builtin/check-mailmap.c

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