#!/bin/sh test_description='exercise basic bitmap functionality' . ./test-lib.sh objpath () { echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')" } # show objects present in pack ($1 should be associated *.idx) list_packed_objects () { git show-index <"$1" >object-list && cut -d' ' -f2 object-list } # has_any pattern-file content-file # tests whether content-file has any entry from pattern-file with entries being # whole lines. has_any () { grep -Ff "$1" "$2" } test_expect_success 'setup repo with moderate-sized history' ' for i in $(test_seq 1 10) do test_commit $i done && git checkout -b other HEAD~5 && for i in $(test_seq 1 10) do test_commit side-$i done && git checkout master && bitmaptip=$(git rev-parse master) && blob=$(echo tagged-blob | git hash-object -w --stdin) && git tag tagged-blob $blob && git config repack.writebitmaps true && git config pack.writebitmaphashcache true ' test_expect_success 'full repack creates bitmaps' ' git repack -ad && ls .git/objects/pack/ | grep bitmap >output && test_line_count = 1 output ' test_expect_success 'rev-list --test-bitmap verifies bitmaps' ' git rev-list --test-bitmap HEAD ' rev_list_tests() { state=$1 test_expect_success "counting commits via bitmap ($state)" ' git rev-list --count HEAD >expect && git rev-list --use-bitmap-index --count HEAD >actual && test_cmp expect actual ' test_expect_success "counting partial commits via bitmap ($state)" ' git rev-list --count HEAD~5..HEAD >expect && git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual && test_cmp expect actual ' test_expect_success "counting commits with limit ($state)" ' git rev-list --count -n 1 HEAD >expect && git rev-list --use-bitmap-index --count -n 1 HEAD >actual && test_cmp expect actual ' test_expect_success "counting non-linear history ($state)" ' git rev-list --count other...master >expect && git rev-list --use-bitmap-index --count other...master >actual && test_cmp expect actual ' test_expect_success "counting commits with limiting ($state)" ' git rev-list --count HEAD -- 1.t >expect && git rev-list --use-bitmap-index --count HEAD -- 1.t >actual && test_cmp expect actual ' test_expect_success "enumerate --objects ($state)" ' git rev-list --objects --use-bitmap-index HEAD >tmp && cut -d" " -f1 tmp2 && sort actual && git rev-list --objects HEAD >tmp && cut -d" " -f1 tmp2 && sort expect && test_cmp expect actual ' test_expect_success "bitmap --objects handles non-commit objects ($state)" ' git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual && grep $blob actual ' } rev_list_tests 'full bitmap' test_expect_success 'clone from bitmapped repository' ' git clone --no-local --bare . clone.git && git rev-parse HEAD >expect && git --git-dir=clone.git rev-parse HEAD >actual && test_cmp expect actual ' test_expect_success 'setup further non-bitmapped commits' ' for i in $(test_seq 1 10) do test_commit further-$i done ' rev_list_tests 'partial bitmap' test_expect_success 'fetch (partial bitmap)' ' git --git-dir=clone.git fetch origin master:master && git rev-parse HEAD >expect && git --git-dir=clone.git rev-parse HEAD >actual && test_cmp expect actual ' test_expect_success 'incremental repack fails when bitmaps are requested' ' test_commit more-1 && test_must_fail git repack -d 2>err && test_i18ngrep "Incremental repacks are incompatible with bitmap" err ' test_expect_success 'incremental repack can disable bitmaps' ' test_commit more-2 && git repack -d --no-write-bitmap-index ' test_expect_success 'pack-objects respects --local (non-local loose)' ' git init --bare alt.git && echo $(pwd)/alt.git/objects >.git/objects/info/alternates && echo content1 >file1 && # non-local loose object which is not present in bitmapped pack altblob=$(GIT_DIR=alt.git git hash-object -w file1) && # non-local loose object which is also present in bitmapped pack git cat-file blob $blob | GIT_DIR=alt.git git hash-object -w --stdin && git add file1 && test_tick && git commit -m commit_file1 && echo HEAD | git pack-objects --local --stdout --revs >1.pack && git index-pack 1.pack && list_packed_objects 1.idx >1.objects && printf "%s\n" "$altblob" "$blob" >nonlocal-loose && ! has_any nonlocal-loose 1.objects ' test_expect_success 'pack-objects respects --honor-pack-keep (local non-bitmapped pack)' ' echo content2 >file2 && blob2=$(git hash-object -w file2) && git add file2 && test_tick && git commit -m commit_file2 && printf "%s\n" "$blob2" "$bitmaptip" >keepobjects && pack2=$(git pack-objects pack2 .git/objects/pack/pack2-$pack2.keep && rm $(objpath $blob2) && echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >2a.pack && git index-pack 2a.pack && list_packed_objects 2a.idx >2a.objects && ! has_any keepobjects 2a.objects ' test_expect_success 'pack-objects respects --local (non-local pack)' ' mv .git/objects/pack/pack2-$pack2.