t4127-apply-same-fn: Avoid sed -i

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 16 insertions, 11 deletions

diff --git a/t/t4127-apply-same-fn.sh b/t/t4127-apply-same-fn.sh
index 2a6ed77c65..1f859dd908 100755
--- a/t/t4127-apply-same-fn.sh
+++ b/t/t4127-apply-same-fn.sh
@@ -4,6 +4,11 @@ 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
@@ -14,10 +19,10 @@ test_expect_success setup '
 	git commit -m initial
 '
 test_expect_success 'apply same filename with independent changes' '
-	sed -i -e "s/^d/z/" same_fn &&
+	modify "s/^d/z/" same_fn &&
 	git diff > patch0 &&
 	git add same_fn &&
-	sed -i -e "s/^i/y/" same_fn &&
+	modify "s/^i/y/" same_fn &&
 	git diff >> patch0 &&
 	cp same_fn same_fn2 &&
 	git reset --hard &&
@@ -27,10 +32,10 @@ test_expect_success 'apply same filename with independent changes' '
 
 test_expect_success 'apply same filename with overlapping changes' '
 	git reset --hard
-	sed -i -e "s/^d/z/" same_fn &&
+	modify "s/^d/z/" same_fn &&
 	git diff > patch0 &&
 	git add same_fn &&
-	sed -i -e "s/^e/y/" same_fn &&
+	modify "s/^e/y/" same_fn &&
 	git diff >> patch0 &&
 	cp same_fn same_fn2 &&
 	git reset --hard &&
@@ -41,10 +46,10 @@ test_expect_success 'apply same filename with overlapping changes' '
 test_expect_success 'apply same new filename after rename' '
 	git reset --hard
 	git mv same_fn new_fn
-	sed -i -e "s/^d/z/" new_fn &&
+	modify "s/^d/z/" new_fn &&
 	git add new_fn &&
 	git diff -M --cached > patch1 &&
-	sed -i -e "s/^e/y/" new_fn &&
+	modify "s/^e/y/" new_fn &&
 	git diff >> patch1 &&
 	cp new_fn new_fn2 &&
 	git reset --hard &&
@@ -55,11 +60,11 @@ test_expect_success 'apply same new filename after rename' '
 test_expect_success 'apply same old filename after rename -- should fail.' '
 	git reset --hard
 	git mv same_fn new_fn
-	sed -i -e "s/^d/z/" new_fn &&
+	modify "s/^d/z/" new_fn &&
 	git add new_fn &&
 	git diff -M --cached > patch1 &&
 	git mv new_fn same_fn
-	sed -i -e "s/^e/y/" same_fn &&
+	modify "s/^e/y/" same_fn &&
 	git diff >> patch1 &&
 	git reset --hard &&
 	test_must_fail git apply patch1
@@ -68,15 +73,15 @@ test_expect_success 'apply same old filename after rename -- should fail.' '
 test_expect_success 'apply A->B (rename), C->A (rename), A->A -- should pass.' '
 	git reset --hard
 	git mv same_fn new_fn
-	sed -i -e "s/^d/z/" 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
-	sed -i -e "s/^e/y/" same_fn &&
+	modify "s/^e/y/" same_fn &&
 	git add same_fn &&
 	git diff -M --cached >> patch1 &&
-	sed -i -e "s/^g/x/" same_fn &&
+	modify "s/^g/x/" same_fn &&
 	git diff >> patch1 &&
 	git reset --hard HEAD^ &&
 	git apply patch1