builtin/check-mailmap.c

   1 #define USE_THE_REPOSITORY_VARIABLE
   2 #include "builtin.h"
   3 #include "config.h"
   4 #include "gettext.h"
   5 #include "ident.h"
   6 #include "mailmap.h"
   7 #include "parse-options.h"
   8 #include "strbuf.h"
   9 #include "string-list.h"
  10 #include "write-or-die.h"
  11
  12 static int use_stdin;
  13 static const char *mailmap_file, *mailmap_blob;
  14 static const char * const check_mailmap_usage[] = {
  15 N_("git check-mailmap [<options>] <contact>..."),
  16 NULL
  17 };
  18
  19 static const struct option check_mailmap_options[] = {
  20         OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
  21         OPT_FILENAME(0, "mailmap-file", &mailmap_file, N_("read additional mailmap entries from file")),
  22         OPT_STRING(0, "mailmap-blob", &mailmap_blob, N_("blob"), N_("read additional mailmap entries from blob")),
  23         OPT_END()
  24 };
  25
  26 static void check_mailmap(struct string_list *mailmap, const char *contact)
  27 {
  28         const char *name, *mail;
  29         size_t namelen, maillen;
  30         struct ident_split ident;
  31
  32         if (!split_ident_line(&ident, contact, strlen(contact))) {
  33                 name = ident.name_begin;
  34                 namelen = ident.name_end - ident.name_begin;
  35                 mail = ident.mail_begin;
  36                 maillen = ident.mail_end - ident.mail_begin;
  37         } else {
  38                 name = NULL;
  39                 namelen = 0;
  40                 mail = contact;
  41                 maillen = strlen(contact);
  42         }
  43
  44         map_user(mailmap, &mail, &maillen, &name, &namelen);
  45
  46         if (namelen)
  47                 printf("%.*s ", (int)namelen, name);
  48         printf("<%.*s>\n", (int)maillen, mail);
  49 }
  50
  51 int cmd_check_mailmap(int argc,
  52                       const char **argv,
  53                       const char *prefix,
  54                       struct repository *repo UNUSED)
  55 {
  56         int i;
  57         struct string_list mailmap = STRING_LIST_INIT_NODUP;
  58
  59         git_config(git_default_config, NULL);
  60         argc = parse_options(argc, argv, prefix, check_mailmap_options,
  61                              check_mailmap_usage, 0);
  62         if (argc == 0 && !use_stdin)
  63                 die(_("no contacts specified"));
  64
  65         read_mailmap(&mailmap);
  66         if (mailmap_blob)
  67                 read_mailmap_blob(&mailmap, mailmap_blob);
  68         if (mailmap_file)
  69                 read_mailmap_file(&mailmap, mailmap_file, 0);
  70
  71         for (i = 0; i < argc; ++i)
  72                 check_mailmap(&mailmap, argv[i]);
  73         maybe_flush_or_die(stdout, "stdout");
  74
  75         if (use_stdin) {
  76                 struct strbuf buf = STRBUF_INIT;
  77                 while (strbuf_getline_lf(&buf, stdin) != EOF) {
  78                         check_mailmap(&mailmap, buf.buf);
  79                         maybe_flush_or_die(stdout, "stdout");
  80                 }
  81                 strbuf_release(&buf);
  82         }
  83
  84         clear_mailmap(&mailmap);
  85         return 0;
  86 }