#!/bin/bash # detect-stack.sh — Auto-detect project stack # Outputs a JSON object with detected stack info to stdout # Usage: bash detect-stack.sh [project-root] PROJECT_ROOT="${1:-$(pwd)}" cd "$PROJECT_ROOT" || exit 1 CYAN='\033[36m'; RESET='\033[0m' log() { printf '%b\n' "${CYAN}[detect]${RESET} $*" >&2; } # ── Language Detection ────────────────────────────────────────────────────── detect_language() { local langs=() [ -f "requirements.txt" ] || [ -f "pyproject.toml" ] || [ -f "setup.py" ] || [ -f "Pipfile" ] \ && langs+=("python") [ -f "package.json" ] \ && langs+=("javascript") find . -maxdepth 3 -name "*.ts" -o -name "*.tsx" 2>/dev/null | grep -q . \ && langs+=("typescript") [ -f "go.mod" ] \ && langs+=("go") [ -f "pom.xml" ] || [ -f "build.gradle" ] \ && langs+=("java") [ -f "Cargo.toml" ] \ && langs+=("rust") [ -f "composer.json" ] \ && langs+=("php") [ -f "Gemfile" ] \ && langs+=("ruby") # Primary = first detected, fallback = unknown if [ ${#langs[@]} -eq 0 ]; then echo "unknown" else echo "${langs[0]}" fi } # ── Framework Detection ───────────────────────────────────────────────────── detect_framework() { local lang="$1" case "$lang" in python) grep -r "fastapi\|FastAPI" requirements.txt pyproject.toml setup.py 2>/dev/null | grep -q . && echo "fastapi" && return grep -r "django\|Django" requirements.txt pyproject.toml setup.py 2>/dev/null | grep -q . && echo "django" && return grep -r "flask\|Flask" requirements.txt pyproject.toml setup.py 2>/dev/null | grep -q . && echo "flask" && return echo "python-generic" ;; javascript|typescript) [ -f "next.config.js" ] || [ -f "next.config.ts" ] && echo "nextjs" && return grep -q '"next"' package.json 2>/dev/null && echo "nextjs" && return grep -q '"nuxt"' package.json 2>/dev/null && echo "nuxtjs" && return grep -q '"@nestjs/core"' package.json 2>/dev/null && echo "nestjs" && return grep -q '"express"' package.json 2>/dev/null && echo "express" && return grep -q '"react"' package.json 2>/dev/null && echo "react" && return grep -q '"vue"' package.json 2>/dev/null && echo "vue" && return grep -q '"svelte"' package.json 2>/dev/null && echo "svelte" && return echo "node-generic" ;; go) grep -r "gin-gonic\|github.com/gin" go.mod 2>/dev/null | grep -q . && echo "gin" && return grep -r "echo\|labstack/echo" go.mod 2>/dev/null | grep -q . && echo "echo" && return grep -r "chi\|go-chi" go.mod 2>/dev/null | grep -q . && echo "chi" && return echo "go-stdlib" ;; java) grep -r "spring-boot\|springframework" pom.xml build.gradle 2>/dev/null | grep -q . && echo "spring-boot" && return echo "java-generic" ;; *) echo "unknown" ;; esac } # ── Database Detection ────────────────────────────────────────────────────── detect_database() { # Check docker-compose for f in docker-compose.yml docker-compose.yaml docker-compose.dev.yml; do [ -f "$f" ] && { grep -qi "postgres\|postgresql" "$f" && echo "postgresql" && return grep -qi "mysql\|mariadb" "$f" && echo "mysql" && return grep -qi "mongo\|mongodb" "$f" && echo "mongodb" && return grep -qi "redis" "$f" && echo "redis" && return grep -qi "sqlite" "$f" && echo "sqlite" && return } done # Check env files for f in .env .env.example .env.local .env.development; do [ -f "$f" ] && { grep -qi "DATABASE_URL.*postgres" "$f" && echo "postgresql" && return grep -qi "DATABASE_URL.*mysql" "$f" && echo "mysql" && return grep -qi "DATABASE_URL.*sqlite" "$f" && echo "sqlite" && return grep -qi "MONGO_URL\|MONGODB" "$f" && echo "mongodb" && return } done # Check requirements/package.json grep -r "psycopg\|asyncpg\|pg\b" requirements.txt pyproject.toml package.json 2>/dev/null | grep -q . && echo "postgresql" && return grep -r "pymysql\|mysql2\|mysql-connector" requirements.txt pyproject.toml package.json 2>/dev/null | grep -q . && echo "mysql" && return grep -r "motor\|pymongo\|mongoose" requirements.txt pyproject.toml package.json 2>/dev/null | grep -q . && echo "mongodb" && return echo "unknown" } # ── ORM Detection ─────────────────────────────────────────────────────────── detect_orm() { grep -r "sqlalchemy\|SQLAlchemy" requirements.txt pyproject.toml 2>/dev/null | grep -q . && echo "sqlalchemy" && return grep -r "alembic" requirements.txt pyproject.toml 2>/dev/null | grep -q . && echo "sqlalchemy+alembic" && return [ -f "prisma/schema.prisma" ] || find . -maxdepth 3 -name "schema.prisma" 2>/dev/null | grep -q . && echo "prisma" && return grep -r "typeorm\|TypeORM" package.json 2>/dev/null | grep -q . && echo "typeorm" && return grep -r "sequelize\|Sequelize" package.json 2>/dev/null | grep -q . && echo "sequelize" && return grep -r "django.db.models" requirements.txt pyproject.toml 2>/dev/null | grep -q . && echo "django-orm" && return grep -r "drizzle-orm" package.json 2>/dev/null | grep -q . && echo "drizzle" && return grep -r "mongoose" package.json 2>/dev/null | grep -q . && echo "mongoose" && return echo "unknown" } # ── Infrastructure Detection ──────────────────────────────────────────────── detect_infra() { local infra=() for f in docker-compose.yml docker-compose.yaml docker-compose.dev.yml; do [ -f "$f" ] && { infra+=("docker-compose"); break; } done [ -f "Dockerfile" ] || find . -maxdepth 2 -name "Dockerfile*" 2>/dev/null | grep -q . && infra+=("docker") [ -f ".github/workflows" ] || find . -maxdepth 3 -path "*/.github/workflows/*.yml" 2>/dev/null | grep -q . && infra+=("github-actions") find . -maxdepth 3 -name "nginx.conf" -o -name "*.nginx" 2>/dev/null | grep -q . && infra+=("nginx") find . -maxdepth 3 -name "Caddyfile" 2>/dev/null | grep -q . && infra+=("caddy") find . -maxdepth 3 -name "*.tf" 2>/dev/null | grep -q . && infra+=("terraform") [ -f "fly.toml" ] && infra+=("fly.io") [ -f "render.yaml" ] && infra+=("render") [ -f "railway.json" ] || [ -f "railway.toml" ] && infra+=("railway") [ -f "vercel.json" ] && infra+=("vercel") [ -f "netlify.toml" ] && infra+=("netlify") [ -f "heroku.yml" ] || [ -f "Procfile" ] && infra+=("heroku") if [ ${#infra[@]} -eq 0 ]; then echo "none" else local IFS=',' echo "${infra[*]}" fi } # ── Package Manager Detection ─────────────────────────────────────────────── detect_package_manager() { [ -f "pnpm-lock.yaml" ] && echo "pnpm" && return [ -f "yarn.lock" ] && echo "yarn" && return [ -f "package-lock.json" ] && echo "npm" && return [ -f "bun.lockb" ] && echo "bun" && return [ -f "Pipfile.lock" ] && echo "pipenv" && return [ -f "poetry.lock" ] && echo "poetry" && return [ -f "requirements.txt" ] && echo "pip" && return [ -f "go.mod" ] && echo "go-modules" && return [ -f "Cargo.toml" ] && echo "cargo" && return [ -f "Gemfile.lock" ] && echo "bundler" && return echo "unknown" } # ── Auth Detection ────────────────────────────────────────────────────────── detect_auth() { grep -r "supabase\|@supabase" requirements.txt pyproject.toml package.json 2>/dev/null | grep -q . && echo "supabase" && return grep -r "next-auth\|NextAuth\|auth\.js" package.json 2>/dev/null | grep -q . && echo "next-auth" && return grep -r "passport\|passportjs" package.json 2>/dev/null | grep -q . && echo "passport" && return grep -r "python-jose\|PyJWT\|fastapi-users" requirements.txt pyproject.toml 2>/dev/null | grep -q . && echo "jwt" && return grep -r "clerk\|@clerk" package.json 2>/dev/null | grep -q . && echo "clerk" && return grep -r "auth0\|@auth0" package.json 2>/dev/null | grep -q . && echo "auth0" && return grep -r "keycloak" requirements.txt pyproject.toml package.json 2>/dev/null | grep -q . && echo "keycloak" && return echo "unknown" } # ── Project Name ───────────────────────────────────────────────────────────── detect_name() { # package.json if [ -f "package.json" ]; then name=$(python3 -c "import json,sys; d=json.load(open('package.json')); print(d.get('name',''))" 2>/dev/null) [ -n "$name" ] && echo "$name" && return fi # pyproject.toml if [ -f "pyproject.toml" ]; then name=$(grep -E '^name\s*=' pyproject.toml | head -1 | sed 's/.*=\s*"\(.*\)"/\1/') [ -n "$name" ] && echo "$name" && return fi # Directory name basename "$PROJECT_ROOT" } # ── Main ───────────────────────────────────────────────────────────────────── main() { log "Detecting stack in: $PROJECT_ROOT" LANG=$(detect_language) FRAMEWORK=$(detect_framework "$LANG") DATABASE=$(detect_database) ORM=$(detect_orm) INFRA=$(detect_infra) PKG_MGR=$(detect_package_manager) AUTH=$(detect_auth) NAME=$(detect_name) SLUG=$(echo "$NAME" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9]/-/g' | sed 's/--*/-/g' | sed 's/^-//;s/-$//') log "Stack: $LANG / $FRAMEWORK / $DATABASE / $ORM" # Output JSON cat <