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[PATCH v2 4/5] ls-remote: use parse-options api

From
Thomas Gummerer <t.gummerer@gmail.com>
Date
Jan 18, 2016, 16:57 UTC
Message-ID
<1453136238-19448-5-git-send-email-t.gummerer@gmail.com>
In-Reply-To
<1453136238-19448-1-git-send-email-t.gummerer@gmail.com>

Currently ls-remote uses a hand rolled parser for the its command line arguments. Use the parse-options api instead of the hand rolled parser to simplify the code and make it easier to add new arguments. In addition this improves the help message.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
---
 builtin/ls-remote.c | 82 +++++++++++++++++++----------------------------------
 1 file changed, 29 insertions(+), 53 deletions(-)
diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index db21e52..3a20378 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c
@@ -3,9 +3,11 @@
 #include "transport.h"
 #include "remote.h"
 
-static const char ls_remote_usage[] =
-"git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
-"                     [-q | --quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]";
+static const char * const ls_remote_usage[] = {
+	N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
+	   "                     [-q | --quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]"),
+	NULL
+};
 
 /*
  * Is there one among the list of patterns that match the tail part
@@ -30,7 +32,6 @@ static int tail_match(const char **pattern, const char *path)
 
 int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 {
-	int i;
 	const char *dest = NULL;
 	unsigned flags = 0;
 	int get_url = 0;
@@ -43,59 +44,34 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 	struct transport *transport;
 	const struct ref *ref;
 
-	if (argc == 2 && !strcmp("-h", argv[1]))
-		usage(ls_remote_usage);
+	struct option options[] = {
+		OPT__QUIET(&quiet, N_("do not print remote URL")),
+		OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
+			   N_("path of git-upload-pack on the remote host")),
+		{ OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
+			   N_("path of git-upload-pack on the remote host"),
+			   PARSE_OPT_HIDDEN },
+		OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
+		OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
+		OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
+		OPT_BOOL(0, "get-url", &get_url,
+			 N_("take url.<base>.insteadOf into account")),
+		OPT_SET_INT(0, "exit-code", &status,
+			    N_("exit with exit code 2 if no matching refs are found"), 2),
+		OPT_END()
+	};
 
-	for (i = 1; i < argc; i++) {
-		const char *arg = argv[i];
+	argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
+			     PARSE_OPT_STOP_AT_NON_OPTION);
+	dest = argv[0];
 
-		if (*arg == '-') {
-			if (starts_with(arg, "--upload-pack=")) {
-				uploadpack = arg + 14;
-				continue;
-			}
-			if (starts_with(arg, "--exec=")) {
-				uploadpack = arg + 7;
-				continue;
-			}
-			if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
-				flags |= REF_TAGS;
-				continue;
-			}
-			if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
-				flags |= REF_HEADS;
-				continue;
-			}
-			if (!strcmp("--refs", arg)) {
-				flags |= REF_NORMAL;
-				continue;
-			}
-			if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
-				quiet = 1;
-				continue;
-			}
-			if (!strcmp("--get-url", arg)) {
-				get_url = 1;
-				continue;
-			}
-			if (!strcmp("--exit-code", arg)) {
-				/* return this code if no refs are reported */
-				status = 2;
-				continue;
-			}
-			usage(ls_remote_usage);
-		}
-		dest = arg;
-		i++;
-		break;
+	if (argc > 1) {
+		int i;
+		pattern = xcalloc(argc, sizeof(const char *));
+		for (i = 1; i < argc; i++)
+			pattern[i - 1] = xstrfmt("*/%s", argv[i]);
 	}
 
-	if (argv[i]) {
-		int j;
-		pattern = xcalloc(argc - i + 1, sizeof(const char *));
-		for (j = i; j < argc; j++)
-			pattern[j - i] = xstrfmt("*/%s", argv[j]);
-	}
 	remote = remote_get(dest);
 	if (!remote) {
 		if (dest)
-- 
2.7.0.30.gd0a78e9.dirty
Previous: Thomas GummererNext: Jeff King
Message 26 of 44 in “ls-remote: introduce symref argument”
  1. 0/4 ls-remote: introduce symref argumentThomas Gummerer, Jan 17, 2016
  2. 1/4 ls-remote: document --quiet optionThomas Gummerer, Jan 17, 2016
  3. Jeff KingJan 17, 2016
  4. Thomas GummererJan 17, 2016
  5. 2/4 ls-remote: fix synopsisThomas Gummerer, Jan 17, 2016
  6. 3/4 ls-remote: use parse-options apiThomas Gummerer, Jan 17, 2016
  7. Jeff KingJan 17, 2016
  8. Thomas GummererJan 17, 2016
  9. 4/4 builtin/ls-remote: add support for showing symrefsThomas Gummerer, Jan 17, 2016
  10. Thomas GummererJan 17, 2016
  11. 4/4 ls-remote: add support for showing symrefsThomas Gummerer, Jan 17, 2016
  12. Jeff KingJan 17, 2016
  13. Thomas GummererJan 17, 2016
  14. Junio C HamanoJan 17, 2016
  15. Thomas GummererJan 17, 2016
  16. Jeff KingJan 17, 2016
  17. Thomas GummererJan 17, 2016
  18. Junio C HamanoJan 17, 2016
  19. 0/5 ls-remote: introduce symrefs argumentThomas Gummerer, Jan 18, 2016
  20. 1/5 ls-remote: document --quiet optionThomas Gummerer, Jan 18, 2016
  21. 2/5 ls-remote: document --refs optionThomas Gummerer, Jan 18, 2016
  22. Jeff KingJan 18, 2016
  23. Junio C HamanoJan 18, 2016
  24. Thomas GummererJan 18, 2016
  25. 3/5 ls-remote: fix synopsisThomas Gummerer, Jan 18, 2016
  26. 4/5 ls-remote: use parse-options apiThomas Gummerer, Jan 18, 2016
  27. Jeff KingJan 18, 2016
  28. 5/5 ls-remote: add support for showing symrefsThomas Gummerer, Jan 18, 2016
  29. Jeff KingJan 18, 2016
  30. Jeff KingJan 18, 2016
  31. Thomas GummererJan 18, 2016
  32. Thomas GummererJan 18, 2016
  33. Jeff KingJan 18, 2016
  34. Thomas GummererJan 18, 2016
  35. Junio C HamanoJan 18, 2016
  36. Thomas GummererJan 18, 2016
  37. Jeff KingJan 18, 2016
  38. 0/5 ls-remote: introduce symref argumentThomas Gummerer, Jan 18, 2016
  39. 1/5 ls-remote: document --quiet optionThomas Gummerer, Jan 18, 2016
  40. 2/5 ls-remote: document --refs optionThomas Gummerer, Jan 18, 2016
  41. 3/5 ls-remote: fix synopsisThomas Gummerer, Jan 18, 2016
  42. 4/5 ls-remote: use parse-options apiThomas Gummerer, Jan 18, 2016
  43. 5/5 ls-remote: add support for showing symrefsThomas Gummerer, Jan 18, 2016
  44. Junio C HamanoJan 19, 2016

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