diff --git a/.github/actions/restore-node/action.yml b/.github/actions/restore-node/action.yml
index 6d7740325b3..bf48fc1a5fd 100644
--- a/.github/actions/restore-node/action.yml
+++ b/.github/actions/restore-node/action.yml
@@ -181,29 +181,12 @@ 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 "$SRC/.github/actions/restore-node/check-git-status.sh" "$SRC"
         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 "$SRC/.github/actions/restore-node/check-git-status.sh" "$SRC"
+      env:
+        SRC: ${{ inputs.path }}
diff --git a/.github/actions/restore-node/check-git-status.sh b/.github/actions/restore-node/check-git-status.sh
new file mode 100644
index 00000000000..e95d150ec32
--- /dev/null
+++ b/.github/actions/restore-node/check-git-status.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# Set verbose execution
+set -x
+# Navigate to the specified directory
+cd "$1" || exit $?
+# Check for unexpected changes
+# Fail if git status detects changes
+changes=$(git status --porcelain)
+if [ -n "$changes" ]; then
+  git status
+  echo "Unexpected dirty git status in Agoric SDK path"
+  exit 1
+fi
diff --git a/.github/actions/with-post-step/action.yml b/.github/actions/with-post-step/action.yml
deleted file mode 100644
index 9e1295380c8..00000000000
--- a/.github/actions/with-post-step/action.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: With Post Step
-
-description: >
-  JavaScript Action to run a main command and a subsequent post command.
-
-inputs:
-  main:
-    description: 'Primary command or script to execute.'
-    required: true
-  post:
-    description: 'Command or script to run after the main command.'
-    required: true
-  key:
-    description: 'State variable name to identify the post step.'
-    required: false
-    default: POST
-
-runs:
-  using: 'node20'
-  main: 'main.cjs'
-  post: 'main.cjs'
diff --git a/.github/actions/with-post-step/main.cjs b/.github/actions/with-post-step/main.cjs
deleted file mode 100644
index 15390bc4bb4..00000000000
--- a/.github/actions/with-post-step/main.cjs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Ref: https://github.com/pyTooling/Actions/blob/main/with-post-step/main.js
-const { spawn } = require('child_process');
-const { appendFileSync } = require('fs');
-const { EOL } = require('os');
-
-const run = cmd => {
-  const subprocess = spawn(cmd, { stdio: 'inherit', shell: true });
-  subprocess.on('exit', exitCode => {
-    process.exitCode = exitCode;
-  });
-};
-
-const key = process.env.INPUT_KEY.toUpperCase();
-
-if (process.env[`STATE_${key}`] !== undefined) {
-  // Are we in the 'post' step?
-  run(process.env.INPUT_POST);
-} else {
-  // Otherwise, this is the main step
-  appendFileSync(process.env.GITHUB_STATE, `${key}=true${EOL}`);
-  run(process.env.INPUT_MAIN);
-}
diff --git a/.gitignore b/.gitignore
index 924317ab198..4868d9a80f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,3 +68,7 @@ api-docs
 
 chaintest
 _testoutput.txt
+
+
+junit.xml
+endo-sha.txt
\ No newline at end of file
diff --git a/a3p-integration/.gitignore b/a3p-integration/.gitignore
index 2027ea67059..ddfb8bb6826 100644
--- a/a3p-integration/.gitignore
+++ b/a3p-integration/.gitignore
@@ -15,6 +15,7 @@ upgrade-test-scripts
 # same for each proposal, an independent project
 proposals/*/.pnp.*
 proposals/*/.yarn/*
+proposals/a:upgrade-next/*
 !proposals/*/.yarn/patches
 !proposals/*/.yarn/plugins
 !proposals/*/.yarn/releases
diff --git a/packages/cosmic-swingset/.gitignore b/packages/cosmic-swingset/.gitignore
index fd4c7ab84c2..c54a14d5162 100644
--- a/packages/cosmic-swingset/.gitignore
+++ b/packages/cosmic-swingset/.gitignore
@@ -87,3 +87,6 @@ typings/
 
 # next.js build output
 .next
+
+# rosetta-cli executable 
+bin/rosetta-cli
\ No newline at end of file