builtin/check-mailmap.c

   1 #include "builtin.h"
   2 #include "config.h"
   3 #include "gettext.h"
   4 #include "ident.h"
   5 #include "mailmap.h"
   6 #include "parse-options.h"
   7 #include "strbuf.h"
   8 #include "string-list.h"
   9 #include "write-or-die.h"
  10
  11 static int use_stdin;
  12 static const char * const check_mailmap_usage[] = {
  13 N_("git check-mailmap [<options>] <contact>..."),
  14 NULL
  15 };
  16
  17 static const struct option check_mailmap_options[] = {
  18         OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
  19         OPT_END()
  20 };
  21
  22 static void check_mailmap(struct string_list *mailmap, const char *contact)
  23 {
  24         const char *name, *mail;
  25         size_t namelen, maillen;
  26         struct ident_split ident;
  27
  28         if (split_ident_line(&ident, contact, strlen(contact)))
  29                 die(_("unable to parse contact: %s"), contact);
  30
  31         name = ident.name_begin;
  32         namelen = ident.name_end - ident.name_begin;
  33         mail = ident.mail_begin;
  34         maillen = ident.mail_end - ident.mail_begin;
  35
  36         map_user(mailmap, &mail, &maillen, &name, &namelen);
  37
  38         if (namelen)
  39                 printf("%.*s ", (int)namelen, name);
  40         printf("<%.*s>\n", (int)maillen, mail);
  41 }
  42
  43 int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
  44 {
  45         int i;
  46         struct string_list mailmap = STRING_LIST_INIT_NODUP;
  47
  48         git_config(git_default_config, NULL);
  49         argc = parse_options(argc, argv, prefix, check_mailmap_options,
  50                              check_mailmap_usage, 0);
  51         if (argc == 0 && !use_stdin)
  52                 die(_("no contacts specified"));
  53
  54         read_mailmap(&mailmap);
  55
  56         for (i = 0; i < argc; ++i)
  57                 check_mailmap(&mailmap, argv[i]);
  58         maybe_flush_or_die(stdout, "stdout");
  59
  60         if (use_stdin) {
  61                 struct strbuf buf = STRBUF_INIT;
  62                 while (strbuf_getline_lf(&buf, stdin) != EOF) {
  63                         check_mailmap(&mailmap, buf.buf);
  64                         maybe_flush_or_die(stdout, "stdout");
  65                 }
  66                 strbuf_release(&buf);
  67         }
  68
  69         clear_mailmap(&mailmap);
  70         return 0;
  71 }