clean up documentation and exit code

action.yml

@@ -5,14 +5,14 @@ inputs:
   unityVersion:
     required: false
     default: 'auto'
-    description: 'Version of unity to use for testing the project. Use "auto" to get from your ProjectSettings/ProjectVersion.txt. Required if using Package Mode.'
+    description: 'Version of unity to use for testing the project. Use "auto" to get from your ProjectSettings/ProjectVersion.txt. ⚠️ If testing a Unity Package, this field is required and cannot be set to "auto".'
   customImage:
     required: false
     default: ''
     description: 'Specific docker image that should be used for testing the project'
   projectPath:
     required: false
-    description: 'Path to the Unity project (or, in package mode, the path to the package directory) to be tested.'
+    description: 'Path to the Unity project or package to be tested.'
   customParameters:
     required: false
     description: 'Extra parameters to configure the Unity editor run.'
@@ -47,7 +47,7 @@ inputs:
   packageMode:
     required: false
     default: false
-    description: 'Whether the tests are being run for a Unity package instead of a Unity project. NOTE: If this is true, any custom docker image you pass must be compatible with apt-get.'
+    description: 'Whether the tests are being run for a Unity package instead of a Unity project. If true, any custom docker image passed to this action must be compatible with apt-get.'
 outputs:
   artifactsPath:
     description: 'Path where the artifacts are stored'

dist/entrypoint.sh

@@ -8,14 +8,14 @@ ACTIVATE_LICENSE_PATH="$GITHUB_WORKSPACE/_activate-license"
 mkdir -p "$ACTIVATE_LICENSE_PATH"
 
 #
-# Check if apt-get is available if in package mode (if not, we must abort since we need to install jq)
+# Check if apt-get is available if in package mode (if not, we must exit since we need to install jq)
 #
 if [ "$PACKAGE_MODE" = "true" ]; then
   echo "Checking if apt-get is installed to install jq."
   apt-get --version > /dev/null 2>&1
   if [ $? -ne 0 ]; then
-    echo "apt-get is not installed. Aborting..."
-    exit
+    echo "apt-get is not installed. Exiting..."
+    exit 1
   fi
 
   # install jq