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Strangely #19038 appears to relate to an issue whereby a tag appears to be listed in `git show-ref --tags` but then does not appear when `git show-ref --tags -- short_name` is called. As a solution though I propose to stop the second call as it is unnecessary and only likely to cause problems. I've also noticed that the tags calls are wildly inefficient and aren't using the common cat-files - so these have been added. I've also noticed that the git commit-graph is not being written on mirroring - so I've also added writing this to the migration which should improve mirror rendering somewhat. Fix #19038 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de>
138 lines
3.2 KiB
Go
138 lines
3.2 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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//go:build gogit
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// +build gogit
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package git
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import (
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"strings"
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"code.gitea.io/gitea/modules/log"
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"github.com/go-git/go-git/v5/plumbing"
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)
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// IsTagExist returns true if given tag exists in the repository.
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func (repo *Repository) IsTagExist(name string) bool {
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_, err := repo.gogitRepo.Reference(plumbing.ReferenceName(TagPrefix+name), true)
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return err == nil
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}
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// GetTags returns all tags of the repository.
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// returning at most limit tags, or all if limit is 0.
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func (repo *Repository) GetTags(skip, limit int) ([]string, error) {
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var tagNames []string
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tags, err := repo.gogitRepo.Tags()
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if err != nil {
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return nil, err
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}
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_ = tags.ForEach(func(tag *plumbing.Reference) error {
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tagNames = append(tagNames, strings.TrimPrefix(tag.Name().String(), TagPrefix))
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return nil
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})
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// Reverse order
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for i := 0; i < len(tagNames)/2; i++ {
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j := len(tagNames) - i - 1
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tagNames[i], tagNames[j] = tagNames[j], tagNames[i]
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}
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// since we have to reverse order we can paginate only afterwards
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if len(tagNames) < skip {
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tagNames = []string{}
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} else {
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tagNames = tagNames[skip:]
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}
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if limit != 0 && len(tagNames) > limit {
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tagNames = tagNames[:limit]
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}
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return tagNames, nil
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}
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// GetTagType gets the type of the tag, either commit (simple) or tag (annotated)
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func (repo *Repository) GetTagType(id SHA1) (string, error) {
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// Get tag type
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obj, err := repo.gogitRepo.Object(plumbing.AnyObject, id)
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if err != nil {
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if err == plumbing.ErrReferenceNotFound {
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return "", &ErrNotExist{ID: id.String()}
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}
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return "", err
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}
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return obj.Type().String(), nil
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}
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func (repo *Repository) getTag(tagID SHA1, name string) (*Tag, error) {
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t, ok := repo.tagCache.Get(tagID.String())
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if ok {
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log.Debug("Hit cache: %s", tagID)
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tagClone := *t.(*Tag)
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tagClone.Name = name // This is necessary because lightweight tags may have same id
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return &tagClone, nil
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}
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tp, err := repo.GetTagType(tagID)
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if err != nil {
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return nil, err
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}
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// Get the commit ID and tag ID (may be different for annotated tag) for the returned tag object
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commitIDStr, err := repo.GetTagCommitID(name)
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if err != nil {
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// every tag should have a commit ID so return all errors
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return nil, err
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}
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commitID, err := NewIDFromString(commitIDStr)
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if err != nil {
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return nil, err
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}
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// If type is "commit, the tag is a lightweight tag
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if ObjectType(tp) == ObjectCommit {
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commit, err := repo.GetCommit(commitIDStr)
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if err != nil {
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return nil, err
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}
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tag := &Tag{
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Name: name,
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ID: tagID,
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Object: commitID,
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Type: tp,
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Tagger: commit.Committer,
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Message: commit.Message(),
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}
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repo.tagCache.Set(tagID.String(), tag)
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return tag, nil
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}
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gogitTag, err := repo.gogitRepo.TagObject(tagID)
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if err != nil {
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if err == plumbing.ErrReferenceNotFound {
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return nil, &ErrNotExist{ID: tagID.String()}
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}
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return nil, err
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}
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tag := &Tag{
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Name: name,
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ID: tagID,
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Object: gogitTag.Target,
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Type: tp,
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Tagger: &gogitTag.Tagger,
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Message: gogitTag.Message,
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}
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repo.tagCache.Set(tagID.String(), tag)
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return tag, nil
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}
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