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![Junio C Hamano](/assets/img/avatar_default.png)
Splitting pack-objects output into multiple packs is incompatible with the use of reachability bitmap. * jk/pack-objects-no-bitmap-when-splitting: pack-objects: turn off bitmaps when we split packs
183 lines
4.6 KiB
Bash
Executable file
183 lines
4.6 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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objpath () {
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echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')"
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}
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test_expect_success 'setup repo with moderate-sized history' '
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for i in $(test_seq 1 10); do
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test_commit $i
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done &&
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git checkout -b other HEAD~5 &&
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for i in $(test_seq 1 10); do
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test_commit side-$i
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done &&
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git checkout master &&
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blob=$(echo tagged-blob | git hash-object -w --stdin) &&
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git tag tagged-blob $blob &&
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git config repack.writebitmaps true &&
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git config pack.writebitmaphashcache true
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'
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test_expect_success 'full repack creates 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 'rev-list --test-bitmap verifies bitmaps' '
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git rev-list --test-bitmap HEAD
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'
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rev_list_tests() {
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state=$1
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test_expect_success "counting commits via bitmap ($state)" '
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git rev-list --count HEAD >expect &&
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git rev-list --use-bitmap-index --count HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success "counting partial commits via bitmap ($state)" '
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git rev-list --count HEAD~5..HEAD >expect &&
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git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success "counting non-linear history ($state)" '
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git rev-list --count other...master >expect &&
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git rev-list --use-bitmap-index --count other...master >actual &&
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test_cmp expect actual
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'
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test_expect_success "enumerate --objects ($state)" '
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git rev-list --objects --use-bitmap-index HEAD >tmp &&
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cut -d" " -f1 <tmp >tmp2 &&
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sort <tmp2 >actual &&
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git rev-list --objects HEAD >tmp &&
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cut -d" " -f1 <tmp >tmp2 &&
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sort <tmp2 >expect &&
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test_cmp expect actual
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'
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test_expect_success "bitmap --objects handles non-commit objects ($state)" '
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git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual &&
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grep $blob actual
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'
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}
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rev_list_tests 'full bitmap'
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test_expect_success 'clone from bitmapped repository' '
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git clone --no-local --bare . clone.git &&
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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 'setup further non-bitmapped commits' '
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for i in $(test_seq 1 10); do
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test_commit further-$i
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done
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'
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rev_list_tests 'partial bitmap'
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test_expect_success 'fetch (partial bitmap)' '
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git --git-dir=clone.git fetch origin master:master &&
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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 'incremental repack cannot create bitmaps' '
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test_commit more-1 &&
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find .git/objects/pack -name "*.bitmap" >expect &&
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git repack -d &&
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find .git/objects/pack -name "*.bitmap" >actual &&
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test_cmp expect actual
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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 '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 master:master &&
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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 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_lazy_prereq JGIT '
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type jgit
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'
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test_expect_success JGIT 'we can read jgit bitmaps' '
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git clone . compat-jgit &&
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(
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cd compat-jgit &&
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rm -f .git/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 'jgit can read our bitmaps' '
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git clone . compat-us &&
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(
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cd compat-us &&
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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-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_done
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