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https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
f32996d99a
Resolve symbolic links when processing the locations of alternate object stores, since failing to do so can lead to confusing and buggy behavior. * gc/resolve-alternate-symlinks: object-file: use real paths when adding alternates
683 lines
19 KiB
Bash
Executable file
683 lines
19 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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. "${TEST_DIRECTORY}/lib-bitmap.sh"
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. "${TEST_DIRECTORY}/lib-midx.sh"
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. "${TEST_DIRECTORY}/lib-terminal.sh"
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commit_and_pack () {
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test_commit "$@" 1>&2 &&
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incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
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echo pack-${incrpackid}.pack
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}
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test_no_missing_in_packs () {
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myidx=$(ls -1 .git/objects/pack/*.idx) &&
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test_path_is_file "$myidx" &&
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git verify-pack -v alt_objects/pack/*.idx >orig.raw &&
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sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw | sort >orig &&
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git verify-pack -v $myidx >dest.raw &&
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cut -d" " -f1 dest.raw | sort >dest &&
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comm -23 orig dest >missing &&
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test_must_be_empty missing
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}
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# we expect $packid and $oid to be defined
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test_has_duplicate_object () {
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want_duplicate_object="$1"
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found_duplicate_object=false
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for p in .git/objects/pack/*.idx
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do
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idx=$(basename $p)
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test "pack-$packid.idx" = "$idx" && continue
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git verify-pack -v $p >packlist || return $?
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if grep "^$oid" packlist
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then
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found_duplicate_object=true
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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 "$want_duplicate_object" = "$found_duplicate_object"
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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 >objs &&
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grep -v file2 objs | git pack-objects pack &&
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# The second pack will contain the excluded object
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packid=$(grep file2 objs | git pack-objects pack) &&
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>pack-$packid.keep &&
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git verify-pack -v pack-$packid.idx >packlist &&
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oid=$(head -n 1 packlist | sed -e "s/^\($OID_REGEX\).*/\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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test_has_duplicate_object false
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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 $oid, $packid, and .keep state from previous
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 git repack -Adbl &&
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test_has_duplicate_object true
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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 $oid, $packid, and .keep state from previous
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
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git -c repack.writebitmaps=true repack -Adl &&
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test_has_duplicate_object true
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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 $(pwd)/alt_objects >.git/objects/info/alternates &&
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echo content3 >file3 &&
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oid=$(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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test_has_duplicate_object false
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'
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test_expect_success SYMLINKS '--local keeps packs when alternate is objectdir ' '
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test_when_finished "rm -rf repo" &&
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git init repo &&
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test_commit -C repo A &&
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(
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cd repo &&
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git repack -a &&
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ls .git/objects/pack/*.pack >../expect &&
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ln -s objects .git/alt_objects &&
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echo "$(pwd)/.git/alt_objects" >.git/objects/info/alternates &&
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git repack -a -d -l &&
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ls .git/objects/pack/*.pack >../actual
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) &&
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test_cmp expect actual
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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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test_no_missing_in_packs
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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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test_no_missing_in_packs
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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 $p .pack) &&
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if test_path_is_file alt_objects/pack/$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 || return 1
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done &&
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git repack -a -d &&
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test_no_missing_in_packs
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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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coid=$(git rev-parse HEAD^{commit}) &&
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git reset --hard HEAD^ &&
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test_tick &&
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git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
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# The pack-objects call on the next line is equivalent to
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# git repack -A -d without the call to prune-packed
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git pack-objects --honor-pack-keep --non-empty --all --reflog \
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--unpack-unreachable </dev/null pack &&
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rm -f .git/objects/pack/* &&
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mv pack-* .git/objects/pack/ &&
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git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
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! grep "^$coid " packlist &&
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echo >.git/objects/info/alternates &&
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test_must_fail git show $coid
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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 $(pwd)/alt_objects >.git/objects/info/alternates &&
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echo "$coid" | 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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git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
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! grep "^$coid " &&
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echo >.git/objects/info/alternates &&
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test_must_fail git show $coid
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'
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test_expect_success 'objects made unreachable by grafts only are kept' '
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test_tick &&
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git commit --allow-empty -m "commit 4" &&
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H0=$(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 $P4 new-counts &&
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test_line_count = 3 new-counts &&
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git fsck
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)
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'
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test_expect_success 'bitmaps are created by default in bare repos' '
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git clone --bare .git bare.git &&
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rm -f bare.git/objects/pack/*.bitmap &&
