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authorVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
committerVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
commit1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 (patch)
treee3accb9beed5c4c1b5a05c99db71ab2841f0ed04 /t/t4127-apply-same-fn.sh
Squashed 'third_party/git/' content from commit cb71568594
git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
Diffstat (limited to 't/t4127-apply-same-fn.sh')
-rwxr-xr-xt/t4127-apply-same-fn.sh90
1 files changed, 90 insertions, 0 deletions
diff --git a/t/t4127-apply-same-fn.sh b/t/t4127-apply-same-fn.sh
new file mode 100755
index 000000000000..972946c174c1
--- /dev/null
+++ b/t/t4127-apply-same-fn.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+test_description='apply same filename'
+
+. ./test-lib.sh
+
+modify () {
+	sed -e "$1" < "$2" > "$2".x &&
+	mv "$2".x "$2"
+}
+
+test_expect_success setup '
+	for i in a b c d e f g h i j k l m
+	do
+		echo $i
+	done >same_fn &&
+	cp same_fn other_fn &&
+	git add same_fn other_fn &&
+	git commit -m initial
+'
+test_expect_success 'apply same filename with independent changes' '
+	modify "s/^d/z/" same_fn &&
+	git diff > patch0 &&
+	git add same_fn &&
+	modify "s/^i/y/" same_fn &&
+	git diff >> patch0 &&
+	cp same_fn same_fn2 &&
+	git reset --hard &&
+	git apply patch0 &&
+	test_cmp same_fn same_fn2
+'
+
+test_expect_success 'apply same filename with overlapping changes' '
+	git reset --hard &&
+	modify "s/^d/z/" same_fn &&
+	git diff > patch0 &&
+	git add same_fn &&
+	modify "s/^e/y/" same_fn &&
+	git diff >> patch0 &&
+	cp same_fn same_fn2 &&
+	git reset --hard &&
+	git apply patch0 &&
+	test_cmp same_fn same_fn2
+'
+
+test_expect_success 'apply same new filename after rename' '
+	git reset --hard &&
+	git mv same_fn new_fn &&
+	modify "s/^d/z/" new_fn &&
+	git add new_fn &&
+	git diff -M --cached > patch1 &&
+	modify "s/^e/y/" new_fn &&
+	git diff >> patch1 &&
+	cp new_fn new_fn2 &&
+	git reset --hard &&
+	git apply --index patch1 &&
+	test_cmp new_fn new_fn2
+'
+
+test_expect_success 'apply same old filename after rename -- should fail.' '
+	git reset --hard &&
+	git mv same_fn new_fn &&
+	modify "s/^d/z/" new_fn &&
+	git add new_fn &&
+	git diff -M --cached > patch1 &&
+	git mv new_fn same_fn &&
+	modify "s/^e/y/" same_fn &&
+	git diff >> patch1 &&
+	git reset --hard &&
+	test_must_fail git apply patch1
+'
+
+test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' '
+	git reset --hard &&
+	git mv same_fn new_fn &&
+	modify "s/^d/z/" new_fn &&
+	git add new_fn &&
+	git diff -M --cached > patch1 &&
+	git commit -m "a rename" &&
+	git mv other_fn same_fn &&
+	modify "s/^e/y/" same_fn &&
+	git add same_fn &&
+	git diff -M --cached >> patch1 &&
+	modify "s/^g/x/" same_fn &&
+	git diff >> patch1 &&
+	git reset --hard HEAD^ &&
+	git apply patch1
+'
+
+test_done