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improvement

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This commit is contained in:
Lunny Xiao
2026-01-02 18:50:54 -08:00
parent 5bf1c5010e
commit 68bb75168a
8 changed files with 50 additions and 88 deletions
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services/git/compare.go
+28 -52
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@@ -6,14 +6,11 @@ package git
import (
"context"
"fmt"
"strconv"
"time"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/gitrepo"
"code.gitea.io/gitea/modules/graceful"
logger "code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/util"
)
// CompareInfo represents needed information for comparing references.
@@ -41,22 +38,6 @@ func (ci *CompareInfo) IsSameRef() bool {
// GetCompareInfo generates and returns compare information between base and head branches of repositories.
func GetCompareInfo(ctx context.Context, baseRepo, headRepo *repo_model.Repository, headGitRepo *git.Repository, baseRef, headRef git.RefName, directComparison, fileOnly bool) (_ *CompareInfo, err error) {
var tmpRemote string
// We don't need a temporary remote for same repository.
if baseRepo.ID != headRepo.ID {
// Add a temporary remote
tmpRemote = strconv.FormatInt(time.Now().UnixNano(), 10)
if err = gitrepo.GitRemoteAdd(ctx, headRepo, tmpRemote, baseRepo.RepoPath()); err != nil {
return nil, fmt.Errorf("GitRemoteAdd: %w", err)
}
defer func() {
if err := gitrepo.GitRemoteRemove(graceful.GetManager().ShutdownContext(), headRepo, tmpRemote); err != nil {
logger.Error("GetPullRequestInfo: GitRemoteRemove: %v", err)
}
}()
}
compareInfo := &CompareInfo{
BaseRepo: baseRepo,
BaseRef: baseRef,
@@ -66,48 +47,43 @@ func GetCompareInfo(ctx context.Context, baseRepo, headRepo *repo_model.Reposito
DirectComparison: directComparison,
}
compareInfo.BaseCommitID, err = gitrepo.GetFullCommitID(ctx, baseRepo, baseRef.String())
if err != nil {
return nil, err
}
compareInfo.HeadCommitID, err = gitrepo.GetFullCommitID(ctx, headRepo, headRef.String())
if err != nil {
compareInfo.HeadCommitID = headRef.String()
}
compareInfo.MergeBase, err = gitrepo.MergeBaseFromRemote(ctx, baseRepo, headRepo, compareInfo.BaseCommitID, compareInfo.HeadCommitID)
if err == nil {
compareInfo.BaseCommitID, err = gitrepo.GetFullCommitID(ctx, headRepo, headRef.String())
if err != nil {
compareInfo.BaseCommitID = headRef.String()
}
separator := "..."
baseCommitID := compareInfo.MergeBase
if directComparison {
separator = ".."
baseCommitID = compareInfo.BaseCommitID
}
// We have a common base - therefore we know that ... should work
if !fileOnly {
compareInfo.Commits, err = headGitRepo.ShowPrettyFormatLogToList(ctx, baseCommitID+separator+headRef.String())
if err != nil {
return nil, fmt.Errorf("ShowPrettyFormatLogToList: %w", err)
}
} else {
compareInfo.Commits = []*git.Commit{}
}
} else {
compareInfo.Commits = []*git.Commit{}
compareInfo.MergeBase, err = gitrepo.GetFullCommitID(ctx, headRepo, headRef.String())
if err != nil {
compareInfo.MergeBase = headRef.String()
}
compareInfo.BaseCommitID = compareInfo.MergeBase
return nil, err
}
// if they are not the same repository, then we need to fetch the base commit into the head repository
// because we will use headGitRepo in the following code
if baseRepo.ID != headRepo.ID {
if err := gitrepo.FetchRemoteCommit(ctx, headRepo, baseRepo, compareInfo.BaseCommitID); err != nil {
return nil, fmt.Errorf("FetchRemoteCommit: %w", err)
}
}
if !directComparison {
compareInfo.MergeBase, err = gitrepo.MergeBase(ctx, headRepo, compareInfo.BaseCommitID, compareInfo.HeadCommitID)
if err != nil {
return nil, fmt.Errorf("MergeBase: %w", err)
}
} else {
compareInfo.MergeBase = compareInfo.BaseCommitID
}
// We have a common base - therefore we know that ... should work
if !fileOnly {
separator := util.Iif(directComparison, "..", "...")
compareInfo.Commits, err = headGitRepo.ShowPrettyFormatLogToList(ctx, compareInfo.BaseCommitID+separator+compareInfo.HeadCommitID)
if err != nil {
return nil, fmt.Errorf("ShowPrettyFormatLogToList: %w", err)
}
} else {
compareInfo.Commits = []*git.Commit{}
}
// Count number of changed files.
// This probably should be removed as we need to use shortstat elsewhere
// Now there is git diff --shortstat but this appears to be slower than simply iterating with --nameonly