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From: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>
To: git@vger.kernel.org
Cc: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
	"Junio C Hamano" <gitster@pobox.com>,
	"brian m. carlson" <sandals@crustytoothpaste.net>
Subject: [PATCH v4 2/6] mailinfo: stop parsing options manually
Date: Mon, 10 May 2021 00:12:09 +0700	[thread overview]
Message-ID: <1fb08bb37dc534296b3bf89efc9bfaad67a9b068.1620580178.git.congdanhqx@gmail.com> (raw)
In-Reply-To: <cover.1620580178.git.congdanhqx@gmail.com>

In a later change, mailinfo will learn more options, let's switch to our
robust parse_options framework before that step.

Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
---
 builtin/mailinfo.c | 75 +++++++++++++++++++++++++++-------------------
 1 file changed, 45 insertions(+), 30 deletions(-)

diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
index 77f96177cc..f55549a097 100644
--- a/builtin/mailinfo.c
+++ b/builtin/mailinfo.c
@@ -7,9 +7,13 @@
 #include "utf8.h"
 #include "strbuf.h"
 #include "mailinfo.h"
+#include "parse-options.h"
 
-static const char mailinfo_usage[] =
-	"git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info";
+static const char * const mailinfo_usage[] = {
+	/* TRANSLATORS: keep <> in "<" mail ">" info. */
+	N_("git mailinfo [<options>] <msg> <patch> < mail >info"),
+	NULL,
+};
 
 struct metainfo_charset
 {
@@ -21,6 +25,19 @@ struct metainfo_charset
 	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;
+}
+
 int cmd_mailinfo(int argc, const char **argv, const char *prefix)
 {
 	struct metainfo_charset meta_charset;
@@ -28,36 +45,34 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix)
 	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_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;
 
-	while (1 < argc && argv[1][0] == '-') {
-		if (!strcmp(argv[1], "-k"))
-			mi.keep_subject = 1;
-		else if (!strcmp(argv[1], "-b"))
-			mi.keep_non_patch_brackets_in_subject = 1;
-		else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id"))
-			mi.add_message_id = 1;
-		else if (!strcmp(argv[1], "-u"))
-			meta_charset.policy = CHARSET_DEFAULT;
-		else if (!strcmp(argv[1], "-n"))
-			meta_charset.policy = CHARSET_NO_REENCODE;
-		else if (starts_with(argv[1], "--encoding=")) {
-			meta_charset.policy = CHARSET_EXPLICIT;
-			meta_charset.charset = argv[1] + 11;
-		} else if (!strcmp(argv[1], "--scissors"))
-			mi.use_scissors = 1;
-		else if (!strcmp(argv[1], "--no-scissors"))
-			mi.use_scissors = 0;
-		else if (!strcmp(argv[1], "--no-inbody-headers"))
-			mi.use_inbody_headers = 0;
-		else
-			usage(mailinfo_usage);
-		argc--; argv++;
-	}
+	argc = parse_options(argc, argv, prefix, options, mailinfo_usage, 0);
 
-	if (argc != 3)
-		usage(mailinfo_usage);
+	if (argc != 2)
+		usage_with_options(mailinfo_usage, options);
 
 	switch (meta_charset.policy) {
 	case CHARSET_DEFAULT:
@@ -75,8 +90,8 @@ int cmd_mailinfo(int argc, const char **argv, const char *prefix)
 	mi.input = stdin;
 	mi.output = stdout;
 
