Merge pull request #103 from gekkowrld/install

Add install script

Author: AvicennaJr

sh/install.sh

@@ -0,0 +1,173 @@
+#!/usr/bin/env sh
+
+# Hii ni skripti ya shell ili kusakinisha programu ya Nuru.
+# Programu zinazohitajika:
+#   - curl/wget: Kupakua faili za 'tar' kutoka 'Github'
+#   - cp: Nakili faili kuenda mahali sahihi
+#   - jq: Kupata uhusiano kwenye fomati ya 'JSON'
+#   - tar: Kufungua faili za tar.gz
+
+set -e
+
+ARCH="$(uname -m)"
+OSNAME="$(uname -s)"
+PREFIX_PATH="/usr"
+BIN=""
+VERSION="latest"
+RELEASE_URL="https://github.com/NuruProgramming/Nuru/releases"
+TEMP=""
+
+# Cleanup function to remove temp directory on exit
+cleanup() {
+    if [ -n "$TEMP" ] && [ -d "$TEMP" ]; then
+        rm -rf "$TEMP"
+    fi
+}
+trap cleanup EXIT
+
+# Check if command exists
+command_exists() {
+    command -v "$1" >/dev/null 2>&1
+}
+
+# Print usage information
+usage() {
+    echo "Usage: $0 [OPTIONS]"
+    echo ""
+    echo "Options:"
+    echo "  -p, --prefix  The base path to be used when installing (default: /usr)"
+    echo "  -v, --version The version to be downloaded from GitHub (default: latest)"
+    echo "  -h, --help    Show this help message"
+    echo ""
+}
+
+# Normalize architecture names
+arch_name() {
+    case "$ARCH" in
+        x86_64)
+            ARCH="amd64"
+            ;;
+        i386|i686)
+            ARCH="i386"
+            ;;
+        arm64|aarch64)
+            ARCH="arm64"
+            ;;
+        *)
+            echo "Unsupported architecture: $ARCH"
+            exit 2
+            ;;
+    esac
+}
+
+# Validate OS name
+os_name() {
+    case "$OSNAME" in
+        Darwin|Linux|Android)
+            ;;
+        *)
+            echo "Unsupported Operating System: $OSNAME"
+            exit 2
+            ;;
+    esac
+}
+
+# Parse command line arguments
+parse_args() {
+    while [ "$#" -gt 0 ]; do
+        case "$1" in
+            -h|--help)
+                usage
+                exit 0
+                ;;
+            -p|--prefix)
+                shift
+                if [ -z "$1" ]; then
+                    echo "Error: Missing argument for --prefix"
+                    exit 1
+                fi
+                PREFIX_PATH="$1"
+                ;;
+            -v|--version)
+                shift
+                if [ -z "$1" ]; then
+                    echo "Error: Missing argument for --version"
+                    exit 1
+                fi
+                VERSION="$1"
+                ;;
+            --)
+                shift
+                break
+                ;;
+            *)
+                echo "Unknown argument: $1"
+                usage
+                exit 1
+                ;;
+        esac
+        shift
+    done
+    BIN="$PREFIX_PATH/bin"
+}
+
+# Download file using curl or wget
+download() {
+    URL="$1"
+    if command_exists curl; then
+        curl -fSL "$URL"
+    elif command_exists wget; then
+        wget -qO- "$URL"
+    else
+        echo "Error: Neither curl nor wget is installed."
+        exit 1
+    fi
+}
+
+main() {
+    os_name
+    arch_name
+    parse_args "$@"
+
+    # Check required commands
+    for cmd in jq tar cp; do
+        if ! command_exists "$cmd"; then
+            echo "Error: Required command '$cmd' not found."
+            exit 1
+        fi
+    done
+
+    if [ "$VERSION" = "latest" ]; then
+        echo "Fetching latest version tag from GitHub..."
+        VERSION="$(download "https://api.github.com/repos/NuruProgramming/Nuru/releases/latest" | jq -r .tag_name)"
+        if [ -z "$VERSION" ] || [ "$VERSION" = "null" ]; then
+            echo "Error: Unable to determine latest version."
+            exit 1
+        fi
+    fi
+
+    TAR_URL="$RELEASE_URL/download/$VERSION/nuru_${OSNAME}_${ARCH}.tar.gz"
+    echo "Downloading Nuru version $VERSION for $OSNAME/$ARCH..."
+
+    TEMP="$(mktemp -d)"
+    if ! download "$TAR_URL" | tar -xz -C "$TEMP"; then
+        echo "Error: Failed to download or extract archive."
+        exit 1
+    fi
+
+    # Ensure bin directory exists
+    if [ ! -d "$BIN" ]; then
+        echo "Creating directory $BIN"
+        mkdir -p "$BIN"
+    fi
+
+    echo "Installing Nuru to $BIN/nuru"
+    if ! cp "$TEMP/nuru" "$BIN/"; then
+        echo "Error: Failed to copy binary to $BIN"
+        exit 1
+    fi
+
+    echo "Installation complete."
+}
+
+main "$@"