[Buildsystem] Tweak cache sizes for CI

.github/workflows/android_builds.yml

@@ -25,18 +25,21 @@ jobs:
             target: editor
             tests: false
             sconsflags: arch=arm64 production=yes swappy=yes
+            cache-limit: 1
 
           - name: Template arm32 (target=template_release, arch=arm32)
             cache-name: android-template-arm32
             target: template_release
             tests: false
             sconsflags: arch=arm32 swappy=yes
+            cache-limit: 1
 
           - name: Template arm64 (target=template_release, arch=arm64)
             cache-name: android-template-arm64
             target: template_release
             tests: false
             sconsflags: arch=arm64 swappy=yes
+            cache-limit: 1
 
     steps:
       - name: Checkout
@@ -77,6 +80,7 @@ jobs:
           platform: android
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: ${{ matrix.cache-limit }}
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save

.github/workflows/ios_builds.yml

@@ -37,6 +37,7 @@ jobs:
           platform: ios
           target: template_release
           tests: false
+          scons-cache-limit: 1
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save

.github/workflows/linux_builds.yml

@@ -35,6 +35,7 @@ jobs:
             proj-conv: true
             api-compat: true
             artifact: true
+            cache-limit: 1
 
           - name: Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)
             cache-name: linux-editor-double-sanitizers
@@ -49,6 +50,7 @@ jobs:
             api-dump: true
             # Skip 2GiB artifact speeding up action.
             artifact: false
+            cache-limit: 7
 
           - name: Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)
             cache-name: linux-editor-llvm-sanitizers
@@ -61,6 +63,7 @@ jobs:
             artifact: false
             # Test our oldest supported SCons/Python versions on one arbitrary editor build.
             legacy-scons: true
+            cache-limit: 7
 
           - name: Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)
             cache-name: linux-editor-thread-sanitizer
@@ -71,6 +74,7 @@ jobs:
             build-mono: false
             # Skip 2GiB artifact speeding up action.
             artifact: false
+            cache-limit: 5
 
           - name: Template w/ Mono (target=template_release, tests=yes)
             cache-name: linux-template-mono
@@ -80,6 +84,7 @@ jobs:
             build-mono: false
             tests: true
             artifact: true
+            cache-limit: 1
 
           - name: Minimal template (target=template_release, tests=yes, everything disabled)
             cache-name: linux-template-minimal
@@ -88,6 +93,7 @@ jobs:
             bin: ./bin/godot.linuxbsd.template_release.x86_64
             tests: true
             artifact: true
+            cache-limit: 1
 
     steps:
       - name: Checkout
@@ -143,6 +149,7 @@ jobs:
           platform: linuxbsd
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: ${{ matrix.cache-limit }}
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save

.github/workflows/macos_builds.yml

@@ -25,6 +25,7 @@ jobs:
             target: editor
             tests: true
             bin: ./bin/godot.macos.editor.universal
+            cache-limit: 1
 
           - name: Template (target=template_release, tests=yes)
             cache-name: macos-template
@@ -32,6 +33,7 @@ jobs:
             tests: true
             sconsflags: debug_symbols=no
             bin: ./bin/godot.macos.template_release.universal
+            cache-limit: 1
 
     steps:
       - name: Checkout
@@ -59,6 +61,7 @@ jobs:
           platform: macos
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: 0 # Only cap on second run to avoid purging unnecessarily
 
       - name: Compilation (arm64)
         uses: ./.github/actions/godot-build
@@ -67,6 +70,7 @@ jobs:
           platform: macos
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: ${{ matrix.cache-limit }}
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save

.github/workflows/web_builds.yml

@@ -67,6 +67,7 @@ jobs:
           platform: web
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: 0.5
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save

.github/workflows/windows_builds.yml

@@ -31,6 +31,7 @@ jobs:
             sconsflags: debug_symbols=no vsproj=yes vsproj_gen_only=no windows_subsystem=console
             bin: ./bin/godot.windows.editor.x86_64.exe
             compiler: msvc
+            cache-limit: 2
 
           - name: Editor w/ clang-cl (target=editor, tests=yes, use_llvm=yes)
             cache-name: windows-editor-clang
@@ -39,6 +40,7 @@ jobs:
             sconsflags: debug_symbols=no windows_subsystem=console use_llvm=yes
             bin: ./bin/godot.windows.editor.x86_64.llvm.exe
             compiler: clang
+            cache-limit: 1
 
           - name: Template (target=template_release, tests=yes)
             cache-name: windows-template
@@ -47,6 +49,7 @@ jobs:
             sconsflags: debug_symbols=no
             bin: ./bin/godot.windows.template_release.x86_64.console.exe
             compiler: msvc
+            cache-limit: 2
 
           - name: Template w/ GCC (target=template_release, tests=yes, use_mingw=yes)
             cache-name: windows-template-gcc
@@ -56,6 +59,7 @@ jobs:
             sconsflags: debug_symbols=no use_mingw=yes
             bin: ./bin/godot.windows.template_release.x86_64.console.exe
             compiler: gcc
+            cache-limit: 1
 
     steps:
       - name: Checkout
@@ -101,6 +105,7 @@ jobs:
           platform: windows
           target: ${{ matrix.target }}
           tests: ${{ matrix.tests }}
+          scons-cache-limit: ${{ matrix.cache-limit }}
 
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save