[PATCH v3] upload-pack.c: use of parse-options API

[Antoine Queru <Antoine.Queru@xxxxxxxxxxxxxxxxxxxxxxx>]

Option parsing now uses the parser API instead of a local parser.
Code is now more compact.
Description for -stateless-rpc and --advertise-refs
come from the commit 42526b4 (Add stateless RPC options to upload-pack, receive-pack, 2009-10-30).

Signed-off-by: Antoine Queru <antoine.queru@xxxxxxxxxxxxxxx>
Signed-off-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>
---
Change since v2:

Commit message updated. 
WhiteSpace removed after the "setup_path();".
Description for --stateless-rpc changed to : "quit after a single request/response exchange".

For the description, i don't really understand what this option is doing, so i just copy pasted
Junio's sentence. 
 upload-pack.c | 59 +++++++++++++++++++++++++----------------------------------
 1 file changed, 25 insertions(+), 34 deletions(-)

diff --git a/upload-pack.c b/upload-pack.c
index dc802a0..2d53c7b 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -14,8 +14,12 @@
 #include "sigchain.h"
 #include "version.h"
 #include "string-list.h"
+#include "parse-options.h"
 
-static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=<n>] <dir>";
+static const char * const upload_pack_usage[] = {
+	N_("git upload-pack [options] <dir>"),
+	NULL
+};
 
 /* Remember to update object flag allocation in object.h */
 #define THEY_HAVE	(1u << 11)
@@ -817,11 +821,21 @@ static int upload_pack_config(const char *var, const char *value, void *unused)
 	return parse_hide_refs_config(var, value, "uploadpack");
 }
 
-int main(int argc, char **argv)
+int main(int argc, const char **argv)
 {
-	char *dir;
-	int i;
+	const char *dir;
 	int strict = 0;
+	struct option options[] = {
+		OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
+			 N_("quit after a single request/response exchange")),
+		OPT_BOOL(0, "advertise-refs", &advertise_refs,
+			 N_("only the initial ref advertisement is output, program exits immediately")),
+		OPT_BOOL(0, "strict", &strict,
+			 N_("do not try <directory>/.git/ if <directory> is no Git directory")),
+		OPT_INTEGER(0, "timeout", &timeout,
+			    N_("interrupt transfer after <n> seconds of inactivity")),
+		OPT_END()
+	};
 
 	git_setup_gettext();
 
@@ -829,40 +843,17 @@ int main(int argc, char **argv)
 	git_extract_argv0_path(argv[0]);
 	check_replace_refs = 0;
 
-	for (i = 1; i < argc; i++) {
-		char *arg = argv[i];
-
-		if (arg[0] != '-')
-			break;
-		if (!strcmp(arg, "--advertise-refs")) {
-			advertise_refs = 1;
-			continue;
-		}
-		if (!strcmp(arg, "--stateless-rpc")) {
-			stateless_rpc = 1;
-			continue;
-		}
-		if (!strcmp(arg, "--strict")) {
-			strict = 1;
-			continue;
-		}
-		if (starts_with(arg, "--timeout=")) {
-			timeout = atoi(arg+10);
-			daemon_mode = 1;
-			continue;
-		}
-		if (!strcmp(arg, "--")) {
-			i++;
-			break;
-		}
-	}
+	argc = parse_options(argc, argv, NULL, options, upload_pack_usage, 0);
+	
+	if (argc != 1)
+		usage_with_options(upload_pack_usage, options);
 
-	if (i != argc-1)
-		usage(upload_pack_usage);
+	if (timeout)
+		daemon_mode = 1;
 
 	setup_path();
 
-	dir = argv[i];
+	dir = argv[0];
 
 	if (!enter_repo(dir, strict))
 		die("'%s' does not appear to be a git repository", dir);
-- 
2.8.2.403.gf2352ca

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