run_diff_{files,index}(): update calling convention.

diff --git a/commit.c b/commit.c
index 9b2b842e7dcc153a12b35394a2e3f88f146b6225..3e8c87294bc9e0cdbab40d485f75e3980ae4ff10 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -47,7 +47,8 @@ enum cmit_fmt get_commit_format(const char *arg)
        if (*arg == '=')
                arg++;
        for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
-               if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len))
+               if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
+                   !strncmp(arg, cmt_fmts[i].n, strlen(arg)))
                        return cmt_fmts[i].v;
        }