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-rwxr-xr-xt/t3419-rebase-patch-id.sh117
1 files changed, 117 insertions, 0 deletions
diff --git a/t/t3419-rebase-patch-id.sh b/t/t3419-rebase-patch-id.sh
new file mode 100755
index 0000000..7181f17
--- /dev/null
+++ b/t/t3419-rebase-patch-id.sh
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+test_description='git rebase - test patch id computation'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+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"
+}
+
+test_expect_success 'setup' '
+ git commit --allow-empty -m initial &&
+ git tag root
+'
+
+test_expect_success 'setup: 500 lines' '
+ rm -f .gitattributes &&
+ git checkout -q -f main &&
+ git reset --hard root &&
+ test_seq 500 >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 main >/dev/null 2>&1 &&
+
+ git branch -f squashed main &&
+ git checkout -q -f squashed &&
+ git reset -q --soft HEAD~2 &&
+ git commit -q -m squashed &&
+
+ git branch -f mode main &&
+ git checkout -q -f mode &&
+ test_chmod +x file &&
+ git commit -q -a --amend &&
+
+ git branch -f modeother other &&
+ git checkout -q -f modeother &&
+ test_chmod +x file &&
+ git commit -q -a --amend
+'
+
+test_expect_success 'detect upstream patch' '
+ git checkout -q main^{} &&
+ scramble file &&
+ git add file &&
+ git commit -q -m "change big file again" &&
+ git checkout -q other^{} &&
+ git rebase main &&
+ git rev-list main...HEAD~ >revs &&
+ test_must_be_empty revs
+'
+
+test_expect_success 'detect upstream patch binary' '
+ echo "file binary" >.gitattributes &&
+ git checkout -q other^{} &&
+ git rebase main &&
+ git rev-list main...HEAD~ >revs &&
+ test_must_be_empty revs &&
+ test_when_finished "rm .gitattributes"
+'
+
+test_expect_success 'detect upstream patch modechange' '
+ git checkout -q modeother^{} &&
+ git rebase mode &&
+ git rev-list mode...HEAD~ >revs &&
+ test_must_be_empty revs
+'
+
+test_expect_success 'do not drop patch' '
+ git checkout -q other^{} &&
+ test_must_fail git rebase squashed &&
+ test_when_finished "git rebase --abort"
+'
+
+test_expect_success 'do not drop patch binary' '
+ echo "file binary" >.gitattributes &&
+ git checkout -q other^{} &&
+ test_must_fail git rebase squashed &&
+ test_when_finished "git rebase --abort" &&
+ test_when_finished "rm .gitattributes"
+'
+
+test_expect_success 'do not drop patch modechange' '
+ git checkout -q modeother^{} &&
+ git rebase other &&
+ cat >expected <<-\EOF &&
+ diff --git a/file b/file
+ old mode 100644
+ new mode 100755
+ EOF
+ git diff HEAD~ >modediff &&
+ test_cmp expected modediff
+'
+
+test_done