root/builtin/check-mailmap.c

DEFINITIONS

1. check_mailmap
2. cmd_check_mailmap

#include "builtin.h"
#include "mailmap.h"
#include "parse-options.h"
#include "string-list.h"

static int use_stdin;
static const char * const check_mailmap_usage[] = {
N_("git check-mailmap [<options>] <contact>..."),
NULL
};

static const struct option check_mailmap_options[] = {
        OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
        OPT_END()
};

static void check_mailmap(struct string_list *mailmap, const char *contact)
{
        const char *name, *mail;
        size_t namelen, maillen;
        struct ident_split ident;

        if (split_ident_line(&ident, contact, strlen(contact)))
                die(_("unable to parse contact: %s"), contact);

        name = ident.name_begin;
        namelen = ident.name_end - ident.name_begin;
        mail = ident.mail_begin;
        maillen = ident.mail_end - ident.mail_begin;

        map_user(mailmap, &mail, &maillen, &name, &namelen);

        if (namelen)
                printf("%.*s ", (int)namelen, name);
        printf("<%.*s>\n", (int)maillen, mail);
}

int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
{
        int i;
        struct string_list mailmap = STRING_LIST_INIT_NODUP;

        git_config(git_default_config, NULL);
        argc = parse_options(argc, argv, prefix, check_mailmap_options,
                             check_mailmap_usage, 0);
        if (argc == 0 && !use_stdin)
                die(_("no contacts specified"));

        read_mailmap(&mailmap, NULL);

        for (i = 0; i < argc; ++i)
                check_mailmap(&mailmap, argv[i]);
        maybe_flush_or_die(stdout, "stdout");

        if (use_stdin) {
                struct strbuf buf = STRBUF_INIT;
                while (strbuf_getline(&buf, stdin, '\n') != EOF) {
                        check_mailmap(&mailmap, buf.buf);
                        maybe_flush_or_die(stdout, "stdout");
                }
                strbuf_release(&buf);
        }

        clear_mailmap(&mailmap);
        return 0;
}