fix: install script

install.sh

@@ -1,11 +1,35 @@
 #!/usr/bin/env bash
 
+# Script to download terrabot for Linux
+
 VERSION="v0.3.2"
+FILE_NAME="terrabot-${VERSION}-linux-amd64"
+DOWNLOAD_URL="https://github.com/DanielMabbett/terrabot/releases/download/${VERSION}/${FILE_NAME}"
+
+# Function to download file using wget or curl
+download_file() {
+    if command -v wget > /dev/null; then
+        wget "$1" -O "$2"
+    elif command -v curl > /dev/null; then
+        curl -L "$1" -o "$2"
+    else
+        echo "[Error] Neither wget nor curl is installed. Please install one and retry."
+        exit 1
+    fi
+}
 
+# Main installation process
 if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-  wget "https://github.com/DanielMabbett/terrabot/releases/download/${VERSION}/terrabot-${VERSION}-linux-amd64.tar.gz"
-  tar -xzf terrabot-${VERSION}-linux-amd64.tar.gz
-  rm terrabot-${VERSION}-linux-amd64.tar.gz
+    echo "[Information] Starting download of terrabot ${VERSION} for Linux..."
+    download_file "${DOWNLOAD_URL}" "${FILE_NAME}"
+
+    if [ -f "${FILE_NAME}" ]; then
+        chmod +x "${FILE_NAME}"
+        echo "[Success] Downloaded and prepared ${FILE_NAME}."
+        echo "Run './${FILE_NAME}' to start using terrabot."
+    else
+        echo "[Error] Failed to download ${FILE_NAME}. Please check your internet connection and try again."
+    fi
 else
-  echo "[Information] Operating System $OSTYPE not supported."
+    echo "[Error] Operating System $OSTYPE not supported. terrabot only supports Linux."
 fi