ci: use gacts/run-and-post-run@v1 for commands in run and post-run

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

@@ -181,28 +181,24 @@ runs:
         mkdir -p node_modules/.cache/agoric
         date > node_modules/.cache/agoric/yarn-built
 
-    # Refs: https://github.com/orgs/community/discussions/45342
-    - name: Validate Git Tree in Root Directory
-      if: inputs.path == '.'
-      uses: ./.github/actions/with-post-step
+    - name: Validate Git Tree Cleanliness
+      uses: gacts/run-and-post-run@v1
       with:
-        main: echo "Checking Git tree for changes in the root directory..."
-        post: |
+        working-directory: ${{ inputs.path }}
+        shell: bash
+        run: |
           set -x
-          if [ -n "$(git status --porcelain | grep -vE 'junit.xml$' | grep -vE '^[?][?] endo-sha.txt$|^.'; true)" ]; then
+          changes=$(git status --porcelain | grep -vE 'junit.xml$' | grep -vE '^\?\? endo-sha.txt$')
+          if [ -n "$changes" ]; then
             git status
-            echo "Unexpected dirty git status in default path" 1>&2
+            echo "Unexpected dirty git status in Agoric SDK path" 1>&2
             exit 1
           fi
 
-    - name: Validate Git Tree in Agoric SDK Directory
-      if: inputs.path == './agoric-sdk'
-      uses: ./agoric-sdk/.github/actions/with-post-step
-      with:
-        main: echo "Checking Git tree for changes in the root directory..."
         post: |
           set -x
-          if [ -n "$(git status --porcelain | grep -vE 'junit.xml$' | grep -vE '^[?][?] endo-sha.txt$|^.'; true)" ]; then
+          changes=$(git status --porcelain | grep -vE 'junit.xml$' | grep -vE '^\?\? endo-sha.txt$')
+          if [ -n "$changes" ]; then
             git status
             echo "Unexpected dirty git status in Agoric SDK path" 1>&2
             exit 1