| #!/bin/sh |
| |
| test_description='git repack works correctly' |
| |
| . ./test-lib.sh |
| |
| commit_and_pack () { |
| test_commit "$@" 1>&2 && |
| incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) && |
| echo pack-${incrpackid}.pack |
| } |
| |
| test_no_missing_in_packs () { |
| myidx=$(ls -1 .git/objects/pack/*.idx) && |
| test_path_is_file "$myidx" && |
| git verify-pack -v alt_objects/pack/*.idx >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 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 -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 '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 |
| 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=$test_tick --all && |
| # The pack-objects call on the next line is equivalent to |
| # git repack -A -d without the call to prune-packed |
| git pack-objects --honor-pack-keep --non-empty --all --reflog \ |
| --unpack-unreachable </dev/null pack && |
| rm -f .git/objects/pack/* && |
| mv pack-* .git/objects/pack/ && |
| git verify-pack -v -- .git/objects/pack/*.idx >packlist && |
| ! grep "^$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 </dev/null pack && |
| rm -f .git/objects/pack/* && |
| mv pack-* .git/objects/pack/ && |
| git verify-pack -v -- .git/objects/pack/*.idx >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 $P4 new-counts && |
| test_line_count = 3 new-counts && |
| git fsck |
| ) |
| ' |
| |
| test_expect_success 'bitmaps are created by default in bare repos' ' |
| git clone --bare .git bare.git && |
| git -C bare.git repack -ad && |
| bitmap=$(ls bare.git/objects/pack/*.bitmap) && |
| test_path_is_file "$bitmap" |
| ' |
| |
| test_expect_success 'incremental repack does not complain' ' |
| git -C bare.git repack -q 2>repack.err && |
| test_must_be_empty repack.err |
| ' |
| |
| test_expect_success 'bitmaps can be disabled on bare repos' ' |
| git -c repack.writeBitmaps=false -C bare.git repack -ad && |
| bitmap=$(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\"" && |
| >"$keep" && |
| git -C bare.git repack -ad 2>stderr && |
| test_must_be_empty stderr && |
| find bare.git/objects/pack/ -type f -name "*.bitmap" >actual && |
| test_must_be_empty actual |
| ' |
| |
| test_expect_success 'auto-bitmaps do not complain if unavailable' ' |
| test_config -C bare.git pack.packSizeLimit 1M && |
| blob=$(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 -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_done |
