fix(maclaunch): add ML_SYSTEM env and fix disabled check

Author: hazcod

README.md

@@ -42,6 +42,8 @@ It does **not** alter the contents in any way or moves the file, so it should wo
 
 The name you provide can either be specific to that service or function as a filter to work on multiple services simultaneously.
 
+It can also use the environment variable `ML_SYSTEM=no` to skip anything system-related item.
+
 ## Installation
 
 Installation can be done straight from [my Homebrew tap](https://github.com/hazcod/homebrew-hazcod) via `brew install hazcod/homebrew-hazcod/maclaunch` or just copy `maclaunch.sh` to  your filesystem.
@@ -54,6 +56,8 @@ To list all your services: `maclaunch list`
 
 To list all enabled services: `maclaunch list enabled`
 
+To list all enabled services, ignoring internal ones: `ML_SYSTEM=no maclaunch list enabled`
+
 To list all disabled services: `maclaunch list disabled`
 
 To list all your services including system services: `maclaunch list system`

maclaunch.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+env_system_no_var="ML_SYSTEM"
 startup_dirs=(/Library/LaunchAgents /Library/LaunchDaemons ~/Library/LaunchAgents ~/Library/LaunchDaemons /etc/emond.d/rules/)
 system_dirs=(/System/Library/LaunchAgents /System/Library/LaunchDaemons)
 
@@ -13,6 +14,10 @@ BOLD='\033[1m'
 #--------------------------------------------------------------------------------------------------------------------------------------
 #
 
+function isSystemItemsDisabled() {
+    [[ "${ML_SYSTEM}" == "no" ]]
+}
+
 function join_by { local IFS="$1"; shift; echo "$*"; }
 
 function usage {
@@ -79,6 +84,10 @@ function listCronJobs {
 function listPeriodic() {
     local filter="$1"
 
+    if isSystemItemsDisabled; then
+        return
+    fi
+
     find /etc/periodic -type f | while IFS= read -r name; do
         mode="daily"
 
@@ -131,6 +140,10 @@ function disablePeriodic() {
 function listKernelExtensions {
     local filter="$1"
 
+    if isSystemItemsDisabled; then
+        return
+    fi
+
     getKernelExtensions | while IFS= read -r kextLine; do
 
         kextLoaded="$(echo "$kextLine" | cut -d ' ' -f 3)"
@@ -309,8 +322,10 @@ function listLaunchItems {
 
     # add system dirs too if we supplied the system parameter
     if [ "$filter" == "system" ]; then
-        itemDirectories=("${itemDirectories[@]}" "${system_dirs[@]}")
-        filter=""
+        if ! isSystemItemsDisabled; then
+            itemDirectories=("${itemDirectories[@]}" "${system_dirs[@]}")
+            filter=""
+        fi
     fi
 
     # login hooks
@@ -376,6 +391,10 @@ function listLaunchItems {
             fi
 
             load_items=("${GREEN}${BOLD}disabled")
+
+        # check if enabled is set to false in the plist
+        elif echo "${content}" | tr -d '\n' | tr -d '\t' | tr -d ' ' | grep -q 'enabled</key><false'; then
+            load_items=("${GREEN}${BOLD}disabled")
 
         # if it's not disabled, list the startup triggers
         else