fixed launcher script

.github/workflows/snap.yaml

@@ -29,9 +29,9 @@ jobs:
       env:
         SNAPCRAFT_ENABLE_EXPERIMENTAL_EXTENSIONS: 1
 
-    # # Make sure the snap is installable
-    # - run: |
-    #     sudo snap install --dangerous ${{ steps.build-snap.outputs.snap }}
+    # Make sure the snap is installable
+    - run: |
+        sudo snap install --dangerous ${{ steps.build-snap.outputs.snap }}
 
     # Save snap for subsequent job(s)
     - uses: actions/upload-artifact@v3

snap/local/launcher.sh

@@ -1,38 +1,26 @@
 #!/bin/bash -e
 
-log() {
-    local message="$1"
-    # Log the message with logger
-    logger -t "${SNAP_NAME}" "launcher: $message"
-}
-
-log_and_echo() {
-    local message="$1"
-    # Log the message with logger
-    logger -t "${SNAP_NAME}" "configure hook: $message"
-    # Echo the message to standard error
-    echo >&2 "$message"
-}
+source $SNAP/usr/bin/utils.sh
 
 # Iterate over the snap parameters and retrieve their value.
 # If a value is set, it is forwarded to the launch file.
 
-OPTIONS="\
-    name \
-    parent-frame \
-    camera-model \
-    cam-pos-x \
-    cam-pos-y \
-    cam-pos-z \
-    cam-roll \
-    cam-pitch \
-    cam-yaw \
-    params-file \
-"
+OPTIONS=(
+  name
+  parent-frame
+  camera-model
+  cam-pos-x
+  cam-pos-y
+  cam-pos-z
+  cam-roll
+  cam-pitch
+  cam-yaw
+  params-file
+)
 
 LAUNCH_OPTIONS=""
 
-for OPTION in ${OPTIONS}; do
+for OPTION in "${OPTIONS[@]}"; do
   VALUE="$(snapctl get driver.${OPTION})"
   if [ -n "${VALUE}" ]; then
     OPTION_WITH_UNDERSCORE=$(echo ${OPTION} | tr - _)