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Rebasing onto many changes is interesting, but it's also interesting to see what happens when rebasing many changes. And while at it, let's also look at the impact of using a split index. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
56 lines
1.4 KiB
Bash
Executable file
56 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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test_description='Tests rebase performance'
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. ./perf-lib.sh
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test_perf_default_repo
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test_expect_success 'setup rebasing on top of a lot of changes' '
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git checkout -f -b base &&
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git checkout -b to-rebase &&
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git checkout -b upstream &&
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for i in $(seq 100)
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do
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# simulate huge diffs
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echo change$i >unrelated-file$i &&
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seq 1000 >>unrelated-file$i &&
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git add unrelated-file$i &&
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test_tick &&
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git commit -m commit$i unrelated-file$i &&
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echo change$i >unrelated-file$i &&
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seq 1000 | tac >>unrelated-file$i &&
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git add unrelated-file$i &&
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test_tick &&
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git commit -m commit$i-reverse unrelated-file$i ||
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break
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done &&
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git checkout to-rebase &&
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test_commit our-patch interesting-file
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'
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test_perf 'rebase on top of a lot of unrelated changes' '
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git rebase --onto upstream HEAD^ &&
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git rebase --onto base HEAD^
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'
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test_expect_success 'setup rebasing many changes without split-index' '
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git config core.splitIndex false &&
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git checkout -b upstream2 to-rebase &&
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git checkout -b to-rebase2 upstream
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'
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test_perf 'rebase a lot of unrelated changes without split-index' '
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git rebase --onto upstream2 base &&
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git rebase --onto base upstream2
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'
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test_expect_success 'setup rebasing many changes with split-index' '
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git config core.splitIndex true
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'
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test_perf 'rebase a lot of unrelated changes with split-index' '
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git rebase --onto upstream2 base &&
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git rebase --onto base upstream2
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'
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test_done
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