diff options
Diffstat (limited to 't/t5326-multi-pack-bitmaps.sh')
-rwxr-xr-x | t/t5326-multi-pack-bitmaps.sh | 421 |
1 files changed, 240 insertions, 181 deletions
diff --git a/t/t5326-multi-pack-bitmaps.sh b/t/t5326-multi-pack-bitmaps.sh index 89ecd1062c..ad6eea5fa0 100755 --- a/t/t5326-multi-pack-bitmaps.sh +++ b/t/t5326-multi-pack-bitmaps.sh @@ -15,17 +15,24 @@ GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 sane_unset GIT_TEST_MIDX_WRITE_REV sane_unset GIT_TEST_MIDX_READ_RIDX -midx_bitmap_core - bitmap_reuse_tests() { from=$1 to=$2 + writeLookupTable=false + + for i in $3-${$#} + do + case $i in + "pack.writeBitmapLookupTable") writeLookupTable=true;; + esac + done test_expect_success "setup pack reuse tests ($from -> $to)" ' rm -fr repo && git init repo && ( cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && test_commit_bulk 16 && git tag old-tip && @@ -43,6 +50,7 @@ bitmap_reuse_tests() { test_expect_success "build bitmap from existing ($from -> $to)" ' ( cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && test_commit_bulk --id=further 16 && git tag new-tip && @@ -59,6 +67,7 @@ bitmap_reuse_tests() { test_expect_success "verify resulting bitmaps ($from -> $to)" ' ( cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && git for-each-ref && git rev-list --test-bitmap refs/tags/old-tip && git rev-list --test-bitmap refs/tags/new-tip @@ -66,244 +75,294 @@ bitmap_reuse_tests() { ' } -bitmap_reuse_tests 'pack' 'MIDX' -bitmap_reuse_tests 'MIDX' 'pack' -bitmap_reuse_tests 'MIDX' 'MIDX' +test_midx_bitmap_cases () { + writeLookupTable=false + writeBitmapLookupTable= + + for i in "$@" + do + case $i in + "pack.writeBitmapLookupTable") + writeLookupTable=true + writeBitmapLookupTable="$i" + ;; + esac + done + + test_expect_success 'setup test_repository' ' + rm -rf * .git && + git init && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' + ' -test_expect_success 'missing object closure fails gracefully' ' - rm -fr repo && - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + midx_bitmap_core - test_commit loose && - test_commit packed && + bitmap_reuse_tests 'pack' 'MIDX' "$writeBitmapLookupTable" + bitmap_reuse_tests 'MIDX' 'pack' "$writeBitmapLookupTable" + bitmap_reuse_tests 'MIDX' 'MIDX' "$writeBitmapLookupTable" - # Do not pass "--revs"; we want a pack without the "loose" - # commit. - git pack-objects $objdir/pack/pack <<-EOF && - $(git rev-parse packed) - EOF + test_expect_success 'missing object closure fails gracefully' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && - test_must_fail git multi-pack-index write --bitmap 2>err && - grep "doesn.t have full closure" err && - test_path_is_missing $midx - ) -' + test_commit loose && + test_commit packed && -midx_bitmap_partial_tests + # Do not pass "--revs"; we want a pack without the "loose" + # commit. + git pack-objects $objdir/pack/pack <<-EOF && + $(git rev-parse packed) + EOF -test_expect_success 'removing a MIDX clears stale bitmaps' ' - rm -fr repo && - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && - test_commit base && - git repack && - git multi-pack-index write --bitmap && + test_must_fail git multi-pack-index write --bitmap 2>err && + grep "doesn.t have full closure" err && + test_path_is_missing $midx + ) + ' - # Write a MIDX and bitmap; remove the MIDX but leave the bitmap. - stale_bitmap=$midx-$(midx_checksum $objdir).bitmap && - rm $midx && + midx_bitmap_partial_tests - # Then write a new MIDX. - test_commit new && - git repack && - git multi-pack-index write --bitmap && + test_expect_success 'removing a MIDX clears stale bitmaps' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && + test_commit base && + git repack && + git multi-pack-index write --bitmap && + + # Write a MIDX and bitmap; remove the MIDX but leave the bitmap. + stale_bitmap=$midx-$(midx_checksum $objdir).bitmap && + rm $midx && + + # Then write a new MIDX. + test_commit new && + git repack && + git multi-pack-index write --bitmap && + + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test_path_is_missing $stale_bitmap + ) + ' - test_path_is_file $midx && - test_path_is_file $midx-$(midx_checksum $objdir).bitmap && - test_path_is_missing $stale_bitmap - ) -' + test_expect_success 'pack.preferBitmapTips' ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && -test_expect_success 'pack.preferBitmapTips' ' - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + test_commit_bulk --message="%s" 103 && - test_commit_bulk --message="%s" 103 && + git log --format="%H" >commits.raw && + sort <commits.raw >commits && - git log --format="%H" >commits.raw && - sort <commits.raw >commits && + git log --format="create refs/tags/%s %H" HEAD >refs && + git update-ref --stdin <refs && - git log --format="create refs/tags/%s %H" HEAD >refs && - git update-ref --stdin <refs && + git multi-pack-index write --bitmap && + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && - git multi-pack-index write --bitmap && - test_path_is_file $midx && - test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test-tool bitmap list-commits | sort >bitmaps && + comm -13 bitmaps commits >before && + test_line_count = 1 before && - test-tool bitmap list-commits | sort >bitmaps && - comm -13 bitmaps commits >before && - test_line_count = 1 before && + perl -ne "printf(\"create refs/tags/include/%d \", $.); print" \ + <before | git update-ref --stdin && - perl -ne "printf(\"create refs/tags/include/%d \", $.); print" \ - <before | git update-ref --stdin && + rm -fr $midx-$(midx_checksum $objdir).bitmap && + rm -fr $midx && - rm -fr $midx-$(midx_checksum $objdir).bitmap && - rm -fr $midx && + git -c pack.preferBitmapTips=refs/tags/include \ + multi-pack-index write --bitmap && + test-tool bitmap list-commits | sort >bitmaps && + comm -13 bitmaps commits >after && - git -c pack.preferBitmapTips=refs/tags/include \ - multi-pack-index write --bitmap && - test-tool bitmap list-commits | sort >bitmaps && - comm -13 bitmaps commits >after && + ! test_cmp before after + ) + ' - ! test_cmp before after - ) -' + test_expect_success 'writing a bitmap with --refs-snapshot' ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && -test_expect_success 'writing a bitmap with --refs-snapshot' ' - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + test_commit one && + test_commit two && - test_commit one && - test_commit two && + git rev-parse one >snapshot && - git rev-parse one >snapshot && + git repack -ad && - git repack -ad && + # First, write a MIDX which see both refs/tags/one and + # refs/tags/two (causing both of those commits to receive + # bitmaps). + git multi-pack-index write --bitmap && - # First, write a MIDX which see both refs/tags/one and - # refs/tags/two (causing both of those commits to receive - # bitmaps). - git multi-pack-index write --bitmap && + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && - test_path_is_file $midx && - test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test-tool bitmap list-commits | sort >bitmaps && + grep "$(git rev-parse one)" bitmaps && + grep "$(git rev-parse two)" bitmaps && - test-tool bitmap list-commits | sort >bitmaps && - grep "$(git rev-parse one)" bitmaps && - grep "$(git rev-parse two)" bitmaps && + rm -fr $midx-$(midx_checksum $objdir).bitmap && + rm -fr $midx && - rm -fr $midx-$(midx_checksum $objdir).bitmap && - rm -fr $midx && + # Then again, but with a refs snapshot which only sees + # refs/tags/one. + git multi-pack-index write --bitmap --refs-snapshot=snapshot && - # Then again, but with a refs snapshot which only sees - # refs/tags/one. - git multi-pack-index write --bitmap --refs-snapshot=snapshot && + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && - test_path_is_file $midx && - test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test-tool bitmap list-commits | sort >bitmaps && + grep "$(git rev-parse one)" bitmaps && + ! grep "$(git rev-parse two)" bitmaps + ) + ' - test-tool bitmap list-commits | sort >bitmaps && - grep "$(git rev-parse one)" bitmaps && - ! grep "$(git rev-parse two)" bitmaps - ) -' + test_expect_success 'write a bitmap with --refs-snapshot (preferred tips)' ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && -test_expect_success 'write a bitmap with --refs-snapshot (preferred tips)' ' - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + test_commit_bulk --message="%s" 103 && - test_commit_bulk --message="%s" 103 && + git log --format="%H" >commits.raw && + sort <commits.raw >commits && - git log --format="%H" >commits.raw && - sort <commits.raw >commits && + git log --format="create refs/tags/%s %H" HEAD >refs && + git update-ref --stdin <refs && - git log --format="create refs/tags/%s %H" HEAD >refs && - git update-ref --stdin <refs && + git multi-pack-index write --bitmap && + test_path_is_file $midx && + test_path_is_file $midx-$(midx_checksum $objdir).bitmap && - git multi-pack-index write --bitmap && - test_path_is_file $midx && - test_path_is_file $midx-$(midx_checksum $objdir).bitmap && + test-tool bitmap list-commits | sort >bitmaps && + comm -13 bitmaps commits >before && + test_line_count = 1 before && + + ( + grep -vf before commits.raw && + # mark missing commits as preferred + sed "s/^/+/" before + ) >snapshot && - test-tool bitmap list-commits | sort >bitmaps && - comm -13 bitmaps commits >before && - test_line_count = 1 before && + rm -fr $midx-$(midx_checksum $objdir).bitmap && + rm -fr $midx && + git multi-pack-index write --bitmap --refs-snapshot=snapshot && + test-tool bitmap list-commits | sort >bitmaps && + comm -13 bitmaps commits >after && + + ! test_cmp before after + ) + ' + + test_expect_success 'hash-cache values are propagated from pack bitmaps' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && ( - grep -vf before commits.raw && - # mark missing commits as preferred - sed "s/^/+/" before - ) >snapshot && + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && - rm -fr $midx-$(midx_checksum $objdir).bitmap && - rm -fr $midx && + test_commit base && + test_commit base2 && + git repack -adb && - git multi-pack-index write --bitmap --refs-snapshot=snapshot && - test-tool bitmap list-commits | sort >bitmaps && - comm -13 bitmaps commits >after && + test-tool bitmap dump-hashes >pack.raw && + test_file_not_empty pack.raw && + sort pack.raw >pack.hashes && - ! test_cmp before after - ) -' + test_commit new && + git repack && + git multi-pack-index write --bitmap && -test_expect_success 'hash-cache values are propagated from pack bitmaps' ' - rm -fr repo && - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + test-tool bitmap dump-hashes >midx.raw && + sort midx.raw >midx.hashes && - test_commit base && - test_commit base2 && - git repack -adb && + # ensure that every namehash in the pack bitmap can be found in + # the midx bitmap (i.e., that there are no oid-namehash pairs + # unique to the pack bitmap). + comm -23 pack.hashes midx.hashes >dropped.hashes && + test_must_be_empty dropped.hashes + ) + ' - test-tool bitmap dump-hashes >pack.raw && - test_file_not_empty pack.raw && - sort pack.raw >pack.hashes && + test_expect_success 'no .bitmap is written without any objects' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && - test_commit new && - git repack && - git multi-pack-index write --bitmap && + empty="$(git pack-objects $objdir/pack/pack </dev/null)" && + cat >packs <<-EOF && + pack-$empty.idx + EOF - test-tool bitmap dump-hashes >midx.raw && - sort midx.raw >midx.hashes && + git multi-pack-index write --bitmap --stdin-packs \ + <packs 2>err && - # ensure that every namehash in the pack bitmap can be found in - # the midx bitmap (i.e., that there are no oid-namehash pairs - # unique to the pack bitmap). - comm -23 pack.hashes midx.hashes >dropped.hashes && - test_must_be_empty dropped.hashes - ) -' + grep "bitmap without any objects" err && -test_expect_success 'no .bitmap is written without any objects' ' - rm -fr repo && - git init repo && - test_when_finished "rm -fr repo" && - ( - cd repo && + test_path_is_file $midx && + test_path_is_missing $midx-$(midx_checksum $objdir).bitmap + ) + ' - empty="$(git pack-objects $objdir/pack/pack </dev/null)" && - cat >packs <<-EOF && - pack-$empty.idx - EOF + test_expect_success 'graceful fallback when missing reverse index' ' + rm -fr repo && + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + git config pack.writeBitmapLookupTable '"$writeLookupTable"' && - git multi-pack-index write --bitmap --stdin-packs \ - <packs 2>err && + test_commit base && - grep "bitmap without any objects" err && + # write a pack and MIDX bitmap containing base + git repack -adb && + git multi-pack-index write --bitmap && - test_path_is_file $midx && - test_path_is_missing $midx-$(midx_checksum $objdir).bitmap - ) -' + GIT_TEST_MIDX_READ_RIDX=0 \ + git rev-list --use-bitmap-index HEAD 2>err && + ! grep "ignoring extra bitmap file" err + ) + ' +} + +test_midx_bitmap_cases -test_expect_success 'graceful fallback when missing reverse index' ' +test_midx_bitmap_cases "pack.writeBitmapLookupTable" + +test_expect_success 'multi-pack-index write writes lookup table if enabled' ' rm -fr repo && git init repo && test_when_finished "rm -fr repo" && ( cd repo && - test_commit base && - - # write a pack and MIDX bitmap containing base - git repack -adb && - git multi-pack-index write --bitmap && - - GIT_TEST_MIDX_READ_RIDX=0 \ - git rev-list --use-bitmap-index HEAD 2>err && - ! grep "ignoring extra bitmap file" err + git config pack.writeBitmapLookupTable true && + git repack -ad && + GIT_TRACE2_EVENT="$(pwd)/trace" \ + git multi-pack-index write --bitmap && + grep "\"label\":\"writing_lookup_table\"" trace ) ' |