Revert "Change to content hash for RN canary VERSION strings (faceboo…

…k#28582)"

This reverts commit cb076b5.

scripts/rollup/build-all-release-channels.js

@@ -173,17 +173,25 @@ function processStable(buildDir) {
     );
   }
 
-  [
-    buildDir + '/react-native/implementations/',
-    buildDir + '/facebook-react-native/',
-  ].forEach(reactNativeBuildDir => {
-    if (fs.existsSync(reactNativeBuildDir)) {
-      updatePlaceholderReactVersionInCompiledArtifacts(
-        reactNativeBuildDir,
-        ReactVersion + '-' + canaryChannelLabel + '-%FILEHASH%'
-      );
+  const reactNativeBuildDir = buildDir + '/react-native/implementations/';
+  if (fs.existsSync(reactNativeBuildDir)) {
+    const hash = crypto.createHash('sha1');
+    for (const fileName of fs.readdirSync(reactNativeBuildDir).sort()) {
+      const filePath = reactNativeBuildDir + fileName;
+      const stats = fs.statSync(filePath);
+      if (!stats.isDirectory()) {
+        hash.update(fs.readFileSync(filePath));
+      }
     }
-  });
+    updatePlaceholderReactVersionInCompiledArtifacts(
+      reactNativeBuildDir,
+      ReactVersion +
+        '-' +
+        canaryChannelLabel +
+        '-' +
+        hash.digest('hex').slice(0, 8)
+    );
+  }
 
   // Update remaining placeholders with canary channel version
   updatePlaceholderReactVersionInCompiledArtifacts(
@@ -354,11 +362,9 @@ function updatePlaceholderReactVersionInCompiledArtifacts(
 
   for (const artifactFilename of artifactFilenames) {
     const originalText = fs.readFileSync(artifactFilename, 'utf8');
-    const fileHash = crypto.createHash('sha1');
-    fileHash.update(originalText);
     const replacedText = originalText.replaceAll(
       PLACEHOLDER_REACT_VERSION,
-      newVersion.replace(/%FILEHASH%/g, fileHash.digest('hex').slice(0, 8))
+      newVersion
     );
     fs.writeFileSync(artifactFilename, replacedText);
   }