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