mirror of
https://github.com/deepseek-ai/deepseek-harness.git
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103 lines
4.0 KiB
TypeScript
103 lines
4.0 KiB
TypeScript
/**
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* Process helpers shared by the release scripts: the release steps drive `git`,
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* `pnpm`, `npm`, and `tar`, and each needs one of three failure behaviours.
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*/
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import { spawn, spawnSync } from 'node:child_process'
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import { realpathSync } from 'node:fs'
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import { fileURLToPath } from 'node:url'
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/** Where and with what environment a release step runs a command. */
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export interface RunOptions {
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readonly cwd?: string
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readonly env?: NodeJS.ProcessEnv
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}
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/** What a command produced, for a caller that decides what a failure means. */
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export interface CommandResult {
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/** Exit status, or null when a signal ended the process. */
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readonly status: number | null
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readonly stdout: string
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readonly stderr: string
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}
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/**
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* Run a command and capture its output without judging the exit status.
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* @param command - executable name.
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* @param args - command arguments.
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* @param options - working directory and environment.
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* @returns The exit status and captured streams.
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*/
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export function attempt(command: string, args: readonly string[], options: RunOptions = {}): CommandResult {
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const result = spawnSync(command, [...args], { cwd: options.cwd, env: options.env, encoding: 'utf8' })
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if (result.error !== undefined) throw result.error
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return { status: result.status, stdout: result.stdout, stderr: result.stderr }
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}
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/**
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* Run a command, then echo and return its captured output. Output is buffered
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* until exit and stdout precedes stderr.
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* @param command - executable name.
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* @param args - command arguments.
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* @param options - working directory and environment.
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* @returns The exit status and captured streams.
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*/
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export function attemptEchoed(command: string, args: readonly string[], options: RunOptions = {}): CommandResult {
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const result = spawnSync(command, [...args], {
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cwd: options.cwd,
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env: options.env,
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encoding: 'utf8',
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stdio: ['inherit', 'pipe', 'pipe'],
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})
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if (result.error !== undefined) throw result.error
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if (result.stdout !== '') process.stdout.write(result.stdout)
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if (result.stderr !== '') process.stderr.write(result.stderr)
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return { status: result.status, stdout: result.stdout, stderr: result.stderr }
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}
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/**
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* Run a command, capture its standard output, and fail on a non-zero exit.
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* @param command - executable name.
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* @param args - command arguments.
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* @param options - working directory and environment.
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* @returns The trimmed standard output.
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*/
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export function capture(command: string, args: readonly string[], options: RunOptions = {}): string {
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const result = attempt(command, args, options)
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if (result.status !== 0) {
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throw new Error(`${command} ${args.join(' ')} exited with ${String(result.status)}:\n${result.stdout}\n${result.stderr}`)
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}
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return result.stdout.trim()
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}
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/**
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* Run a command with inherited streams without blocking the event loop, so a
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* caller can hold several commands in flight, and fail on a non-zero exit.
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* Concurrent children interleave their output at line granularity.
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* @param command - executable name.
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* @param args - command arguments.
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* @param options - working directory and environment.
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* @returns Resolves when the command exits with status zero.
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*/
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export function runConcurrent(command: string, args: readonly string[], options: RunOptions = {}): Promise<void> {
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return new Promise((resolveRun, rejectRun) => {
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const child = spawn(command, [...args], { cwd: options.cwd, env: options.env, stdio: 'inherit' })
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child.once('error', rejectRun)
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child.once('close', (status, signal) => {
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if (status === 0) resolveRun()
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else rejectRun(new Error(`${command} ${args.join(' ')} exited with ${String(status ?? signal)}`))
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})
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})
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}
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/**
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* Return whether Node started the given module as the process entry point.
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* @param moduleUrl - the caller's `import.meta.url`.
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* @returns True when Node started this module.
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*/
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export function isEntry(moduleUrl: string): boolean {
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const invoked = process.argv[1]
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if (invoked === undefined) return false
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return realpathSync(invoked) === realpathSync(fileURLToPath(moduleUrl))
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}
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