybox
		COPY . /
		RUN sh -c "[[ ! -e /.dockerignore ]]"
		RUN sh -c "[[ ! -e /Dockerfile ]]"
		RUN sh -c "[[ ! -e /file1 ]]"
		RUN sh -c "[[ ! -e /dir ]]"`

	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile": "FROM scratch",
		"file1":      "",
		"dir/dfile1": "",
	})
	c.Assert(err, check.IsNil)
	defer ctx.Close()

	// All of these should result in ignoring all files
	for _, variant := range []string{"**", "**/", "**/**", "*"} {
		ctx.Add(".dockerignore", variant)
		_, err = buildImageFromContext("noname", ctx, true)
		c.Assert(err, check.IsNil, check.Commentf("variant: %s", variant))
	}
}

func (s *DockerSuite) TestBuildDockerignoringWildDirs(c *check.C) {
	testRequires(c, DaemonIsLinux) // TODO Windows: Fix this test; also perf

	dockerfile := `
        FROM busybox
		COPY . /
		#RUN sh -c "[[ -e /.dockerignore ]]"
		RUN sh -c "[[ -e /Dockerfile ]]           && \
		           [[ ! -e /file0 ]]              && \
		           [[ ! -e /dir1/file0 ]]         && \
		           [[ ! -e /dir2/file0 ]]         && \
		           [[ ! -e /file1 ]]              && \
		           [[ ! -e /dir1/file1 ]]         && \
		           [[ ! -e /dir1/dir2/file1 ]]    && \
		           [[ ! -e /dir1/file2 ]]         && \
		           [[   -e /dir1/dir2/file2 ]]    && \
		           [[ ! -e /dir1/dir2/file4 ]]    && \
		           [[ ! -e /dir1/dir2/file5 ]]    && \
		           [[ ! -e /dir1/dir2/file6 ]]    && \
		           [[ ! -e /dir1/dir3/file7 ]]    && \
		           [[ ! -e /dir1/dir3/file8 ]]    && \
		           [[   -e /dir1/dir3 ]]          && \
		           [[   -e /dir1/dir4 ]]          && \
		           [[ ! -e 'dir1/dir5/fileAA' ]]  && \
		           [[   -e 'dir1/dir5/fileAB' ]]  && \
		           [[   -e 'dir1/dir5/fileB' ]]"   # "." in pattern means nothing

		RUN echo all done!`

	ctx, err := fakeContext(dockerfile, map[string]string{
		"Dockerfile":      "FROM scratch",
		"file0":           "",
		"dir1/file0":      "",
		"dir1/dir2/file0": "",

		"file1":           "",
		"dir1/file1":      "",
		"dir1/dir2/file1": "",

		"dir1/file2":      "",
		"dir1/dir2/file2": "", // remains

		"dir1/dir2/file4": "",
		"dir1/dir2/file5": "",
		"dir1/dir2/file6": "",
		"dir1/dir3/file7": "",
		"dir1/dir3/file8": "",
		"dir1/dir4/file9": "",

		"dir1/dir5/fileAA": "",
		"dir1/dir5/fileAB": "",
		"dir1/dir5/fileB":  "",

		".dockerignore": `
**/file0
**/*file1
**/dir1/file2
dir1/**/file4
**/dir2/file5
**/dir1/dir2/file6
dir1/dir3/**
**/dir4/**
**/file?A
**/file\?B
**/dir5/file.
`,
	})
	c.Assert(err, check.IsNil)
	defer ctx.Close()

	_, err = buildImageFromContext("noname", ctx, true)
	c.Assert(err, check.IsNil)
}

func (s *DockerSuite) TestBuildLineBreak(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildlinebreak"
	_, err := buildImage(name,
		`FROM  busybox
RUN    sh -c 'echo root:testpass \
	> /tmp/passwd'
RUN    mkdir -p /var/run/sshd
RUN    sh -c "[ "$(cat /tmp/passwd)" = "root:testpass" ]"
RUN    sh -c "[ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]"`,
		true)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildEOLInLine(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildeolinline"
	_, err := buildImage(name,
		`FROM   busybox
RUN    sh -c 'echo root:testpass > /tmp/passwd'
RUN    echo "foo \n bar"; echo "baz"
RUN    mkdir -p /var/run/sshd
RUN    sh -c "[ "$(cat /tmp/passwd)" = "root:testpass" ]"
RUN    sh -c "[ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]"`,
		true)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildCommentsShebangs(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildcomments"
	_, err := buildImage(name,
		`FROM busybox
# This is an ordinary comment.
RUN { echo '#!/bin/sh'; echo 'echo hello world'; } > /hello.sh
RUN [ ! -x /hello.sh ]
# comment with line break \
RUN chmod +x /hello.sh
RUN [ -x /hello.sh ]
RUN [ "$(cat /hello.sh)" = $'#!/bin/sh\necho hello world' ]
RUN [ "$(/hello.sh)" = "hello world" ]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildUsersAndGroups(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "testbuildusers"
	_, err := buildImage(name,
		`FROM busybox

