When running on a schedule, make a better guess about whether we're analyzing the default branch.

lib/actions-util.js

@@ -659,17 +659,21 @@ function getWorkflowEvent() {
         throw new Error(`Unable to read workflow event JSON from ${eventJsonFile}: ${e}`);
     }
 }
+function removeRefsHeadsPrefix(ref) {
+    return ref.startsWith("refs/heads/") ? ref.slice("refs/heads/".length) : ref;
+}
 // Is the version of the repository we are currently analyzing from the default branch,
 // or alternatively from another branch or a pull request.
 async function isAnalyzingDefaultBranch() {
     var _a;
     // Get the current ref and trim and refs/heads/ prefix
     let currentRef = await getRef();
-    currentRef = currentRef.startsWith("refs/heads/")
+    currentRef = removeRefsHeadsPrefix(currentRef);
-        ? currentRef.slice("refs/heads/".length)
-        : currentRef;
     const event = getWorkflowEvent();
-    const defaultBranch = (_a = event === null || event === void 0 ? void 0 : event.repository) === null || _a === void 0 ? void 0 : _a.default_branch;
+    let defaultBranch = (_a = event === null || event === void 0 ? void 0 : event.repository) === null || _a === void 0 ? void 0 : _a.default_branch;
+    if (process.env.GITHUB_EVENT_NAME === "schedule") {
+        defaultBranch = removeRefsHeadsPrefix((0, util_1.getRequiredEnvParam)("GITHUB_REF"));
+    }
     return currentRef === defaultBranch;
 }
 exports.isAnalyzingDefaultBranch = isAnalyzingDefaultBranch;

lib/actions-util.test.js

@@ -495,6 +495,23 @@ on: ["push"]
         t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), true);
         process.env["GITHUB_REF"] = "feature";
         t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), false);
+        fs.writeFileSync(envFile, JSON.stringify({
+            schedule: "0 0 * * *",
+        }));
+        process.env["GITHUB_EVENT_NAME"] = "schedule";
+        process.env["GITHUB_REF"] = "refs/heads/main";
+        t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), true);
+        const getAdditionalInputStub = sinon.stub(actionsutil, "getOptionalInput");
+        getAdditionalInputStub
+            .withArgs("ref")
+            .resolves("refs/heads/something-else");
+        getAdditionalInputStub
+            .withArgs("sha")
+            .resolves("0000000000000000000000000000000000000000");
+        process.env["GITHUB_EVENT_NAME"] = "schedule";
+        process.env["GITHUB_REF"] = "refs/heads/main";
+        t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), false);
+        getAdditionalInputStub.restore();
     });
 });
 //# sourceMappingURL=actions-util.test.js.map

src/actions-util.test.ts

@@ -751,5 +751,27 @@ test("isAnalyzingDefaultBranch()", async (t) => {
 
     process.env["GITHUB_REF"] = "feature";
     t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), false);
+
+    fs.writeFileSync(
+      envFile,
+      JSON.stringify({
+        schedule: "0 0 * * *",
+      })
+    );
+    process.env["GITHUB_EVENT_NAME"] = "schedule";
+    process.env["GITHUB_REF"] = "refs/heads/main";
+    t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), true);
+
+    const getAdditionalInputStub = sinon.stub(actionsutil, "getOptionalInput");
+    getAdditionalInputStub
+      .withArgs("ref")
+      .resolves("refs/heads/something-else");
+    getAdditionalInputStub
+      .withArgs("sha")
+      .resolves("0000000000000000000000000000000000000000");
+    process.env["GITHUB_EVENT_NAME"] = "schedule";
+    process.env["GITHUB_REF"] = "refs/heads/main";
+    t.deepEqual(await actionsutil.isAnalyzingDefaultBranch(), false);
+    getAdditionalInputStub.restore();
   });
 });

src/actions-util.ts

@@ -860,17 +860,23 @@ function getWorkflowEvent(): any {
   }
 }
 
+function removeRefsHeadsPrefix(ref: string): string {
+  return ref.startsWith("refs/heads/") ? ref.slice("refs/heads/".length) : ref;
+}
+
 // Is the version of the repository we are currently analyzing from the default branch,
 // or alternatively from another branch or a pull request.
 export async function isAnalyzingDefaultBranch(): Promise<boolean> {
   // Get the current ref and trim and refs/heads/ prefix
   let currentRef = await getRef();
-  currentRef = currentRef.startsWith("refs/heads/")
+  currentRef = removeRefsHeadsPrefix(currentRef);
-    ? currentRef.slice("refs/heads/".length)
-    : currentRef;
 
   const event = getWorkflowEvent();
-  const defaultBranch = event?.repository?.default_branch;
+  let defaultBranch = event?.repository?.default_branch;
+
+  if (process.env.GITHUB_EVENT_NAME === "schedule") {
+    defaultBranch = removeRefsHeadsPrefix(getRequiredEnvParam("GITHUB_REF"));
+  }
 
   return currentRef === defaultBranch;
 }