101 lines
2.6 KiB
Bash
101 lines
2.6 KiB
Bash
# Helper functions for testing bitmap performance; see p5310.
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test_full_bitmap () {
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test_perf 'simulated clone' '
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git pack-objects --stdout --all </dev/null >/dev/null
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'
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test_perf 'simulated fetch' '
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have=$(git rev-list HEAD~100 -1) &&
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{
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echo HEAD &&
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echo ^$have
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} | git pack-objects --revs --stdout >/dev/null
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'
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test_perf 'pack to file (bitmap)' '
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git pack-objects --use-bitmap-index --all pack1b </dev/null >/dev/null
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'
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test_perf 'rev-list (commits)' '
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git rev-list --all --use-bitmap-index >/dev/null
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'
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test_perf 'rev-list (objects)' '
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git rev-list --all --use-bitmap-index --objects >/dev/null
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'
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test_perf 'rev-list with tag negated via --not --all (objects)' '
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git rev-list perf-tag --not --all --use-bitmap-index --objects >/dev/null
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'
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test_perf 'rev-list with negative tag (objects)' '
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git rev-list HEAD --not perf-tag --use-bitmap-index --objects >/dev/null
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'
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test_perf 'rev-list count with blob:none' '
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git rev-list --use-bitmap-index --count --objects --all \
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--filter=blob:none >/dev/null
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'
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test_perf 'rev-list count with blob:limit=1k' '
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git rev-list --use-bitmap-index --count --objects --all \
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--filter=blob:limit=1k >/dev/null
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'
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test_perf 'rev-list count with tree:0' '
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git rev-list --use-bitmap-index --count --objects --all \
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--filter=tree:0 >/dev/null
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'
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test_perf 'simulated partial clone' '
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git pack-objects --stdout --all --filter=blob:none </dev/null >/dev/null
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'
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}
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test_partial_bitmap () {
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test_perf 'clone (partial bitmap)' '
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git pack-objects --stdout --all </dev/null >/dev/null
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'
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test_perf 'pack to file (partial bitmap)' '
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git pack-objects --use-bitmap-index --all pack2b </dev/null >/dev/null
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'
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test_perf 'rev-list with tree filter (partial bitmap)' '
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git rev-list --use-bitmap-index --count --objects --all \
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--filter=tree:0 >/dev/null
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'
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}
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test_pack_bitmap () {
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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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}
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