Do not create commit graph for temporary repos (#23219)

When fetching remotes for conflict checking, skip unnecessary and
potentially slow writing of commit graphs.

In a test with the Blender repository, this reduces conflict checking
time for one pull request from about 2s to 0.1s.
This commit is contained in:
Brecht Van Lommel 2023-03-01 20:19:04 +01:00 committed by GitHub
parent 403f3e9208
commit 0268ee5c37
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@ -67,6 +67,12 @@ func createTemporaryRepo(ctx context.Context, pr *issues_model.PullRequest) (str
remoteRepoName := "head_repo"
baseBranch := "base"
fetchArgs := git.TrustedCmdArgs{"--no-tags"}
if git.CheckGitVersionAtLeast("2.25.0") == nil {
// Writing the commit graph can be slow and is not needed here
fetchArgs = append(fetchArgs, "--no-write-commit-graph")
}
// Add head repo remote.
addCacheRepo := func(staging, cache string) error {
p := filepath.Join(staging, ".git", "objects", "info", "alternates")
@ -108,7 +114,7 @@ func createTemporaryRepo(ctx context.Context, pr *issues_model.PullRequest) (str
outbuf.Reset()
errbuf.Reset()
if err := git.NewCommand(ctx, "fetch", "origin", "--no-tags").AddDashesAndList(pr.BaseBranch+":"+baseBranch, pr.BaseBranch+":original_"+baseBranch).
if err := git.NewCommand(ctx, "fetch", "origin").AddArguments(fetchArgs...).AddDashesAndList(pr.BaseBranch+":"+baseBranch, pr.BaseBranch+":original_"+baseBranch).
Run(&git.RunOpts{
Dir: tmpBasePath,
Stdout: &outbuf,
@ -171,7 +177,7 @@ func createTemporaryRepo(ctx context.Context, pr *issues_model.PullRequest) (str
} else {
headBranch = pr.GetGitRefName()
}
if err := git.NewCommand(ctx, "fetch", "--no-tags").AddDynamicArguments(remoteRepoName, headBranch+":"+trackingBranch).
if err := git.NewCommand(ctx, "fetch").AddArguments(fetchArgs...).AddDynamicArguments(remoteRepoName, headBranch+":"+trackingBranch).
Run(&git.RunOpts{
Dir: tmpBasePath,
Stdout: &outbuf,