# Make sure our defaults work
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)" = '0:0/root:root' ]

# TODO decide if "args.user = strconv.Itoa(syscall.Getuid())" is acceptable behavior for changeUser in sysvinit instead of "return nil" when "USER" isn't specified (so that we get the proper group list even if that is the empty list, even in the default case of not supplying an explicit USER to run as, which implies USER 0)
USER root
RUN [ "$(id -G):$(id -Gn)" = '0 10:root wheel' ]

# Setup dockerio user and group
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd && \
	echo 'dockerio:x:1001:' >> /etc/group

# Make sure we can switch to our user and all the information is exactly as we expect it to be
USER dockerio
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ]

# Switch back to root and double check that worked exactly as we might expect it to
USER root
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '0:0/root:root/0 10:root wheel' ] && \
	# Add a "supplementary" group for our dockerio user \
	echo 'supplementary:x:1002:dockerio' >> /etc/group

# ... and then go verify that we get it like we expect
USER dockerio
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001 1002:dockerio supplementary' ]
USER 1001
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001 1002:dockerio supplementary' ]

# super test the new "user:group" syntax
USER dockerio:dockerio
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ]
USER 1001:dockerio
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ]
USER dockerio:1001
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ]
USER 1001:1001
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1001/dockerio:dockerio/1001:dockerio' ]
USER dockerio:supplementary
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ]
USER dockerio:1002
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ]
USER 1001:supplementary
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ]
USER 1001:1002
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1001:1002/dockerio:supplementary/1002:supplementary' ]

# make sure unknown uid/gid still works properly
USER 1042:1043
RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1042:1043/1042:1043/1043:1043' ]`,
		true)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildEnvUsage(c *check.C) {
	// /docker/world/hello is not owned by the correct user
	testRequires(c, NotUserNamespace)
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvusage"
	dockerfile := `FROM busybox
ENV    HOME /root
ENV    PATH $HOME/bin:$PATH
ENV    PATH /tmp:$PATH
RUN    [ "$PATH" = "/tmp:$HOME/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" ]
ENV    FOO /foo/baz
ENV    BAR /bar
ENV    BAZ $BAR
ENV    FOOPATH $PATH:$FOO
RUN    [ "$BAR" = "$BAZ" ]
RUN    [ "$FOOPATH" = "$PATH:/foo/baz" ]
ENV	   FROM hello/docker/world
ENV    TO /docker/world/hello
ADD    $FROM $TO
RUN    [ "$(cat $TO)" = "hello" ]
ENV    abc=def
ENV    ghi=$abc
RUN    [ "$ghi" = "def" ]
`
	ctx, err := fakeContext(dockerfile, map[string]string{
		"hello/docker/world": "hello",
	})
	if err != nil {
		c.Fatal(err)
	}
	defer ctx.Close()

	_, err = buildImageFromContext(name, ctx, true)
	if err != nil {
		c.Fatal(err)
	}
}

func (s *DockerSuite) TestBuildEnvUsage2(c *check.C) {
	// /docker/world/hello is not owned by the correct user
	testRequires(c, NotUserNamespace)
	testRequires(c, DaemonIsLinux)
	name := "testbuildenvusage2"
	dockerfile := `FROM busybox
ENV    abc=def def="hello world"
RUN    [ "$abc,$def" = "def,hello world" ]
ENV    def=hello\ world v1=abc v2="hi there" v3='boogie nights' v4="with'quotes too"
RUN    [ "$def,$v1,$v2,$v3,$v4" = "hello world,abc,hi there,boogie nights,with'quotes too" ]
ENV    abc=zzz FROM=hello/docker/world
ENV    abc=zzz TO=/docker/world/hello
ADD    $FROM $TO
RUN    [ "$abc,$(cat $TO)" = "zzz,hello" ]
ENV    abc 'yyy'
RUN    [ $abc = 'yyy' ]
ENV    abc=
RUN    [ "$abc" = "" ]

# use grep to make sure if the builder substitutes \$foo by mistake
# we don't get a false positive
ENV    abc=\$foo
RUN    [ "$abc" = "\$foo" ] && (echo "$abc" | grep foo)
ENV    abc \$foo
RUN    [ "$abc" = "\$foo" ] && (echo "$abc" | grep foo)

ENV    abc=\'foo\' abc2=\"foo\"
RUN    [ "$abc,$abc2" = "'foo',\"foo\"" ]
ENV    abc "foo"
RUN    [ "$abc" = "foo" ]
ENV    abc 'foo'
RUN    [ "$abc" = 'foo' ]
ENV    abc \'foo\'
RUN    [ "$abc" = "'foo'" ]
ENV    abc \"foo\"
RUN    [ "$abc" = '"foo"' ]

ENV    abc=ABC
RUN    [ "$abc" = "ABC" ]
ENV    def1=${abc:-DEF} def2=${ccc:-DEF}
ENV    def3=${ccc:-${def2}xx} def4=${abc:+ALT} def5=${def2:+${abc}:} def6=${ccc:-\$abc:} def7=${ccc:-\${abc}:}
RUN    [ "$def1,$def2,$def3,$def4,$def5,$def6,$def7" = 'ABC,DEF,DEFxx,ALT,ABC:,$abc:,${abc:}' ]
ENV    mypath=${mypath:+$mypath:}/home
ENV    mypath=${mypath:+$mypath:}/away