Merge branch 'jk/repack-tempfile-cleanup'

The way "git repack" creared temporary files when it received a signal was prone to deadlocking, which has been corrected. * jk/repack-tempfile-cleanup: t7700: annotate cruft-pack failure with ok=sigpipe repack: drop remove_temporary_files() repack: use tempfiles for signal cleanup repack: expand error message for missing pack files repack: populate extension bits incrementally repack: convert "names" util bitfield to array