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import { kill } from "../deps.ts";import { getEnvVars } from "./env.ts";import { escape, isWindows, notNull, OneOrMore } from "./util.ts";import { log } from "./logger.ts";import {  Command,  CompoundCommandItem,  isParallel,  ParallelCommands,} from "./command.ts";import { buildCommandString } from "./build_command_string.ts";import { ArgsForwardingMode } from "./run_script.ts";
const runningProcesses: Set<Deno.Process> = new Set();
interface RunCommandsOptions {  shell: string;  cwd: string;  commands: CompoundCommandItem[];  prefix?: string;  additionalArgs?: string[];  argsForwardingMode?: ArgsForwardingMode;}
export async function runCommands({  shell,  cwd,  commands,  prefix,  additionalArgs,  argsForwardingMode,}: RunCommandsOptions): Promise<void> {  const _runCommands = async (    commands: OneOrMore<CompoundCommandItem>,  ): Promise<unknown> => {    if (!commands) return;    if (Array.isArray(commands)) {      for (let command of commands) {        await _runCommands(command);      }    } else {      if (isParallel(commands)) {        return Promise.all(commands.pll.map((c) => _runCommands(c)));      }      const command = commands as Command;      return runCommand({        shell,        cwd,        command,        prefix,        additionalArgs,        argsForwardingMode,      });    }  };  try {    await _runCommands(commands as Array<Command | ParallelCommands>);  } catch (e) {    runningProcesses.forEach((p) => {      kill(p.pid, { force: true, tree: true });      p.close();    });    throw e;  }}
type RunCommandOptions = Omit<RunCommandsOptions, "commands"> & {  command: Command;};
async function runCommand({  shell,  cwd,  command,  prefix,  additionalArgs,  argsForwardingMode,}: RunCommandOptions): Promise<void> {  const cmd = buildCommandString(command);  const runOptions: Deno.RunOptions = {    cmd: [      shell,      ...buildShellArgs({        shell,        command: cmd,        prefix,        additionalArgs,        argsForwardingMode,      }),    ],    cwd,    env: getEnvVars(command),  };  log.debug(`Running ${JSON.stringify(runOptions, null, "  ")}`);  const process = Deno.run(runOptions);  runningProcesses.add(process);  const status = await process.status();  process.close();  runningProcesses.delete(process);  if (status.code !== 0) {    throw new Error(`Command returned error code ${status.code}`);  }}
type BuildShellArgsOptions = Omit<RunCommandOptions, "command" | "cwd"> & {  command: string;};
function buildShellArgs({  shell,  command,  prefix,  additionalArgs,  argsForwardingMode,}: BuildShellArgsOptions): string[] {  const cmd = [    prefix,    command,    argsForwardingMode === ArgsForwardingMode.DIRECT && additionalArgs &&      additionalArgs.length > 0      ? additionalArgs.map((a) => `"${escape(a, '"')}"`).join(" ")      : null,  ].filter(notNull)    .join(" ");  if (isWindows && /^(?:.*\\)?cmd(?:\.exe)?$/i.test(shell)) {    return ["/d", "/s", "/c", cmd];  }  return [    "-c",    cmd,    ...(argsForwardingMode === ArgsForwardingMode.INDIRECT && additionalArgs      ? additionalArgs      : []),  ];}