Revert recent changes (#134)

Author: jakebailey

src/checkGithubRepos.ts

@@ -12,7 +12,7 @@ const [,, entrypoint, oldTsNpmVersion, newTsNpmVersion, repoListPath, workerCoun
 
 mainAsync({
     testType: "github",
-    tmpfs: false,
+    tmpfs: true,
     entrypoint: entrypoint as TsEntrypoint,
     diagnosticOutput: diagnosticOutput.toLowerCase() === "true",
     buildWithNewWhenOldFails: false,

src/checkUserTestRepos.ts

@@ -12,7 +12,7 @@ const [,, entrypoint, oldTsRepoUrl, oldHeadRef, prNumber, buildWithNewWhenOldFai
 
 mainAsync({
     testType: "user",
-    tmpfs: false,
+    tmpfs: true,
     entrypoint: entrypoint as TsEntrypoint,
     oldTsRepoUrl,
     oldHeadRef,

src/main.ts

@@ -518,10 +518,6 @@ export async function getTscRepoResult(
 
     const buildStart = performance.now();
     try {
-        // Force add all of the ignored files we just installed so we can git clean to go back to this state later.
-        console.log("Staging installed files");
-        await execAsync(repoDir, "git add --force .");
-            
         console.log(`Building with ${oldTscPath} (old)`);
         const oldErrors = await ge.buildAndGetErrors(repoDir, monorepoPackages, isUserTestRepo, oldTscPath, executionTimeout, /*skipLibCheck*/ true);
 
@@ -562,10 +558,6 @@ export async function getTscRepoResult(
             summary += `**${oldFailuresMessage}**\n`;
         }
 
-        console.log("Restoring repo to post-install state");
-        await execAsync(repoDir, "git restore .");
-        await execAsync(repoDir, "git clean -xdff");
-
         console.log(`Building with ${newTscPath} (new)`);
         const newErrors = await ge.buildAndGetErrors(repoDir, monorepoPackages, isUserTestRepo, newTscPath, executionTimeout, /*skipLibCheck*/ true);
 
@@ -675,11 +667,6 @@ export async function getTscRepoResult(
         return { status: "Unknown failure" };
     }
     finally {
-        console.log("Unstaging installed files");
-        await execAsync(repoDir, "git restore .");
-        await execAsync(repoDir, "git clean -xdff");
-        await execAsync(repoDir, "git restore --staged .");
-
         logStepTime(diagnosticOutput, repo, "build", buildStart);
     }