add install script

install.sh

@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Set the desired GitHub repository
+repo="go-gost/gost"
+base_url="https://api.github.com/repos/$repo/releases"
+
+# Function to download and install gost
+install_gost() {
+    version=$1
+    # Detect the operating system
+    if [[ "$(uname)" == "Linux" ]]; then
+        os="linux"
+    elif [[ "$(uname)" == "Darwin" ]]; then
+        os="darwin"
+    elif [[ "$(uname)" == "MINGW"* ]]; then
+        os="windows"
+    else
+        echo "Unsupported operating system."
+        exit 1
+    fi
+
+    # Detect the CPU architecture
+    arch=$(uname -m)
+    case $arch in
+    x86_64)
+        cpu_arch="amd64"
+        ;;
+    armv5*)
+        cpu_arch="armv5"
+        ;;
+    armv6*)
+        cpu_arch="armv6"
+        ;;
+    armv7*)
+        cpu_arch="armv7"
+        ;;
+    aarch64)
+        cpu_arch="arm64"
+        ;;
+    i686)
+        cpu_arch="386"
+        ;;
+    mips64*)
+        cpu_arch="mips64"
+        ;;
+    mips*)
+        cpu_arch="mips"
+        ;;
+    mipsel*)
+        cpu_arch="mipsle"
+        ;;
+    *)
+        echo "Unsupported CPU architecture."
+        exit 1
+        ;;
+    esac
+    get_download_url="$base_url/tags/$version"
+    download_url=$(curl -s "$get_download_url" | grep -Eo "\"browser_download_url\": \".*${os}.*${cpu_arch}.*\"" | awk -F'["]' '{print $4}')
+
+    # Download the binary
+    echo "Downloading gost version $version..."
+    curl -fsSL -o gost.tar.gz $download_url
+
+    # Extract and install the binary
+    echo "Installing gost..."
+    tar -xzf gost.tar.gz
+    chmod +x gost
+    sudo mv gost /usr/local/bin/gost
+
+    echo "gost installation completed!"
+}
+
+# Retrieve available versions from GitHub API
+versions=$(curl -s "$base_url" | grep -oP 'tag_name": "\K[^"]+')
+
+# Check if --install option provided
+if [[ "$1" == "--install" ]]; then
+    # Install the latest version automatically
+    latest_version=$(echo "$versions" | head -n 1)
+    install_gost $latest_version
+else
+    # Display available versions to the user
+    echo "Available gost versions:"
+    select version in $versions; do
+        if [[ -n $version ]]; then
+            install_gost $version
+            break
+        else
+            echo "Invalid choice! Please select a valid option."
+        fi
+    done
+fi