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67 lines
1.6 KiB
67 lines
1.6 KiB
#!/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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