mirror of
https://github.com/git/git
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6789275d37
They are equivalents and the former still exists, so as long as the
only change this commit makes are to rewrite test_i18ngrep to
test_grep, there won't be any new bug, even if there still are
callers of test_i18ngrep remaining in the tree, or when merged to
other topics that add new uses of test_i18ngrep.
This patch was produced more or less with
git grep -l -e 'test_i18ngrep ' 't/t[0-9][0-9][0-9][0-9]-*.sh' |
xargs perl -p -i -e 's/test_i18ngrep /test_grep /'
and a good way to sanity check the result yourself is to run the
above in a checkout of c4603c1c (test framework: further deprecate
test_i18ngrep, 2023-10-31) and compare the resulting working tree
contents with the result of applying this patch to the same commit.
You'll see that test_i18ngrep in a few t/lib-*.sh files corrected,
in addition to the manual reproduction.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
530 lines
17 KiB
Bash
Executable file
530 lines
17 KiB
Bash
Executable file
#!/bin/sh
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test_description='exercise basic bitmap functionality'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-bitmap.sh
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# t5310 deals only with single-pack bitmaps, so don't write MIDX bitmaps in
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# their place.
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GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0
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# Likewise, allow individual tests to control whether or not they use
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# the boundary-based traversal.
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sane_unset GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL
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objpath () {
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echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')"
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}
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# show objects present in pack ($1 should be associated *.idx)
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list_packed_objects () {
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git show-index <"$1" >object-list &&
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cut -d' ' -f2 object-list
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}
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# has_any pattern-file content-file
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# tests whether content-file has any entry from pattern-file with entries being
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# whole lines.
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has_any () {
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grep -Ff "$1" "$2"
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}
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test_bitmap_cases () {
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writeLookupTable=false
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for i in "$@"
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do
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case "$i" in
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"pack.writeBitmapLookupTable") writeLookupTable=true;;
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esac
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done
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test_expect_success 'setup test repository' '
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rm -fr * .git &&
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git init &&
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git config pack.writeBitmapLookupTable '"$writeLookupTable"'
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'
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setup_bitmap_history
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test_expect_success 'setup writing bitmaps during repack' '
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git config repack.writeBitmaps true
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'
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test_expect_success 'full repack creates bitmaps' '
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GIT_TRACE2_EVENT="$(pwd)/trace" \
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git repack -ad &&
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ls .git/objects/pack/ | grep bitmap >output &&
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test_line_count = 1 output &&
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grep "\"key\":\"num_selected_commits\",\"value\":\"106\"" trace &&
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grep "\"key\":\"num_maximal_commits\",\"value\":\"107\"" trace
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'
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basic_bitmap_tests
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test_expect_success 'pack-objects respects --local (non-local loose)' '
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git init --bare alt.git &&
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echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
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echo content1 >file1 &&
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# non-local loose object which is not present in bitmapped pack
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altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
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# non-local loose object which is also present in bitmapped pack
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git cat-file blob $blob | GIT_DIR=alt.git git hash-object -w --stdin &&
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git add file1 &&
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test_tick &&
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git commit -m commit_file1 &&
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echo HEAD | git pack-objects --local --stdout --revs >1.pack &&
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git index-pack 1.pack &&
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list_packed_objects 1.idx >1.objects &&
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printf "%s\n" "$altblob" "$blob" >nonlocal-loose &&
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! has_any nonlocal-loose 1.objects
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'
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test_expect_success 'pack-objects respects --honor-pack-keep (local non-bitmapped pack)' '
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echo content2 >file2 &&
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blob2=$(git hash-object -w file2) &&
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git add file2 &&
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test_tick &&
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git commit -m commit_file2 &&
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printf "%s\n" "$blob2" "$bitmaptip" >keepobjects &&
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pack2=$(git pack-objects pack2 <keepobjects) &&
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mv pack2-$pack2.* .git/objects/pack/ &&
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>.git/objects/pack/pack2-$pack2.keep &&
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rm $(objpath $blob2) &&
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echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >2a.pack &&
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git index-pack 2a.pack &&
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list_packed_objects 2a.idx >2a.objects &&
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! has_any keepobjects 2a.objects
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'