* alt.git/objects/pack/ && echo HEAD | git pack-objects --local --stdout --revs >2b.pack && git index-pack 2b.pack && list_packed_objects 2b.idx >2b.objects && ! has_any keepobjects 2b.objects ' test_expect_success 'pack-objects respects --honor-pack-keep (local bitmapped pack)' ' ls .git/objects/pack/ | grep bitmap >output && test_line_count = 1 output && packbitmap=$(basename $(cat output) .bitmap) && list_packed_objects .git/objects/pack/$packbitmap.idx >packbitmap.objects && test_when_finished "rm -f .git/objects/pack/$packbitmap.keep" && >.git/objects/pack/$packbitmap.keep && echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >3a.pack && git index-pack 3a.pack && list_packed_objects 3a.idx >3a.objects && ! has_any packbitmap.objects 3a.objects ' test_expect_success 'pack-objects respects --local (non-local bitmapped pack)' ' mv .git/objects/pack/$packbitmap.* alt.git/objects/pack/ && test_when_finished "mv alt.git/objects/pack/$packbitmap.* .git/objects/pack/" && echo HEAD | git pack-objects --local --stdout --revs >3b.pack && git index-pack 3b.pack && list_packed_objects 3b.idx >3b.objects && ! has_any packbitmap.objects 3b.objects ' test_expect_success 'pack-objects to file can use bitmap' ' # make sure we still have 1 bitmap index from previous tests ls .git/objects/pack/ | grep bitmap >output && test_line_count = 1 output && # verify equivalent packs are generated with/without using bitmap index packasha1=$(git pack-objects --no-use-bitmap-index --all packa packa.objects && list_packed_objects packb-$packbsha1.idx >packb.objects && test_cmp packa.objects packb.objects ' test_expect_success 'full repack, reusing previous bitmaps' ' git repack -ad && ls .git/objects/pack/ | grep bitmap >output && test_line_count = 1 output ' test_expect_success 'fetch (full bitmap)' ' git --git-dir=clone.git fetch origin master:master && git rev-parse HEAD >expect && git --git-dir=clone.git rev-parse HEAD >actual && test_cmp expect actual ' test_expect_success 'create objects for missing-HAVE tests' ' blob=$(echo "missing have" | git hash-object -w --stdin) && tree=$(printf "100644 blob $blob\tfile\n" | git mktree) && parent=$(echo parent | git commit-tree $tree) && commit=$(echo commit | git commit-tree $tree -p $parent) && cat >revs <<-EOF HEAD ^HEAD^ ^$commit EOF ' test_expect_success 'pack-objects respects --incremental' ' cat >revs2 <<-EOF && HEAD $commit EOF git pack-objects --incremental --stdout --revs 4.pack && git index-pack 4.pack && list_packed_objects 4.idx >4.objects && test_line_count = 4 4.objects && git rev-list --objects $commit >revlist && cut -d" " -f1 revlist |sort >objects && test_cmp 4.objects objects ' test_expect_success 'pack with missing blob' ' rm $(objpath $blob) && git pack-objects --stdout --revs /dev/null ' test_expect_success 'pack with missing tree' ' rm $(objpath $tree) && git pack-objects --stdout --revs /dev/null ' test_expect_success 'pack with missing parent' ' rm $(objpath $parent) && git pack-objects --stdout --revs /dev/null ' test_expect_success JGIT 'we can read jgit bitmaps' ' git clone --bare . compat-jgit.git && ( cd compat-jgit.git && rm -f .git/objects/pack/*.bitmap && jgit gc && git rev-list --test-bitmap HEAD ) ' test_expect_success JGIT 'jgit can read our bitmaps' ' git clone --bare . compat-us.git && ( cd compat-us.git && git repack -adb && # jgit gc will barf if it does not like our bitmaps jgit gc ) ' test_expect_success 'splitting packs does not generate bogus bitmaps' ' test-tool genrandom foo $((1024 * 1024)) >rand && git add rand && git commit -m "commit with big file" && git -c pack.packSizeLimit=500k repack -adb && git init --bare no-bitmaps.git && git -C no-bitmaps.git fetch .. HEAD ' test_expect_success 'set up reusable pack' ' rm -f .git/objects/pack/*.keep && git repack -adb && reusable_pack () { git for-each-ref --format="%(objectname)" | git pack-objects --delta-base-offset --revs --stdout "$@" } ' test_expect_success 'pack reuse respects --honor-pack-keep' ' test_when_finished "rm -f .git/objects/pack/*.keep" && for i in .git/objects/pack/*.pack do >${i%.pack}.keep done && reusable_pack --honor-pack-keep >empty.pack && git index-pack empty.pack && git show-index actual && test_must_be_empty actual ' test_expect_success 'pack reuse respects --local' ' mv .git/objects/pack/* alt.git/objects/pack/ && test_when_finished "mv alt.git/objects/pack/* .git/objects/pack/" && reusable_pack --local >empty.pack && git index-pack empty.pack && git show-index actual && test_must_be_empty actual ' test_expect_success 'pack reuse respects --incremental' ' reusable_pack --incremental >empty.pack && git index-pack empty.pack && git show-index actual && test_must_be_empty actual ' test_expect_success 'truncated bitmap fails gracefully' ' git repack -ad && git rev-list --use-bitmap-index --count --all >expect && bitmap=$(ls .git/objects/pack/*.bitmap) && test_when_finished "rm -f $bitmap" && head -c 512 <$bitmap >$bitmap.tmp && mv -f $bitmap.tmp $bitmap && git rev-list --use-bitmap-index --count --all >actual 2>stderr && test_cmp expect actual && test_i18ngrep corrupt stderr ' test_done