start.sh

#!/usr/bin/env bash
# DevKit — CLI launcher
# Validates host model provider, pulls missing models, provisions auth, builds + launches container.
# Usage: ./start.sh [OPTIONS] [SOURCE_DIR]
set -euo pipefail

BASE_IMAGE_NAME="devkit"
IMAGE_NAME=""
CONTAINER_NAME=""
CONTAINER_NAME_OVERRIDE=""
WORKSPACE_DIR="/workspaces/project"
SOURCE_DIR=""
EXTRA_ENVS=()
BUILD_ONLY=false
SKIP_MODEL_PULL=false

REQUIRED_MODELS=("LocalLLAMA")
PRIMARY_MODEL="LocalLLAMA"

# Host model provider endpoint
MODEL_PROVIDER_HOST="${MODEL_PROVIDER_HOST:-http://localhost:8080}"

usage() {
	cat <<EOF
DevKit

Usage:
  ./start.sh [OPTIONS] [SOURCE_DIR]

Arguments:
  SOURCE_DIR    Path to your source code directory to mount (default: current directory)

Options:
  -e KEY=VAL    Pass extra environment variables to the container (repeatable)
  -n, --name    Override the container name (default: devkit-<project>)
  -h, --help    Show this help message

Examples:
  ./start.sh                   # mount current directory
  ./start.sh ~/my-project      # mount a specific project
EOF
}

# --- Argument parsing ---
while [[ $# -gt 0 ]]; do
	case "$1" in
	-h | --help)
		usage
		exit 0
		;;
	-e)
		EXTRA_ENVS+=("-e" "$2")
		shift 2
		;;
	-n | --name)
		CONTAINER_NAME_OVERRIDE="$2"
		shift 2
		;;
	-*)
		echo "Unknown option: $1" >&2
		usage
		exit 1
		;;
	*)
		SOURCE_DIR="$1"
		shift
		;;
	esac
done

# Default to current directory
if [[ -z "$SOURCE_DIR" ]]; then
	SOURCE_DIR="$(pwd)"
fi

# --- Resolve paths and names ---
# Reads git config in priority order: local repo → global → system.
GIT_USER_NAME="${GIT_AUTHOR_NAME:-$(git -C "$SOURCE_DIR" config user.name 2>/dev/null || true)}"
GIT_USER_EMAIL="${GIT_AUTHOR_EMAIL:-$(git -C "$SOURCE_DIR" config user.email 2>/dev/null || true)}"

if [[ -z "$GIT_USER_NAME" || -z "$GIT_USER_EMAIL" ]]; then
	echo ""
	echo "⚠️  Git identity not found. Commits will use default identity."
	echo "   Fix: git config user.name \"Your Name\"        # local repo (preferred)"
	echo "         git config user.email \"you@example.com\" # local repo (preferred)"
	echo "   or globally: git config --global user.name / user.email"
fi

SOURCE_DIR="$(cd "$SOURCE_DIR" && pwd)"
PROJECT_NAME="$(basename "$SOURCE_DIR" | tr '[:upper:]' '[:lower:]')"
WORKSPACE_DIR="/workspaces/${PROJECT_NAME}"

IMAGE_NAME="${BASE_IMAGE_NAME}-${PROJECT_NAME}"
CONTAINER_NAME="${CONTAINER_NAME_OVERRIDE:-${BASE_IMAGE_NAME}-${PROJECT_NAME}}"
OPENCODE_DATA_DIR="${BASE_IMAGE_NAME}-${PROJECT_NAME}-data"

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"

echo ""
echo "DevKit"
echo "   Project:   		${PROJECT_NAME}"
echo "   Source:    		${SOURCE_DIR}"
echo "   Workspace: 		${WORKSPACE_DIR}"
echo "   Image:     		${IMAGE_NAME}"
echo "   Model Provider: 	${MODEL_PROVIDER_HOST}"
echo "   Model:     		${PRIMARY_MODEL}"
echo ""

# --- Build container ---
echo "Building container image: ${IMAGE_NAME}..."
podman build \
	-t "${IMAGE_NAME}" \
	--build-arg USER_UID="$(id -u)" \
	--build-arg USER_GID="$(id -g)" \
	-f "${SCRIPT_DIR}/Dockerfile" \
	"${SCRIPT_DIR}"

# --- Launch container ---
echo ""
echo "Starting container: ${CONTAINER_NAME}..."
exec podman run -it --rm \
	--name "${CONTAINER_NAME}" \
	--security-opt=label=disable \
	--tmpfs /tmp:rw,size=1G,mode=1777 \
	-v "${SOURCE_DIR}:${WORKSPACE_DIR}" \
	-v "${OPENCODE_DATA_DIR}:/home/dev/.local/share/opencode:Z" \
	-v "${OPENCODE_DATA_DIR}-cache:/home/dev/.cache:Z" \
	-v "${OPENCODE_DATA_DIR}-state:/home/dev/.local/state:Z" \
	-e "HOME=/home/dev" \
	-e "GIT_AUTHOR_NAME=${GIT_USER_NAME:-}" \
	-e "GIT_AUTHOR_EMAIL=${GIT_USER_EMAIL:-}" \
	-e "GIT_COMMITTER_NAME=${GIT_USER_NAME:-}" \
	-e "GIT_COMMITTER_EMAIL=${GIT_USER_EMAIL:-}" \
	"${EXTRA_ENVS[@]+"${EXTRA_ENVS[@]}"}" \
	-w "${WORKSPACE_DIR}" \
	"${IMAGE_NAME}" \
	bash -c "if [ -n \"\$GIT_AUTHOR_NAME\" ]; then git config --global user.name \"\$GIT_AUTHOR_NAME\"; fi; if [ -n \"\$GIT_AUTHOR_EMAIL\" ]; then git config --global user.email \"\$GIT_AUTHOR_EMAIL\"; fi; if git -C \"\$PWD\" rev-parse --git-dir >/dev/null 2>&1; then git -C \"\$PWD\" config core.fsmonitor false 2>/dev/null || true; fi; echo ''; echo '✅ OpenCode Local ready!'; echo '   Run: opencode'; echo '   Model: ${PRIMARY_MODEL}'; if [ -n \"\$GIT_AUTHOR_NAME\" ] && [ -n \"\$GIT_AUTHOR_EMAIL\" ]; then echo \"   Git: \$GIT_AUTHOR_NAME <\$GIT_AUTHOR_EMAIL>\"; else echo '   Git: ⚠️  no identity configured'; fi; echo ''; exec bash"