func getTreeishId(repo *libgit.Repository, treeish string) string {
if branchId, err := repo.GetCommitIdOfBranch(treeish); err == nil {
return branchId
}
if len(treeish) == 40 {
return treeish
}
panic("TODO: Didn't implement getTreeishId")
}
func getHeadId(repo *libgit.Repository) (string, error) {
if headBranch := getHeadBranch(repo); headBranch != "" {
return repo.GetCommitIdOfBranch(getHeadBranch(repo))
}
return "", InvalidHead
}