From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:47:53 +0200 Subject: Adding upstream version 1:2.39.2. Signed-off-by: Daniel Baumann --- t/t7700-repack.sh | 683 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 683 insertions(+) create mode 100755 t/t7700-repack.sh (limited to 't/t7700-repack.sh') diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh new file mode 100755 index 0000000..4aabe98 --- /dev/null +++ b/t/t7700-repack.sh @@ -0,0 +1,683 @@ +#!/bin/sh + +test_description='git repack works correctly' + +. ./test-lib.sh +. "${TEST_DIRECTORY}/lib-bitmap.sh" +. "${TEST_DIRECTORY}/lib-midx.sh" +. "${TEST_DIRECTORY}/lib-terminal.sh" + +commit_and_pack () { + test_commit "$@" 1>&2 && + incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack orig.raw && + sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw | sort >orig && + git verify-pack -v $myidx >dest.raw && + cut -d" " -f1 dest.raw | sort >dest && + comm -23 orig dest >missing && + test_must_be_empty missing +} + +# we expect $packid and $oid to be defined +test_has_duplicate_object () { + want_duplicate_object="$1" + found_duplicate_object=false + for p in .git/objects/pack/*.idx + do + idx=$(basename $p) + test "pack-$packid.idx" = "$idx" && continue + git verify-pack -v $p >packlist || return $? + if grep "^$oid" packlist + then + found_duplicate_object=true + echo "DUPLICATE OBJECT FOUND" + break + fi + done && + test "$want_duplicate_object" = "$found_duplicate_object" +} + +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 >objs && + grep -v file2 objs | git pack-objects pack && + # The second pack will contain the excluded object + packid=$(grep file2 objs | git pack-objects pack) && + >pack-$packid.keep && + git verify-pack -v pack-$packid.idx >packlist && + oid=$(head -n 1 packlist | sed -e "s/^\($OID_REGEX\).*/\1/") && + mv pack-* .git/objects/pack/ && + git repack -A -d -l && + git prune-packed && + test_has_duplicate_object false +' + +test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' ' + # build on $oid, $packid, and .keep state from previous + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 git repack -Adbl && + test_has_duplicate_object true +' + +test_expect_success 'writing bitmaps via config can duplicate .keep objects' ' + # build on $oid, $packid, and .keep state from previous + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \ + git -c repack.writebitmaps=true repack -Adl && + test_has_duplicate_object true +' + +test_expect_success 'loose objects in alternate ODB are not repacked' ' + mkdir alt_objects && + echo $(pwd)/alt_objects >.git/objects/info/alternates && + echo content3 >file3 && + oid=$(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 && + test_has_duplicate_object false +' + +test_expect_success SYMLINKS '--local keeps packs when alternate is objectdir ' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + ( + cd repo && + git repack -a && + ls .git/objects/pack/*.pack >../expect && + ln -s objects .git/alt_objects && + echo "$(pwd)/.git/alt_objects" >.git/objects/info/alternates && + git repack -a -d -l && + ls .git/objects/pack/*.pack >../actual + ) && + test_cmp expect actual +' + +test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' ' + mkdir alt_objects/pack && + mv .git/objects/pack/* alt_objects/pack && + git repack -a && + test_no_missing_in_packs +' + +test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' ' + rm -f .git/objects/pack/* && + echo new_content >>file1 && + git add file1 && + test_tick && + git commit -m more_content && + git repack && + git repack -a -d && + test_no_missing_in_packs +' + +test_expect_success 'packed obs in alternate ODB kept pack are repacked' ' + # swap the .keep so the commit object is in the pack with .keep + for p in alt_objects/pack/*.pack + do + base_name=$(basename $p .pack) && + if test_path_is_file alt_objects/pack/$base_name.keep + then + rm alt_objects/pack/$base_name.keep + else + touch alt_objects/pack/$base_name.keep + fi || return 1 + done && + git repack -a -d && + test_no_missing_in_packs +' + +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/ && + coid=$(git rev-parse HEAD^{commit}) && + git reset --hard HEAD^ && + test_tick && + git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all && + # The pack-objects call on the next line is equivalent to + # git repack -A -d without the call to prune-packed + git pack-objects --honor-pack-keep --non-empty --all --reflog \ + --unpack-unreachable packlist && + ! grep "^$coid " packlist && + echo >.git/objects/info/alternates && + test_must_fail git show $coid +' + +test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' ' + echo $(pwd)/alt_objects >.git/objects/info/alternates && + echo "$coid" | 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 packlist && + ! grep "^$coid " && + echo >.git/objects/info/alternates && + test_must_fail git show $coid +' + +test_expect_success 'objects made unreachable by grafts only are kept' ' + test_tick && + git commit --allow-empty -m "commit 4" && + H0=$(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 $P4 new-counts && + test_line_count = 3 new-counts && + git fsck + ) +' + +test_expect_success 'bitmaps are created by default in bare repos' ' + git clone --bare .git bare.git && + rm -f bare.git/objects/pack/*.bitmap && + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \ + git -C bare.git repack -ad && + bitmap=$(ls bare.git/objects/pack/*.bitmap) && + test_path_is_file "$bitmap" +' + +test_expect_success 'incremental repack does not complain' ' + git -C bare.git repack -q 2>repack.err && + test_must_be_empty repack.err +' + +test_expect_success 'bitmaps can be disabled on bare repos' ' + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \ + git -c repack.writeBitmaps=false -C bare.git repack -ad && + bitmap=$(ls bare.git/objects/pack/*.bitmap || :) && + test -z "$bitmap" +' + +test_expect_success 'no bitmaps created if .keep files present' ' + pack=$(ls bare.git/objects/pack/*.pack) && + test_path_is_file "$pack" && + keep=${pack%.pack}.keep && + test_when_finished "rm -f \"\$keep\"" && + >"$keep" && + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \ + git -C bare.git repack -ad 2>stderr && + test_must_be_empty stderr && + find bare.git/objects/pack/ -type f -name "*.bitmap" >actual && + test_must_be_empty actual +' + +test_expect_success 'auto-bitmaps do not complain if unavailable' ' + test_config -C bare.git pack.packSizeLimit 1M && + blob=$(test-tool genrandom big $((1024*1024)) | + git -C bare.git hash-object -w --stdin) && + git -C bare.git update-ref refs/tags/big $blob && + GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \ + git -C bare.git repack -ad 2>stderr && + test_must_be_empty stderr && + find bare.git/objects/pack -type f -name "*.bitmap" >actual && + test_must_be_empty actual +' + +objdir=.git/objects +midx=$objdir/pack/multi-pack-index + +test_expect_success 'setup for --write-midx tests' ' + git init midx && + ( + cd midx && + git config core.multiPackIndex true && + + test_commit base + ) +' + +test_expect_success '--write-midx unchanged' ' + ( + cd midx && + GIT_TEST_MULTI_PACK_INDEX=0 git repack && + test_path_is_missing $midx && + test_path_is_missing $midx-*.bitmap && + + GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx && + + test_path_is_file $midx && + test_path_is_missing $midx-*.bitmap && + test_midx_consistent $objdir + ) +' + +test_expect_success '--write-midx with a new pack' ' + ( + cd midx && + test_commit loose && + + GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx && + + test_path_is_file $midx && + test_path_is_missing $midx-*.bitmap && + test_midx_consistent $objdir + ) +' + +test_expect_success '--write-midx with -b' ' + ( + cd midx && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb && + + test_path_is_file $midx && + test_path_is_file $midx-*.bitmap && + test_midx_consistent $objdir + ) +' + +test_expect_success '--write-midx with -d' ' + ( + cd midx && + test_commit repack && + + GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx && + + test_path_is_file $midx && + test_path_is_missing $midx-*.bitmap && + test_midx_consistent $objdir + ) +' + +test_expect_success 'cleans up MIDX when appropriate' ' + ( + cd midx && + + test_commit repack-2 && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx && + + checksum=$(midx_checksum $objdir) && + test_path_is_file $midx && + test_path_is_file $midx-$checksum.bitmap && + + test_commit repack-3 && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx && + + test_path_is_file $midx && + test_path_is_missing $midx-$checksum.bitmap && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + + test_commit repack-4 && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb && + + find $objdir/pack -type f -name "multi-pack-index*" >files && + test_must_be_empty files + ) +' + +test_expect_success '--write-midx with preferred