Make the 'lock file' exists error more informative

diff --git a/builtin-blame.c b/builtin-blame.c
index aae14ef8bb63abc598e2e3ce99bf64d5c07e0067..114a214ed3fef40ae5cc13737d037f29d6f8acfd 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -19,6 +19,7 @@
 #include "string-list.h"
 #include "mailmap.h"
 #include "parse-options.h"
+#include "utf8.h"
 
 static char blame_usage[] = "git blame [options] [rev-opts] [rev] [--] file";
 
@@ -1263,11 +1264,12 @@ struct commit_info
  * Parse author/committer line in the commit object buffer
  */
 static void get_ac_line(const char *inbuf, const char *what,
-                       int bufsz, char *person, const char **mail,
+                       int person_len, char *person,
+                       int mail_len, char *mail,
                        unsigned long *time, const char **tz)
 {
        int len, tzlen, maillen;
-       char *tmp, *endp, *timepos;
+       char *tmp, *endp, *timepos, *mailpos;
 
        tmp = strstr(inbuf, what);
        if (!tmp)
@@ -1278,10 +1280,11 @@ static void get_ac_line(const char *inbuf, const char *what,
                len = strlen(tmp);
        else
                len = endp - tmp;
-       if (bufsz <= len) {
+       if (person_len <= len) {
        error_out:
                /* Ugh */
-               *mail = *tz = "(unknown)";
+               *tz = "(unknown)";
+               strcpy(mail, *tz);
                *time = 0;
                return;
        }
@@ -1304,9 +1307,10 @@ static void get_ac_line(const char *inbuf, const char *what,
        *tmp = 0;
        while (*tmp != ' ')
                tmp--;
-       *mail = tmp + 1;
+       mailpos = tmp + 1;
        *tmp = 0;
        maillen = timepos - tmp;
+       memcpy(mail, mailpos, maillen);
 
        if (!mailmap.nr)
                return;
@@ -1315,20 +1319,23 @@ static void get_ac_line(const char *inbuf, const char *what,
         * mailmap expansion may make the name longer.
         * make room by pushing stuff down.
         */
-       tmp = person + bufsz - (tzlen + 1);
+       tmp = person + person_len - (tzlen + 1);
        memmove(tmp, *tz, tzlen);
        tmp[tzlen] = 0;
        *tz = tmp;
 
-       tmp = tmp - (maillen + 1);
-       memmove(tmp, *mail, maillen);
-       tmp[maillen] = 0;
-       *mail = tmp;
-
        /*
-        * Now, convert e-mail using mailmap
+        * Now, convert both name and e-mail using mailmap
         */
-       map_email(&mailmap, tmp + 1, person, tmp-person-1);
+       if(map_user(&mailmap, mail+1, mail_len-1, person, tmp-person-1)) {
+               /* Add a trailing '>' to email, since map_user returns plain emails
+                  Note: It already has '<', since we replace from mail+1 */
+               mailpos = memchr(mail, '\0', mail_len);
+               if (mailpos && mailpos-mail < mail_len - 1) {
+                       *mailpos = '>';
+                       *(mailpos+1) = '\0';
+               }
+       }
 }
 
 static void get_commit_info(struct commit *commit,
@@ -1337,8 +1344,10 @@ static void get_commit_info(struct commit *commit,
 {
        int len;
        char *tmp, *endp, *reencoded, *message;
-       static char author_buf[1024];
-       static char committer_buf[1024];
+       static char author_name[1024];
+       static char author_mail[1024];
+       static char committer_name[1024];
+       static char committer_mail[1024];
        static char summary_buf[1024];
 
        /*
@@ -1356,9 +1365,11 @@ static void get_commit_info(struct commit *commit,
        }
        reencoded = reencode_commit_message(commit, NULL);
        message   = reencoded ? reencoded : commit->buffer;
-       ret->author = author_buf;
+       ret->author = author_name;
+       ret->author_mail = author_mail;
        get_ac_line(message, "\nauthor ",
-                   sizeof(author_buf), author_buf, &ret->author_mail,
+                   sizeof(author_name), author_name,
+                   sizeof(author_mail), author_mail,
                    &ret->author_time, &ret->author_tz);
 
        if (!detailed) {
@@ -1366,9 +1377,11 @@ static void get_commit_info(struct commit *commit,
                return;
        }
 
-       ret->committer = committer_buf;
+       ret->committer = committer_name;
+       ret->committer_mail = committer_mail;
        get_ac_line(message, "\ncommitter ",
-                   sizeof(committer_buf), committer_buf, &ret->committer_mail,
+                   sizeof(committer_name), committer_name,
+                   sizeof(committer_mail), committer_mail,
                    &ret->committer_time, &ret->committer_tz);
 
        ret->summary = summary_buf;
@@ -1618,13 +1631,14 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
                                printf(" %*d", max_orig_digits,
                                       ent->s_lno + 1 + cnt);
 
-                       if (!(opt & OUTPUT_NO_AUTHOR))
-                               printf(" (%-*.*s %10s",
-                                      longest_author, longest_author,
-                                      ci.author,
+                       if (!(opt & OUTPUT_NO_AUTHOR)) {
+                               int pad = longest_author - utf8_strwidth(ci.author);
+                               printf(" (%s%*s %10s",
+                                      ci.author, pad, "",
                                       format_time(ci.author_time,
                                                   ci.author_tz,
                                                   show_raw_time));
+                       }
                        printf(" %*d) ",
                               max_digits, ent->lno + 1 + cnt);
                }
@@ -1755,7 +1769,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
                if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
                        suspect->commit->object.flags |= METAINFO_SHOWN;
                        get_commit_info(suspect->commit, &ci, 1);
-                       num = strlen(ci.author);
+                       num = utf8_strwidth(ci.author);
                        if (longest_author < num)
                                longest_author = num;
                }
@@ -2394,7 +2408,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
                die("reading graft file %s failed: %s",
                    revs_file, strerror(errno));
 
-       read_mailmap(&mailmap, ".mailmap", NULL);
+       read_mailmap(&mailmap, NULL);
 
        if (!incremental)
                setup_pager();