mailinfo: skip bogus UNIX From line inside body

Sometimes people just include the whole format-patch output in
the commit e-mail.  Detect it and skip the bogus ">From " line.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/mailinfo.c b/mailinfo.c
index b276519..a133e6d 100644 (file)
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -237,10 +237,17 @@ static int eatspace(char *line)
 #define SEEN_FROM 01
 #define SEEN_DATE 02
 #define SEEN_SUBJECT 04
+#define SEEN_BOGUS_UNIX_FROM 010
 
 /* First lines of body can have From:, Date:, and Subject: */
 static int handle_inbody_header(int *seen, char *line)
 {
+       if (!memcmp(">From", line, 5) && isspace(line[5])) {
+               if (!(*seen & SEEN_BOGUS_UNIX_FROM)) {
+                       *seen |= SEEN_BOGUS_UNIX_FROM;
+                       return 1;
+               }
+       }
        if (!memcmp("From:", line, 5) && isspace(line[5])) {
                if (!(*seen & SEEN_FROM) && handle_from(line+6)) {
                        *seen |= SEEN_FROM;