Add exclude powers option. Add subshell to isolate variables.

src/octopower

@@ -3,8 +3,8 @@
 # Program name
 PROGRAM_NAME="OctoPower"
 PROGRAM_CODE="octopower"
-PROGRAM_VERSION="1.0.1"
-PROGRAM_V="1.0"
+PROGRAM_VERSION="2.0.0"
+PROGRAM_V="2.0"
 PROGRAM_URL="https://git.vdm.dev/octoleo/${PROGRAM_CODE}"
 
 # Do some prep work
@@ -29,6 +29,8 @@ command -v sed >/dev/null 2>&1 || {
   exit 1
 }
 
+# Subshell to isolate variables
+(
   # main function ˘Ô≈ôﺣ
   function main() {
     # check if we have project overrides for the environment variables
@@ -219,6 +221,14 @@ function setPowers() {
     local has_powers=false
     # load all the repositories
     loadSuperpowerRepositories || return 13
+    # Check if the .exclude-powers[] field exists and is not empty
+    if [ "$(echo "${VDM_CONFIG_DATA}" | jq '.exclude_powers | length')" -gt 0 ]; then
+      # Iterate over the exclude-powers array
+      for exclude_power in $(echo "${VDM_CONFIG_DATA}" | jq -r '.exclude_powers[]'); do
+        # Load the exclude power
+        loadExcludePower "${exclude_power}"
+      done
+    fi
     # search for the powers
     for power in $(echo "${VDM_CONFIG_DATA}" | jq -r '.powers[]'); do
       # load the power
@@ -230,16 +240,54 @@ function setPowers() {
     return 0
   }
 
+  # load the exclude power
+  function loadExcludePower() {
+    local guid="$1"
+    if [[ $guid == "//"* ]]; then
+      return 0 # skip comments ;)
+    elif [ ${#guid} -ge 30 ] && validateGuid "${guid}"; then
+      setExcludePower "$guid" || return 19
+      return 0
+    fi
+    return 0
+  }
+
+  # set the exclude power found
+  function setExcludePower() {
+    local guid="$1"
+
+    # Remove the power from VDM_POWERS if it exists
+    if existingPower "$guid"; then
+      VDM_POWERS=$(jq --arg guid "$guid" '
+        map(select(. != $guid))
+      ' <<< "$VDM_POWERS")
+    fi
+
+    # check if we have already loaded this power
+    existingExcludePower "${guid}" && return 0
+
+    # Add the guid to VDM_EXCLUDE_POWERS
+    VDM_EXCLUDE_POWERS=$(jq --arg guid "$guid" '
+      . + [ $guid ]
+    ' <<< "$VDM_EXCLUDE_POWERS")
+
+    return 0
+  }
+
   # load the power
   function loadPower() {
     local guid="$1"
     if [[ $guid == "//"* ]]; then
       return 0 # skip comments ;)
     elif [ ${#guid} -ge 30 ] && validateGuid "${guid}"; then
+      if  existingExcludePower "$guid"; then
+        return 0 # skip excluded ;)
+      else
         setPower "$guid" || return 19
         loadChildrenPowers "$guid" || return 19
         return 0
       fi
+    fi
     return 19
   }
 
@@ -362,6 +410,23 @@ function loadChildrenPowers() {
     return 0
   }
 
+  # Check if a given power already exists in VDM_EXCLUDE_POWERS
+  function existingExcludePower() {
+    local guid="$1"
+    local exists
+
+    # Check if the power is already in VDM_EXCLUDE_POWERS
+    exists=$(jq --arg guid "$guid" '
+        map(select(. == $guid)) | length > 0
+      ' <<< "$VDM_EXCLUDE_POWERS")
+
+    if [ "$exists" = "true" ]; then
+      return 0  # GUID exists
+    else
+      return 1  # GUID does not exist
+    fi
+  }
+
   # Check if a given power already exists in VDM_POWERS
   function existingPower() {
     local guid="$1"
@@ -1857,8 +1922,10 @@ if [ -f "$VDM_ENV_FILE_PATH" ]; then
   fi
 
   # Initialize the global JSON array if not already initialized
-VDM_SUPERPOWERS=${VDM_SUPERPOWERS:-"[]"}
-VDM_POWERS=${VDM_POWERS:-"[]"}
+  : "${VDM_SUPERPOWERS:="[]"}"
+  : "${VDM_POWERS:="[]"}"
+  : "${VDM_EXCLUDE_POWERS:="[]"}"
+
   # Create a global temporary file to store the dataset
   VDM_SUPERPOWERS_FILE=$(mktemp)
   # Initialize the global variable as an empty array or use the environment value if provided
@@ -1907,6 +1974,7 @@ fi
   }
 
   # run Main ┬┴┬┴┤(･_├┬┴┬┴
-main
+  main "$@"
+)
 
 exit 0