Fix and improve t7004 (git-tag tests)

diff --git a/mailmap.c b/mailmap.c
index c29e4e534925d250007507b3259855213b9500cc..87141670595c50a4fa7b87a12b85ff0e2b7da8af 100644 (file)
--- a/mailmap.c
+++ b/mailmap.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "path-list.h"
+#include "mailmap.h"
 
 int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev)
 {
@@ -17,6 +18,9 @@ int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev
                        int abblen = sizeof(abbrev) - 1;
                        int len = strlen(buffer);
 
+                       if (!repo_abbrev)
+                               continue;
+
                        if (len && buffer[len - 1] == '\n')
                                buffer[--len] = 0;
                        if (!strncmp(buffer, abbrev, abblen)) {
@@ -85,4 +89,3 @@ int map_email(struct path_list *map, const char *email, char *name, int maxlen)
        }
        return 0;
 }
-