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avoid pack index scans in restack tree rendering #774

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Merged
aviator-app merged 1 commit into from
Jul 10, 2026
Merged

avoid pack index scans in restack tree rendering #774

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16 changes: 13 additions & 3 deletions internal/sequencer/sequencerui/ui.go
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Original file line number Diff line number Diff line change
Expand Up @@ -181,9 +181,19 @@ func (vm *RestackModel) View() tea.View {
if avbr.MergeCommit != "" {
suffix += " (merged)"
}
hash, err := vm.repo.GoGitRepo().ResolveRevision(plumbing.Revision(branchName))
if err == nil && hash != nil {
suffix += " " + hash.String()[:7]
// Look up the branch ref directly instead of using
// ResolveRevision: revision resolution attempts hash-prefix
// expansion, which scans the entire pack index and is
// extremely slow on large repositories — especially here,
// where View is evaluated on every render frame.
ref, err := vm.repo.GoGitRepo().Reference(plumbing.NewBranchReferenceName(branchName), true)
if err != nil {
// The trunk may not exist as a local branch; fall back
// to its remote tracking branch.
ref, err = vm.repo.GoGitRepo().Reference(plumbing.NewRemoteReferenceName(vm.repo.GetRemoteName(), branchName), true)
}
if err == nil {
suffix += " " + ref.Hash().String()[:7]
}

bn := plumbing.NewBranchReferenceName(branchName)
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