download older versions to test

Author: DanielZlotin

measure/README.md

@@ -2,7 +2,7 @@
 
 A simple react native app with some performance benchmarks.
 
-#### Past measurements are saved into [results](/results.json)
+#### Past measurements are saved into [results](/measure/results.json)
 The table blow is generated by calling `npm run generateReadmeTable`
 
 

measure/package.json

@@ -6,7 +6,8 @@
     "android": "cd android && ./gradlew clean uninstallRelease installRelease",
     "androidi18n": "npm run android -- --project-prop i18n=true",
     "start": "node ./scripts/measure",
-    "generateReadmeTable": "node ./scripts/resultsJsonToMarkdown"
+    "generateReadmeTable": "node ./scripts/resultsJsonToMarkdown",
+    "downloadPublishedVersion": "node ./scripts/downloadPublishedVersion"
   },
   "dependencies": {
     "react-native": "0.44.0",

measure/scripts/downloadPublishedVersion.js

@@ -0,0 +1,16 @@
+const _ = require('lodash');
+const exec = require('shell-utils').exec;
+
+const version = process.argv.splice(process.execArgv.length + 2)[0];
+const scriptDir = __dirname;
+const distDir = `${scriptDir}/../../dist`;
+
+run();
+
+function run() {
+  const url = exec.execSyncRead(`npm view jsc-android@${version} dist.tarball`);
+  exec.execSync(`curl ${url} | tar -xf -`);
+  exec.execSync(`rm -rf ${distDir}`);
+  exec.execSync(`cd package && mv $(find . -type d -maxdepth 1 -mindepth 1) ${distDir}`);
+  exec.execSync(`rm -rf ./package`);
+}