git.oblomov.eu Git - git/blob - shortlog.c

   1 #include "cache.h"
   2 #include "shortlog.h"
   3 #include "commit.h"
   4 #include "mailmap.h"
   5 #include "utf8.h"
   6
   7 void shortlog_init(struct shortlog *log)
   8 {
   9         memset(log, 0, sizeof(*log));
  10
  11         read_mailmap(&log->mailmap, &log->common_repo_prefix);
  12
  13         log->list.strdup_strings = 1;
  14         log->wrap = DEFAULT_WRAPLEN;
  15         log->in1 = DEFAULT_INDENT1;
  16         log->in2 = DEFAULT_INDENT2;
  17 }
  18
  19 void shortlog_insert_one_record(struct shortlog *log,
  20                 const char *author,
  21                 const char *oneline)
  22 {
  23         const char *dot3 = log->common_repo_prefix;
  24         char *buffer, *p;
  25         struct string_list_item *item;
  26         const char *mailbuf, *namebuf;
  27         size_t namelen, maillen;
  28         const char *eol;
  29         struct strbuf subject = STRBUF_INIT;
  30         struct strbuf namemailbuf = STRBUF_INIT;
  31         struct ident_split ident;
  32
  33         if (split_ident_line(&ident, author, strlen(author)))
  34                 return;
  35
  36         namebuf = ident.name_begin;
  37         mailbuf = ident.mail_begin;
  38         namelen = ident.name_end - ident.name_begin;
  39         maillen = ident.mail_end - ident.mail_begin;
  40
  41         map_user(&log->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
  42         strbuf_add(&namemailbuf, namebuf, namelen);
  43
  44         if (log->email)
  45                 strbuf_addf(&namemailbuf, " <%.*s>", (int)maillen, mailbuf);
  46
  47         item = string_list_insert(&log->list, namemailbuf.buf);
  48         if (item->util == NULL)
  49                 item->util = xcalloc(1, sizeof(struct string_list));
  50
  51         /* Skip any leading whitespace, including any blank lines. */
  52         while (*oneline && isspace(*oneline))
  53                 oneline++;
  54         eol = strchr(oneline, '\n');
  55         if (!eol)
  56                 eol = oneline + strlen(oneline);
  57         if (starts_with(oneline, "[PATCH")) {
  58                 char *eob = strchr(oneline, ']');
  59                 if (eob && (!eol || eob < eol))
  60                         oneline = eob + 1;
  61         }
  62         while (*oneline && isspace(*oneline) && *oneline != '\n')
  63                 oneline++;
  64         format_subject(&subject, oneline, " ");
  65         buffer = strbuf_detach(&subject, NULL);
  66
  67         if (dot3) {
  68                 int dot3len = strlen(dot3);
  69                 if (dot3len > 5) {
  70                         while ((p = strstr(buffer, dot3)) != NULL) {
  71                                 int taillen = strlen(p) - dot3len;
  72                                 memcpy(p, "/.../", 5);
  73                                 memmove(p + 5, p + dot3len, taillen + 1);
  74                         }
  75                 }
  76         }
  77
  78         string_list_append(item->util, buffer);
  79 }
  80
  81 void shortlog_add_commit(struct shortlog *log, struct commit *commit)
  82 {
  83         const char *author = NULL, *buffer;
  84         struct strbuf buf = STRBUF_INIT;
  85         struct strbuf ufbuf = STRBUF_INIT;
  86
  87         pp_commit_easy(CMIT_FMT_RAW, commit, &buf);
  88         buffer = buf.buf;
  89         while (*buffer && *buffer != '\n') {
  90                 const char *eol = strchr(buffer, '\n');
  91
  92                 if (eol == NULL)
  93                         eol = buffer + strlen(buffer);
  94                 else
  95                         eol++;
  96
  97                 if (starts_with(buffer, "author "))
  98                         author = buffer + 7;
  99                 buffer = eol;
 100         }
 101         if (!author) {
 102                 warning(_("Missing author: %s"),
 103                     sha1_to_hex(commit->object.sha1));
 104                 return;
 105         }
 106         if (log->user_format) {
 107                 struct pretty_print_context ctx = {0};
 108                 ctx.fmt = CMIT_FMT_USERFORMAT;
 109                 ctx.abbrev = log->abbrev;
 110                 ctx.subject = "";
 111                 ctx.after_subject = "";
 112                 ctx.date_mode = DATE_NORMAL;
 113                 ctx.output_encoding = get_log_output_encoding();
 114                 pretty_print_commit(&ctx, commit, &ufbuf);
 115                 buffer = ufbuf.buf;
 116         } else if (*buffer) {
 117                 buffer++;
 118         }
 119         shortlog_insert_one_record(log, author, !*buffer ? "<none>" : buffer);
 120         strbuf_release(&ufbuf);
 121         strbuf_release(&buf);
 122 }
 123
 124 static int compare_by_number(const void *a1, const void *a2)
 125 {
 126         const struct string_list_item *i1 = a1, *i2 = a2;
 127         const struct string_list *l1 = i1->util, *l2 = i2->util;
 128
 129         if (l1->nr < l2->nr)
 130                 return 1;
 131         else if (l1->nr == l2->nr)
 132                 return 0;
 133         else
 134                 return -1;
 135 }
 136
 137 static void add_wrapped_shortlog_msg(struct strbuf *sb, const char *s,
 138                                      const struct shortlog *log)
 139 {
 140         strbuf_add_wrapped_text(sb, s, log->in1, log->in2, log->wrap);
 141         strbuf_addch(sb, '\n');
 142 }
 143
 144 void shortlog_output(struct shortlog *log)
 145 {
 146         int i, j;
 147         struct strbuf sb = STRBUF_INIT;
 148
 149         if (log->sort_by_number)
 150                 qsort(log->list.items, log->list.nr, sizeof(struct string_list_item),
 151                         compare_by_number);
 152         for (i = 0; i < log->list.nr; i++) {
 153                 struct string_list *onelines = log->list.items[i].util;
 154
 155                 if (log->summary) {
 156                         printf("%6d\t%s\n", onelines->nr, log->list.items[i].string);
 157                 } else {
 158                         printf("%s (%d):\n", log->list.items[i].string, onelines->nr);
 159                         for (j = onelines->nr - 1; j >= 0; j--) {
 160                                 const char *msg = onelines->items[j].string;
 161
 162                                 if (log->wrap_lines) {
 163                                         strbuf_reset(&sb);
 164                                         add_wrapped_shortlog_msg(&sb, msg, log);
 165                                         fwrite(sb.buf, sb.len, 1, stdout);
 166                                 }
 167                                 else
 168                                         printf("      %s\n", msg);
 169                         }
 170                         putchar('\n');
 171                 }
 172
 173                 onelines->strdup_strings = 1;
 174                 string_list_clear(onelines, 0);
 175                 free(onelines);
 176                 log->list.items[i].util = NULL;
 177         }
 178
 179         strbuf_release(&sb);
 180         log->list.strdup_strings = 1;
 181         string_list_clear(&log->list, 1);
 182         clear_mailmap(&log->mailmap);
 183 }