* Add helptext for `pihole checkout ftl`

* Only attempt to install FTL if branch was found
* ~~corebranches~~ webbranches (web branches now actually listed)

Signed-off-by: Adam Warner <adamw@rner.email>

advanced/Scripts/piholeCheckout.sh

@@ -303,12 +303,12 @@ checkout() {
     fi
     webbranches=($(get_available_branches "${webInterfaceDir}"))
 
-    if [[ "${corebranches[@]}" == *"master"* ]]; then
+    if [[ "${webbranches[@]}" == *"master"* ]]; then
       echo -e "${OVER}  ${TICK} $str
   ${INFO} ${#webbranches[@]} branches available for Web Admin"
     else
       # Print STDERR output from get_available_branches
-      echo -e "${OVER}  ${CROSS} $str\n\n${corebranches[*]}"
+      echo -e "${OVER}  ${CROSS} $str\n\n${webbranches[*]}"
       exit 1
     fi
 
@@ -329,12 +329,11 @@ checkout() {
 
     if check_download_exists "$path"; then
         echo "  ${TICK} Branch ${2} exists"
+        FTLinstall "${binary}" "${path}"
     else
         echo "  ${CROSS} Requested branch \"${2}\" is not available"
     fi
 
-    FTLinstall "${binary}" "${path}"
-
   else
     echo -e "  ${INFO} Requested option \"${1}\" is not available"
     exit 1

pihole

@@ -429,15 +429,15 @@ Time:
     # Enable Pi-hole
     echo -e "  ${INFO} Enabling blocking"
     local str="Pi-hole Enabled"
-    
+
     sed -i 's/^#addn-hosts/addn-hosts/' /etc/dnsmasq.d/01-pihole.conf
     if [[ -e "/etc/pihole/wildcard.list" ]]; then
       mv "/etc/pihole/wildcard.list" "$wildcardlist"
     fi
   fi
-  
+
   restartDNS
-  
+
   echo -e "${OVER}  ${TICK} ${str}"
 }
 
@@ -535,6 +535,7 @@ Switch Pi-hole subsystems to a different Github branch
 Repositories:
   core [branch]       Change the branch of Pi-hole's core subsystem
   web [branch]        Change the branch of Admin Console subsystem
+  ftl [branch]        Change the branch of Pi-hole's FTL subsystem
 
 Branches:
   master              Update subsystems to the latest stable release