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test_expect_success 'pack-objects respects --local (non-local pack)' '
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mv .git/objects/pack/pack2-$pack2.* alt.git/objects/pack/ &&
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echo HEAD | git pack-objects --local --stdout --revs >2b.pack &&
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git index-pack 2b.pack &&
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list_packed_objects 2b.idx >2b.objects &&
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! has_any keepobjects 2b.objects
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'
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test_expect_success 'pack-objects respects --honor-pack-keep (local bitmapped pack)' '
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ls .git/objects/pack/ | grep bitmap >output &&
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test_line_count = 1 output &&
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packbitmap=$(basename $(cat output) .bitmap) &&
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list_packed_objects .git/objects/pack/$packbitmap.idx >packbitmap.objects &&
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test_when_finished "rm -f .git/objects/pack/$packbitmap.keep" &&
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>.git/objects/pack/$packbitmap.keep &&
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echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >3a.pack &&
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git index-pack 3a.pack &&
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list_packed_objects 3a.idx >3a.objects &&
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! has_any packbitmap.objects 3a.objects
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'
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test_expect_success 'pack-objects respects --local (non-local bitmapped pack)' '
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mv .git/objects/pack/$packbitmap.* alt.git/objects/pack/ &&
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rm -f .git/objects/pack/multi-pack-index &&
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test_when_finished "mv alt.git/objects/pack/$packbitmap.* .git/objects/pack/" &&
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echo HEAD | git pack-objects --local --stdout --revs >3b.pack &&
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git index-pack 3b.pack &&
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list_packed_objects 3b.idx >3b.objects &&
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! has_any packbitmap.objects 3b.objects
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'
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test_expect_success 'pack-objects to file can use bitmap' '
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# make sure we still have 1 bitmap index from previous tests
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ls .git/objects/pack/ | grep bitmap >output &&
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test_line_count = 1 output &&
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# verify equivalent packs are generated with/without using bitmap index
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packasha1=$(git pack-objects --no-use-bitmap-index --all packa </dev/null) &&
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packbsha1=$(git pack-objects --use-bitmap-index --all packb </dev/null) &&
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list_packed_objects packa-$packasha1.idx >packa.objects &&
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list_packed_objects packb-$packbsha1.idx >packb.objects &&
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test_cmp packa.objects packb.objects
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'
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test_expect_success 'full repack, reusing previous bitmaps' '
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git repack -ad &&
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ls .git/objects/pack/ | grep bitmap >output &&
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test_line_count = 1 output
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'
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test_expect_success 'fetch (full bitmap)' '
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git --git-dir=clone.git fetch origin second:second &&
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git rev-parse HEAD >expect &&
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git --git-dir=clone.git rev-parse HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success 'create objects for missing-HAVE tests' '
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blob=$(echo "missing have" | git hash-object -w --stdin) &&
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tree=$(printf "100644 blob $blob\tfile\n" | git mktree) &&
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parent=$(echo parent | git commit-tree $tree) &&
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commit=$(echo commit | git commit-tree $tree -p $parent) &&
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cat >revs <<-EOF
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HEAD
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^HEAD^
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^$commit
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EOF
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'
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test_expect_success 'pack-objects respects --incremental' '
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cat >revs2 <<-EOF &&
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HEAD
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$commit
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EOF
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git pack-objects --incremental --stdout --revs <revs2 >4.pack &&
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git index-pack 4.pack &&
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list_packed_objects 4.idx >4.objects &&
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test_line_count = 4 4.objects &&
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git rev-list --objects $commit >revlist &&
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cut -d" " -f1 revlist |sort >objects &&
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test_cmp 4.objects objects
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'
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test_expect_success 'pack with missing blob' '
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rm $(objpath $blob) &&
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git pack-objects --stdout --revs <revs >/dev/null
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'
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test_expect_success 'pack with missing tree' '
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rm $(objpath $tree) &&
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git pack-objects --stdout --revs <revs >/dev/null
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'
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test_expect_success 'pack with missing parent' '
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rm $(objpath $parent) &&
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git pack-objects --stdout --revs <revs >/dev/null
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'
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test_expect_success JGIT,SHA1 'we can read jgit bitmaps' '
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git clone --bare . compat-jgit.git &&
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(
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cd compat-jgit.git &&
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rm -f objects/pack/*.bitmap &&
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jgit gc &&
