chore: import upstream snapshot with attribution

internal/scripts/install.sh

@@ -0,0 +1,109 @@
+#!/bin/bash
+# Install script for micro CLI
+# Usage: curl -fsSL https://go-micro.dev/install.sh | sh
+
+set -e
+
+VERSION="${MICRO_VERSION:-latest}"
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+# Normalize architecture
+case $ARCH in
+    x86_64|amd64) ARCH="amd64" ;;
+    aarch64|arm64) ARCH="arm64" ;;
+    armv7l) ARCH="armv7" ;;
+    *) echo "Unsupported architecture: $ARCH"; exit 1 ;;
+esac
+
+# Normalize OS
+case $OS in
+    darwin) OS="darwin" ;;
+    linux) OS="linux" ;;
+    *) echo "Unsupported OS: $OS"; exit 1 ;;
+esac
+
+# Determine install directory. MICRO_INSTALL_DIR is intended for CI/local smoke
+# tests that verify the installer without writing to a real system directory.
+if [ -n "${MICRO_INSTALL_DIR:-}" ]; then
+    INSTALL_DIR="$MICRO_INSTALL_DIR"
+    mkdir -p "$INSTALL_DIR"
+elif [ "$EUID" -eq 0 ] || [ "$(id -u)" -eq 0 ]; then
+    INSTALL_DIR="/usr/local/bin"
+else
+    INSTALL_DIR="$HOME/.local/bin"
+    mkdir -p "$INSTALL_DIR"
+fi
+
+echo "Installing micro ${VERSION} for ${OS}/${ARCH}..."
+
+# Download URL
+if [ "$VERSION" = "latest" ]; then
+    URL="https://github.com/micro/go-micro/releases/latest/download/micro_${OS}_${ARCH}.tar.gz"
+else
+    URL="https://github.com/micro/go-micro/releases/download/${VERSION}/micro_${OS}_${ARCH}.tar.gz"
+fi
+
+# Create temp directory for extraction
+TMP_DIR=$(mktemp -d)
+TMP_FILE="${TMP_DIR}/micro.tar.gz"
+
+# Download, or use a local release archive supplied by the deterministic smoke
+# harness. The default path still fetches the documented GitHub release artifact.
+if [ -n "${MICRO_INSTALL_ARCHIVE:-}" ]; then
+    cp "$MICRO_INSTALL_ARCHIVE" "$TMP_FILE"
+elif command -v curl &> /dev/null; then
+    curl -fsSL "$URL" -o "$TMP_FILE"
+elif command -v wget &> /dev/null; then
+    wget -q "$URL" -O "$TMP_FILE"
+else
+    echo "Error: curl or wget required"
+    rm -rf "$TMP_DIR"
+    exit 1
+fi
+
+# Extract and install
+tar -xzf "$TMP_FILE" -C "$TMP_DIR"
+
+# Handle different archive structures (binary at root or in subdirectory)
+if [ -f "${TMP_DIR}/micro" ]; then
+    BINARY_PATH="${TMP_DIR}/micro"
+elif [ -f "${TMP_DIR}/micro_${OS}_${ARCH}/micro" ]; then
+    BINARY_PATH="${TMP_DIR}/micro_${OS}_${ARCH}/micro"
+else
+    # Try to find any executable named 'micro' in the extracted content
+    BINARY_PATH=$(find "$TMP_DIR" -name "micro" -type f -executable | head -n1)
+fi
+
+if [ -z "$BINARY_PATH" ] || [ ! -f "$BINARY_PATH" ]; then
+    echo "Error: Could not find micro binary in archive"
+    echo "Archive contents:"
+    tar -tzf "$TMP_FILE"
+    rm -rf "$TMP_DIR"
+    exit 1
+fi
+
+chmod +x "$BINARY_PATH"
+mv "$BINARY_PATH" "$INSTALL_DIR/micro"
+
+# Cleanup
+rm -rf "$TMP_DIR"
+
+echo ""
+echo "✓ Installed micro to $INSTALL_DIR/micro"
+echo ""
+
+# Verify
+if command -v micro &> /dev/null; then
+    micro --version
+else
+    echo "Note: Add $INSTALL_DIR to your PATH:"
+    echo "  export PATH=\"\$PATH:$INSTALL_DIR\""
+fi
+
+echo ""
+echo "Get started:"
+echo "  micro new myservice    # Create a new service"
+echo "  micro run              # Run locally"
+echo "  micro deploy           # Deploy to server"
+echo ""