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-rwxr-xr-xt/t3419-rebase-patch-id.sh100
1 files changed, 100 insertions, 0 deletions
diff --git a/t/t3419-rebase-patch-id.sh b/t/t3419-rebase-patch-id.sh
new file mode 100755
index 0000000000..49f548cdb9
--- /dev/null
+++ b/t/t3419-rebase-patch-id.sh
@@ -0,0 +1,100 @@
+#!/bin/sh
+
+test_description='git rebase - test patch id computation'
+
+. ./test-lib.sh
+
+count () {
+ i=0
+ while test $i -lt $1
+ do
+ echo "$i"
+ i=$(($i+1))
+ done
+}
+
+scramble () {
+ i=0
+ while read x
+ do
+ if test $i -ne 0
+ then
+ echo "$x"
+ fi
+ i=$((($i+1) % 10))
+ done <"$1" >"$1.new"
+ mv -f "$1.new" "$1"
+}
+
+run () {
+ echo \$ "$@"
+ /usr/bin/time "$@" >/dev/null
+}
+
+test_expect_success 'setup' '
+ git commit --allow-empty -m initial &&
+ git tag root
+'
+
+do_tests () {
+ nlines=$1 pr=${2-}
+
+ test_expect_success $pr "setup: $nlines lines" "
+ rm -f .gitattributes &&
+ git checkout -q -f master &&
+ git reset --hard root &&
+ count $nlines >file &&
+ git add file &&
+ git commit -q -m initial &&
+ git branch -f other &&
+
+ scramble file &&
+ git add file &&
+ git commit -q -m 'change big file' &&
+
+ git checkout -q other &&
+ : >newfile &&
+ git add newfile &&
+ git commit -q -m 'add small file' &&
+
+ git cherry-pick master >/dev/null 2>&1
+ "
+
+ test_debug "
+ run git diff master^\!
+ "
+
+ test_expect_success $pr 'setup attributes' "
+ echo 'file binary' >.gitattributes
+ "
+
+ test_debug "
+ run git format-patch --stdout master &&
+ run git format-patch --stdout --ignore-if-in-upstream master
+ "
+
+ test_expect_success $pr 'detect upstream patch' '
+ git checkout -q master &&
+ scramble file &&
+ git add file &&
+ git commit -q -m "change big file again" &&
+ git checkout -q other^{} &&
+ git rebase master &&
+ test_must_fail test -n "$(git rev-list master...HEAD~)"
+ '
+
+ test_expect_success $pr 'do not drop patch' '
+ git branch -f squashed master &&
+ git checkout -q -f squashed &&
+ git reset -q --soft HEAD~2 &&
+ git commit -q -m squashed &&
+ git checkout -q other^{} &&
+ test_must_fail git rebase squashed &&
+ rm -rf .git/rebase-apply
+ '
+}
+
+do_tests 500
+do_tests 50000 EXPENSIVE
+
+test_done