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git rev-list --test-bitmap HEAD
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)
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'
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test_expect_success JGIT,SHA1 'jgit can read our bitmaps' '
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git clone --bare . compat-us.git &&
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(
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cd compat-us.git &&
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git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
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git repack -adb &&
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# jgit gc will barf if it does not like our bitmaps
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jgit gc
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)
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'
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test_expect_success 'splitting packs does not generate bogus bitmaps' '
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test-tool genrandom foo $((1024 * 1024)) >rand &&
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git add rand &&
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git commit -m "commit with big file" &&
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git -c pack.packSizeLimit=500k repack -adb &&
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git init --bare no-bitmaps.git &&
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git -C no-bitmaps.git fetch .. HEAD
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'
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test_expect_success 'set up reusable pack' '
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rm -f .git/objects/pack/*.keep &&
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git repack -adb &&
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reusable_pack () {
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git for-each-ref --format="%(objectname)" |
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git pack-objects --delta-base-offset --revs --stdout "$@"
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}
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'
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test_expect_success 'pack reuse respects --honor-pack-keep' '
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test_when_finished "rm -f .git/objects/pack/*.keep" &&
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for i in .git/objects/pack/*.pack
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do
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>${i%.pack}.keep || return 1
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done &&
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reusable_pack --honor-pack-keep >empty.pack &&
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git index-pack empty.pack &&
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git show-index <empty.idx >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'pack reuse respects --local' '
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mv .git/objects/pack/* alt.git/objects/pack/ &&
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test_when_finished "mv alt.git/objects/pack/* .git/objects/pack/" &&
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reusable_pack --local >empty.pack &&
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git index-pack empty.pack &&
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git show-index <empty.idx >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'pack reuse respects --incremental' '
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reusable_pack --incremental >empty.pack &&
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git index-pack empty.pack &&
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git show-index <empty.idx >actual &&
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test_must_be_empty actual
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'
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test_expect_success 'truncated bitmap fails gracefully (ewah)' '
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test_config pack.writebitmaphashcache false &&
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test_config pack.writebitmaplookuptable false &&
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git repack -ad &&
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git rev-list --use-bitmap-index --count --all >expect &&
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bitmap=$(ls .git/objects/pack/*.bitmap) &&
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test_when_finished "rm -f $bitmap" &&
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test_copy_bytes 256 <$bitmap >$bitmap.tmp &&
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mv -f $bitmap.tmp $bitmap &&
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git rev-list --use-bitmap-index --count --all >actual 2>stderr &&
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test_cmp expect actual &&
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test_grep corrupt.ewah.bitmap stderr
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'
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test_expect_success 'truncated bitmap fails gracefully (cache)' '
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git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
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git repack -ad &&
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git rev-list --use-bitmap-index --count --all >expect &&
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bitmap=$(ls .git/objects/pack/*.bitmap) &&
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test_when_finished "rm -f $bitmap" &&
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test_copy_bytes 512 <$bitmap >$bitmap.tmp &&
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mv -f $bitmap.tmp $bitmap &&
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git rev-list --use-bitmap-index --count --all >actual 2>stderr &&
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test_cmp expect actual &&
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test_grep corrupted.bitmap.index stderr
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'
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# Create a state of history with these properties:
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#
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# - refs that allow a client to fetch some new history, while sharing some old
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# history with the server; we use branches delta-reuse-old and
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# delta-reuse-new here
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#
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# - the new history contains an object that is stored on the server as a delta
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# against a base that is in the old history
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#
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# - the base object is not immediately reachable from the tip of the old
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# history; finding it would involve digging down through history we know the
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# other side has
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#
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# This should result in a state where fetching from old->new would not
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# traditionally reuse the on-disk delta (because we'd have to dig to realize
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# that the client has it), but we will do so if bitmaps can tell us cheaply
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# that the other side has it.
