Front-load caching and rear-load saving to disk

This implementation saves CPU and I/O by not trying to write to the file on every set-cache.

lib/entry-points.js

@@ -149934,9 +149934,12 @@ function readCommandCacheFile() {
   }
   return {};
 }
-function writeCommandCacheFile(data) {
+function writeCommandCacheFile() {
   try {
-    fs6.writeFileSync(getCommandCacheFilePath(), JSON.stringify(data));
+    fs6.writeFileSync(
+      getCommandCacheFilePath(),
+      JSON.stringify(Object.fromEntries(inMemoryCache))
+    );
   } catch (e) {
     logger.warning(`Failed to write command cache file: ${e}`);
   }
@@ -149944,9 +149947,6 @@ function writeCommandCacheFile(data) {
 function cacheCommandOutput(key, cmd, output) {
   const entry = { cmd, output };
   inMemoryCache.set(key, entry);
-  const data = readCommandCacheFile();
-  data[key] = entry;
-  writeCommandCacheFile(data);
 }
 function getCachedCommandOutput(key, cmd, validate) {
   const memoized = inMemoryCache.get(key);
@@ -159013,6 +159013,8 @@ async function run3(startedAt) {
     toolsVersion = initCodeQLResult.toolsVersion;
     toolsSource = initCodeQLResult.toolsSource;
     zstdAvailability = initCodeQLResult.zstdAvailability;
+    await codeql.getVersion();
+    await codeql.resolveLanguages();
     await checkWorkflow(logger2, codeql);
     if (
       // Only enable the experimental features env variable for Rust analysis if the user has explicitly
@@ -159322,6 +159324,7 @@ exec ${goBinaryPath} "$@"`
     await saveConfig(config, logger2);
     core20.setOutput("codeql-path", config.codeQLCmd);
     core20.setOutput("codeql-version", (await codeql.getVersion()).version);
+    writeCommandCacheFile();
   } catch (unwrappedError) {
     const error3 = wrapError(unwrappedError);
     core20.setFailed(error3.message);