36eba0323d
A typical use case for bare repos is for serving clones and fetches to clients. Enable bitmaps by default on bare repos to make it easier for admins to host git repos in a performant way. Signed-off-by: Eric Wong <e@80x24.org> Helped-by: Jeff King <peff@peff.net> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
243 lines
7.4 KiB
Bash
Executable File
243 lines
7.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='git repack works correctly'
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. ./test-lib.sh
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commit_and_pack() {
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test_commit "$@" >/dev/null &&
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SHA1=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
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echo pack-${SHA1}.pack
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}
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test_expect_success 'objects in packs marked .keep are not repacked' '
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echo content1 > file1 &&
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echo content2 > file2 &&
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git add . &&
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test_tick &&
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git commit -m initial_commit &&
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# Create two packs
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# The first pack will contain all of the objects except one
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git rev-list --objects --all | grep -v file2 |
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git pack-objects pack > /dev/null &&
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# The second pack will contain the excluded object
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packsha1=$(git rev-list --objects --all | grep file2 |
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git pack-objects pack) &&
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>pack-$packsha1.keep &&
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objsha1=$(git verify-pack -v pack-$packsha1.idx | head -n 1 |
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sed -e "s/^\([0-9a-f]\{40\}\).*/\1/") &&
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mv pack-* .git/objects/pack/ &&
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git repack -A -d -l &&
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git prune-packed &&
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for p in .git/objects/pack/*.idx; do
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idx=$(basename $p)
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test "pack-$packsha1.idx" = "$idx" && continue
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if git verify-pack -v $p | egrep "^$objsha1"; then
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found_duplicate_object=1
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echo "DUPLICATE OBJECT FOUND"
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break
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fi
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done &&
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test -z "$found_duplicate_object"
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'
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test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
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# build on $objsha1, $packsha1, and .keep state from previous
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git repack -Adbl &&
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test_when_finished "found_duplicate_object=" &&
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for p in .git/objects/pack/*.idx; do
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idx=$(basename $p)
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test "pack-$packsha1.idx" = "$idx" && continue
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if git verify-pack -v $p | egrep "^$objsha1"; then
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found_duplicate_object=1
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echo "DUPLICATE OBJECT FOUND"
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break
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fi
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done &&
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test "$found_duplicate_object" = 1
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'
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test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
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# build on $objsha1, $packsha1, and .keep state from previous
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git -c repack.writebitmaps=true repack -Adl &&
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test_when_finished "found_duplicate_object=" &&
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for p in .git/objects/pack/*.idx; do
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idx=$(basename $p)
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test "pack-$packsha1.idx" = "$idx" && continue
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if git verify-pack -v $p | egrep "^$objsha1"; then
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found_duplicate_object=1
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echo "DUPLICATE OBJECT FOUND"
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break
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fi
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done &&
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test "$found_duplicate_object" = 1
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'
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test_expect_success 'loose objects in alternate ODB are not repacked' '
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mkdir alt_objects &&
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echo $(pwd)/alt_objects > .git/objects/info/alternates &&
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echo content3 > file3 &&
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objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
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git add file3 &&
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test_tick &&
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git commit -m commit_file3 &&
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git repack -a -d -l &&
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git prune-packed &&
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for p in .git/objects/pack/*.idx; do
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if git verify-pack -v $p | egrep "^$objsha1"; then
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found_duplicate_object=1
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echo "DUPLICATE OBJECT FOUND"
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break
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fi
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done &&
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test -z "$found_duplicate_object"
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'
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test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
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mkdir alt_objects/pack &&
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mv .git/objects/pack/* alt_objects/pack &&
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git repack -a &&
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myidx=$(ls -1 .git/objects/pack/*.idx) &&
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test -f "$myidx" &&
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for p in alt_objects/pack/*.idx; do
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git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
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done | while read sha1 rest; do
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if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
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echo "Missing object in local pack: $sha1"
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return 1
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fi
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done
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'
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test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
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rm -f .git/objects/pack/* &&
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echo new_content >> file1 &&
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git add file1 &&
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test_tick &&
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git commit -m more_content &&
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git repack &&
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git repack -a -d &&
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myidx=$(ls -1 .git/objects/pack/*.idx) &&
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test -f "$myidx" &&
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for p in alt_objects/pack/*.idx; do
