diff options
Diffstat (limited to 'git_misc.go')
| -rw-r--r-- | git_misc.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/git_misc.go b/git_misc.go index 851fb68..c6ec9f9 100644 --- a/git_misc.go +++ b/git_misc.go @@ -13,6 +13,9 @@ import ( ) var err_unsafe_path = errors.New("Unsafe path") +var err_getting_commit_tree = errors.New("Error getting commit tree") +var err_getting_patch_of_commit = errors.New("Error getting patch of commit") +var err_getting_parent_commit_object = errors.New("Error getting parent commit object") func open_git_repo(group_name, repo_name string) (*git.Repository, error) { group_name, group_name_ok := misc.Sanitize_path(group_name) @@ -82,3 +85,30 @@ func get_recent_commits(repo *git.Repository, head_hash plumbing.Hash, number_of } return recent_commits, err } + +func get_patch_from_commit(commit_object *object.Commit) (parent_commit_hash plumbing.Hash, patch *object.Patch, ret_err error) { + parent_commit_object, err := commit_object.Parent(0) + if errors.Is(err, object.ErrParentNotFound) { + commit_tree, err := commit_object.Tree() + if err != nil { + ret_err = misc.Wrap_one_error(err_getting_commit_tree, err) + return + } + patch, err = (&object.Tree{}).Patch(commit_tree) + if err != nil { + ret_err = misc.Wrap_one_error(err_getting_patch_of_commit, err) + return + } + } else if err != nil { + ret_err = misc.Wrap_one_error(err_getting_parent_commit_object, err) + return + } else { + parent_commit_hash = parent_commit_object.Hash + patch, err = parent_commit_object.Patch(commit_object) + if err != nil { + ret_err = misc.Wrap_one_error(err_getting_patch_of_commit, err) + return + } + } + return +} |