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
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git -C bare.git repack -ad &&
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bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
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test_path_is_file "$bitmap"
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'
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test_expect_success 'incremental repack does not complain' '
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git -C bare.git repack -q 2>repack.err &&
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test_must_be_empty repack.err
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'
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test_expect_success 'bitmaps can be disabled on bare repos' '
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
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git -c repack.writeBitmaps=false -C bare.git repack -ad &&
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bitmap=$(ls bare.git/objects/pack/*.bitmap || :) &&
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test -z "$bitmap"
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'
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test_expect_success 'no bitmaps created if .keep files present' '
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pack=$(ls bare.git/objects/pack/*.pack) &&
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test_path_is_file "$pack" &&
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keep=${pack%.pack}.keep &&
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test_when_finished "rm -f \"\$keep\"" &&
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>"$keep" &&
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
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git -C bare.git repack -ad 2>stderr &&
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test_must_be_empty stderr &&
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find bare.git/objects/pack/ -type f -name "*.bitmap" >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'auto-bitmaps do not complain if unavailable' '
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test_config -C bare.git pack.packSizeLimit 1M &&
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blob=$(test-tool genrandom big $((1024*1024)) |
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git -C bare.git hash-object -w --stdin) &&
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git -C bare.git update-ref refs/tags/big $blob &&
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
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git -C bare.git repack -ad 2>stderr &&
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test_must_be_empty stderr &&
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find bare.git/objects/pack -type f -name "*.bitmap" >actual &&
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test_must_be_empty actual
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'
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objdir=.git/objects
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midx=$objdir/pack/multi-pack-index
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test_expect_success 'setup for --write-midx tests' '
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git init midx &&
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(
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cd midx &&
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git config core.multiPackIndex true &&
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test_commit base
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)
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'
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test_expect_success '--write-midx unchanged' '
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(
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cd midx &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack &&
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test_path_is_missing $midx &&
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test_path_is_missing $midx-*.bitmap &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
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test_path_is_file $midx &&
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test_path_is_missing $midx-*.bitmap &&
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test_midx_consistent $objdir
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)
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'
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test_expect_success '--write-midx with a new pack' '
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(
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cd midx &&
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test_commit loose &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
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test_path_is_file $midx &&
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test_path_is_missing $midx-*.bitmap &&
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test_midx_consistent $objdir
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)
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'
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test_expect_success '--write-midx with -b' '
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(
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cd midx &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb &&
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test_path_is_file $midx &&
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test_path_is_file $midx-*.bitmap &&
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test_midx_consistent $objdir
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)
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'
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test_expect_success '--write-midx with -d' '
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(
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cd midx &&
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test_commit repack &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx &&
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test_path_is_file $midx &&
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test_path_is_missing $midx-*.bitmap &&
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test_midx_consistent $objdir
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)
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'
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test_expect_success 'cleans up MIDX when appropriate' '
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(
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cd midx &&
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test_commit repack-2 &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
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checksum=$(midx_checksum $objdir) &&
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test_path_is_file $midx &&
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test_path_is_file $midx-$checksum.bitmap &&
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test_commit repack-3 &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
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test_path_is_file $midx &&
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test_path_is_missing $midx-$checksum.bitmap &&
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test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
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test_commit repack-4 &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb &&
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find $objdir/pack -type f -name "multi-pack-index*" >files &&
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test_must_be_empty files
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)
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'
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test_expect_success '--write-midx with preferred bitmap tips' '
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git init midx-preferred-tips &&
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test_when_finished "rm -fr midx-preferred-tips" &&
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(
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cd midx-preferred-tips &&
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test_commit_bulk --message="%s" 103 &&
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git log --format="%H" >commits.raw &&
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sort <commits.raw >commits &&
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git log --format="create refs/tags/%s/%s %H" HEAD >refs &&
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git update-ref --stdin <refs &&
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git repack --write-midx --write-bitmap-index &&
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test_path_is_file $midx &&
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test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
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test-tool bitmap list-commits | sort >bitmaps &&
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comm -13 bitmaps commits >before &&
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test_line_count = 1 before &&
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rm -fr $midx-$(midx_checksum $objdir).bitmap &&
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rm -fr $midx &&
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# instead of constructing the snapshot ourselves (c.f., the test
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# "write a bitmap with --refs-snapshot (preferred tips)" in
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# t5326), mark the missing commit as preferred by adding it to
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# the pack.preferBitmapTips configuration.
