[CI] Upload build cache before running tests

This improves turnaround time on large PRs where compilation is
successful but unit testing or similar fails, forcing recompilation of
unchanged code

.github/actions/godot-cache-restore/action.yml

@@ -1,5 +1,5 @@
-name: Setup Godot build cache
-description: Setup Godot build cache.
+name: Restore Godot build cache
+description: Restore Godot build cache.
 inputs:
   cache-name:
     description: The cache base name (job name by default).
@@ -10,9 +10,8 @@ inputs:
 runs:
   using: "composite"
   steps:
-    # Upload cache on completion and check it out now.
-    - name: Load SCons cache directory
-      uses: actions/cache@v4
+    - name: Restore SCons cache directory
+      uses: actions/cache/restore@v4
       with:
         path: ${{inputs.scons-cache}}
         key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}

.github/actions/godot-cache-save/action.yml

@@ -0,0 +1,17 @@
+name: Save Godot build cache
+description: Save Godot build cache.
+inputs:
+  cache-name:
+    description: The cache base name (job name by default).
+    default: "${{github.job}}"
+  scons-cache:
+    description: The SCons cache path.
+    default: "${{github.workspace}}/.scons-cache/"
+runs:
+  using: "composite"
+  steps:
+    - name: Save SCons cache directory
+      uses: actions/cache/save@v4
+      with:
+        path: ${{inputs.scons-cache}}
+        key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}

.github/workflows/android_builds.yml

@@ -49,8 +49,8 @@ jobs:
           distribution: temurin
           java-version: 17
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -66,6 +66,12 @@ jobs:
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Generate Godot templates
         if: matrix.target == 'template_release'
         run: |

.github/workflows/ios_builds.yml

@@ -22,8 +22,8 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         continue-on-error: true
 
       - name: Setup Python and SCons
@@ -37,5 +37,9 @@ jobs:
           target: template_release
           tests: false
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        continue-on-error: true
+
       - name: Upload artifact
         uses: ./.github/actions/upload-artifact

.github/workflows/linux_builds.yml

@@ -111,8 +111,8 @@ jobs:
           sudo rm -rf /usr/local/lib/android
           echo "Disk usage after:" && df -h
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -140,6 +140,12 @@ jobs:
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Generate C# glue
         if: ${{ matrix.build-mono }}
         run: |

.github/workflows/macos_builds.yml

@@ -37,8 +37,8 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -66,6 +66,12 @@ jobs:
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Prepare artifact
         run: |
           lipo -create ./bin/godot.macos.${{ matrix.target }}.x86_64 ./bin/godot.macos.${{ matrix.target }}.arm64 -output ./bin/godot.macos.${{ matrix.target }}.universal

.github/workflows/web_builds.yml

@@ -52,8 +52,8 @@ jobs:
         run: |
           emcc -v
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -69,6 +69,12 @@ jobs:
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Upload artifact
         uses: ./.github/actions/upload-artifact
         if: ${{ matrix.artifact }}

.github/workflows/windows_builds.yml

@@ -42,8 +42,8 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -76,6 +76,12 @@ jobs:
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Prepare artifact
         run: |
           Remove-Item bin/* -Include *.exp,*.lib,*.pdb -Force