Add clean module for cleaning output
This allows cleaning build artifacts without deleting the entire
output directory.
Change-Id: I04ecf1ff1d0651b54acfc5ddb90710762adf2b27
diff --git a/build.go b/build.go
index 05bc666..18adcc8 100644
--- a/build.go
+++ b/build.go
@@ -35,7 +35,7 @@
blueprint.RuleParams{
Command: "$envVars $gnCmd gen $buildDir " +
"--root=$gnDir --script-executable=/usr/bin/env --args='$gnArgs'",
- Generator: true,
+ Generator: true,
Description: "gn $gnDir",
},
"envVars", "gnDir", "gnArgs", "buildDir")
@@ -81,6 +81,13 @@
Description: "mkdir $out",
})
+ rm = pctx.StaticRule("rm",
+ blueprint.RuleParams{
+ Command: "rm -rf $files",
+ Description: "rm $out",
+ },
+ "files")
+
stamp = pctx.StaticRule("stamp",
blueprint.RuleParams{
Command: "touch $out",
@@ -125,6 +132,45 @@
})
}
+type Clean struct {
+ builderModule
+ properties struct {
+ Dirs []string
+ }
+ config Config
+}
+
+func newCleanModuleFactory(config Config) func() (blueprint.Module, []interface{}) {
+ return func() (blueprint.Module, []interface{}) {
+ module := &Clean{
+ config: config,
+ }
+ return module, []interface{}{&module.properties}
+ }
+}
+
+func (c *Clean) GenerateBuildActions(ctx blueprint.ModuleContext) {
+ c.targetName = ctx.ModuleName()
+
+ if len(c.properties.Dirs) != 0 {
+ // Add a rule for deleting all the specified files
+ ctx.Build(pctx, blueprint.BuildParams{
+ Rule: rm,
+ Outputs: []string{ctx.ModuleName()},
+ Args: map[string]string{
+ "files": strings.Join(c.properties.Dirs, " "),
+ },
+ Implicits: getDirectDependencies(ctx),
+ })
+ } else {
+ ctx.Build(pctx, blueprint.BuildParams{
+ Rule: blueprint.Phony,
+ Outputs: []string{ctx.ModuleName()},
+ Implicits: getDirectDependencies(ctx),
+ })
+ }
+}
+
type CMake struct {
builderModule
properties struct {
diff --git a/main.go b/main.go
index c46656d..9feb0e7 100644
--- a/main.go
+++ b/main.go
@@ -83,6 +83,7 @@
// Register custom module types.
ctx.RegisterModuleType("alias", newAliasModuleFactory(config))
+ ctx.RegisterModuleType("clean", newCleanModuleFactory(config))
ctx.RegisterModuleType("cmake", newCMakeModuleFactory(config))
ctx.RegisterModuleType("copy", newCopyModuleFactory(config))
ctx.RegisterModuleType("gn", newGnModuleFactory(config))
