builtin: add git-check-mailmap command
Introduce command check-mailmap, similar to check-attr and check-ignore, which allows direct testing of .mailmap configuration. As plumbing accessible to scripts and other porcelain, check-mailmap publishes the stable, well-tested .mailmap functionality employed by built-in Git commands. Consequently, script authors need not re-implement .mailmap functionality manually, thus avoiding potential quirks and behavioral differences. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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committed by
Junio C Hamano

parent
7a3187eb78
commit
226ad3482a
66
builtin/check-mailmap.c
Normal file
66
builtin/check-mailmap.c
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#include "builtin.h"
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#include "mailmap.h"
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#include "parse-options.h"
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#include "string-list.h"
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static int use_stdin;
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static const char * const check_mailmap_usage[] = {
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N_("git check-mailmap [options] <contact>..."),
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NULL
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};
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static const struct option check_mailmap_options[] = {
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OPT_BOOL(0, "stdin", &use_stdin, N_("also read contacts from stdin")),
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OPT_END()
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};
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static void check_mailmap(struct string_list *mailmap, const char *contact)
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{
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const char *name, *mail;
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size_t namelen, maillen;
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struct ident_split ident;
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if (split_ident_line(&ident, contact, strlen(contact)))
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die(_("unable to parse contact: %s"), contact);
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name = ident.name_begin;
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namelen = ident.name_end - ident.name_begin;
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mail = ident.mail_begin;
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maillen = ident.mail_end - ident.mail_begin;
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map_user(mailmap, &mail, &maillen, &name, &namelen);
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if (namelen)
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printf("%.*s ", (int)namelen, name);
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printf("<%.*s>\n", (int)maillen, mail);
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}
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int cmd_check_mailmap(int argc, const char **argv, const char *prefix)
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{
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int i;
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struct string_list mailmap = STRING_LIST_INIT_NODUP;
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git_config(git_default_config, NULL);
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argc = parse_options(argc, argv, prefix, check_mailmap_options,
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check_mailmap_usage, 0);
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if (argc == 0 && !use_stdin)
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die(_("no contacts specified"));
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read_mailmap(&mailmap, NULL);
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for (i = 0; i < argc; ++i)
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check_mailmap(&mailmap, argv[i]);
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maybe_flush_or_die(stdout, "stdout");
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if (use_stdin) {
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struct strbuf buf = STRBUF_INIT;
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while (strbuf_getline(&buf, stdin, '\n') != EOF) {
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check_mailmap(&mailmap, buf.buf);
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maybe_flush_or_die(stdout, "stdout");
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}
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strbuf_release(&buf);
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}
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clear_mailmap(&mailmap);
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return 0;
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}
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