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-rw-r--r--builtin-apply.c5
-rwxr-xr-xt/t4104-apply-boundary.sh15
2 files changed, 16 insertions, 4 deletions
diff --git a/builtin-apply.c b/builtin-apply.c
index 2216a0bf7..47261e10f 100644
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1996,6 +1996,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
/*
* A hunk to change lines at the beginning would begin with
* @@ -1,L +N,M @@
+ * but we need to be careful. -U0 that inserts before the second
+ * line also has this pattern.
*
* And a hunk to add to an empty file would begin with
* @@ -0,0 +N,M @@
@@ -2003,7 +2005,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
* In other words, a hunk that is (frag->oldpos <= 1) with or
* without leading context must match at the beginning.
*/
- match_beginning = frag->oldpos <= 1;
+ match_beginning = (!frag->oldpos ||
+ (frag->oldpos == 1 && !unidiff_zero));
/*
* A hunk without trailing lines must match at the end.
diff --git a/t/t4104-apply-boundary.sh b/t/t4104-apply-boundary.sh
index e7e2913de..0e3ce3611 100755
--- a/t/t4104-apply-boundary.sh
+++ b/t/t4104-apply-boundary.sh
@@ -27,6 +27,15 @@ test_expect_success setup '
git diff victim >add-a-patch.with &&
git diff --unified=0 >add-a-patch.without &&
+ : insert at line two
+ for i in b a '"$L"' y
+ do
+ echo $i
+ done >victim &&
+ cat victim >insert-a-expect &&
+ git diff victim >insert-a-patch.with &&
+ git diff --unified=0 >insert-a-patch.without &&
+
: modify at the head
for i in a '"$L"' y
do
@@ -55,7 +64,7 @@ test_expect_success setup '
git diff --unified=0 >add-z-patch.without &&
: modify at the tail
- for i in a '"$L"' y
+ for i in b '"$L"' z
do
echo $i
done >victim &&
@@ -81,7 +90,7 @@ do
with) u= ;;
without) u='--unidiff-zero ' ;;
esac
- for kind in add-a add-z mod-a mod-z del-a del-z
+ for kind in add-a add-z insert-a mod-a mod-z del-a del-z
do
test_expect_success "apply $kind-patch $with context" '
cat original >victim &&
@@ -95,7 +104,7 @@ do
done
done
-for kind in add-a add-z mod-a mod-z del-a del-z
+for kind in add-a add-z insert-a mod-a mod-z del-a del-z
do
rm -f $kind-ng.without
sed -e "s/^diff --git /diff /" \