appimage-exec.sh

#!${runtimeShell}
if [ $# -eq 0 ]; then
  echo "Usage: $0 FILE [OPTION...]"
  echo
  echo 'Options are passed on to the appimage.'
  echo "If you want to execute a custom command in the appimage's environment, set the APPIMAGE_DEBUG_EXEC environment variable."
  exit 1
fi
APPIMAGE="$(realpath "$1")"
shift

if [ ! -x "$APPIMAGE" ]; then
  echo "fatal: $APPIMAGE is not executable"
  exit 1
fi

SHA256="$(@coreutils@/bin/sha256sum "$APPIMAGE" | cut -d ' ' -f 1)"
SQUASHFS_ROOT="''${XDG_CACHE_HOME:-$HOME/.cache}/appimage-run/$SHA256/"
mkdir -p "$SQUASHFS_ROOT"

export APPDIR="$SQUASHFS_ROOT/squashfs-root"
if [ ! -x "$APPDIR" ]; then
  cd "$SQUASHFS_ROOT"

  if @file@/bin/file --mime-type --brief --keep-going "$APPIMAGE" | grep -q iso; then
    # is type-1 appimage
    mkdir "$APPDIR"
    @libarchive@/bin/bsdtar -x -C "$APPDIR" -f "$APPIMAGE"
  else
    # is type-2 appimage
    "$APPIMAGE" --appimage-extract 2>/dev/null
  fi
fi

cd "$APPDIR"
export PATH="$PATH:$PWD/usr/bin"
export APPIMAGE_SILENT_INSTALL=1

if [ -n "$APPIMAGE_DEBUG_EXEC" ]; then
  exec "$APPIMAGE_DEBUG_EXEC"
fi

exec ./AppRun "$@"