68 lines
1.6 KiB
Bash
Executable File
68 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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test_description='Tests performance using midx bitmaps'
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. ./perf-lib.sh
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. "${TEST_DIRECTORY}/perf/lib-bitmap.sh"
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test_bitmap () {
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local enabled="$1"
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test_expect_success "remove existing repo (lookup=$enabled)" '
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rm -fr * .git
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'
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test_perf_large_repo
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# we need to create the tag up front such that it is covered by the repack and
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# thus by generated bitmaps.
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test_expect_success 'create tags' '
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git tag --message="tag pointing to HEAD" perf-tag HEAD
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'
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test_expect_success "use lookup table: $enabled" '
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git config pack.writeBitmapLookupTable '"$enabled"'
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'
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test_expect_success "start with bitmapped pack (lookup=$enabled)" '
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git repack -adb
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'
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test_perf "setup multi-pack index (lookup=$enabled)" '
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git multi-pack-index write --bitmap
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'
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test_expect_success "drop pack bitmap (lookup=$enabled)" '
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rm -f .git/objects/pack/pack-*.bitmap
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'
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test_full_bitmap
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test_expect_success "create partial bitmap state (lookup=$enabled)" '
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# pick a commit to represent the repo tip in the past
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cutoff=$(git rev-list HEAD~100 -1) &&
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orig_tip=$(git rev-parse HEAD) &&
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# now pretend we have just one tip
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rm -rf .git/logs .git/refs/* .git/packed-refs &&
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git update-ref HEAD $cutoff &&
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# and then repack, which will leave us with a nice
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# big bitmap pack of the "old" history, and all of
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# the new history will be loose, as if it had been pushed
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# up incrementally and exploded via unpack-objects
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git repack -Ad &&
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git multi-pack-index write --bitmap &&
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# and now restore our original tip, as if the pushes
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# had happened
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git update-ref HEAD $orig_tip
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'
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test_partial_bitmap
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}
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test_bitmap false
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test_bitmap true
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test_done
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