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Do not create commit graph for temporary repos (#23219) (#23302)

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Backport #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.

---------

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Brecht Van Lommel <brecht@blender.org>
This commit is contained in:
zeripath 2023-03-05 00:20:02 +00:00 committed by GitHub
parent a3e185bc5c
commit 9c33aff689
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
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10
services/pull/temp_repo.go
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@ -68,6 +68,12 @@ func createTemporaryRepo(ctx context.Context, pr *issues_model.PullRequest) (str
remoteRepoName := "head_repo"
baseBranch := "base"
fetchArgs := []git.CmdArg{"--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")
@ -109,7 +115,7 @@ 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,
@ -172,7 +178,7 @@ 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,