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test_expect_success 'set up thin delta-reuse parent' '
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# This first commit contains the buried base object.
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test-tool genrandom delta 16384 >file &&
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git add file &&
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git commit -m "delta base" &&
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base=$(git rev-parse --verify HEAD:file) &&
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# These intermediate commits bury the base back in history.
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# This becomes the "old" state.
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for i in 1 2 3 4 5
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do
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echo $i >file &&
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git commit -am "intermediate $i" || return 1
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done &&
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git branch delta-reuse-old &&
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# And now our new history has a delta against the buried base. Note
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# that this must be smaller than the original file, since pack-objects
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# prefers to create deltas from smaller objects to larger.
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test-tool genrandom delta 16300 >file &&
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git commit -am "delta result" &&
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delta=$(git rev-parse --verify HEAD:file) &&
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git branch delta-reuse-new &&
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# Repack with bitmaps and double check that we have the expected delta
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# relationship.
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git repack -adb &&
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have_delta $delta $base
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'
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# Now we can sanity-check the non-bitmap behavior (that the server is not able
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# to reuse the delta). This isn't strictly something we care about, so this
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# test could be scrapped in the future. But it makes sure that the next test is
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# actually triggering the feature we want.
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#
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# Note that our tools for working with on-the-wire "thin" packs are limited. So
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# we actually perform the fetch, retain the resulting pack, and inspect the
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# result.
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test_expect_success 'fetch without bitmaps ignores delta against old base' '
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test_config pack.usebitmaps false &&
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test_when_finished "rm -rf client.git" &&
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git init --bare client.git &&
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(
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cd client.git &&
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git config transfer.unpackLimit 1 &&
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git fetch .. delta-reuse-old:delta-reuse-old &&
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git fetch .. delta-reuse-new:delta-reuse-new &&
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have_delta $delta $ZERO_OID
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)
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'
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# And do the same for the bitmap case, where we do expect to find the delta.
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test_expect_success 'fetch with bitmaps can reuse old base' '
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test_config pack.usebitmaps true &&
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test_when_finished "rm -rf client.git" &&
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git init --bare client.git &&
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(
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cd client.git &&
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git config transfer.unpackLimit 1 &&
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git fetch .. delta-reuse-old:delta-reuse-old &&
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git fetch .. delta-reuse-new:delta-reuse-new &&
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have_delta $delta $base
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)
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'
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test_expect_success 'pack.preferBitmapTips' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
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# create enough commits that not all are receive bitmap
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# coverage even if they are all at the tip of some reference.
