// addFiles adds a required input to cu for each file whose basename or path is
// given in names. If base != "", it is prejoined to each name.
// The path of the input will have root/ trimmed from the beginning.
// The digest will be the complete path as written -- this will be replaced
// with the content digest in the fetcher.
func (*Package) addFiles(cu *apb.CompilationUnit, root, base string, names []string) {
for _, name := range names {
path := name
if base != "" {
path = filepath.Join(base, name)
}
cu.RequiredInput = append(cu.RequiredInput, &apb.CompilationUnit_FileInput{
Info: &apb.FileInfo{
Path: strings.TrimPrefix(path, root+"/"),
Digest: path,
},
})
}
}
// addFlag adds a flag and its arguments to the command line, if len(values) != 0.
func (*Package) addFlag(cu *apb.CompilationUnit, name string, values ...string) {
if len(values) != 0 {
cu.Argument = append(cu.Argument, name)
cu.Argument = append(cu.Argument, values...)
}
}
// addEnv adds an environment variable to cu.
func (*Package) addEnv(cu *apb.CompilationUnit, name, value string) {
cu.Environment = append(cu.Environment, &apb.CompilationUnit_Env{
Name: name,
Value: value,
})
}
// addSource acts as addFiles, and in addition marks each trimmed path as a
// source input for the compilation.
func (p *Package) addSource(cu *apb.CompilationUnit, root, base string, names []string) {
p.addFiles(cu, root, base, names)
for _, in := range cu.RequiredInput[len(cu.RequiredInput)-len(names):] {
cu.SourceFile = append(cu.SourceFile, in.Info.Path)
}
}