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chore: switch to build script
This commit is contained in:
Aarnav Tale
@@ -0,0 +1,165 @@
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#!/bin/sh
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# This is a general purpose build script for Headplane to be used across many
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# different environments such as CI, Docker, Nix, and locally. For specific
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# usage instructions, run `./build.sh --help`.
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set -eu
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ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
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cd "$ROOT_DIR" || exit 1
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APP_DIR="$ROOT_DIR/app"
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BUILD_DIR="$ROOT_DIR/build"
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BUILD_WASM=0
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BUILD_APP=0
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BUILD_AGENT=0
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BUILD_FAKE_SHELL=0
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SKIP_PATH_CHECKS=0
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SKIP_PNPM_PRUNE=0
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APP_INSTALL_ONLY=0
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WASM_OUTPUT="$APP_DIR/hp_ssh.wasm"
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AGENT_OUTPUT="$BUILD_DIR/hp_agent"
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FAKE_SHELL_OUTPUT="$BUILD_DIR/hp_fake_sh"
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die() { echo "error: $*" >&2; exit 1; }
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run() { echo ">> $*"; "$@"; }
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while [ $# -gt 0 ]; do
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case "$1" in
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--wasm) BUILD_WASM=1 ;;
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--app) BUILD_APP=1 ;;
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--agent) BUILD_AGENT=1 ;;
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--fake-shell) BUILD_FAKE_SHELL=1 ;;
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--skip-path-checks) SKIP_PATH_CHECKS=1 ;;
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--skip-pnpm-prune) SKIP_PNPM_PRUNE=1 ;;
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--app-install-only) APP_INSTALL_ONLY=1 ;;
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--wasm-output)
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shift
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[ $# -gt 0 ] || die "--wasm-output requires a path"
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WASM_OUTPUT=$1
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;;
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--agent-output)
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shift
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[ $# -gt 0 ] || die "--agent-output requires a path"
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AGENT_OUTPUT=$1
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;;
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--fake-shell-output)
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shift
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[ $# -gt 0 ] || die "--fake-shell-output requires a path"
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FAKE_SHELL_OUTPUT=$1
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;;
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--help)
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cat <<EOF
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Usage: $0 [flags]
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--wasm build wasm module
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--app build react-router app
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--agent build tailscale agent
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--fake-shell build fake shell binary (for Docker)
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--skip-path-checks skip safety checks (ie. checking PATH)
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--skip-pnpm-prune skip pruning devDependencies from node_modules
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--app-install-only only install app dependencies, skip build
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--wasm-output <path> override wasm output path
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--agent-output <path> override agent output path
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--fake-shell-output <path> override fake shell output path
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EOF
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exit 0
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;;
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*)
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die "unknown flag: $1"
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;;
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esac
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shift
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done
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# By default build everything except for the fake shell
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if [ "$BUILD_WASM" -eq 0 ] && [ "$BUILD_APP" -eq 0 ] && \
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[ "$BUILD_AGENT" -eq 0 ] && [ "$BUILD_FAKE_SHELL" -eq 0 ]; then
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BUILD_WASM=1
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BUILD_APP=1
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BUILD_AGENT=1
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fi
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if [ "$SKIP_PATH_CHECKS" -eq 0 ]; then
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[ -d "$ROOT_DIR" ] || die "missing project root"
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need_go=0
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need_pnpm=0
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[ "$BUILD_WASM" -eq 1 ] && need_go=1
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[ "$BUILD_APP" -eq 1 ] && need_pnpm=1
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[ "$BUILD_AGENT" -eq 1 ] && need_go=1
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[ "$BUILD_FAKE_SHELL" -eq 1 ] && need_go=1
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if [ $need_go -eq 1 ]; then
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echo "==> Checking for Go toolchain"
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command -v go >/dev/null 2>&1 || die "go not installed"
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go version >/dev/null 2>&1 || die "go not working"
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fi
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if [ $need_pnpm -eq 1 ]; then
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echo "==> Checking for pnpm"
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command -v pnpm >/dev/null 2>&1 || die "pnpm not installed"
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pnpm --version >/dev/null 2>&1 || die "pnpm not working"
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fi
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fi
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build_wasm() {
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echo "==> Building SSH WASM module → $WASM_OUTPUT"
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mkdir -p "$(dirname "$WASM_OUTPUT")"
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echo "// $(go version)" > "$(dirname "$WASM_OUTPUT")/wasm_exec.js"
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# This depends on Go 1.23+ since the path is different in earlier versions
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cat "$(go env GOROOT)/lib/wasm/wasm_exec.js" >> \
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"$(dirname "$WASM_OUTPUT")/wasm_exec.js"
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GOOS=js GOARCH=wasm go build -o "$WASM_OUTPUT" ./cmd/hp_ssh
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}
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build_app() {
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echo "==> Building React Router app → $BUILD_DIR"
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[ -f "$WASM_OUTPUT" ] || echo "warning: Building without SSH WASM module"
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pnpm install --frozen-lockfile
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if [ "$APP_INSTALL_ONLY" -eq 1 ]; then
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echo "==> Skipping app build (install only)"
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return
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fi
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pnpm run build
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if [ "$SKIP_PNPM_PRUNE" -eq 0 ]; then
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echo "==> Pruning devDependencies from node_modules"
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pnpm prune --prod
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fi
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}
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build_agent() {
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echo "==> Building Tailscale agent → $AGENT_OUTPUT"
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mkdir -p "$(dirname "$AGENT_OUTPUT")"
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go build -o "$AGENT_OUTPUT" ./cmd/hp_agent
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}
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build_fake_shell() {
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[ -n "${IMAGE_TAG:-}" ] || die \
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"\$IMAGE_TAG is required to build fake shell binary"
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echo "==> Building fake shell binary → $FAKE_SHELL_OUTPUT"
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mkdir -p "$(dirname "$FAKE_SHELL_OUTPUT")"
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go build -ldflags="-s -w -X main.imageTag=${IMAGE_TAG}" \
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-o "$FAKE_SHELL_OUTPUT" ./cmd/fake_sh
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}
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[ "$BUILD_FAKE_SHELL" = 1 ] && build_fake_shell
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[ "$BUILD_WASM" = 1 ] && build_wasm
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[ "$BUILD_APP" = 1 ] && build_app
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[ "$BUILD_AGENT" = 1 ] && build_agent
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[ "$BUILD_FAKE_SHELL" = 1 ] && build_fake_shell
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echo "✅ Build complete."
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