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#!/bin/sh
test_description='Tests rebase performance'
. ./perf-lib.sh
test_perf_default_repo
test_expect_success 'setup rebasing on top of a lot of changes' '
git checkout -f -B base &&
git checkout -B to-rebase &&
git checkout -B upstream &&
for i in $(seq 100)
do
# simulate huge diffs
echo change$i >unrelated-file$i &&
seq 1000 >>unrelated-file$i &&
git add unrelated-file$i &&
test_tick &&
git commit -m commit$i unrelated-file$i &&
echo change$i >unrelated-file$i &&
seq 1000 | tac >>unrelated-file$i &&
git add unrelated-file$i &&
test_tick &&
git commit -m commit$i-reverse unrelated-file$i ||
break
done &&
git checkout to-rebase &&
test_commit our-patch interesting-file
'
test_perf 'rebase on top of a lot of unrelated changes' '
git rebase --onto upstream HEAD^ &&
git rebase --onto base HEAD^
'
test_expect_success 'setup rebasing many changes without split-index' '
git config core.splitIndex false &&
git checkout -B upstream2 to-rebase &&
git checkout -B to-rebase2 upstream
'
test_perf 'rebase a lot of unrelated changes without split-index' '
git rebase --onto upstream2 base &&
git rebase --onto base upstream2
'
test_expect_success 'setup rebasing many changes with split-index' '
git config core.splitIndex true
'
test_perf 'rebase a lot of unrelated changes with split-index' '
git rebase --onto upstream2 base &&
git rebase --onto base upstream2
'
test_done
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