git diff too slow for a file

diff --git a/http-backend.c b/http-backend.c
index 345c12b79064f23e0ae0a15781731b9a42272d83..d1e83d0906dbc9d677630cdf74615ec3f9dfc46d 100644 (file)
--- a/http-backend.c
+++ b/http-backend.c
@@ -538,15 +538,19 @@ static void service_rpc(char *service_name)
 
 static NORETURN void die_webcgi(const char *err, va_list params)
 {
-       char buffer[1000];
+       static int dead;
 
-       http_status(500, "Internal Server Error");
-       hdr_nocache();
-       end_headers();
+       if (!dead) {
+               char buffer[1000];
+               dead = 1;
 
-       vsnprintf(buffer, sizeof(buffer), err, params);
-       fprintf(stderr, "fatal: %s\n", buffer);
-       exit(0);
+               vsnprintf(buffer, sizeof(buffer), err, params);
+               fprintf(stderr, "fatal: %s\n", buffer);
+               http_status(500, "Internal Server Error");
+               hdr_nocache();
+               end_headers();
+       }
+       exit(0); /* we successfully reported a failure ;-) */
 }
 
 static char* getdir(void)