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Diffstat (limited to 'mailmap.c')
-rw-r--r--mailmap.c163
1 files changed, 115 insertions, 48 deletions
diff --git a/mailmap.c b/mailmap.c
index 02fcfde0b0..b16542febe 100644
--- a/mailmap.c
+++ b/mailmap.c
@@ -10,6 +10,7 @@ static inline void debug_mm(const char *format, ...) {}
#endif
const char *git_mailmap_file;
+const char *git_mailmap_blob;
struct mailmap_info {
char *name;
@@ -70,8 +71,7 @@ static void add_mapping(struct string_list *map,
} else {
/* create mailmap entry */
struct string_list_item *item = string_list_insert_at_index(map, index, old_email);
- item->util = xmalloc(sizeof(struct mailmap_entry));
- memset(item->util, 0, sizeof(struct mailmap_entry));
+ item->util = xcalloc(1, sizeof(struct mailmap_entry));
((struct mailmap_entry *)item->util)->namemap.strdup_strings = 1;
}
me = (struct mailmap_entry *)map->items[index].util;
@@ -88,7 +88,7 @@ static void add_mapping(struct string_list *map,
me->email = xstrdup(new_email);
}
} else {
- struct mailmap_info *mi = xmalloc(sizeof(struct mailmap_info));
+ struct mailmap_info *mi = xcalloc(1, sizeof(struct mailmap_info));
debug_mm("mailmap: adding (complex) entry for %s at index %d\n", old_email, index);
if (new_name)
mi->name = xstrdup(new_name);
@@ -119,7 +119,7 @@ static char *parse_name_and_email(char *buffer, char **name,
while (isspace(*nstart) && nstart < left)
++nstart;
nend = left-1;
- while (isspace(*nend) && nend > nstart)
+ while (nend > nstart && isspace(*nend))
--nend;
*name = (nstart < nend ? nstart : NULL);
@@ -130,54 +130,119 @@ static char *parse_name_and_email(char *buffer, char **name,
return (*right == '\0' ? NULL : right);
}
-static int read_single_mailmap(struct string_list *map, const char *filename, char **repo_abbrev)
+static void read_mailmap_line(struct string_list *map, char *buffer,
+ char **repo_abbrev)
+{
+ char *name1 = NULL, *email1 = NULL, *name2 = NULL, *email2 = NULL;
+ if (buffer[0] == '#') {
+ static const char abbrev[] = "# repo-abbrev:";
+ int abblen = sizeof(abbrev) - 1;
+ int len = strlen(buffer);
+
+ if (!repo_abbrev)
+ return;
+
+ if (len && buffer[len - 1] == '\n')
+ buffer[--len] = 0;
+ if (!strncmp(buffer, abbrev, abblen)) {
+ char *cp;
+
+ if (repo_abbrev)
+ free(*repo_abbrev);
+ *repo_abbrev = xmalloc(len);
+
+ for (cp = buffer + abblen; isspace(*cp); cp++)
+ ; /* nothing */
+ strcpy(*repo_abbrev, cp);
+ }
+ return;
+ }
+ 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);
+}
+
+static int read_mailmap_file(struct string_list *map, const char *filename,
+ char **repo_abbrev)
{
char buffer[1024];
- FILE *f = (filename == NULL ? NULL : fopen(filename, "r"));
+ FILE *f;
- if (f == NULL)
- return 1;
- while (fgets(buffer, sizeof(buffer), f) != NULL) {
- char *name1 = NULL, *email1 = NULL, *name2 = NULL, *email2 = NULL;
- if (buffer[0] == '#') {
- static const char abbrev[] = "# 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)) {
- char *cp;
-
- if (repo_abbrev)
- free(*repo_abbrev);
- *repo_abbrev = xmalloc(len);
-
- for (cp = buffer + abblen; isspace(*cp); cp++)
- ; /* nothing */
- strcpy(*repo_abbrev, cp);
- }
- continue;
- }
- if ((name2 = parse_name_and_email(buffer, &name1, &email1, 0)) != NULL)