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git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
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done | while read sha1 rest; do
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if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
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echo "Missing object in local pack: $sha1"
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return 1
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fi
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done
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'
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test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
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# swap the .keep so the commit object is in the pack with .keep
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for p in alt_objects/pack/*.pack
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do
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base_name=$(basename $p .pack) &&
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if test -f alt_objects/pack/$base_name.keep
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then
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rm alt_objects/pack/$base_name.keep
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else
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touch alt_objects/pack/$base_name.keep
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fi
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done &&
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git repack -a -d &&
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myidx=$(ls -1 .git/objects/pack/*.idx) &&
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test -f "$myidx" &&
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for p in alt_objects/pack/*.idx; do
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git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p"
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done | while read sha1 rest; do
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if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then
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echo "Missing object in local pack: $sha1"
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return 1
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fi
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done
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'
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test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
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rm -f alt_objects/pack/*.keep &&
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mv .git/objects/pack/* alt_objects/pack/ &&
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csha1=$(git rev-parse HEAD^{commit}) &&
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git reset --hard HEAD^ &&
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test_tick &&
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git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
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# The pack-objects call on the next line is equivalent to
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# git repack -A -d without the call to prune-packed
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git pack-objects --honor-pack-keep --non-empty --all --reflog \
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--unpack-unreachable </dev/null pack &&
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rm -f .git/objects/pack/* &&
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mv pack-* .git/objects/pack/ &&
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test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
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egrep "^$csha1 " | sort | uniq | wc -l) &&
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echo > .git/objects/info/alternates &&
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test_must_fail git show $csha1
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'
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test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
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echo $(pwd)/alt_objects > .git/objects/info/alternates &&
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echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
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rm -f .git/objects/pack/* &&
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mv pack-* .git/objects/pack/ &&
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# The pack-objects call on the next line is equivalent to
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# git repack -A -d without the call to prune-packed
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git pack-objects --honor-pack-keep --non-empty --all --reflog \
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--unpack-unreachable </dev/null pack &&
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rm -f .git/objects/pack/* &&
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mv pack-* .git/objects/pack/ &&
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test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
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egrep "^$csha1 " | sort | uniq | wc -l) &&
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echo > .git/objects/info/alternates &&
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test_must_fail git show $csha1
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'
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test_expect_success 'objects made unreachable by grafts only are kept' '
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test_tick &&
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git commit --allow-empty -m "commit 4" &&
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H0=$(git rev-parse HEAD) &&
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H1=$(git rev-parse HEAD^) &&
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H2=$(git rev-parse HEAD^^) &&
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echo "$H0 $H2" > .git/info/grafts &&
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git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
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git repack -a -d &&
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git cat-file -t $H1
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'
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test_expect_success 'repack --keep-pack' '
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test_create_repo keep-pack &&
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(
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cd keep-pack &&
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P1=$(commit_and_pack 1) &&
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P2=$(commit_and_pack 2) &&
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P3=$(commit_and_pack 3) &&
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P4=$(commit_and_pack 4) &&
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ls .git/objects/pack/*.pack >old-counts &&
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test_line_count = 4 old-counts &&
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git repack -a -d --keep-pack $P1 --keep-pack $P4 &&
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ls .git/objects/pack/*.pack >new-counts &&
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grep -q $P1 new-counts &&
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grep -q $P4 new-counts &&
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test_line_count = 3 new-counts &&
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git fsck
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)
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'
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test_expect_success 'bitmaps are created by default in bare repos' '
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git clone --bare .git bare.git &&
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git -C bare.git repack -ad &&
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bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
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test_path_is_file "$bitmap"
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'
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test_expect_success 'incremental repack does not complain' '
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git -C bare.git repack -q 2>repack.err &&
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test_must_be_empty repack.err
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'
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test_expect_success 'bitmaps can be disabled on bare repos' '
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git -c repack.writeBitmaps=false -C bare.git repack -ad &&
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bitmap=$(ls bare.git/objects/pack/*.bitmap 2>/dev/null || :) &&
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test -z "$bitmap"
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'
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test_done
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