Install

install.sh

#!/bin/bash

set -euo pipefail

# Variables
REPO="user/repo"
ASSET_NAME=""

# Detect OS & set installation path
detect_os() {
    case "$(uname -s)" in
        Linux)        OS="linux"; INSTALL_PATH="$HOME/.local/bin" ;;
        Darwin)       OS="macos"; INSTALL_PATH="$HOME/.local/bin" ;;
        MINGW*|MSYS*) OS="windows"; INSTALL_PATH="/c/Windows" ;;  # Git Bash & MSYS
        CYGWIN*)      OS="windows"; INSTALL_PATH="/cygdrive/c/Windows" ;; # Cygwin
        *)            echo "Unsupported OS"; exit 1 ;;
    esac
    ASSET_NAME="asset-$OS"
    [[ "$OS" == "windows" ]] && ASSET_NAME="$ASSET_NAME.exe"
}

# Warn if install path not in PATH (Linux & macOS)
path_warning() {
    [[ "$OS" == "linux" || "$OS" == "macos" ]] && [[ ! ":$PATH:" == *":$INSTALL_PATH:"* ]] && echo "Warning: Add $INSTALL_PATH to PATH."
}

# Download & move asset to install path
download_install() {
    ASSET_URL=$(curl -s "https://api.github.com/repos/$REPO/releases/latest" | jq -r ".assets[] | select(.name == \"$ASSET_NAME\").browser_download_url")
    [[ ! "$ASSET_URL" ]] && echo "Error fetching asset URL!" && exit 1
    curl -L -o "$ASSET_NAME" "$ASSET_URL"
    [[ ! -f "$ASSET_NAME" ]] && echo "Download error!" && exit 1
    mv "$ASSET_NAME" "$INSTALL_PATH/"
}

# Execute
detect_os
path_warning
download_install
echo "Installation complete!"