fix(scripts): process commits since origin/main in test:e2e:legacy:preview (#6539)

Author: trivikr

tests/e2e-legacy/preview.mjs

@@ -9,17 +9,24 @@ import { runTestForTags } from "./runTestForTags.mjs";
 const __dirname = getDirName();
 
 const execOptions = { ...process, cwd: __dirname, encoding: "utf-8" };
-const commitMessage = execSync(`git show -s --format=%s`, execOptions);
-const prefix = commitMessage.split(":")[0];
-const scope = prefix.substring(prefix.indexOf("(") + 1, prefix.indexOf(")"));
-console.info(`Updated scope: ${scope}`);
+const commitsSinceOriginHead = execSync(`git log --oneline origin/main..HEAD --format=%s`, execOptions).split("\n");
 
-if (!scope) {
-  console.info(`Couldn't find scope in commit message '${commitMessage}'`);
+const updatedClients = new Set();
+for (const commitMessage of commitsSinceOriginHead) {
+  const prefix = commitMessage.split(":")[0];
+  const scope = prefix.substring(prefix.indexOf("(") + 1, prefix.indexOf(")"));
+  if (scope && scope.startsWith("client-")) {
+    updatedClients.add(`@aws-sdk/${scope}`);
+  }
+}
+console.info(`Updated packages: ${updatedClients}`);
+
+if (updatedClients.size === 0) {
+  console.info(`Couldn't find clients in commit messages:\n '${commitsSinceOriginHead.join("\n")}'`);
   process.exit(1);
 }
 
 const allTags = getAllTags();
-const changedPackageTags = getPackageTags([`@aws-sdk/${scope}`]);
+const changedPackageTags = getPackageTags([...updatedClients]);
 const tagsToTest = changedPackageTags.filter((tag) => allTags.includes(tag));
 runTestForTags(tagsToTest);