builtin / check-mailmap.con commit rev-parse: let some options run outside repository (fc7d47f)
   1#include "builtin.h"
   2#include "mailmap.h"
   3#include "parse-options.h"
   4#include "string-list.h"
   5
   6static int use_stdin;
   7static const char * const check_mailmap_usage[] = {
   8N_("git check-mailmap [<options>] <contact>..."),
   9NULL
  10};
  11
  12static const struct option check_mailmap_options[] = {
  13        OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
  14        OPT_END()
  15};
  16
  17static 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
  38int 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(&buf, stdin, '\n') != 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}