Mailmap: Allow empty email addresses to be mapped
authorBjörn Steinbrink <B.Steinbrink@gmx.de>
Tue, 31 Mar 2009 15:30:39 +0000 (17:30 +0200)
committerJunio C Hamano <gitster@pobox.com>
Wed, 1 Apr 2009 22:53:36 +0000 (15:53 -0700)
While it makes no sense to map some email address to an empty one, doing
things the other way around can be useful. For example when using
filter-branch with an env-filter that employs a mailmap to fix up an
import that created such broken commits with empty email addresses.

Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
mailmap.c

index f12bb45..654c629 100644 (file)
--- a/mailmap.c
+++ b/mailmap.c
@@ -90,7 +90,8 @@ static void add_mapping(struct string_list *map,
                 old_name, old_email, new_name, new_email);
 }
 
-static char *parse_name_and_email(char *buffer, char **name, char **email)
+static char *parse_name_and_email(char *buffer, char **name,
+               char **email, int allow_empty_email)
 {
        char *left, *right, *nstart, *nend;
        *name = *email = 0;
@@ -99,7 +100,7 @@ static char *parse_name_and_email(char *buffer, char **name, char **email)
                return NULL;
        if ((right = strchr(left+1, '>')) == NULL)
                return NULL;
-       if (left+1 == right)
+       if (!allow_empty_email && (left+1 == right))
                return NULL;
 
        /* remove whitespace from beginning and end of name */
@@ -150,8 +151,8 @@ static int read_single_mailmap(struct string_list *map, const char *filename, ch
                        }
                        continue;
                }
-               if ((name2 = parse_name_and_email(buffer, &name1, &email1)) != NULL)
-                       parse_name_and_email(name2, &name2, &email2);
+               if ((name2 = parse_name_and_email(buffer, &name1, &email1, 0)) != NULL)
+                       parse_name_and_email(name2, &name2, &email2, 1);
 
                if (email1)
                        add_mapping(map, name1, email1, name2, email2);