#!/usr/bin/env bash## Builds an AppImage as part of the bundling process.## Required environment variables:#   - WORKSPACE_ROOT_DIR: The root directory of the Cargo workspace.#   - DIST_DIR: A temporary directory we can use for staging files as we build the package.#   - OUT_DIR: The directory into which we should place the final package.#   - CARGO_TARGET_OUTPUT_DIR: The cargo target directory containing build output.#   - RELEASE_CHANNEL: The release channel we're bundling (e.g.: "dev").#   - BUNDLE_ID: The app ID for the bundle (e.g.: "dev.warp.WarpDev").#   - EXECUTABLE_PATH: The path to the compiled executable we want to install.#   - BINARY_NAME: The name that the compiled executable should have on the target machine.#   - APPIMAGE_NAME: The name of the AppImage file to produce. STAGE_DIR="$DIST_DIR/appimagepkg"APP_DIR="$DIST_DIR/AppDir" # Extract channel suffix from BINARY_NAMEif [ "$ARTIFACT" = "cli" ]; then  CHANNEL_SUFFIX="${BINARY_NAME#oz}"else  CHANNEL_SUFFIX="${BINARY_NAME#warp}"fiPACKAGE_NAME="warp-terminal$CHANNEL_SUFFIX"  # Adding NO_STRIP to stop linuxdeploy from attempting to strip symbols# from binaries built on a different arch than the current symbol.BUILD_ARCH="${BUILD_ARCH:-$(uname -m)}"if [ "$BUILD_ARCH" != "$(uname -m)" ]; then  export NO_STRIP=1fi cleanup() {  # Delete the directories used as staging areas during the bundling  # process.  if [ -d "$STAGE_DIR" ]; then    rm -rf "$STAGE_DIR"  fi  if [ -d "$APP_DIR" ]; then    rm -rf "$APP_DIR"  fi} # Run cleanup() when the script terminates (whether it succeeded or failed).trap cleanup EXIT # Construct a directory to contain the staged package contents.rm -rf "$STAGE_DIR"mkdir -p "$STAGE_DIR" # Populate the directory with the package contents, in the appropriate# locations.OPT_DIR="/opt/warpdotdev/$PACKAGE_NAME"source "$WORKSPACE_ROOT_DIR/script/linux/bundle_install" "$STAGE_DIR" # Modify the "Exec=" line in the .desktop file to use the name of the installed# binary and not our /usr/bin symlink (which doesn't exist in an AppImage).sed -i -E 's/Exec=warp-terminal/Exec=warp/' "$STAGE_DIR/usr/share/applications/$BUNDLE_ID.desktop" # Find all icon files from inside the package staging directory.ICON_FILES=( $(find "$STAGE_DIR/usr/share/icons" -name "*.png") ) # Make sure there's no lingering AppDir from a previous execution.rm -rf "$APP_DIR" # Run linuxdeploy to create an appropriately-structured AppDir and turn it into# an AppImage, located in OUT_DIR.## We use a custom input plugin (bundled-resources) to copy Warp's bundled# resources into the AppDir alongside the executable, since linuxdeploy only# deploys the binary, desktop file, and icons by default.cd "$OUT_DIR"echo "Running linuxdeploy to create the AppImage"export WARP_BINARY_NAME="$BINARY_NAME"export WARP_PACKAGE_NAME="$PACKAGE_NAME"export WARP_BUNDLED_RESOURCES_DIR="${STAGE_DIR}${OPT_DIR}/resources"export PATH="$WORKSPACE_ROOT_DIR/script/linux:$PATH"linuxdeploy \  --appdir "$APP_DIR" \  --executable "${STAGE_DIR}${OPT_DIR}/$BINARY_NAME" \  --desktop-file "$STAGE_DIR/usr/share/applications/$BUNDLE_ID.desktop" \  $(for i in "${ICON_FILES[@]}"; do echo "--icon-file $i "; done) \  --plugin warp \  --output appimage APPIMAGE_PATH="$OUT_DIR/$APPIMAGE_NAME" # If this is being run within a GitHub action, set an output variable with the# location of the AppImage so it can be referenced by subsequent actions.if [ "${GITHUB_ACTIONS}" == "true" ]; then  echo "::echo::on"  echo "appimage_path=$APPIMAGE_PATH" >> "$GITHUB_OUTPUT"  echo "::echo::off"fi echo "Successfully built AppImage at $APPIMAGE_PATH!"