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-rwxr-xr-xt/perf/p3400-rebase.sh56
1 files changed, 56 insertions, 0 deletions
diff --git a/t/perf/p3400-rebase.sh b/t/perf/p3400-rebase.sh
new file mode 100755
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+++ b/t/perf/p3400-rebase.sh
@@ -0,0 +1,56 @@
+#!/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 $(test_seq 100)
+ do
+ # simulate huge diffs
+ echo change$i >unrelated-file$i &&
+ test_seq 1000 >>unrelated-file$i &&
+ git add unrelated-file$i &&
+ test_tick &&
+ git commit -m commit$i unrelated-file$i &&
+ echo change$i >unrelated-file$i &&
+ test_seq 1000 | sort -nr >>unrelated-file$i &&
+ git add unrelated-file$i &&
+ test_tick &&
+ git commit -m commit$i-reverse unrelated-file$i ||
+ return 1
+ 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