Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
builtin-merge-file.c | 6 +++++-
t/t6023-merge-file.sh | 5 +++++
2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/builtin-merge-file.c b/builtin-merge-file.c
index 9135773..10ec63b 100644
--- a/builtin-merge-file.c
+++ b/builtin-merge-file.c
@@ -36,9 +36,13 @@ int cmd_merge_file(int argc, char **argv, char **envp)
for (; i < 3; i++)
names[i] = argv[i + 1];
- for (i = 0; i < 3; i++)
+ for (i = 0; i < 3; i++) {
if (read_mmfile(mmfs + i, argv[i + 1]))
return -1;
+ if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
+ return error("Cannot merge binary files: %s\n",
+ argv[i + 1]);
+ }
ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
&xpp, XDL_MERGE_ZEALOUS, &result);
diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index c76fccf..1decbfb 100755
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -134,5 +134,10 @@ EOF
test_expect_success "expected conflict markers" "git diff expect out"
+test_expect_success 'binary files cannot be merged' '
+ ! git merge-file -p orig.txt ../test4012.png new1.txt 2> merge.err &&
+ grep "Cannot merge binary files" merge.err
+'
+
test_done
--
1.5.2.1.2626.ge1044-dirty
-
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