Files
olm/get-olm.sh
2025-09-28 11:41:07 -07:00

279 lines
8.0 KiB
Bash

#!/bin/bash
# Get Olm - Cross-platform installation script
# Usage: curl -fsSL https://raw.githubusercontent.com/fosrl/olm/refs/heads/main/get-olm.sh | bash
set -e
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color
# GitHub repository info
REPO="fosrl/olm"
GITHUB_API_URL="https://api.github.com/repos/${REPO}/releases/latest"
# Function to print colored output
print_status() {
echo -e "${GREEN}[INFO]${NC} $1"
}
print_warning() {
echo -e "${YELLOW}[WARN]${NC} $1"
}
print_error() {
echo -e "${RED}[ERROR]${NC} $1"
}
# Function to get latest version from GitHub API
get_latest_version() {
local latest_info
if command -v curl >/dev/null 2>&1; then
latest_info=$(curl -fsSL "$GITHUB_API_URL" 2>/dev/null)
elif command -v wget >/dev/null 2>&1; then
latest_info=$(wget -qO- "$GITHUB_API_URL" 2>/dev/null)
else
print_error "Neither curl nor wget is available. Please install one of them." >&2
exit 1
fi
if [ -z "$latest_info" ]; then
print_error "Failed to fetch latest version information" >&2
exit 1
fi
# Extract version from JSON response (works without jq)
local version=$(echo "$latest_info" | grep '"tag_name"' | head -1 | sed 's/.*"tag_name": *"\([^"]*\)".*/\1/')
if [ -z "$version" ]; then
print_error "Could not parse version from GitHub API response" >&2
exit 1
fi
# Remove 'v' prefix if present
version=$(echo "$version" | sed 's/^v//')
echo "$version"
}
# Detect OS and architecture
detect_platform() {
local os arch
# Detect OS
case "$(uname -s)" in
Linux*) os="linux" ;;
Darwin*) os="darwin" ;;
MINGW*|MSYS*|CYGWIN*) os="windows" ;;
FreeBSD*) os="freebsd" ;;
*)
print_error "Unsupported operating system: $(uname -s)"
exit 1
;;
esac
# Detect architecture
case "$(uname -m)" in
x86_64|amd64) arch="amd64" ;;
arm64|aarch64) arch="arm64" ;;
armv7l|armv6l)
if [ "$os" = "linux" ]; then
if [ "$(uname -m)" = "armv6l" ]; then
arch="arm32v6"
else
arch="arm32"
fi
else
arch="arm64" # Default for non-Linux ARM
fi
;;
riscv64)
if [ "$os" = "linux" ]; then
arch="riscv64"
else
print_error "RISC-V architecture only supported on Linux"
exit 1
fi
;;
*)
print_error "Unsupported architecture: $(uname -m)"
exit 1
;;
esac
echo "${os}_${arch}"
}
# Get installation directory
get_install_dir() {
local platform="$1"
if [[ "$platform" == *"windows"* ]]; then
echo "$HOME/bin"
else
# For Unix-like systems, prioritize system-wide directories for sudo access
# Check in order of preference: /usr/local/bin, /usr/bin, ~/.local/bin
if [ -d "/usr/local/bin" ]; then
echo "/usr/local/bin"
elif [ -d "/usr/bin" ]; then
echo "/usr/bin"
else
# Fallback to user directory if system directories don't exist
echo "$HOME/.local/bin"
fi
fi
}
# Check if we need sudo for installation
need_sudo() {
local install_dir="$1"
# If installing to system directory and we don't have write permission, need sudo
if [[ "$install_dir" == "/usr/local/bin" || "$install_dir" == "/usr/bin" ]]; then
if [ ! -w "$install_dir" ] 2>/dev/null; then
return 0 # Need sudo
fi
fi
return 1 # Don't need sudo
}
# Download and install olm
install_olm() {
local platform="$1"
local install_dir="$2"
local binary_name="olm_${platform}"
local exe_suffix=""
# Add .exe suffix for Windows
if [[ "$platform" == *"windows"* ]]; then
binary_name="${binary_name}.exe"
exe_suffix=".exe"
fi
local download_url="${BASE_URL}/${binary_name}"
local temp_file="/tmp/olm${exe_suffix}"
local final_path="${install_dir}/olm${exe_suffix}"
print_status "Downloading olm from ${download_url}"
# Download the binary
if command -v curl >/dev/null 2>&1; then
curl -fsSL "$download_url" -o "$temp_file"
elif command -v wget >/dev/null 2>&1; then
wget -q "$download_url" -O "$temp_file"
else
print_error "Neither curl nor wget is available. Please install one of them."
