1/** 2 * You should have ts-node installed globally before executing this, probably! 3 * Otherwise you'll need to compile this script before you start bisecting! 4 */ 5import cp = require("child_process"); 6import fs = require("fs"); 7 8// Slice off 'node bisect-test.js' from the command line args 9const args = process.argv.slice(2); 10 11function tsc(tscArgs: string, onExit: (exitCode: number) => void) { 12 const tsc = cp.exec("node built/local/tsc.js " + tscArgs,() => void 0); 13 tsc.on("close", tscExitCode => { 14 onExit(tscExitCode); 15 }); 16} 17 18// TODO: Rewrite bisect script to handle the post-jake/gulp swap period 19const jake = cp.exec("jake clean local", () => void 0); 20jake.on("close", jakeExitCode => { 21 if (jakeExitCode === 0) { 22 // See what we're being asked to do 23 if (args[1] === "compiles" || args[1] === "!compiles") { 24 tsc(args[0], tscExitCode => { 25 if ((tscExitCode === 0) === (args[1] === "compiles")) { 26 console.log("Good"); 27 process.exit(0); // Good 28 } 29 else { 30 console.log("Bad"); 31 process.exit(1); // Bad 32 } 33 }); 34 } 35 else if (args[1] === "emits" || args[1] === "!emits") { 36 tsc(args[0], tscExitCode => { 37 fs.readFile(args[2], "utf-8", (err, data) => { 38 const doesContains = data.indexOf(args[3]) >= 0; 39 if (doesContains === (args[1] === "emits")) { 40 console.log("Good"); 41 process.exit(0); // Good 42 } 43 else { 44 console.log("Bad"); 45 process.exit(1); // Bad 46 } 47 }); 48 }); 49 } 50 else { 51 console.log("Unknown command line arguments."); 52 console.log("Usage (compile errors): git bisect run ts-node scripts\bisect-test.ts '../failure.ts --module amd' !compiles"); 53 console.log("Usage (emit check): git bisect run ts-node scripts\bisect-test.ts bar.ts emits bar.js '_this = this'"); 54 // Aborts the 'git bisect run' process 55 process.exit(-1); 56 } 57 } 58 else { 59 // Compiler build failed; skip this commit 60 console.log("Skip"); 61 process.exit(125); // bisect skip 62 } 63}); 64