bitmap tips' ' + git init midx-preferred-tips && + test_when_finished "rm -fr midx-preferred-tips" && + ( + cd midx-preferred-tips && + + test_commit_bulk --message="%s" 103 && + + git log --format="%H" >commits.raw && + sort commits && + + git log --format="create refs/tags/%s/%s %H" HEAD >refs && + git update-ref --stdin bitmaps && + comm -13 bitmaps commits >before && + test_line_count = 1 before && + + rm -fr $midx-$(midx_checksum $objdir).bitmap && + rm -fr $midx && + + # instead of constructing the snapshot ourselves (c.f., the test + # "write a bitmap with --refs-snapshot (preferred tips)" in + # t5326), mark the missing commit as preferred by adding it to + # the pack.preferBitmapTips configuration. + git for-each-ref --format="%(refname:rstrip=1)" \ + --points-at="$(cat before)" >missing && + git config pack.preferBitmapTips "$(cat missing)" && + git repack --write-midx --write-bitmap-index && + + test-tool bitmap list-commits | sort >bitmaps && + comm -13 bitmaps commits >after && + + ! test_cmp before after + ) +' + +# The first argument is expected to be a filename +# and that file should contain the name of a .idx +# file. Send the list of objects in that .idx file +# into stdout. +get_sorted_objects_from_pack () { + git show-index <$(cat "$1") >raw && + cut -d" " -f2 raw +} + +test_expect_success '--write-midx -b packs non-kept objects' ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + + # Create a kept pack-file + test_commit base && + git repack -ad && + find $objdir/pack -name "*.idx" >before && + test_line_count = 1 before && + before_name=$(cat before) && + >${before_name%.idx}.keep && + + # Create a non-kept pack-file + test_commit other && + git repack && + + # Create loose objects + test_commit loose && + + # Repack everything + git repack --write-midx -a -b -d && + + # There should be two pack-files now, the + # old, kept pack and the new, non-kept pack. + find $objdir/pack -name "*.idx" | sort >after && + test_line_count = 2 after && + find $objdir/pack -name "*.keep" >kept && + kept_name=$(cat kept) && + echo ${kept_name%.keep}.idx >kept-idx && + test_cmp before kept-idx && + + # Get object list from the kept pack. + get_sorted_objects_from_pack before >old.objects && + + # Get object list from the one non-kept pack-file + comm -13 before after >new-pack && + test_line_count = 1 new-pack && + get_sorted_objects_from_pack new-pack >new.objects && + + # None of the objects in the new pack should + # exist within the kept pack. + comm -12 old.objects new.objects >shared.objects && + test_must_be_empty shared.objects + ) +' + +test_expect_success '--write-midx removes stale pack-based bitmaps' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit base && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ab && + + pack_bitmap=$(ls $objdir/pack/pack-*.bitmap) && + test_path_is_file "$pack_bitmap" && + + test_commit tip && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -bm && + + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test_path_is_missing $pack_bitmap + ) +' + +test_expect_success '--write-midx with --pack-kept-objects' ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + + test_commit one && + test_commit two && + + one="$(echo "one" | git pack-objects --revs $objdir/pack/pack)" && + two="$(echo "one..two" | git pack-objects --revs $objdir/pack/pack)" && + + keep="$objdir/pack/pack-$one.keep" && + touch "$keep" && + + 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 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 $objdir/pack/pack expect.raw && + sort expect.raw >expect && + + # moved.want holds the set of objects we expect to find + # in expired.git + git rev-list --objects --no-object-names main..stale >out && + sort out >moved.want && + + git checkout main && + git branch -D stale recent && + git reflog expire --all --expire=all && + git prune-packed && + + git init --bare expired.git && + git repack -d \ + --cruft --cruft-expiration=5.minutes.ago \ + --expire-to="expired.git/objects/pack/pack" && + + # Some of the remaining objects in this repository are + # unreachable, so use `cat-file --batch-all-objects` + # instead of `rev-list` to get their names + git cat-file --batch-all-objects --batch-check="%(objectname)" \ + >remaining.objects && + sort remaining.objects >actual && + test_cmp expect actual && + + ( + cd expired.git && + + expired="$(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 -- cgit v1.2.3