site_link: Support for custom path and public dir

bin/site_link

@@ -5,14 +5,20 @@
 ########################################################################
 # Creates a link for the webserver pointing a domain to a site.
 #
-# Usage: site_link <site> <domain>
+# Usage: site_link <site> <domain> [<path>]
 #        
 #        <site>    Name of the site (directory in ~/web/sites/)
 #        <domain>  FQDN of the domain (like "example.com")
+#        <path>    Optional destination path for the link
+#                  If not given, the destination will be the "current"
+#                  directory of the site. If the current site directory
+#                  has a "public" directory on the top level, it will
+#                  be the destination of the domain link.
 ########################################################################
 
 site="$1"
 domain="$2"
+path="$3"
 
 if [[ -z "$domain" ]]; then
 	# Print help
@@ -38,9 +44,18 @@ if [[ -e "$HOME/web/$domain" ]]; then
 	exit 1
 fi
 
+# Determine the link destination if not given
+if [[ -z "$path" ]]; then
+	if [[ -d "$HOME/web/sites/$site/current/public" ]]; then
+		path="current/public"
+	else
+		path="current"
+	fi
+fi
+
 # Create link
-echo -e "\033[1mCreating link from site \033[34m$site\033[0;1m to domain \033[34m$domain\033[0;1m...\033[0m"
-if ! ln -s "sites/$site/current" "$HOME/web/$domain"; then
+echo -e "\033[1mCreating link from site \033[34m$site\033[0;1m (path \033[34m$path\033[0;1m) to domain \033[34m$domain\033[0;1m...\033[0m"
+if ! ln -s "sites/$site/$path" "$HOME/web/$domain"; then
 	echo -e " => \033[31mCould not create link at \033[34m$HOME/web/$domain\033[31m.\033[0m" >&2
 	exit 1
 fi