fix(ci): handle initial plugin inspector pushes

.github/workflows/plugin-inspector-pin-bump-dispatch.yml

@@ -27,7 +27,12 @@ jobs:
       - name: Fetch previous main commit
         env:
           BASE_SHA: ${{ github.event.before }}
-        run: git fetch --no-tags --depth=1 origin "$BASE_SHA"
+        run: |
+          if [ "$BASE_SHA" = "0000000000000000000000000000000000000000" ]; then
+            printf '%s\n' "Initial push detected; skipping fetch for the all-zero base SHA."
+          else
+            git fetch --no-tags --depth=1 origin "$BASE_SHA"
+          fi
 
       - name: Detect pinned Plugin Inspector change
         id: detect

scripts/github/plugin-inspector-pin-change.mjs

@@ -4,9 +4,14 @@ import { resolve } from "node:path";
 import { pathToFileURL } from "node:url";
 
 const DEPENDENCY_NAME = "@openclaw/plugin-inspector";
+export const EMPTY_TREE_SHA = "4b825dc642cb6eb9a060e54bf8d69288fbee4904";
 const PACKAGE_MANIFEST_FILES = ["package.json", "packages/clawhub/package.json"];
 const PACKAGE_MANAGER_FILES = new Set([...PACKAGE_MANIFEST_FILES, "bun.lock"]);
 
+export function normalizeBaseSha(base) {
+  return base === "0".repeat(40) ? EMPTY_TREE_SHA : base;
+}
+
 export function readPinnedPluginInspectorVersion(packageJsonText) {
   const parsed = JSON.parse(packageJsonText);
   for (const field of [
@@ -103,6 +108,9 @@ function git(args) {
 }
 
 function readPackageJsonsAt(ref) {
+  if (ref === EMPTY_TREE_SHA) {
+    return Object.fromEntries(PACKAGE_MANIFEST_FILES.map((file) => [file, "{}"]));
+  }
   return Object.fromEntries(
     PACKAGE_MANIFEST_FILES.map((file) => [file, git(["show", `${ref}:${file}`])]),
   );
@@ -129,9 +137,10 @@ function writeOutput(result) {
 
 export function main(argv = process.argv.slice(2)) {
   const { base, head } = parseArgs(argv);
+  const normalizedBase = normalizeBaseSha(base);
   const result = detectPinnedPluginInspectorChange({
-    changedFiles: changedFilesBetween(base, head),
-    basePackageJsonByPath: readPackageJsonsAt(base),
+    changedFiles: changedFilesBetween(normalizedBase, head),
+    basePackageJsonByPath: readPackageJsonsAt(normalizedBase),
     headPackageJsonByPath: readPackageJsonsAt(head),
   });
   writeOutput(result);

scripts/github/plugin-inspector-pin-change.test.mjs

@@ -1,6 +1,8 @@
 import { describe, expect, it } from "vitest";
 import {
   detectPinnedPluginInspectorChange,
+  EMPTY_TREE_SHA,
+  normalizeBaseSha,
   readPinnedPluginInspectorVersion,
 } from "./plugin-inspector-pin-change.mjs";
 
@@ -18,6 +20,11 @@ const packageJsonsByPath = (rootVersion, cliVersion = rootVersion) => ({
 });
 
 describe("plugin inspector pin change detection", () => {
+  it("uses the empty tree for an initial push base SHA", () => {
+    expect(normalizeBaseSha("0".repeat(40))).toBe(EMPTY_TREE_SHA);
+    expect(normalizeBaseSha("abc123")).toBe("abc123");
+  });
+
   it("detects merged changes to the pinned plugin inspector dependency", () => {
     expect(
       detectPinnedPluginInspectorChange({

src/__tests__/package-publish-workflow.test.ts

@@ -112,6 +112,10 @@ describe("package publish workflow", () => {
     expect(workflowText).toContain("dry_run=false");
     expect(workflowText).toContain("BASE_SHA: ${{ github.event.before }}");
     expect(workflowText).toContain("HEAD_SHA: ${{ github.sha }}");
+    expect(workflowText).toContain(
+      'if [ "$BASE_SHA" = "0000000000000000000000000000000000000000" ]',
+    );
+    expect(workflowText).toContain("skipping fetch for the all-zero base SHA");
     expect(workflowText).toContain("source_sha=${{ github.sha }}");
     expect(workflowText).not.toContain("pull_request_target");
   });