builtin / check-mailmap.con commit clone: extract function from copy_or_link_directory (14954b7)
   1#include "builtin.h"
   2#include "config.h"
   3#include "mailmap.h"
   4#include "parse-options.h"
   5#include "string-list.h"
   6
   7static int use_stdin;
   8static const char * const check_mailmap_usage[] = {
   9N_("git check-mailmap [<options>] <contact>..."),
  10NULL
  11};
  12
  13static const struct option check_mailmap_options[] = {
  14        OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
  15        OPT_END()
  16};
  17
  18static 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
  39int 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}