Simple installer script for a login banner

figurine-loginbanner-installer.sh

@@ -0,0 +1,90 @@
+#!/bin/bash
+
+# Check if the script is run with root privileges
+if [ "$(id -u)" -ne 0 ]; then
+    echo "This script must be run with root privileges. Please use sudo or run as root."
+    exit 1
+fi
+
+# Check the system architecture
+architecture=$(uname -m)
+if [ "$architecture" != "x86_64" ] && [ "$architecture" != "aarch64" ]; then
+    echo "This script is intended for x86_64 or aarch64 (arm64) architectures only. Aborting."
+    exit 1
+fi
+
+force=false
+
+# Check for the -f flag
+while getopts ":f" opt; do
+    case ${opt} in
+        f )
+            force=true
+            ;;
+        \? )
+            echo "Invalid option: $OPTARG" 1>&2
+            exit 1
+            ;;
+    esac
+done
+shift $((OPTIND -1))
+
+# Specify GitHub repository owner and repository name
+repo_owner="arsham"
+repo_name="figurine"
+
+# Check if figurine already exists in /usr/local/bin
+if ! $force && command -v figurine &> /dev/null; then
+    echo "Figurine binary already exists in /usr/local/bin. Use -f flag to force download and installation."
+    exit 1
+fi
+
+# Determine the appropriate file suffix based on the system architecture
+if [ "$architecture" == "x86_64" ]; then
+    file_suffix="figurine_linux_amd64.*"
+elif [ "$architecture" == "aarch64" ]; then
+    file_suffix="figurine_linux_arm64.*"
+fi
+
+# Create a temporary directory
+temp_dir=$(mktemp -d)
+
+# Download the latest release asset to the temporary directory
+curl -s "https://api.github.com/repos/${repo_owner}/${repo_name}/releases/latest" \
+| grep "$file_suffix" \
+| cut -d : -f 2,3 \
+| tr -d \" \
+| wget -qi - -P "$temp_dir"
+
+# Extract the downloaded file
+ls ${temp_dir}
+if [ -e "${temp_dir}/figurine"* ]; then
+    tar -xzf "${temp_dir}/figurine"* -C "$temp_dir"
+else
+    echo "Failed to extract the downloaded file. Exiting."
+    rm -r "$temp_dir"
+    exit 1
+fi
+
+# Move the binary to /usr/local/bin
+mv "${temp_dir}/deploy/figurine" "/usr/local/bin/"
+
+# Clean up temporary directory
+rm -r "$temp_dir"
+
+echo "Latest release downloaded and installed to /usr/local/bin successfully."
+
+# Prompt user for the name
+read -p "Enter a name: " name
+
+# Specify the content for figurine.sh
+figurine_script_content="#!/bin/bash
+
+echo ''
+/usr/local/bin/figurine -f '3d.flf' $name
+"
+
+# Write the content to figurine.sh in /etc/profile.d (force overwrite)
+echo "$figurine_script_content" | sudo tee /etc/profile.d/figurine.sh >/dev/null
+
+echo "Figurine script created successfully in /etc/profile.d/figurine.sh."