mirror of
https://github.com/go-gitea/gitea
synced 2024-12-21 17:24:02 +01:00
270aab429e
Use common git cat-file --batch and git cat-file --batch-check to
significantly reduce calls to git.
Signed-off-by: Andrew Thornton <art27@cantab.net>
131 lines
3.1 KiB
Go
131 lines
3.1 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// +build gogit
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package git
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import (
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"fmt"
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"strings"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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)
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// GetRefCommitID returns the last commit ID string of given reference (branch or tag).
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func (repo *Repository) GetRefCommitID(name string) (string, error) {
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ref, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
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if err != nil {
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if err == plumbing.ErrReferenceNotFound {
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return "", ErrNotExist{
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ID: name,
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}
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}
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return "", err
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}
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return ref.Hash().String(), nil
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}
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// ConvertToSHA1 returns a Hash object from a potential ID string
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func (repo *Repository) ConvertToSHA1(commitID string) (SHA1, error) {
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if len(commitID) == 40 {
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sha1, err := NewIDFromString(commitID)
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if err == nil {
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return sha1, nil
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}
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}
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actualCommitID, err := NewCommand("rev-parse", "--verify", commitID).RunInDir(repo.Path)
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if err != nil {
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if strings.Contains(err.Error(), "unknown revision or path") ||
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strings.Contains(err.Error(), "fatal: Needed a single revision") {
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return SHA1{}, ErrNotExist{commitID, ""}
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}
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return SHA1{}, err
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}
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return NewIDFromString(actualCommitID)
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}
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// IsCommitExist returns true if given commit exists in current repository.
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func (repo *Repository) IsCommitExist(name string) bool {
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hash := plumbing.NewHash(name)
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_, err := repo.gogitRepo.CommitObject(hash)
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return err == nil
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}
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func convertPGPSignatureForTag(t *object.Tag) *CommitGPGSignature {
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if t.PGPSignature == "" {
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return nil
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}
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var w strings.Builder
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var err error
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if _, err = fmt.Fprintf(&w,
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"object %s\ntype %s\ntag %s\ntagger ",
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t.Target.String(), t.TargetType.Bytes(), t.Name); err != nil {
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return nil
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}
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if err = t.Tagger.Encode(&w); err != nil {
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return nil
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}
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if _, err = fmt.Fprintf(&w, "\n\n"); err != nil {
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return nil
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}
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if _, err = fmt.Fprintf(&w, t.Message); err != nil {
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return nil
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}
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return &CommitGPGSignature{
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Signature: t.PGPSignature,
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Payload: strings.TrimSpace(w.String()) + "\n",
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}
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}
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func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
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var tagObject *object.Tag
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gogitCommit, err := repo.gogitRepo.CommitObject(id)
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if err == plumbing.ErrObjectNotFound {
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tagObject, err = repo.gogitRepo.TagObject(id)
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if err == plumbing.ErrObjectNotFound {
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return nil, ErrNotExist{
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ID: id.String(),
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}
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}
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if err == nil {
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gogitCommit, err = repo.gogitRepo.CommitObject(tagObject.Target)
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}
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// if we get a plumbing.ErrObjectNotFound here then the repository is broken and it should be 500
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}
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if err != nil {
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return nil, err
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}
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commit := convertCommit(gogitCommit)
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commit.repo = repo
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if tagObject != nil {
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commit.CommitMessage = strings.TrimSpace(tagObject.Message)
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commit.Author = &tagObject.Tagger
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commit.Signature = convertPGPSignatureForTag(tagObject)
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}
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tree, err := gogitCommit.Tree()
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if err != nil {
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return nil, err
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}
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commit.Tree.ID = tree.Hash
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commit.Tree.gogitTree = tree
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return commit, nil
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}
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