[PATCH] scripts/oe-git-proxy-socks-command: Add fallback to use nc

[Richard Purdie <richard.purdie@linuxfoundation.org>]

If our own proxy command isn't available for some reason and nc is available,
fall back to use it.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
diff --git a/scripts/oe-git-proxy-socks-command b/scripts/oe-git-proxy-socks-command
index 39e0acb..8acffb5 100755
--- a/scripts/oe-git-proxy-socks-command
+++ b/scripts/oe-git-proxy-socks-command
@@ -8,10 +8,16 @@ if [ -z "$PROXYSOCKS" -a -e "$SCRIPTDIR/oe-git-proxy-socks.c" ]; then
 fi
 PROXYSOCKS=`which oe-git-proxy-socks 2> /dev/null`
 if [ ! -x "$PROXYSOCKS" ]; then
-	# If that fails, explain to the user
-	echo "Unable to find oe-git-proxy-socks. This is usually created with the command"
-	echo "'gcc scripts/oe-git-proxy-socks.c -o scripts/oe-git-proxy-socks' which we tried"
-	echo "but it doesn't seem to have worked. Please compile the binary manually."
-	exit 1
+	# If that fails, we can see if netcat (nc) is available
+	NETCAT=`which nc 2> /dev/null`
+	if [ ! -x "$NETCAT" ]; then
+		# If that fails, explain to the user
+		echo "Unable to find oe-git-proxy-socks. This is usually created with the command"
+		echo "'gcc scripts/oe-git-proxy-socks.c -o scripts/oe-git-proxy-socks' which we tried"
+		echo "but it doesn't seem to have worked. Please compile the binary manually."
+		echo "Alternativly, install nc (netcat) on this machine."
+		exit 1
+	fi
+	exec $NETCAT -x $GIT_PROXY_HOST:$GIT_PROXY_PORT "$@"
 fi
 oe-git-proxy-socks -S $GIT_PROXY_HOST:$GIT_PROXY_PORT $@