archive: allow --exec and --remote without equal sign

Allow "--remote repo" and "--exec cmd" in addition to "--remote=repo" and
"--exec=cmd" to make their usage consistent with parameters handled by
parse_options().

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-archive.c

@@ -15,7 +15,7 @@ static int run_remote_archiver(const char *remote, int argc,
 	int fd[2], i, len, rv;
 	struct child_process *conn;
 	const char *exec = "git-upload-archive";
-	int exec_at = 0;
+	int exec_at = 0, exec_value_at = 0;
 
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
@@ -24,7 +24,14 @@ static int run_remote_archiver(const char *remote, int argc,
 				die("multiple --exec specified");
 			exec = arg + 7;
 			exec_at = i;
-			break;
+		} else if (!strcmp(arg, "--exec")) {
+			if (exec_at)
+				die("multiple --exec specified");
+			if (i + 1 >= argc)
+				die("option --exec requires a value");
+			exec = argv[i + 1];
+			exec_at = i;
+			exec_value_at = ++i;
 		}
 	}
 
@@ -32,7 +39,7 @@ static int run_remote_archiver(const char *remote, int argc,
 	conn = git_connect(fd, url, exec, 0);
 
 	for (i = 1; i < argc; i++) {
-		if (i == exec_at)
+		if (i == exec_at || i == exec_value_at)
 			continue;
 		packet_write(fd[1], "argument %s\n", argv[i]);
 	}
@@ -78,6 +85,13 @@ static const char *extract_remote_arg(int *ac, const char **av)
 					die("Multiple --remote specified");
 				remote = arg + 9;
 				continue;
+			} else if (!strcmp(arg, "--remote")) {
+				if (remote)
+					die("Multiple --remote specified");
+				if (++ix >= cnt)
+					die("option --remote requires a value");
+				remote = av[ix];
+				continue;
 			}
 			if (arg[0] != '-')
 				no_more_options = 1;