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git for-each-ref --format="%(refname:rstrip=1)" \
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--points-at="$(cat before)" >missing &&
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git config pack.preferBitmapTips "$(cat missing)" &&
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git repack --write-midx --write-bitmap-index &&
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test-tool bitmap list-commits | sort >bitmaps &&
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comm -13 bitmaps commits >after &&
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! test_cmp before after
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)
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'
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# The first argument is expected to be a filename
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# and that file should contain the name of a .idx
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# file. Send the list of objects in that .idx file
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# into stdout.
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get_sorted_objects_from_pack () {
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git show-index <$(cat "$1") >raw &&
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cut -d" " -f2 raw
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}
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test_expect_success '--write-midx -b packs non-kept objects' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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# Create a kept pack-file
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test_commit base &&
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git repack -ad &&
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find $objdir/pack -name "*.idx" >before &&
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test_line_count = 1 before &&
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before_name=$(cat before) &&
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>${before_name%.idx}.keep &&
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# Create a non-kept pack-file
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test_commit other &&
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git repack &&
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# Create loose objects
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test_commit loose &&
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# Repack everything
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git repack --write-midx -a -b -d &&
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# There should be two pack-files now, the
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# old, kept pack and the new, non-kept pack.
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find $objdir/pack -name "*.idx" | sort >after &&
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test_line_count = 2 after &&
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find $objdir/pack -name "*.keep" >kept &&
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kept_name=$(cat kept) &&
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echo ${kept_name%.keep}.idx >kept-idx &&
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test_cmp before kept-idx &&
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# Get object list from the kept pack.
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get_sorted_objects_from_pack before >old.objects &&
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# Get object list from the one non-kept pack-file
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comm -13 before after >new-pack &&
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test_line_count = 1 new-pack &&
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get_sorted_objects_from_pack new-pack >new.objects &&
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# None of the objects in the new pack should
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# exist within the kept pack.
