ci(restore-node): avoid clobbering #endo-branch: setup

.github/actions/restore-node/action.yml

@@ -27,13 +27,13 @@ runs:
       shell: bash
     - uses: actions/checkout@v3
       with:
-        clean: 'false'
+        clean: false
         submodules: 'true'
         persist-credentials: false
         path: ${{ inputs.path }}
     # Select a branch on Endo to test against by adding text to the body of the
     # pull request. For example: #endo-branch: some-pr-branch
-    # The default is '*NONE*' to indicate not to check out Endo, just use
+    # The default is '*NOPE*' to indicate not to check out Endo, just use
     # the published NPM packages.
     - name: Get the appropriate Endo branch
       id: endo-branch
@@ -131,9 +131,16 @@ runs:
     - name: git dirty check
       working-directory: ${{ inputs.path }}
       run: |-
-        if [ -n "$(git status --porcelain)" ];
-        then
-          git status
-          exit 1
+        set -x
+        if [ "${{ steps.endo-branch.outputs.result }}" == NOPE ]; then
+          statout=$(git status --porcelain)
+        else
+          # In case of Endo override, ignore certain changes.
+          statout=$(git status --porcelain | grep -Eve '^ M (package\.json|yarn\.lock)$'; true)
         fi
+
+        [ -n "$statout" ] || exit 0
+        git status
+        echo "Unexpected dirty git status" 1>&2
+        exit 1
       shell: bash