// fetchSource retrieves the inputs defined by the build source into the
// provided directory, or returns an error if retrieval is not possible.
func fetchSource(dir string, build *api.Build, urlTimeout time.Duration, in io.Reader, git git.Git) (*s2iapi.SourceInfo, error) {
hasGitSource := false
// expect to receive input from STDIN
if err := extractInputBinary(in, build.Spec.Source.Binary, dir); err != nil {
return nil, err
}
// may retrieve source from Git
hasGitSource, err := extractGitSource(git, build.Spec.Source.Git, build.Spec.Revision, dir, urlTimeout)
if err != nil {
return nil, err
}
var sourceInfo *s2iapi.SourceInfo
if hasGitSource {
sourceInfo = git.GetInfo(dir)
}
// a Dockerfile has been specified, create or overwrite into the destination
if dockerfileSource := build.Spec.Source.Dockerfile; dockerfileSource != nil {
baseDir := dir
// if a context dir has been defined and we cloned source, overwrite the destination
if hasGitSource && len(build.Spec.Source.ContextDir) != 0 {
baseDir = filepath.Join(baseDir, build.Spec.Source.ContextDir)
}
return sourceInfo, ioutil.WriteFile(filepath.Join(baseDir, "Dockerfile"), []byte(*dockerfileSource), 0660)
}
return sourceInfo, nil
}
