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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repository
import (
"path"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
)
func recusiveCache(gitRepo *git.Repository, c cgobject.CommitNode, tree *git.Tree, treePath string, ca *cache.LastCommitCache, level int) error {
if level == 0 {
return nil
}
entries, err := tree.ListEntries()
if err != nil {
return err
}
entryPaths := make([]string, len(entries))
entryMap := make(map[string]*git.TreeEntry)
for i, entry := range entries {
entryPaths[i] = entry.Name()
entryMap[entry.Name()] = entry
}
commits, err := git.GetLastCommitForPaths(c, treePath, entryPaths)
if err != nil {
return err
}
for entry, cm := range commits {
if err := ca.Put(c.ID().String(), path.Join(treePath, entry), cm.ID().String()); err != nil {
return err
}
if entryMap[entry].IsDir() {
subTree, err := tree.SubTree(entry)
if err != nil {
return err
}
if err := recusiveCache(gitRepo, c, subTree, entry, ca, level-1); err != nil {
return err
}
}
}
return nil
}
func getRefName(fullRefName string) string {
if strings.HasPrefix(fullRefName, git.TagPrefix) {
return fullRefName[len(git.TagPrefix):]
} else if strings.HasPrefix(fullRefName, git.BranchPrefix) {
return fullRefName[len(git.BranchPrefix):]
}
return ""
}
// CacheRef cachhe last commit information of the branch or the tag
func CacheRef(repo *models.Repository, gitRepo *git.Repository, fullRefName string) error {
if !setting.CacheService.LastCommit.Enabled {
return nil
}
commit, err := gitRepo.GetCommit(fullRefName)
if err != nil {
return err
}
commitsCount, err := cache.GetInt64(repo.GetCommitsCountCacheKey(getRefName(fullRefName), true), commit.CommitsCount)
if err != nil {
return err
}
if commitsCount < setting.CacheService.LastCommit.CommitsCount {
return nil
}
commitNodeIndex, _ := gitRepo.CommitNodeIndex()
c, err := commitNodeIndex.Get(commit.ID)
if err != nil {
return err
}
ca := cache.NewLastCommitCache(repo.FullName(), gitRepo, int64(setting.CacheService.LastCommit.TTL.Seconds()))
return recusiveCache(gitRepo, c, &commit.Tree, "", ca, 1)
}
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