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comm -12 old.objects new.objects >shared.objects &&
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test_must_be_empty shared.objects
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)
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'
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test_expect_success '--write-midx removes stale pack-based bitmaps' '
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rm -fr repo &&
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit base &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ab &&
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pack_bitmap=$(ls $objdir/pack/pack-*.bitmap) &&
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test_path_is_file "$pack_bitmap" &&
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test_commit tip &&
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GIT_TEST_MULTI_PACK_INDEX=0 git repack -bm &&
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test_path_is_file $midx &&
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test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
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test_path_is_missing $pack_bitmap
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)
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'
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test_expect_success '--write-midx with --pack-kept-objects' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit one &&
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test_commit two &&
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one="$(echo "one" | git pack-objects --revs $objdir/pack/pack)" &&
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two="$(echo "one..two" | git pack-objects --revs $objdir/pack/pack)" &&
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keep="$objdir/pack/pack-$one.keep" &&
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touch "$keep" &&
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|
git repack --write-midx --write-bitmap-index --geometric=2 -d \
|
|
--pack-kept-objects &&
|
|
|
|
test_path_is_file $keep &&
|
|
test_path_is_file $midx &&
|
|
test_path_is_file $midx-$(midx_checksum $objdir).bitmap
|
|
)
|
|
'
|
|
|
|
test_expect_success TTY '--quiet disables progress' '
|
|
test_terminal env GIT_PROGRESS_DELAY=0 \
|
|
git -C midx repack -ad --quiet --write-midx 2>stderr &&
|
|
test_must_be_empty stderr
|
|
'
|
|
|
|
test_expect_success 'clean up .tmp-* packs on error' '
|
|
test_must_fail ok=sigpipe git \
|
|
-c repack.cruftwindow=bogus \
|
|
repack -ad --cruft &&
|
|
find $objdir/pack -name '.tmp-*' >tmpfiles &&
|
|
test_must_be_empty tmpfiles
|
|
'
|
|
|
|
test_expect_success 'repack -ad cleans up old .tmp-* packs' '
|
|
git rev-parse HEAD >input &&
|
|
git pack-objects $objdir/pack/.tmp-1234 <input &&
|
|
git repack -ad &&
|
|
find $objdir/pack -name '.tmp-*' >tmpfiles &&
|
|
test_must_be_empty tmpfiles
|
|
'
|
|
|
|
test_expect_success 'setup for update-server-info' '
|
|
git init update-server-info &&
|
|
test_commit -C update-server-info message
|
|
'
|
|
|
|
test_server_info_present () {
|
|
test_path_is_file update-server-info/.git/objects/info/packs &&
|
|
test_path_is_file update-server-info/.git/info/refs
|
|
}
|
|
|
|
test_server_info_missing () {
|
|
test_path_is_missing update-server-info/.git/objects/info/packs &&
|
|
test_path_is_missing update-server-info/.git/info/refs
|
|
}
|
|
|
|
test_server_info_cleanup () {
|
|
rm -f update-server-info/.git/objects/info/packs update-server-info/.git/info/refs &&
|
|
test_server_info_missing
|
|
}
|
|
|
|
test_expect_success 'updates server info by default' '
|
|
test_server_info_cleanup &&
|
|
git -C update-server-info repack &&
|
|
test_server_info_present
|
|
'
|
|
|
|
test_expect_success '-n skips updating server info' '
|
|
test_server_info_cleanup &&
|
|
git -C update-server-info repack -n &&
|
|
test_server_info_missing
|
|
'
|
|
|
|
test_expect_success 'repack.updateServerInfo=true updates server info' '
|
|
test_server_info_cleanup &&
|
|
git -C update-server-info -c repack.updateServerInfo=true repack &&
|
|
test_server_info_present
|
|
'
|
|
|
|
test_expect_success 'repack.updateServerInfo=false skips updating server info' '
|
|
test_server_info_cleanup &&
|
|
git -C update-server-info -c repack.updateServerInfo=false repack &&
|
|
test_server_info_missing
|
|
'
|
|
|
|
test_expect_success '-n overrides repack.updateServerInfo=true' '
|
|
test_server_info_cleanup &&
|
|
git -C update-server-info -c repack.updateServerInfo=true repack -n &&
|
|
test_server_info_missing
|
|
'
|
|
|
|
test_expect_success '--expire-to stores pruned objects (now)' '
