builtin/check-mailmap.c

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