feat: add provider benchmark script

script/provider-benchmark.sh

@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+
+# Cold OpenCode clone/install/typecheck benchmark for a fresh Ubuntu x86_64 VM.
+
+set -euo pipefail
+
+REPO_URL="${BENCH_REPO_URL:-https://github.com/anomalyco/opencode.git}"
+COMMIT="${BENCH_COMMIT:-08fb47373509ba64b13441061314eeacf4264f51}"
+BUN_VERSION="${BENCH_BUN_VERSION:-1.3.14}"
+NODE_VERSION="${BENCH_NODE_VERSION:-24.14.1}"
+ROOT="${BENCH_ROOT:-/tmp/opencode-provider-benchmark}"
+KEEP_ROOT="${BENCH_KEEP_ROOT:-false}"
+
+timestamp() {
+  date +%s%N
+}
+
+phase() {
+  local name="$1"
+  shift
+  local start end
+  start="$(timestamp)"
+  "$@"
+  end="$(timestamp)"
+  printf 'BENCH_PHASE\t%s\t%s\n' "$name" "$(( (end - start) / 1000000 ))"
+}
+
+if [[ "$(id -u)" -eq 0 ]]; then
+  SUDO=()
+elif command -v sudo >/dev/null; then
+  SUDO=(sudo)
+else
+  printf 'BENCH_ERROR\tprepare\troot_or_sudo_required\n' >&2
+  exit 1
+fi
+
+prepare() {
+  command -v apt-get >/dev/null || {
+    printf 'BENCH_ERROR\tprepare\tapt_get_required\n' >&2
+    return 1
+  }
+  "${SUDO[@]}" apt-get update -qq
+  "${SUDO[@]}" env DEBIAN_FRONTEND=noninteractive apt-get install -y -qq \
+    bash build-essential ca-certificates curl git python3 python3-setuptools unzip xz-utils
+  python3 -c 'import setuptools'
+
+  if [[ "$(node --version 2>/dev/null || true)" != "v${NODE_VERSION}" ]]; then
+    local archive="node-v${NODE_VERSION}-linux-x64.tar.xz"
+    local prefix="/opt/node-v${NODE_VERSION}-linux-x64"
+    curl -fsSL "https://nodejs.org/download/release/v${NODE_VERSION}/${archive}" -o "/tmp/${archive}"
+    "${SUDO[@]}" rm -rf "$prefix"
+    "${SUDO[@]}" mkdir -p "$prefix"
+    "${SUDO[@]}" tar -xJf "/tmp/${archive}" --strip-components=1 -C "$prefix"
+    for executable in node npm npx corepack; do
+      "${SUDO[@]}" ln -sfn "$prefix/bin/$executable" "/usr/local/bin/$executable"
+    done
+  fi
+  test "$(node --version)" = "v${NODE_VERSION}"
+}
+
+download_bun() {
+  curl -fsSL \
+    "https://github.com/oven-sh/bun/releases/download/bun-v${BUN_VERSION}/bun-linux-x64-baseline.zip" \
+    -o "$ROOT/bun.zip"
+}
+
+unpack_bun() {
+  unzip -q -j "$ROOT/bun.zip" bun-linux-x64-baseline/bun -d "$BUN_INSTALL/bin"
+  chmod +x "$BUN_INSTALL/bin/bun"
+}
+
+clone_repo() {
+  mkdir "$ROOT/repo"
+  cd "$ROOT/repo"
+  git init -q
+  git remote add origin "$REPO_URL"
+  git fetch -q --depth=1 origin "$COMMIT"
+  git checkout -q --detach FETCH_HEAD
+  test "$(git rev-parse HEAD)" = "$COMMIT"
+}
+
+install_dependencies() {
+  cd "$ROOT/repo"
+  bun install
+  git diff --exit-code -- bun.lock package.json
+}
+
+typecheck() {
+  cd "$ROOT/repo"
+  bun typecheck
+}
+
+disk() {
+  du -sx --block-size=1 "$ROOT" | awk '{print $1}'
+}
+
+cleanup() {
+  local status=$?
+  if [[ "$KEEP_ROOT" != "true" ]]; then
+    rm -rf "$ROOT"
+  fi
+  exit "$status"
+}
+trap cleanup EXIT INT TERM
+
+total_start="$(timestamp)"
+phase prepare prepare
+
+rm -rf "$ROOT"
+mkdir -p "$ROOT/bun/bin" "$ROOT/home" "$ROOT/bun-cache"
+export HOME="$ROOT/home"
+export BUN_INSTALL="$ROOT/bun"
+export BUN_INSTALL_CACHE_DIR="$ROOT/bun-cache"
+export PATH="$BUN_INSTALL/bin:$PATH"
+export CI=true
+export OPENCODE_DISABLE_SHARE=true
+export TURBO_TELEMETRY_DISABLED=1
+
+printf 'BENCH_META\tcommit\t%s\n' "$COMMIT"
+printf 'BENCH_META\tarchitecture\t%s\n' "$(uname -m)"
+printf 'BENCH_META\tkernel\t%s\n' "$(uname -sr)"
+printf 'BENCH_META\tlogical_cpus\t%s\n' "$(getconf _NPROCESSORS_ONLN)"
+printf 'BENCH_META\tcpu_model\t%s\n' "$(awk -F: '/model name/{gsub(/^[ \t]+/, "", $2); print $2; exit}' /proc/cpuinfo)"
+printf 'BENCH_META\tmemory_kib\t%s\n' "$(awk '/MemTotal/{print $2}' /proc/meminfo)"
+
+phase bun_download download_bun
+phase bun_unpack unpack_bun
+printf 'BENCH_META\tbun_version\t%s\n' "$(bun --version)"
+printf 'BENCH_META\tnode_version\t%s\n' "$(node --version)"
+
+phase clone clone_repo
+printf 'BENCH_DISK\tafter_clone\t%s\n' "$(disk)"
+phase install install_dependencies
+printf 'BENCH_DISK\tafter_install\t%s\n' "$(disk)"
+phase typecheck typecheck
+printf 'BENCH_DISK\tafter_typecheck\t%s\n' "$(disk)"
+printf 'BENCH_DONE\t%s\n' "$(git -C "$ROOT/repo" rev-parse HEAD)"
+total_end="$(timestamp)"
+printf 'BENCH_PHASE\ttotal\t%s\n' "$(( (total_end - total_start) / 1000000 ))"