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-rw-r--r--builtin-diff-files.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/builtin-diff-files.c b/builtin-diff-files.c
index 5afc1d7..a655eea 100644
--- a/builtin-diff-files.c
+++ b/builtin-diff-files.c
@@ -36,6 +36,9 @@ int cmd_diff_files(int argc, const char **argv, char **envp)
usage(diff_files_usage);
argv++; argc--;
}
+ if (!rev.diffopt.output_format)
+ rev.diffopt.output_format = DIFF_FORMAT_RAW;
+
/*
* Make sure there are NO revision (i.e. pending object) parameter,
* rev.max_count is reasonable (0 <= n <= 3),