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54 lines
1.4 KiB
54 lines
1.4 KiB
#!/bin/sh |
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test_description='Tests pack performance using bitmaps' |
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. ./perf-lib.sh |
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. "${TEST_DIRECTORY}/perf/lib-bitmap.sh" |
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test_perf_large_repo |
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# note that we do everything through config, |
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# since we want to be able to compare bitmap-aware |
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# git versus non-bitmap git |
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# |
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# We intentionally use the deprecated pack.writebitmaps |
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# config so that we can test against older versions of git. |
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test_expect_success 'setup bitmap config' ' |
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git config pack.writebitmaps true |
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' |
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# we need to create the tag up front such that it is covered by the repack and |
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# thus by generated bitmaps. |
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test_expect_success 'create tags' ' |
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git tag --message="tag pointing to HEAD" perf-tag HEAD |
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' |
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test_perf 'repack to disk' ' |
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git repack -ad |
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' |
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test_full_bitmap |
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test_expect_success 'create partial bitmap state' ' |
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# pick a commit to represent the repo tip in the past |
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cutoff=$(git rev-list HEAD~100 -1) && |
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orig_tip=$(git rev-parse HEAD) && |
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# now kill off all of the refs and pretend we had |
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# just the 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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# 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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test_done
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