From 32e1210b3c2b443834e04eb8bac1e07108c47b4f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 18 Jul 2025 21:21:33 +0000
Subject: [PATCH 1/2] Initial plan


From 27f7e379593b425b363ce56fa88231cf93740254 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 18 Jul 2025 22:11:14 +0000
Subject: [PATCH 2/2] Add externals directory caching to copilot-setup-steps
 workflow

Co-authored-by: mattleibow <1096616+mattleibow@users.noreply.github.com>
---
 .github/workflows/copilot-setup-steps.yml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 814cedb57..41ed29bed 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -27,10 +27,31 @@ jobs:
     - name: Restore dotnet tools
       run: dotnet tool restore
 
+    # Cache the externals directory based on config.json content
+    # This caches the Maven artifacts downloaded by the binderator tool
+    # to avoid re-downloading the same artifacts on subsequent runs
+    - name: Restore externals cache
+      id: cache-externals-restore
+      uses: actions/cache/restore@v4
+      with:
+        path: ./externals
+        key: externals-${{ hashFiles('config.json') }}
+
     - name: Run dotnet cake
       run: dotnet cake
       continue-on-error: true
 
+    # Save the externals cache after dotnet cake runs
+    # This ensures the cache reflects the original config.json state
+    # before any potential modifications by the build process
+    - name: Save externals cache
+      id: cache-externals-save
+      uses: actions/cache/save@v4
+      if: steps.cache-externals-restore.outputs.cache-hit != 'true'
+      with:
+        path: ./externals
+        key: externals-${{ hashFiles('config.json') }}
+
     - name: Display environment info
       run: |
         echo "=== Environment Summary ==="