- parse_name_and_email(name2, &name2, &email2, 1);
+ if (!filename)
+ return 0;
- if (email1)
- add_mapping(map, name1, email1, name2, email2);
+ f = fopen(filename, "r");
+ if (!f) {
+ if (errno == ENOENT)
+ return 0;
+ return error("unable to open mailmap at %s: %s",
+ filename, strerror(errno));
}
+
+ while (fgets(buffer, sizeof(buffer), f) != NULL)
+ read_mailmap_line(map, buffer, repo_abbrev);
fclose(f);
return 0;
}
+static void read_mailmap_buf(struct string_list *map,
+ const char *buf, unsigned long len,
+ char **repo_abbrev)
+{
+ while (len) {
+ const char *end = strchrnul(buf, '\n');
+ unsigned long linelen = end - buf + 1;
+ char *line = xmemdupz(buf, linelen);
+
+ read_mailmap_line(map, line, repo_abbrev);
+
+ free(line);
+ buf += linelen;
+ len -= linelen;
+ }
+}
+
+static int read_mailmap_blob(struct string_list *map,
+ const char *name,
+ char **repo_abbrev)
+{
+ unsigned char sha1[20];
+ char *buf;
+ unsigned long size;
+ enum object_type type;
+
+ if (!name)
+ return 0;
+ if (get_sha1(name, sha1) < 0)
+ return 0;
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return error("unable to read mailmap object at %s", name);
+ if (type != OBJ_BLOB)
+ return error("mailmap is not a blob: %s", name);
+
+ read_mailmap_buf(map, buf, size, repo_abbrev);
+
+ free(buf);
+ return 0;
+}
+
int read_mailmap(struct string_list *map, char **repo_abbrev)
{
+ int err = 0;
+
map->strdup_strings = 1;
- /* each failure returns 1, so >1 means both calls failed */
- return read_single_mailmap(map, ".mailmap", repo_abbrev) +
- read_single_mailmap(map, git_mailmap_file, repo_abbrev) > 1;
+
+ if (!git_mailmap_blob && is_bare_repository())
+ git_mailmap_blob = "HEAD:.mailmap";
+
+ err |= read_mailmap_file(map, ".mailmap", repo_abbrev);
+ err |= read_mailmap_blob(map, git_mailmap_blob, repo_abbrev);
+ err |= read_mailmap_file(map, git_mailmap_file, repo_abbrev);
+ return err;
}
void clear_mailmap(struct string_list *map)
@@ -191,27 +256,27 @@ void clear_mailmap(struct string_list *map)
int map_user(struct string_list *map,
char *email, int maxlen_email, char *name, int maxlen_name)
{
- char *p;
+ char *end_of_email;
struct string_list_item *item;
struct mailmap_entry *me;
char buf[1024], *mailbuf;
int i;
/* figure out space requirement for email */
- p = strchr(email, '>');
- if (!p) {
+ end_of_email = strchr(email, '>');
+ if (!end_of_email) {
/* email passed in might not be wrapped in <>, but end with a \0 */
- p = memchr(email, '\0', maxlen_email);
- if (!p)
+ end_of_email = memchr(email, '\0', maxlen_email);
+ if (!end_of_email)
return 0;
}
- if (p - email + 1 < sizeof(buf))
+ if (end_of_email - email + 1 < sizeof(buf))
mailbuf = buf;
else
- mailbuf = xmalloc(p - email + 1);
+ mailbuf = xmalloc(end_of_email - email + 1);
/* downcase the email address */
- for (i = 0; i < p - email; i++)
+ for (i = 0; i < end_of_email - email; i++)
mailbuf[i] = tolower(email[i]);
mailbuf[i] = 0;
@@ -237,6 +302,8 @@ int map_user(struct string_list *map,
}
if (maxlen_email && mi->email)
strlcpy(email, mi->email, maxlen_email);
+ else
+ *end_of_email = '\0';
if (maxlen_name && mi->name)
strlcpy(name, mi->name, maxlen_name);
debug_mm("map_user: to '%s' <%s>\n", name, mi->email ? mi->email : "");