#!/bin/sh test_description='git repack works correctly' . ./test-lib.sh commit_and_pack() { test_commit "$@" >/dev/null && SHA1=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) && echo pack-${SHA1}.pack } test_expect_success 'objects in packs marked .keep are not repacked' ' echo content1 > file1 && echo content2 > file2 && git add . && test_tick && git commit -m initial_commit && # Create two packs # The first pack will contain all of the objects except one git rev-list --objects --all | grep -v file2 | git pack-objects pack > /dev/null && # The second pack will contain the excluded object packsha1=$(git rev-list --objects --all | grep file2 | git pack-objects pack) && >pack-$packsha1.keep && objsha1=$(git verify-pack -v pack-$packsha1.idx | head -n 1 | sed -e "s/^\([0-9a-f]\{40\}\).*/\1/") && mv pack-* .git/objects/pack/ && git repack -A -d -l && git prune-packed && for p in .git/objects/pack/*.idx; do idx=$(basename $p) test "pack-$packsha1.idx" = "$idx" && continue if git verify-pack -v $p | egrep "^$objsha1"; then found_duplicate_object=1 echo "DUPLICATE OBJECT FOUND" break fi done && test -z "$found_duplicate_object" ' test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' ' # build on $objsha1, $packsha1, and .keep state from previous git repack -Adbl && test_when_finished "found_duplicate_object=" && for p in .git/objects/pack/*.idx; do idx=$(basename $p) test "pack-$packsha1.idx" = "$idx" && continue if git verify-pack -v $p | egrep "^$objsha1"; then found_duplicate_object=1 echo "DUPLICATE OBJECT FOUND" break fi done && test "$found_duplicate_object" = 1 ' test_expect_success 'writing bitmaps via config can duplicate .keep objects' ' # build on $objsha1, $packsha1, and .keep state from previous git -c repack.writebitmaps=true repack -Adl && test_when_finished "found_duplicate_object=" && for p in .git/objects/pack/*.idx; do idx=$(basename $p) test "pack-$packsha1.idx" = "$idx" && continue if git verify-pack -v $p | egrep "^$objsha1"; then found_duplicate_object=1 echo "DUPLICATE OBJECT FOUND" break fi done && test "$found_duplicate_object" = 1 ' test_expect_success 'loose objects in alternate ODB are not repacked' ' mkdir alt_objects && echo $(pwd)/alt_objects > .git/objects/info/alternates && echo content3 > file3 && objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) && git add file3 && test_tick && git commit -m commit_file3 && git repack -a -d -l && git prune-packed && for p in .git/objects/pack/*.idx; do if git verify-pack -v $p | egrep "^$objsha1"; then found_duplicate_object=1 echo "DUPLICATE OBJECT FOUND" break fi done && test -z "$found_duplicate_object" ' test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' ' mkdir alt_objects/pack && mv .git/objects/pack/* alt_objects/pack && git repack -a && myidx=$(ls -1 .git/objects/pack/*.idx) && test -f "$myidx" && for p in alt_objects/pack/*.idx; do git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p" done | while read sha1 rest; do if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then echo "Missing object in local pack: $sha1" return 1 fi done ' test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' ' rm -f .git/objects/pack/* && echo new_content >> file1 && git add file1 && test_tick && git commit -m more_content && git repack && git repack -a -d && myidx=$(ls -1 .git/objects/pack/*.idx) && test -f "$myidx" && for p in alt_objects/pack/*.idx; do git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p" done | while read sha1 rest; do if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then echo "Missing object in local pack: $sha1" return 1 fi done ' test_expect_success 'packed obs in alternate ODB kept pack are repacked' ' # swap the .keep so the commit object is in the pack with .keep for p in alt_objects/pack/*.pack do base_name=$(basename $p .pack) && if test -f alt_objects/pack/$base_name.keep then rm alt_objects/pack/$base_name.keep else touch alt_objects/pack/$base_name.keep fi done && git repack -a -d && myidx=$(ls -1 .git/objects/pack/*.idx) && test -f "$myidx" && for p in alt_objects/pack/*.idx; do git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p" done | while read sha1 rest; do if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then echo "Missing object in local pack: $sha1" return 1 fi done ' test_expect_success 'packed unreachable obs in alternate ODB are not loosened' ' rm -f alt_objects/pack/*.keep && mv .git/objects/pack/* alt_objects/pack/ && csha1=$(git rev-parse HEAD^{commit}) && git reset --hard HEAD^ && test_tick && git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all && # The pack-objects call on the next line is equivalent to # git repack -A -d without the call to prune-packed git pack-objects --honor-pack-keep --non-empty --all --reflog \ --unpack-unreachable </dev/null pack && rm -f .git/objects/pack/* && mv pack-* .git/objects/pack/ && test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx | egrep "^$csha1 " | sort | uniq | wc -l) && echo > .git/objects/info/alternates && test_must_fail git show $csha1 ' test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' ' echo $(pwd)/alt_objects > .git/objects/info/alternates && echo "$csha1" | git pack-objects --non-empty --all --reflog pack && rm -f .git/objects/pack/* && mv pack-* .git/objects/pack/ && # The pack-objects call on the next line is equivalent to # git repack -A -d without the call to prune-packed git pack-objects --honor-pack-keep --non-empty --all --reflog \ --unpack-unreachable </dev/null pack && rm -f .git/objects/pack/* && mv pack-* .git/objects/pack/ && test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx | egrep "^$csha1 " | sort | uniq | wc -l) && echo > .git/objects/info/alternates && test_must_fail git show $csha1 ' test_expect_success 'objects made unreachable by grafts only are kept' ' test_tick && git commit --allow-empty -m "commit 4" && H0=$(git rev-parse HEAD) && H1=$(git rev-parse HEAD^) && H2=$(git rev-parse HEAD^^) && echo "$H0 $H2" > .git/info/grafts && git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all && git repack -a -d && git cat-file -t $H1 ' test_expect_success 'repack --keep-pack' ' test_create_repo keep-pack && ( cd keep-pack && P1=$(commit_and_pack 1) && P2=$(commit_and_pack 2) && P3=$(commit_and_pack 3) && P4=$(commit_and_pack 4) && ls .git/objects/pack/*.pack >old-counts && test_line_count = 4 old-counts && git repack -a -d --keep-pack $P1 --keep-pack $P4 && ls .git/objects/pack/*.pack >new-counts && grep -q $P1 new-counts && grep -q $P4 new-counts && test_line_count = 3 new-counts && git fsck ) ' test_done