File size: 5,174 Bytes
1244914 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | import * as fs from "fs";
import * as path from "path";
import { spawn } from "child_process";
import stripAnsi from "strip-ansi";
import type { Validation, Task } from "./model.js";
import { runValidations, allValidationsPassed } from "./verification.js";
import { formatTimestamp } from "./utils.js";
export type TaskExecutionResult = {
index: number;
command: string;
duration: number;
output?: string;
error?: string;
isTimeout: boolean;
earlyExit?: boolean;
};
/**
* Executes a single task command and returns the result
*/
export async function executeTask(
command: string,
index: number,
logFile: string,
cwd: string,
task: Task,
context?: Record<string, string>,
append: boolean = false,
): Promise<TaskExecutionResult> {
const startTime = Date.now();
// Create log stream for this task (append if this is not the first command)
const logStream = fs.createWriteStream(logFile, {
flags: append ? "a" : "w",
});
// Write command at the top of the log file
logStream.write(`Command: ${command}\n`);
logStream.write(`Started: ${formatTimestamp(new Date())}\n`);
logStream.write(`${"=".repeat(80)}\n\n`);
try {
// Track timeout state outside the promise
let timedOut = false;
let exitedEarly = false;
// Execute command and stream output to log file
const output = await new Promise<string>((resolve, reject) => {
const child = spawn(command, {
shell: true,
cwd: cwd,
stdio: ["ignore", "pipe", "pipe"],
});
let stdout = "";
let stderr = "";
let timeoutId: NodeJS.Timeout | null = null;
// Helper function to check validations after each write
const checkValidations = async () => {
if (exitedEarly || timedOut) return;
if (
task.early_exit &&
task.validations &&
task.validations.length > 0
) {
const currentOutput = stdout + stderr;
if (currentOutput) {
const results = await runValidations(
currentOutput,
task.validations,
context,
);
if (allValidationsPassed(results)) {
exitedEarly = true;
if (timeoutId) clearTimeout(timeoutId);
if (logStream.writable) {
logStream.write(
`\n${"=".repeat(80)}\nEarly exit: All validations passed\nKilling process...\n`,
() => {
logStream.end();
},
);
}
child.kill("SIGTERM");
resolve(currentOutput);
}
}
}
};
// Set up timeout if configured
if (task.timeout) {
timeoutId = setTimeout(() => {
timedOut = true;
if (logStream.writable) {
logStream.write(`\n${"=".repeat(80)}\n`);
logStream.write(`Timeout: ${task.timeout}s exceeded\n`);
logStream.write(`Killing process...\n`);
logStream.end();
}
child.kill("SIGKILL");
// Resolve with captured output so far
resolve(stdout + stderr);
}, task.timeout * 1000);
}
// Stream stdout to both log file and capture for validation
child.stdout?.on("data", (data) => {
const text = data.toString();
stdout += text;
if (logStream.writable) {
logStream.write(stripAnsi(text));
}
checkValidations();
});
// Stream stderr to both log file and capture for validation
child.stderr?.on("data", (data) => {
const text = data.toString();
stderr += text;
if (logStream.writable) {
logStream.write(stripAnsi(text));
}
checkValidations();
});
child.on("close", (code) => {
if (timeoutId) clearTimeout(timeoutId);
// Don't log or resolve if already timed out or exited early
if (timedOut || exitedEarly) return;
logStream.write(`\n${"=".repeat(80)}\n`);
logStream.write(`Finished: ${formatTimestamp(new Date())}\n`);
logStream.write(`Exit Code: ${code}\n`);
logStream.end();
if (code === 0) {
resolve(stdout + stderr);
} else {
reject(new Error(`Command failed with exit code ${code}`));
}
});
child.on("error", (err) => {
if (timeoutId) clearTimeout(timeoutId);
// Don't log if already timed out or exited early
if (timedOut || exitedEarly) return;
logStream.write(`\nError: ${err.message}\n`);
logStream.end();
reject(err);
});
});
const duration = Date.now() - startTime;
return {
index,
command,
duration,
output,
isTimeout: timedOut,
earlyExit: exitedEarly,
};
} catch (error) {
const duration = Date.now() - startTime;
const errorMessage =
error instanceof Error ? error.message : "Command failed";
return {
index,
command,
duration,
error: errorMessage,
isTimeout: false,
earlyExit: false,
};
}
}
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