From 5315d084c67e29eca74d538b2c7654ecc803e3b8 Mon Sep 17 00:00:00 2001
From: Michael FIG <mfig@agoric.com>
Date: Tue, 20 Jun 2023 11:28:33 -0600
Subject: [PATCH] ci(SwingSet): only test golden snapshot hashes with pinned
 Endo

---
 .github/workflows/test-all-packages.yml    | 8 ++++++++
 packages/SwingSet/test/test-xsnap-store.js | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/.github/workflows/test-all-packages.yml b/.github/workflows/test-all-packages.yml
index cbc6182f323..26a9d5c4cc1 100644
--- a/.github/workflows/test-all-packages.yml
+++ b/.github/workflows/test-all-packages.yml
@@ -464,6 +464,8 @@ jobs:
       - uses: ./.github/actions/restore-node
         with:
           node-version: ${{ steps.vars.outputs.node-version }}
+        id: restore-node
+      - run: echo "ENDO_BRANCH=${{ steps.restore-node.outputs.endo-branch }}" >> $GITHUB_ENV
       # END-TEST-BOILERPLATE
       - name: yarn test (SwingSet)
         if: (success() || failure())
@@ -504,6 +506,8 @@ jobs:
       - uses: ./.github/actions/restore-node
         with:
           node-version: ${{ steps.vars.outputs.node-version }}
+        id: restore-node
+      - run: echo "ENDO_BRANCH=${{ steps.restore-node.outputs.endo-branch }}" >> $GITHUB_ENV
       # END-TEST-BOILERPLATE
       - name: yarn test (SwingSet)
         if: (success() || failure())
@@ -553,6 +557,8 @@ jobs:
       - uses: ./.github/actions/restore-node
         with:
           node-version: ${{ steps.vars.outputs.node-version }}
+        id: restore-node
+      - run: echo "ENDO_BRANCH=${{ steps.restore-node.outputs.endo-branch }}" >> $GITHUB_ENV
       # END-TEST-BOILERPLATE
       - name: yarn test (SwingSet)
         if: (success() || failure())
@@ -592,6 +598,8 @@ jobs:
       - uses: ./.github/actions/restore-node
         with:
           node-version: ${{ steps.vars.outputs.node-version }}
+        id: restore-node
+      - run: echo "ENDO_BRANCH=${{ steps.restore-node.outputs.endo-branch }}" >> $GITHUB_ENV
       # END-TEST-BOILERPLATE
 
       - name: yarn test (SwingSet)
diff --git a/packages/SwingSet/test/test-xsnap-store.js b/packages/SwingSet/test/test-xsnap-store.js
index 83b5f51f2ee..3c015ab89d4 100644
--- a/packages/SwingSet/test/test-xsnap-store.js
+++ b/packages/SwingSet/test/test-xsnap-store.js
@@ -1,3 +1,4 @@
+/* global globalThis */
 import '@endo/init/debug.js';
 
 import { spawn } from 'child_process';
@@ -130,6 +131,13 @@ test('create SES worker, save, restore, resume', async t => {
  * They are also sensitive to the XS code itself.
  */
 test('XS + SES snapshots are long-term deterministic', async t => {
+  const ENDO_BRANCH = globalThis.process?.env?.ENDO_BRANCH;
+  if (ENDO_BRANCH && ENDO_BRANCH !== 'NOPE') {
+    t.log(`Skipping test on ENDO_BRANCH=${ENDO_BRANCH}`);
+    t.pass();
+    return;
+  }
+
   const db = sqlite3(':memory:');
   const store = makeSnapStore(db, () => {}, makeMockSnapStoreIO());