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test_commit_bulk --message="%s" 103 &&
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git rev-list HEAD >commits.raw &&
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sort <commits.raw >commits &&
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git log --format="create refs/tags/%s %H" HEAD >refs &&
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git update-ref --stdin <refs &&
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git repack -adb &&
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test-tool bitmap list-commits | sort >bitmaps &&
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# remember which commits did not receive bitmaps
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comm -13 bitmaps commits >before &&
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test_file_not_empty before &&
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# mark the commits which did not receive bitmaps as preferred,
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# and generate the bitmap again
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perl -pe "s{^}{create refs/tags/include/$. }" <before |
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git update-ref --stdin &&
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git -c pack.preferBitmapTips=refs/tags/include repack -adb &&
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# finally, check that the commit(s) without bitmap coverage
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# are not the same ones as before
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test-tool bitmap list-commits | sort >bitmaps &&
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comm -13 bitmaps commits >after &&
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! test_cmp before after
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)
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'
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test_expect_success 'pack.preferBitmapTips' '
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git init repo &&
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test_when_finished "rm -rf repo" &&
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(
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cd repo &&
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git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
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test_commit_bulk --message="%s" 103 &&
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cat >>.git/config <<-\EOF &&
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[pack]
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preferBitmapTips
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EOF
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cat >expect <<-\EOF &&
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error: missing value for '\''pack.preferbitmaptips'\''
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EOF
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git repack -adb 2>actual &&
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test_cmp expect actual
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)
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'
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test_expect_success 'complains about multiple pack bitmaps' '
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rm -fr repo &&
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
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test_commit base &&
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git repack -adb &&
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bitmap="$(ls .git/objects/pack/pack-*.bitmap)" &&
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mv "$bitmap" "$bitmap.bak" &&
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test_commit other &&
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git repack -ab &&
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mv "$bitmap.bak" "$bitmap" &&
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find .git/objects/pack -type f -name "*.pack" >packs &&
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find .git/objects/pack -type f -name "*.bitmap" >bitmaps &&
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test_line_count = 2 packs &&
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test_line_count = 2 bitmaps &&
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GIT_TRACE2_EVENT=$(pwd)/trace2.txt git rev-list --use-bitmap-index HEAD &&
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grep "opened bitmap" trace2.txt &&
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grep "ignoring extra bitmap" trace2.txt
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)
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'
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}
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test_bitmap_cases
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GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL=1
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export GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL
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test_bitmap_cases
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sane_unset GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL
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test_expect_success 'incremental repack fails when bitmaps are requested' '
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test_commit more-1 &&
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test_must_fail git repack -d 2>err &&
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test_grep "Incremental repacks are incompatible with bitmap" err
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'
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test_expect_success 'incremental repack can disable bitmaps' '
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test_commit more-2 &&
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git repack -d --no-write-bitmap-index
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'
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test_expect_success 'boundary-based traversal is used when requested' '
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git repack -a -d --write-bitmap-index &&
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for argv in \
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"git -c pack.useBitmapBoundaryTraversal=true" \
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"git -c feature.experimental=true" \
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"GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL=1 git"
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do
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eval "GIT_TRACE2_EVENT=1 $argv rev-list --objects \
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--use-bitmap-index second..other 2>perf" &&
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grep "\"region_enter\".*\"label\":\"haves/boundary\"" perf ||
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return 1
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done &&
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for argv in \
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"git -c pack.useBitmapBoundaryTraversal=false" \
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"git -c feature.experimental=true -c pack.useBitmapBoundaryTraversal=false" \
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"GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL=0 git -c pack.useBitmapBoundaryTraversal=true" \
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"GIT_TEST_PACK_USE_BITMAP_BOUNDARY_TRAVERSAL=0 git -c feature.experimental=true"
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do
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eval "GIT_TRACE2_EVENT=1 $argv rev-list --objects \
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--use-bitmap-index second..other 2>perf" &&
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grep "\"region_enter\".*\"label\":\"haves/classic\"" perf ||
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return 1
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done
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'
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test_bitmap_cases "pack.writeBitmapLookupTable"
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test_expect_success 'verify writing bitmap lookup table when enabled' '
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GIT_TRACE2_EVENT="$(pwd)/trace2" \
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git repack -ad &&
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grep "\"label\":\"writing_lookup_table\"" trace2
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'
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test_expect_success 'truncated bitmap fails gracefully (lookup table)' '
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test_config pack.writebitmaphashcache false &&
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git repack -adb &&
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git rev-list --use-bitmap-index --count --all >expect &&
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bitmap=$(ls .git/objects/pack/*.bitmap) &&
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test_when_finished "rm -f $bitmap" &&
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test_copy_bytes 512 <$bitmap >$bitmap.tmp &&
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mv -f $bitmap.tmp $bitmap &&
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git rev-list --use-bitmap-index --count --all >actual 2>stderr &&
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test_cmp expect actual &&
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test_grep corrupted.bitmap.index stderr
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'
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test_done
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