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Mailmap: Allow empty email addresses to be mapped

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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>
This commit is contained in:
Björn Steinbrink 2009-03-31 17:30:39 +02:00 committed by Junio C Hamano
parent 75fd877e15
commit 5288dd5835
1 changed files with 5 additions and 4 deletions
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9
mailmap.c
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@ -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);