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Defer Last Commit Info (#16467)

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One of the biggest reasons for slow repository browsing is that we wait
until last commit information has been generated for all files in the
repository.

This PR proposes deferring this generation to a new POST endpoint that
does the look up outside of the main page request.

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-10-08 14:08:22 +01:00 • committed by GitHub
parent 88fa9f3fb1
commit 001dbf100d
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 321 additions and 151 deletions
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13
modules/git/log_name_status.go
View file

@ -275,7 +275,9 @@ func (g *LogNameStatusRepoParser) Close() {
}
// WalkGitLog walks the git log --name-status for the head commit in the provided treepath and files
func WalkGitLog(ctx context.Context, repo *Repository, head *Commit, treepath string, paths ...string) (map[string]string, error) {
func WalkGitLog(ctx context.Context, cache *LastCommitCache, repo *Repository, head *Commit, treepath string, paths ...string) (map[string]string, error) {
headRef := head.ID.String()
tree, err := head.SubTree(treepath)
if err != nil {
return nil, err
@ -339,6 +341,9 @@ heaploop:
for {
select {
case <-ctx.Done():
if ctx.Err() == context.DeadlineExceeded {
break heaploop
}
g.Close()
return nil, ctx.Err()
default:
@ -360,10 +365,16 @@ heaploop:
changed[i] = false
if results[i] == "" {
results[i] = current.CommitID
if err := cache.Put(headRef, path.Join(treepath, paths[i]), current.CommitID); err != nil {
return nil, err
}
delete(path2idx, paths[i])
remaining--
if results[0] == "" {
results[0] = current.CommitID
if err := cache.Put(headRef, treepath, current.CommitID); err != nil {
return nil, err
}
delete(path2idx, "")
remaining--
}