Make DietPi's software tools available during CI build

dietpi/build.sh

@@ -7,6 +7,7 @@ HERE="$(dirname "$(realpath "$0")")"
 REPO_DIR=$(realpath "$HERE/..")
 
 source "$HERE/utils.sh"
+download_dietpi_armv8_tools
 
 ## Create pi-dj user and delete default dietpi user
 default_username=pi-dj
@@ -56,6 +57,9 @@ set_dietpi_config SOFTWARE_DISABLE_SSH_PASSWORD_LOGINS root # Disable SSH passwo
 #
 #
 
+# list all executables on PATH, just for debugging
+echo "$PATH" | tr ':' '\n' | xargs -I{} find {} -maxdepth 1 -executable -type f
+
 ## Install all packages needed for a usable desktop environment
 # 5: Alsa
 # 6: X.Org

dietpi/utils.sh

@@ -13,3 +13,20 @@ function copy_dotfiles() {
   chown -R $default_username:$default_username "/home/$default_username/.config/$config_dir"
   cp -r "$REPO_DIR/desktop/$config_dir" /home/$default_username/.config/
 }
+
+# Downloads the DietPi ARMv8 image and mount the boot partition, so we can use DietPi's software tools
+function download_dietpi_armv8_tools() {
+  tmpdir=$(mktemp -d)
+  cd "$tmpdir" || return
+
+  # download with curl: https://dietpi.com/downloads/images/DietPi_RPi-ARMv8-Bullseye.7z
+  curl -L -o DietPi_RPi-ARMv8-Bullseye.7z https://dietpi.com/downloads/images/DietPi_RPi-ARMv8-Bullseye.7z
+  7zr e DietPi_RPi-ARMv8-Bullseye.7z
+  rm DietPi_RPi-ARMv8-Bullseye.7z
+  mount -t vfat "0.fat" /boot
+
+  # if PATH does not contain /boot, add it
+  if [[ ! "$PATH" =~ "/boot" ]]; then
+    export PATH="$PATH:/boot"
+  fi
+}