Test for gopath

src/freedombone

@@ -2638,13 +2638,18 @@ function create_mirrors {
 }
 
 function select_go_version {
-	if [ ! -d $HOME/.gvm/scripts ]; then
-		echo $'GVM was not installed'
-		exit 629532
-	fi
+    if [ ! -d $HOME/.gvm/scripts ]; then
+        echo $'GVM was not installed'
+        exit 629532
+    fi
     cd $HOME/.gvm/scripts
     gvm use go${GO_VERSION} --default
-    systemctl set-environment GOPATH=$GOPATH	
+    systemctl set-environment GOPATH=$GOPATH
+
+    if [ ${#GOPATH} -lt 2 ]; then
+        echo $'GOPATH was not set'
+        exit 629825
+    fi
 }
 
 function mesh_cjdns_tools {
@@ -2658,13 +2663,13 @@ function mesh_cjdns_tools {
         mesh_cjdns
     fi
 
-	select_go_version
+    select_go_version
 
     apt-get -y install golang mercurial
     if [ ! -f ~/.bashrc ]; then
         touch ~/.bashrc
     fi
-	
+    
     if [ ! -d /home/git ]; then
         # add a gogs user account
         adduser --disabled-login --gecos 'Gogs' git