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-rw-r--r--merge-recursive.c6
-rwxr-xr-xt/t6024-recursive-merge.sh14
2 files changed, 20 insertions, 0 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 8f72b2c..4a82b74 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -680,6 +680,12 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
{
xpparam_t xpp;
+ if (buffer_is_binary(orig->ptr, orig->size) ||
+ buffer_is_binary(src1->ptr, src1->size) ||
+ buffer_is_binary(src2->ptr, src2->size))
+ return error("Cannot merge binary files: %s vs. %s\n",
+ name1, name2);
+
memset(&xpp, 0, sizeof(xpp));
return xdl_merge(orig,
src1, name1,
diff --git a/t/t6024-recursive-merge.sh b/t/t6024-recursive-merge.sh
index a398556..058db9c 100755
--- a/t/t6024-recursive-merge.sh
+++ b/t/t6024-recursive-merge.sh
@@ -81,4 +81,18 @@ EOF
test_expect_success "virtual trees were processed" "git diff expect out"
+git reset --hard
+test_expect_success 'refuse to merge binary files' '
+ printf "\0" > binary-file &&
+ git add binary-file &&
+ git commit -m binary &&
+ git checkout G &&
+ printf "\0\0" > binary-file &&
+ git add binary-file &&
+ git commit -m binary2 &&
+ ! git merge F > merge.out 2> merge.err &&
+ grep "Cannot merge binary files: HEAD:binary-file vs. F:binary-file" \
+ merge.err
+'
+
test_done