merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 158 insertions, 0 deletions

diff --git a/third_party/git/t/t3501-revert-cherry-pick.sh b/third_party/git/t/t3501-revert-cherry-pick.sh
new file mode 100755
index 0000000000..d1c68af8c5
--- /dev/null
+++ b/third_party/git/t/t3501-revert-cherry-pick.sh
@@ -0,0 +1,158 @@
+#!/bin/sh
+
+test_description='test cherry-pick and revert with renames
+
+  --
+   + rename2: renames oops to opos
+  +  rename1: renames oops to spoo
+  +  added:   adds extra line to oops
+  ++ initial: has lines in oops
+
+'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	for l in a b c d e f g h i j k l m n o
+	do
+		echo $l$l$l$l$l$l$l$l$l
+	done >oops &&
+
+	test_tick &&
+	git add oops &&
+	git commit -m initial &&
+	git tag initial &&
+
+	test_tick &&
+	echo "Add extra line at the end" >>oops &&
+	git commit -a -m added &&
+	git tag added &&
+
+	test_tick &&
+	git mv oops spoo &&
+	git commit -m rename1 &&
+	git tag rename1 &&
+
+	test_tick &&
+	git checkout -b side initial &&
+	git mv oops opos &&
+	git commit -m rename2 &&
+	git tag rename2
+'
+
+test_expect_success 'cherry-pick --nonsense' '
+
+	pos=$(git rev-parse HEAD) &&
+	git diff --exit-code HEAD &&
+	test_must_fail git cherry-pick --nonsense 2>msg &&
+	git diff --exit-code HEAD "$pos" &&
+	test_i18ngrep '[Uu]sage:' msg
+'
+
+test_expect_success 'revert --nonsense' '
+
+	pos=$(git rev-parse HEAD) &&
+	git diff --exit-code HEAD &&
+	test_must_fail git revert --nonsense 2>msg &&
+	git diff --exit-code HEAD "$pos" &&
+	test_i18ngrep '[Uu]sage:' msg
+'
+
+test_expect_success 'cherry-pick after renaming branch' '
+
+	git checkout rename2 &&
+	git cherry-pick added &&
+	test $(git rev-parse HEAD^) = $(git rev-parse rename2) &&
+	test -f opos &&
+	grep "Add extra line at the end" opos &&
+	git reflog -1 | grep cherry-pick
+
+'
+
+test_expect_success 'revert after renaming branch' '
+
+	git checkout rename1 &&
+	git revert added &&
+	test $(git rev-parse HEAD^) = $(git rev-parse rename1) &&
+	test -f spoo &&
+	! grep "Add extra line at the end" spoo &&
+	git reflog -1 | grep revert
+
+'
+
+test_expect_success 'cherry-pick on stat-dirty working tree' '
+	git clone . copy &&
+	(
+		cd copy &&
+		git checkout initial &&
+		test-tool chmtime +40 oops &&
+		git cherry-pick added
+	)
+'
+
+test_expect_success 'revert forbidden on dirty working tree' '
+
+	echo content >extra_file &&
+	git add extra_file &&
+	test_must_fail git revert HEAD 2>errors &&
+	test_i18ngrep "your local changes would be overwritten by " errors
+
+'
+
+test_expect_success 'cherry-pick on unborn branch' '
+	git checkout --orphan unborn &&
+	git rm --cached -r . &&
+	rm -rf * &&
+	git cherry-pick initial &&
+	git diff --quiet initial &&
+	! test_cmp_rev initial HEAD
+'
+
+test_expect_success 'cherry-pick "-" to pick from previous branch' '
+	git checkout unborn &&
+	test_commit to-pick actual content &&
+	git checkout master &&
+	git cherry-pick - &&
+	echo content >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'cherry-pick "-" is meaningless without checkout' '
+	test_create_repo afresh &&
+	(
+		cd afresh &&
+		test_commit one &&
+		test_commit two &&
+		test_commit three &&
+		test_must_fail git cherry-pick -
+	)
+'
+
+test_expect_success 'cherry-pick "-" works with arguments' '
+	git checkout -b side-branch &&
+	test_commit change actual change &&
+	git checkout master &&
+	git cherry-pick -s - &&
+	echo "Signed-off-by: C O Mitter <committer@example.com>" >expect &&
+	git cat-file commit HEAD | grep ^Signed-off-by: >signoff &&
+	test_cmp expect signoff &&
+	echo change >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'cherry-pick works with dirty renamed file' '
+	test_commit to-rename &&
+	git checkout -b unrelated &&
+	test_commit unrelated &&
+	git checkout @{-1} &&
+	git mv to-rename.t renamed &&
+	test_tick &&
+	git commit -m renamed &&
+	echo modified >renamed &&
+	git cherry-pick refs/heads/unrelated >out &&
+	test $(git rev-parse :0:renamed) = $(git rev-parse HEAD~2:to-rename.t) &&
+	grep -q "^modified$" renamed
+'
+
+test_done