docs: update README for manual installation

README.md

@@ -85,17 +85,12 @@ sudo apt-get install globalprotect-openconnect
 
 #### **Ubuntu 24.04 and later**
 
-The `libwebkit2gtk-4.0-37` package was [removed](https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/2061914) from its repo, before [the issue](https://github.com/yuezk/GlobalProtect-openconnect/issues/351) gets resolved, you need to install them manually:
+The `libwebkit2gtk-4.0-37` package was [removed](https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/2061914) from its repo. You can use the [`deb-install.sh`](./scripts/deb-install.sh) script to install the package:
 
 ```bash
-wget http://launchpadlibrarian.net/704701349/libwebkit2gtk-4.0-37_2.43.3-1_amd64.deb
-wget http://launchpadlibrarian.net/704701345/libjavascriptcoregtk-4.0-18_2.43.3-1_amd64.deb
-
-sudo dpkg --install *.deb
+curl -o- https://raw.githubusercontent.com/yuezk/GlobalProtect-openconnect/main/scripts/deb-install.sh | bash
 ```
 
-And the latest package is not available in the PPA, you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.
-
 #### **Ubuntu 18.04**
 
 The latest package is not available in the PPA either, but you still needs to add the `ppa:yuezk/globalprotect-openconnect` repo beforehand to use the required `openconnect` package. Then you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.

scripts/deb-install.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Usage: ./deb-install.sh <version>
+
+usage() {
+  echo "Usage: $0 <version>"
+  echo "Example: $0 2.3.9"
+  exit 1
+}
+
+if [ $# -ne 1 ]; then
+  usage
+fi
+
+VERSION=$1
+
+# Check the architecture, only support x86_64 and aarch64/arm64
+ARCH=$(uname -m)
+
+# Normalize the architecture name
+if [ "$ARCH" == "x86_64" ]; then
+  ARCH="amd64"
+elif [ "$ARCH" == "aarch64" ] || [ "$ARCH" == "arm64" ]; then
+  ARCH="arm64"
+else
+  echo "Unsupported architecture: $ARCH"
+  exit 1
+fi
+
+LIB_JAVASCRIPT_x86="http://launchpadlibrarian.net/704701345/libjavascriptcoregtk-4.0-18_2.43.3-1_amd64.deb"
+LIB_WEBKIT_x86="http://launchpadlibrarian.net/704701349/libwebkit2gtk-4.0-37_2.43.3-1_amd64.deb"
+
+LIB_JAVASCRIPT_arm="http://launchpadlibrarian.net/704735771/libjavascriptcoregtk-4.0-18_2.43.3-1_arm64.deb"
+LIB_WEBKIT_arm="http://launchpadlibrarian.net/704735777/libwebkit2gtk-4.0-37_2.43.3-1_arm64.deb"
+
+DEB_URL="https://github.com/yuezk/GlobalProtect-openconnect/releases/download/v${VERSION}/globalprotect-openconnect_${VERSION}-1_${ARCH}.deb"
+
+# Install the dependencies
+if [ "$ARCH" == "amd64" ]; then
+  wget -O /tmp/libjavascriptcoregtk.deb $LIB_JAVASCRIPT_x86
+  wget -O /tmp/libwebkit2gtk.deb $LIB_WEBKIT_x86
+else
+  wget -O /tmp/libjavascriptcoregtk.deb $LIB_JAVASCRIPT_arm
+  wget -O /tmp/libwebkit2gtk.deb $LIB_WEBKIT_arm
+fi
+
+sudo dpkg -i /tmp/libjavascriptcoregtk.deb /tmp/libwebkit2gtk.deb
+
+# Install the package
+wget -O /tmp/globalprotect-openconnect.deb $DEB_URL
+sudo apt install --fix-broken -y /tmp/globalprotect-openconnect.deb
+
+# Clean up
+rm /tmp/libjavascriptcoregtk.deb /tmp/libwebkit2gtk.deb /tmp/globalprotect-openconnect.deb
+
+echo ""
+echo "GlobalProtect OpenConnect VPN client has been installed successfully."