GitLab

(vc-arch-complete, vc-arch--version-completion-table)
(vc-arch-revision-completion-table): New functions to provide
completion of revision names.
(vc-arch-trim-find-least-useful-rev, vc-arch-trim-make-sentinel)
(vc-arch-trim-one-revlib, vc-arch-trim-revlib): New functions
to let the user trim the revlib.