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[PATCH] Mailmap: Allow empty email addresses to be mapped

From
Björn Steinbrink <b.steinbrink@gmx.de>
Date
Mar 31, 2009, 15:30 UTC
Message-ID
<20090331153039.GA1520@atjola.homenet>

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>
---
 mailmap.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/mailmap.c b/mailmap.c
index f12bb45..654c629 100644
--- 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);
-- 
1.6.2.1.425.ga9a94
Next: Björn Steinbrink
Message 1 of 7 in “Mailmap: Allow empty email addresses to be mapped”
  1. Mailmap: Allow empty email addresses to be mappedBjörn Steinbrink, Mar 31, 2009
  2. Broken umlaut in my name, againBjörn Steinbrink, Apr 6, 2009
  3. Santi BéjarApr 6, 2009
  4. Björn SteinbrinkApr 6, 2009
  5. Santi BéjarApr 6, 2009
  6. Jeff KingApr 6, 2009
  7. Björn SteinbrinkApr 6, 2009

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