-	msgfile = prefix_filename(prefix, argv[1]);
-	patchfile = prefix_filename(prefix, argv[2]);
+	msgfile = prefix_filename(prefix, argv[0]);
+	patchfile = prefix_filename(prefix, argv[1]);
 
 	status = !!mailinfo(&mi, msgfile, patchfile);
 	clear_mailinfo(&mi);
-- 
2.31.1.448.g9c2f8508d1


  parent reply	other threads:[~2021-05-09 17:12 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-21  1:34 [PATCH] mailinfo: strip CR from base64/quoted-printable email Đoàn Trần Công Danh
2021-04-21  2:09 ` Junio C Hamano
2021-04-21  3:32 ` brian m. carlson
2021-04-21 12:07   ` Đoàn Trần Công Danh
2021-04-22  1:10     ` brian m. carlson
2021-05-04 17:19 ` [PATCH v2 0/5] Teach am/mailinfo to process quoted CR Đoàn Trần Công Danh
2021-05-04 17:19   ` [PATCH v2 1/5] mailinfo: avoid magic number in option parsing Đoàn Trần Công Danh
2021-05-04 17:19   ` [PATCH v2 2/5] mailinfo: warn if CR found in base64/quoted-printable email Đoàn Trần Công Danh
2021-05-05  3:41     ` Junio C Hamano
2021-05-04 17:20   ` [PATCH v2 3/5] mailinfo: skip quoted CR on user's wish Đoàn Trần Công Danh
2021-05-05  4:12     ` Junio C Hamano
2021-05-05 15:53       ` Đoàn Trần Công Danh
2021-05-04 17:20   ` [PATCH v2 4/5] mailinfo: strip quoted CR on users' wish Đoàn Trần Công Danh
2021-05-05  4:27     ` Junio C Hamano
2021-05-04 17:20   ` [PATCH v2 5/5] am: learn to process quoted lines that ends with CRLF Đoàn Trần Công Danh
2021-05-05  4:31   ` [PATCH v2 0/5] Teach am/mailinfo to process quoted CR Junio C Hamano
2021-05-06 15:02 ` [PATCH v3 0/6] " Đoàn Trần Công Danh
2021-05-06 15:02   ` [PATCH v3 1/6] mailinfo: load default metainfo_charset lazily Đoàn Trần Công Danh
2021-05-06 15:02   ` [PATCH v3 2/6] mailinfo: stop parsing options manually Đoàn Trần Công Danh
2021-05-08 10:44     ` Junio C Hamano
2021-05-06 15:02   ` [PATCH v3 3/6] mailinfo: warn if CR found in decoded base64/QP email Đoàn Trần Công Danh
2021-05-08 10:52     ` Junio C Hamano
2021-05-06 15:02   ` [PATCH v3 4/6] mailinfo: allow squelching quoted CR warning Đoàn Trần Công Danh
2021-05-06 15:02   ` [PATCH v3 5/6] mailinfo: allow stripping quoted CR without warning Đoàn Trần Công Danh
2021-05-06 15:02   ` [PATCH v3 6/6] am: learn to process quoted lines that ends with CRLF Đoàn Trần Công Danh
2021-05-08 10:57   ` [PATCH v3 0/6] Teach am/mailinfo to process quoted CR Junio C Hamano
     [not found] ` <cover.1620309355.git.congdanhqx@gmail.com>
2021-05-06 15:02   ` [PATCH v3 2/6] mailinfo: stop parse options manually Đoàn Trần Công Danh
2021-05-06 15:19     ` Đoàn Trần Công Danh
2021-05-09 17:12 ` [PATCH v4 0/6] Teach am/mailinfo to process quoted CR Đoàn Trần Công Danh
2021-05-09 17:12   ` [PATCH v4 1/6] mailinfo: load default metainfo_charset lazily Đoàn Trần Công Danh
2021-05-09 17:12   ` Đoàn Trần Công Danh [this message]
2021-05-09 17:12   ` [PATCH v4 3/6] mailinfo: warn if CRLF found in decoded base64/QP email Đoàn Trần Công Danh
2021-05-09 17:12   ` [PATCH v4 4/6] mailinfo: allow squelching quoted CRLF warning Đoàn Trần Công Danh
2021-05-09 17:12   ` [PATCH v4 5/6] mailinfo: allow stripping quoted CR without warning Đoàn Trần Công Danh
2021-05-09 17:12   ` [PATCH v4 6/6] am: learn to process quoted lines that ends with CRLF Đoàn Trần Công Danh

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