[PATCH v5 4/9] connect: make parse_connect_url() return separated host and port

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Now that nothing besides CONNECT_DIAG_URL is using hostandport, we can
have parse_connect_url() itself do the host and port splitting.

This still leaves "user@" part of the host, if there is one, which will
be addressed in a subsequent change. This however does add /some/
handling of the "user@" part of the host, in order to pick the port
properly.

Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx>
---
 connect.c             | 30 ++++++++++++++++++------------
 t/t5500-fetch-pack.sh | 32 +++++++++++++++++++++-----------
 2 files changed, 39 insertions(+), 23 deletions(-)

diff --git a/connect.c b/connect.c
index ed1a00d..3428149 100644
--- a/connect.c
+++ b/connect.c
@@ -589,10 +589,11 @@ static char *get_port(char *host)
  * The caller must free() the returned strings.
  */
 static enum protocol parse_connect_url(const char *url_orig, char **ret_host,
-				       char **ret_path)
+				       char **ret_port, char **ret_path)
 {
 	char *url;
 	char *host, *path;
+	const char *port = NULL;
 	char *end;
 	int separator = '/';
 	enum protocol protocol = PROTO_LOCAL;
@@ -647,7 +648,17 @@ static enum protocol parse_connect_url(const char *url_orig, char **ret_host,
 	path = xstrdup(path);
 	*end = '\0';
 
+	get_host_and_port(&host, &port);
+
+	if (*host && !port) {
+		/* The host might contain a user:password string, ignore it
+		 * when searching for the port again */
+		char *end_user = strrchr(host, '@');
+		port = get_port(end_user ? end_user : host);
+	}
+
 	*ret_host = xstrdup(host);
+	*ret_port = port ? xstrdup(port) : NULL;
 	*ret_path = path;
 	free(url);
 	return protocol;
@@ -669,8 +680,7 @@ static struct child_process no_fork = CHILD_PROCESS_INIT;
 struct child_process *git_connect(int fd[2], const char *url,
 				  const char *prog, int flags)
 {
-	char *hostandport, *path, *host;
-	const char *port = NULL;
+	char *host, *port, *path;
 	struct child_process *conn = &no_fork;
 	enum protocol protocol;
 	struct strbuf cmd = STRBUF_INIT;
@@ -680,13 +690,12 @@ struct child_process *git_connect(int fd[2], const char *url,
 	 */
 	signal(SIGCHLD, SIG_DFL);
 
-	protocol = parse_connect_url(url, &hostandport, &path);
-	host = xstrdup(hostandport);
-	get_host_and_port(&host, &port);
+	protocol = parse_connect_url(url, &host, &port, &path);
 	if ((flags & CONNECT_DIAG_URL) && (protocol != PROTO_SSH)) {
 		printf("Diag: url=%s\n", url ? url : "NULL");
 		printf("Diag: protocol=%s\n", prot_name(protocol));
-		printf("Diag: hostandport=%s\n", hostandport ? hostandport : "NULL");
+		printf("Diag: userandhost=%s\n", host ? host : "NULL");
+		printf("Diag: port=%s\n", port ? port : "NONE");
 		printf("Diag: path=%s\n", path ? path : "NULL");
 		conn = NULL;
 	} else if (protocol == PROTO_GIT) {
@@ -752,9 +761,6 @@ struct child_process *git_connect(int fd[2], const char *url,
 			int putty = 0, tortoiseplink = 0;
 			transport_check_allowed("ssh");
 
-			if (!port)
-				port = get_port(host);
-
 			if (flags & CONNECT_DIAG_URL) {
 				printf("Diag: url=%s\n", url ? url : "NULL");
 				printf("Diag: protocol=%s\n", prot_name(protocol));
@@ -762,8 +768,8 @@ struct child_process *git_connect(int fd[2], const char *url,
 				printf("Diag: port=%s\n", port ? port : "NONE");
 				printf("Diag: path=%s\n", path ? path : "NULL");
 
-				free(hostandport);
 				free(host);
+				free(port);
 				free(path);
 				free(conn);
 				return NULL;
@@ -822,8 +828,8 @@ struct child_process *git_connect(int fd[2], const char *url,
 		fd[1] = conn->in;  /* write to child's stdin */
 		strbuf_release(&cmd);
 	}
-	free(hostandport);
 	free(host);
+	free(port);
 	free(path);
 	return conn;
 }
diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index 91a69fc..9acba2b 100755
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -553,7 +553,7 @@ check_prot_path () {
 	Diag: protocol=$2
 	Diag: path=$3
 	EOF
-	git fetch-pack --diag-url "$1" | grep -v hostandport= >actual &&
+	git fetch-pack --diag-url "$1" | grep -v host= | grep -v port= >actual &&
 	test_cmp expected actual
 }
 
@@ -562,22 +562,17 @@ check_prot_host_port_path () {
 	case "$2" in
 		*ssh*)
 		pp=ssh
-		uah=userandhost
-		ehost=$(echo $3 | tr -d "[]")
-		diagport="Diag: port=$4"
 		;;
 		*)
-		pp=$p
-		uah=hostandport
-		ehost=$(echo $3$4 | sed -e "s/22$/:22/" -e "s/NONE//")
-		diagport=""
+		pp=$2
 		;;
 	esac
+	ehost=$(echo $3 | tr -d "[]")
 	cat >exp <<-EOF &&
 	Diag: url=$1
 	Diag: protocol=$pp
-	Diag: $uah=$ehost
-	$diagport
+	Diag: userandhost=$ehost
+	Diag: port=$4
 	Diag: path=$5
 	EOF
 	grep -v "^$" exp >expected
@@ -585,7 +580,7 @@ check_prot_host_port_path () {
 	test_cmp expected actual
 }
 
-for r in repo re:po re/po
+for r in repo re:po re/po re@po
 do
 	# git or ssh with scheme
 	for p in "ssh+git" "git+ssh" git ssh
@@ -608,6 +603,9 @@ do
 			test_expect_success "fetch-pack --diag-url $p://$h:22/$r" '
 				check_prot_host_port_path $p://$h:22/$r $p "$h" 22 "/$r"
 			'
+			test_expect_success "fetch-pack --diag-url $p://$h:22/$r" '
+				check_prot_host_port_path $p://$h:22/$r $p "$h" 22 "/$r"
+			'
 		done
 	done
 	# file with scheme
@@ -644,6 +642,18 @@ do
 			check_prot_host_port_path $h:/~$r $p "$h" NONE "~$r"
 		'
 	done
+	#ssh without scheme with port
+	p=ssh
+	for h in host user@host
+	do
+		test_expect_success "fetch-pack --diag-url [$h:22]:$r" '
+			check_prot_host_port_path [$h:22]:$r $p $h 22 "$r"
+		'
+		# Do "/~" -> "~" conversion
+		test_expect_success "fetch-pack --diag-url [$h:22]:/~$r" '
+			check_prot_host_port_path [$h:22]:/~$r $p $h 22 "~$r"
+		'
+	done
 done
 
 test_expect_success MINGW 'fetch-pack --diag-url file://c:/repo' '
-- 
2.8.2.411.ga331486

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