| #!/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 ($state)" ' |
| git rev-list --objects --use-bitmap-index HEAD >tmp && |
| cut -d" " -f1 <tmp >tmp2 && |
| sort <tmp2 >actual && |
| git rev-list --objects HEAD >tmp && |
| cut -d" " -f1 <tmp >tmp2 && |
| sort <tmp2 >expect && |
| test_cmp expect actual |
| ' |
| |
| test_expect_success "bitmap --objects handles non-commit objects ($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=$(git pack-objects pack2 <keepobjects) && |
| mv pack2-$pack2.* .git/objects/pack/ && |
| >.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=$(git pack-objects --no-use-bitmap-index --all packa </dev/null) && |
| packbsha1=$(git pack-objects --use-bitmap-index --all packb </dev/null) && |
| list_packed_objects packa-$packasha1.idx >packa.objects && |
| list_packed_objects packb-$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 <revs2 >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 <revs >/dev/null |
| ' |
| |
| test_expect_success 'pack with missing tree' ' |
| rm $(objpath $tree) && |
| git pack-objects --stdout --revs <revs >/dev/null |
| ' |
| |
| test_expect_success 'pack with missing parent' ' |
| rm $(objpath $parent) && |
| git pack-objects --stdout --revs <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 |
| >${i%.pack}.keep |
| done && |
| reusable_pack --honor-pack-keep >empty.pack && |
| git index-pack empty.pack && |
| git show-index <empty.idx >actual && |
| test_must_be_empty actual |
| ' |
| |
| test_expect_success 'pack reuse respects --local' ' |
| mv .git/objects/pack/* alt.git/objects/pack/ && |
| test_when_finished "mv alt.git/objects/pack/* .git/objects/pack/" && |
| reusable_pack --local >empty.pack && |
| git index-pack empty.pack && |
| git show-index <empty.idx >actual && |
| test_must_be_empty actual |
| ' |
| |
| test_expect_success 'pack reuse respects --incremental' ' |
| reusable_pack --incremental >empty.pack && |
| git index-pack empty.pack && |
| git show-index <empty.idx >actual && |
| test_must_be_empty actual |
| ' |
| |
| test_expect_success 'truncated bitmap fails gracefully' ' |
| git repack -ad && |
| git rev-list --use-bitmap-index --count --all >expect && |
| bitmap=$(ls .git/objects/pack/*.bitmap) && |
| test_when_finished "rm -f $bitmap" && |
| test_copy_bytes 512 <$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 |