Monorepo for Tangled
tangled.org
knotmirror/git: sync HEAD seperately on resync
Ideally this should be done by dedicated event like `gitHeadUpdate`, but
as we have lots of self-hosted knots, doing all the work from knotmirror
would be easier than requesting users to update their knot again.
Signed-off-by: Seongmin Lee <git@boltless.me>
author
Seongmin Lee
committer
Tangled
date
(May 16, 2026, 1:27 PM +0300)
commit
ed3b3c79
ed3b3c794458372341cc5ac59a47d2d303760a2e
parent
811a6834
811a6834e8915d214d49759b125b10292a2700b3
change-id
pmtsnmsw
pmtsnmswqzrvsmlxzqqplkxovutmzwxv
+32
+32
knotmirror/git.go
+32
knotmirror/git.go
···
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}
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return fmt.Errorf("running 'git fetch': %w\n%s", err, string(out))
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}
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+
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// TODO(boltless): make this dedicated event instead
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lsRemoteCmd := exec.CommandContext(ctx, "git", "ls-remote", "--symref", url, "HEAD")
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out, err := lsRemoteCmd.CombinedOutput()
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if err != nil {
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if ctx.Err() != nil {
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return ctx.Err()
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}
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return fmt.Errorf("running 'git ls-remote --symref': %w\n%s", err, string(out))
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}
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var headRef string
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for line := range strings.SplitSeq(string(out), "\n") {
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if !strings.HasPrefix(line, "ref: ") {
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continue
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}
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fields := strings.Fields(line)
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if len(fields) >= 2 {
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headRef = fields[1]
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break
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}
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}
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if headRef != "" {
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symrefCmd := exec.CommandContext(ctx, "git", "-C", path, "symbolic-ref", "HEAD", headRef)
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if out, err := symrefCmd.CombinedOutput(); err != nil {
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if ctx.Err() != nil {
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return ctx.Err()
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}
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return fmt.Errorf("running 'git symbolic-ref HEAD %s': %w\n%s", headRef, err, string(out))
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}
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}
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return nil
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}
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