|
|
git init expire-to-now &&
|
|
(
|
|
cd expire-to-now &&
|
|
|
|
git branch -M main &&
|
|
|
|
test_commit base &&
|
|
|
|
git checkout -b cruft &&
|
|
test_commit --no-tag cruft &&
|
|
|
|
git rev-list --objects --no-object-names main..cruft >moved.raw &&
|
|
sort moved.raw >moved.want &&
|
|
|
|
git rev-list --all --objects --no-object-names >expect.raw &&
|
|
sort expect.raw >expect &&
|
|
|
|
git checkout main &&
|
|
git branch -D cruft &&
|
|
git reflog expire --all --expire=all &&
|
|
|
|
git init --bare expired.git &&
|
|
git repack -d \
|
|
--cruft --cruft-expiration="now" \
|
|
--expire-to="expired.git/objects/pack/pack" &&
|
|
|
|
expired="$(ls expired.git/objects/pack/pack-*.idx)" &&
|
|
test_path_is_file "${expired%.idx}.mtimes" &&
|
|
|
|
# Since the `--cruft-expiration` is "now", the effective
|
|
# behavior is to move _all_ unreachable objects out to
|
|
# the location in `--expire-to`.
|
|
git show-index <$expired >expired.raw &&
|
|
cut -d" " -f2 expired.raw | sort >expired.objects &&
|
|
git rev-list --all --objects --no-object-names \
|
|
>remaining.objects &&
|
|
|
|
# ...in other words, the combined contents of this
|
|
# repository and expired.git should be the same as the
|
|
# set of objects we started with.
|
|
cat expired.objects remaining.objects | sort >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
# The "moved" objects (i.e., those in expired.git)
|
|
# should be the same as the cruft objects which were
|
|
# expired in the previous step.
|
|
test_cmp moved.want expired.objects
|
|
)
|
|
'
|
|
|
|
test_expect_success '--expire-to stores pruned objects (5.minutes.ago)' '
|
|
git init expire-to-5.minutes.ago &&
|
|
(
|
|
cd expire-to-5.minutes.ago &&
|
|
|
|
git branch -M main &&
|
|
|
|
test_commit base &&
|
|
|
|
# Create two classes of unreachable objects, one which
|
|
# is older than 5 minutes (stale), and another which is
|
|
# newer (recent).
|
|
for kind in stale recent
|
|
do
|
|
git checkout -b $kind main &&
|
|
test_commit --no-tag $kind || return 1
|
|
done &&
|
|
|
|
git rev-list --objects --no-object-names main..stale >in &&
|
|
stale="$(git pack-objects $objdir/pack/pack <in)" &&
|
|
mtime="$(test-tool chmtime --get =-600 $objdir/pack/pack-$stale.pack)" &&
|
|
|
|
# expect holds the set of objects we expect to find in
|
|
# this repository after repacking
|
|
git rev-list --objects --no-object-names recent >expect.raw &&
|
|
sort expect.raw >expect &&
|
|
|
|
# moved.want holds the set of objects we expect to find
|
|
# in expired.git
|
|
git rev-list --objects --no-object-names main..stale >out &&
|
|
sort out >moved.want &&
|
|
|
|
git checkout main &&
|
|
git branch -D stale recent &&
|
|
git reflog expire --all --expire=all &&
|
|
git prune-packed &&
|
|
|
|
git init --bare expired.git &&
|
|
git repack -d \
|
|
--cruft --cruft-expiration=5.minutes.ago \
|
|
--expire-to="expired.git/objects/pack/pack" &&
|
|
|
|
# Some of the remaining objects in this repository are
|
|
# unreachable, so use `cat-file --batch-all-objects`
|
|
# instead of `rev-list` to get their names
|
|
git cat-file --batch-all-objects --batch-check="%(objectname)" \
|
|
>remaining.objects &&
|
|
sort remaining.objects >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
(
|
|
cd expired.git &&
|
|
|
|
expired="$(ls objects/pack/pack-*.mtimes)" &&
|
|
test-tool pack-mtimes $(basename $expired) >out &&
|
|
cut -d" " -f1 out | sort >../moved.got &&
|
|
|
|
# Ensure that there are as many objects with the
|
|
# expected mtime as were moved to expired.git.
|
|
#
|
|
# In other words, ensure that the recorded
|
|
# mtimes of any moved objects was written
|
|
# correctly.
|
|
grep " $mtime$" out >matching &&
|
|
test_line_count = $(wc -l <../moved.want) matching
|
|
) &&
|
|
test_cmp moved.want moved.got
|
|
)
|
|
'
|
|
|
|
test_done
|