Update 2d_appimage.sh

.devcontainer/Dockerfile

@@ -67,6 +67,10 @@ RUN wget -qO- "https://cmake.org/files/v3.19/cmake-3.19.2-Linux-x86_64.tar.gz" \
     apt-get -y clean && \
     rm -rf /var/lib/apt/lists/*
 
+RUN wget https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage \
+    && chmod +x appimagetool-x86_64.AppImage \
+    && mv appimagetool-x86_64.AppImage /usr/local/bin/appimagetool
+
 # Generating a universally unique ID for the Container
 RUN  dbus-uuidgen > /etc/machine-id
 
@@ -79,4 +83,4 @@ RUN groupadd --gid $USER_GID $USERNAME \
     && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
     && chmod 0440 /etc/sudoers.d/$USERNAME
 
-USER $USERNAME
+USER $USERNAME

scripts/Linux/internal/2d_appimage.sh

@@ -23,8 +23,24 @@ case $i in
 esac
 done
 
-ARCH=$(uname -m)
+# Ensure appimagetool is in the PATH
+if ! command -v appimagetool &> /dev/null
+then
+    echo "appimagetool could not be found, attempting to install it..."
+    wget https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage \
+        && chmod +x appimagetool-x86_64.AppImage \
+        && sudo mv appimagetool-x86_64.AppImage /usr/local/bin/appimagetool
+
+    if ! command -v appimagetool &> /dev/null
+    then
+        echo "Failed to install appimagetool. Please install it manually."
+        exit 1
+    fi
+else
+    echo "appimagetool is already installed."
+fi
 
+ARCH=$(uname -m)
 $RESOURCES_PATH/linux/$ARCH/linuxdeploy --appdir=$INSTALL_PATH \
   --output appimage
 
@@ -34,5 +50,9 @@ STR_VERSION=$($INSTALL_PATH/AppRun --version)
 read -a strarr <<< "$STR_VERSION"
 ML_VERSION=${strarr[1]} #get the meshlab version from the string
 
+# Ensure the packages path exists
+mkdir -p $PACKAGES_PATH
+
+# Move the AppImage to the packages directory
 mkdir -p $PACKAGES_PATH
 mv MeshLab-*.AppImage $PACKAGES_PATH/MeshLab$ML_VERSION-linux_$ARCH.AppImage