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-rw-r--r--builtin/mailinfo.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
new file mode 100644
index 0000000..53b55dd
--- /dev/null
+++ b/builtin/mailinfo.c
@@ -0,0 +1,116 @@
+/*
+ * Another stupid program, this one parsing the headers of an
+ * email to figure out authorship and subject
+ */
+#include "builtin.h"
+#include "abspath.h"
+#include "environment.h"
+#include "gettext.h"
+#include "utf8.h"
+#include "strbuf.h"
+#include "mailinfo.h"
+#include "parse-options.h"
+
+static const char * const mailinfo_usage[] = {
+ /* TRANSLATORS: keep <> in "<" mail ">" info. */
+ N_("git mailinfo [<options>] <msg> <patch> < mail >info"),
+ NULL,
+};
+
+struct metainfo_charset
+{
+ enum {
+ CHARSET_DEFAULT,
+ CHARSET_NO_REENCODE,
+ CHARSET_EXPLICIT,
+ } policy;
+ const char *charset;
+};
+
+static int parse_opt_explicit_encoding(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct metainfo_charset *meta_charset = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+
+ meta_charset->policy = CHARSET_EXPLICIT;
+ meta_charset->charset = arg;
+
+ return 0;
+}
+
+static int parse_opt_quoted_cr(const struct option *opt, const char *arg, int unset)
+{
+ BUG_ON_OPT_NEG(unset);
+
+ if (mailinfo_parse_quoted_cr_action(arg, opt->value) != 0)
+ return error(_("bad action '%s' for '%s'"), arg, "--quoted-cr");
+ return 0;
+}
+
+int cmd_mailinfo(int argc, const char **argv, const char *prefix)
+{
+ struct metainfo_charset meta_charset;
+ struct mailinfo mi;
+ int status;
+ char *msgfile, *patchfile;
+
+ struct option options[] = {
+ OPT_BOOL('k', NULL, &mi.keep_subject, N_("keep subject")),
+ OPT_BOOL('b', NULL, &mi.keep_non_patch_brackets_in_subject,
+ N_("keep non patch brackets in subject")),
+ OPT_BOOL('m', "message-id", &mi.add_message_id,
+ N_("copy Message-ID to the end of commit message")),
+ OPT_SET_INT_F('u', NULL, &meta_charset.policy,
+ N_("re-code metadata to i18n.commitEncoding"),
+ CHARSET_DEFAULT, PARSE_OPT_NONEG),
+ OPT_SET_INT_F('n', NULL, &meta_charset.policy,
+ N_("disable charset re-coding of metadata"),
+ CHARSET_NO_REENCODE, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F(0, "encoding", &meta_charset, N_("encoding"),
+ N_("re-code metadata to this encoding"),
+ PARSE_OPT_NONEG, parse_opt_explicit_encoding),
+ OPT_BOOL(0, "scissors", &mi.use_scissors, N_("use scissors")),
+ OPT_CALLBACK_F(0, "quoted-cr", &mi.quoted_cr, N_("<action>"),
+ N_("action when quoted CR is found"),
+ PARSE_OPT_NONEG, parse_opt_quoted_cr),
+ OPT_HIDDEN_BOOL(0, "inbody-headers", &mi.use_inbody_headers,
+ N_("use headers in message's body")),
+ OPT_END()
+ };
+
+ setup_mailinfo(&mi);
+ meta_charset.policy = CHARSET_DEFAULT;
+
+ argc = parse_options(argc, argv, prefix, options, mailinfo_usage, 0);
+
+ if (argc != 2)
+ usage_with_options(mailinfo_usage, options);
+
+ switch (meta_charset.policy) {
+ case CHARSET_DEFAULT:
+ mi.metainfo_charset = get_commit_output_encoding();
+ break;
+ case CHARSET_NO_REENCODE:
+ mi.metainfo_charset = NULL;
+ break;
+ case CHARSET_EXPLICIT:
+ break;
+ default:
+ BUG("invalid meta_charset.policy");
+ }
+
+ mi.input = stdin;
+ mi.output = stdout;
+
+ msgfile = prefix_filename(prefix, argv[0]);
+ patchfile = prefix_filename(prefix, argv[1]);
+
+ status = !!mailinfo(&mi, msgfile, patchfile);
+ clear_mailinfo(&mi);
+
+ free(msgfile);
+ free(patchfile);
+ return status;
+}