func repoRoot(p *goutil.Package) (*Root, error) {
rdir := filepath.Join(p.Build.Root, "src")
cmd, path, err := vcs.FromDir(p.Build.Dir, rdir)
if err != nil {
return nil, err
}
dir := filepath.Join(rdir, path)
return &Root{root: dir, path: path, cmd: cmd}, nil
}
func VCSFromDir(dir, srcRoot string) (*VCS, string, error) {
vcscmd, reporoot, err := vcs.FromDir(dir, srcRoot)
if err != nil {
return nil, "", err
}
vcsext := cmd[vcscmd]
if vcsext == nil {
return nil, "", fmt.Errorf("%s is unsupported: %s", vcscmd.Name, dir)
}
return vcsext, reporoot, nil
}