Run license activation in an empty directory (#109)

* Run license activation in an empty directory

* Create license directory in entrypoint.sh

action/entrypoint.sh

@@ -1,5 +1,12 @@
 #!/usr/bin/env bash
 
+#
+# Create directory for license activation
+#
+
+ACTIVATE_LICENSE_PATH="$GITHUB_WORKSPACE/_activate-license"
+mkdir -p "$ACTIVATE_LICENSE_PATH"
+
 #
 # Run steps
 #
@@ -8,6 +15,12 @@ source /steps/activate.sh
 source /steps/run_tests.sh
 source /steps/return_license.sh
 
+#
+# Remove license activation directory
+#
+
+rm -r "$ACTIVATE_LICENSE_PATH"
+
 #
 # Instructions for debugging
 #

action/steps/activate.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+# Run in ACTIVATE_LICENSE_PATH directory
+echo "Changing to \"$ACTIVATE_LICENSE_PATH\" directory."
+pushd "$ACTIVATE_LICENSE_PATH"
+
 if [[ -n "$UNITY_LICENSE" ]] || [[ -n "$UNITY_LICENSE_FILE"  ]]; then
   #
   # PERSONAL LICENSE MODE
@@ -102,3 +106,6 @@ else
   echo "Exit code was: $UNITY_EXIT_CODE"
   exit $UNITY_EXIT_CODE
 fi
+
+# Return to previous working directory
+popd

action/steps/return_license.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+# Run in ACTIVATE_LICENSE_PATH directory
+echo "Changing to \"$ACTIVATE_LICENSE_PATH\" directory."
+pushd "$ACTIVATE_LICENSE_PATH"
+
 if [[ -n "$UNITY_SERIAL" ]]; then
   #
   # PROFESSIONAL (SERIAL) LICENSE MODE
@@ -13,3 +17,6 @@ if [[ -n "$UNITY_SERIAL" ]]; then
     -quit \
     -returnlicense
 fi
+
+# Return to previous working directory
+popd