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forgejo/modules/git/repo_commit_gogit.go
Lunny Xiao c9d9255244
Lazy load object format with command line and don't do it in OpenRepository (#29712)
Most time, when invoking `git.OpenRepository`, `objectFormat` will not
be used, so it's a waste to invoke commandline to get the object format.
This PR make it a lazy operation, only invoke that when necessary.

(cherry picked from commit e84e5db6de0306d514b1f1a9657931fb7197a188)
2024-03-20 08:46:28 +01:00

111 lines
3.1 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
//go:build gogit
package git
import (
"strings"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/hash"
"github.com/go-git/go-git/v5/plumbing/object"
)
// GetRefCommitID returns the last commit ID string of given reference (branch or tag).
func (repo *Repository) GetRefCommitID(name string) (string, error) {
ref, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
if err != nil {
if err == plumbing.ErrReferenceNotFound {
return "", ErrNotExist{
ID: name,
}
}
return "", err
}
return ref.Hash().String(), nil
}
// SetReference sets the commit ID string of given reference (e.g. branch or tag).
func (repo *Repository) SetReference(name, commitID string) error {
return repo.gogitRepo.Storer.SetReference(plumbing.NewReferenceFromStrings(name, commitID))
}
// RemoveReference removes the given reference (e.g. branch or tag).
func (repo *Repository) RemoveReference(name string) error {
return repo.gogitRepo.Storer.RemoveReference(plumbing.ReferenceName(name))
}
// ConvertToHash returns a Hash object from a potential ID string
func (repo *Repository) ConvertToGitID(commitID string) (ObjectID, error) {
objectFormat, err := repo.GetObjectFormat()
if err != nil {
return nil, err
}
if len(commitID) == hash.HexSize && objectFormat.IsValid(commitID) {
ID, err := NewIDFromString(commitID)
if err == nil {
return ID, nil
}
}
actualCommitID, _, err := NewCommand(repo.Ctx, "rev-parse", "--verify").AddDynamicArguments(commitID).RunStdString(&RunOpts{Dir: repo.Path})
actualCommitID = strings.TrimSpace(actualCommitID)
if err != nil {
if strings.Contains(err.Error(), "unknown revision or path") ||
strings.Contains(err.Error(), "fatal: Needed a single revision") {
return objectFormat.EmptyObjectID(), ErrNotExist{commitID, ""}
}
return objectFormat.EmptyObjectID(), err
}
return NewIDFromString(actualCommitID)
}
// IsCommitExist returns true if given commit exists in current repository.
func (repo *Repository) IsCommitExist(name string) bool {
hash, err := repo.ConvertToGitID(name)
if err != nil {
return false
}
_, err = repo.gogitRepo.CommitObject(plumbing.Hash(hash.RawValue()))
return err == nil
}
func (repo *Repository) getCommit(id ObjectID) (*Commit, error) {
var tagObject *object.Tag
commitID := plumbing.Hash(id.RawValue())
gogitCommit, err := repo.gogitRepo.CommitObject(commitID)
if err == plumbing.ErrObjectNotFound {
tagObject, err = repo.gogitRepo.TagObject(commitID)
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
ID: id.String(),
}
}
if err == nil {
gogitCommit, err = repo.gogitRepo.CommitObject(tagObject.Target)
}
// if we get a plumbing.ErrObjectNotFound here then the repository is broken and it should be 500
}
if err != nil {
return nil, err
}
commit := convertCommit(gogitCommit)
commit.repo = repo
tree, err := gogitCommit.Tree()
if err != nil {
return nil, err
}
commit.Tree.ID = ParseGogitHash(tree.Hash)
commit.Tree.gogitTree = tree
return commit, nil
}