exit 1
fi
# Check if we need sudo for installation
local use_sudo=""
if need_sudo "$install_dir"; then
print_status "Administrator privileges required for system-wide installation"
if command -v sudo >/dev/null 2>&1; then
use_sudo="sudo"
else
print_error "sudo is required for system-wide installation but not available"
exit 1
fi
fi
# Create install directory if it doesn't exist
if [ -n "$use_sudo" ]; then
$use_sudo mkdir -p "$install_dir"
else
mkdir -p "$install_dir"
fi
# Move binary to install directory
if [ -n "$use_sudo" ]; then
$use_sudo mv "$temp_file" "$final_path"
$use_sudo chmod +x "$final_path"
else
mv "$temp_file" "$final_path"
chmod +x "$final_path"
fi
print_status "olm installed to ${final_path}"
# Check if install directory is in PATH (only warn for non-system directories)
if [[ "$install_dir" != "/usr/local/bin" && "$install_dir" != "/usr/bin" ]]; then
if ! echo "$PATH" | grep -q "$install_dir"; then
print_warning "Install directory ${install_dir} is not in your PATH."
print_warning "Add it to your PATH by adding this line to your shell profile:"
print_warning " export PATH=\"${install_dir}:\$PATH\""
fi
fi
}
# Verify installation
verify_installation() {
local install_dir="$1"
local exe_suffix=""
if [[ "$PLATFORM" == *"windows"* ]]; then
exe_suffix=".exe"
fi
local olm_path="${install_dir}/olm${exe_suffix}"
if [ -f "$olm_path" ] && [ -x "$olm_path" ]; then
print_status "Installation successful!"
print_status "olm version: $("$olm_path" --version 2>/dev/null || echo "unknown")"
return 0
else
print_error "Installation failed. Binary not found or not executable."
return 1
fi
}
# Main installation process
main() {
print_status "Installing latest version of olm..."
# Get latest version
print_status "Fetching latest version from GitHub..."
VERSION=$(get_latest_version)
print_status "Latest version: v${VERSION}"
# Set base URL with the fetched version
BASE_URL="https://github.com/${REPO}/releases/download/${VERSION}"
# Detect platform
PLATFORM=$(detect_platform)
print_status "Detected platform: ${PLATFORM}"
# Get install directory
INSTALL_DIR=$(get_install_dir "$PLATFORM")
print_status "Install directory: ${INSTALL_DIR}"
# Inform user about system-wide installation
if [[ "$INSTALL_DIR" == "/usr/local/bin" || "$INSTALL_DIR" == "/usr/bin" ]]; then
print_status "Installing system-wide for sudo access"
fi
# Install olm
install_olm "$PLATFORM" "$INSTALL_DIR"
# Verify installation
if verify_installation "$INSTALL_DIR"; then
print_status "olm is ready to use!"
if [[ "$INSTALL_DIR" == "/usr/local/bin" || "$INSTALL_DIR" == "/usr/bin" ]]; then
print_status "olm is installed system-wide and accessible via sudo"
fi
if [[ "$PLATFORM" == *"windows"* ]]; then
print_status "Run 'olm --help' to get started"
else
print_status "Run 'olm --help' or 'sudo olm --help' to get started"
fi
else
exit 1
fi
}
# Run main function
main "$@"