| // Copyright 2018 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package main |
| |
| import ( |
| "bytes" |
| "fmt" |
| "os" |
| "os/exec" |
| "path/filepath" |
| |
| cf "github.com/google/wuffs/cmd/commonflags" |
| ) |
| |
| func genrelease(wuffsRoot string, langs []string, v cf.Version) error { |
| revision := runGitCommand(wuffsRoot, "rev-parse", "HEAD") |
| commitDate := runGitCommand(wuffsRoot, "show", |
| "--quiet", "--date=format-local:%Y-%m-%d", "--format=%cd") |
| gitRevListCount := runGitCommand(wuffsRoot, "rev-list", "--count", "HEAD") |
| for _, lang := range langs { |
| filename, contents, err := genreleaseLang(wuffsRoot, revision, commitDate, gitRevListCount, v, lang) |
| if err != nil { |
| return err |
| } |
| if err := writeFile(filename, contents); err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| func genreleaseLang(wuffsRoot string, revision string, commitDate, gitRevListCount string, v cf.Version, lang string) (filename string, contents []byte, err error) { |
| qualFilenames, err := findFiles(filepath.Join(wuffsRoot, "gen", lang), "."+lang) |
| if err != nil { |
| return "", nil, err |
| } |
| |
| command := "wuffs-" + lang |
| args := []string(nil) |
| args = append(args, "genrelease", |
| "-revision", revision, |
| "-commitdate", commitDate, |
| "-version", v.String(), |
| ) |
| if gitRevListCount != "" { |
| args = append(args, "-gitrevlistcount", gitRevListCount) |
| } |
| args = append(args, qualFilenames...) |
| stdout := &bytes.Buffer{} |
| |
| cmd := exec.Command(command, args...) |
| cmd.Stdout = stdout |
| cmd.Stderr = os.Stderr |
| if err := cmd.Run(); err == nil { |
| // No-op. |
| } else if _, ok := err.(*exec.ExitError); ok { |
| return "", nil, fmt.Errorf("%s: failed", command) |
| } else { |
| return "", nil, err |
| } |
| |
| base := "wuffs-unsupported-snapshot" |
| if v.Major != 0 || v.Minor != 0 { |
| base = fmt.Sprintf("wuffs-v%d.%d", v.Major, v.Minor) |
| } |
| return filepath.Join(wuffsRoot, "release", lang, base+"."+lang), stdout.Bytes(), nil |
| } |
| |
| func runGitCommand(wuffsRoot string, cmdArgs ...string) string { |
| cmd := exec.Command("git", cmdArgs...) |
| cmd.Dir = wuffsRoot |
| cmd.Env = []string{"TZ=UTC"} |
| out, err := cmd.Output() |
| if err != nil { |
| return "" |
| } |
| return string(bytes.TrimSpace(out)) |
| } |