ci: use pyTooling/Actions/with-post-step for commands in run and post…

…-run

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

@@ -181,29 +181,10 @@ 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: pyTooling/Actions/with-post-step@v0.4.5
       with:
-        main: echo "Checking Git tree for changes in the root directory..."
+        main: |
+          bash ${{ inputs.path }}/.github/actions/restore-node/check-git-status.sh ${{ inputs.path }}
         post: |
-          set -x
-          if [ -n "$(git status --porcelain | grep -vE 'junit.xml$' | grep -vE '^[?][?] endo-sha.txt$|^.'; true)" ]; then
-            git status
-            echo "Unexpected dirty git status in default 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
-            git status
-            echo "Unexpected dirty git status in Agoric SDK path" 1>&2
-            exit 1
-          fi
+          bash ${{ inputs.path }}/.github/actions/restore-node/check-git-status.sh ${{ inputs.path }}

.github/actions/restore-node/check-git-status.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Set verbose execution
+set -x
+# Navigate to the specified directory
+cd $1
+# Check for unexpected changes
+# Fail if git status detects changes, ignoring:
+# - Files ending with 'junit.xml' (cf. scripts/ci-collect-testruns.sh, invoked by ../post-test/action.yml)
+# - The untracked file 'endo-sha.txt' (cf. ./action.yml)
+changes=$(git status --porcelain | grep -vE '/junit\.xml$' | grep -vFx '?? endo-sha.txt')
+if [ -n "$changes" ]; then
+  git status
+  echo "Unexpected dirty git status in Agoric SDK path"
+  exit 1
+fi