Meta: Make the jakt toolchain cache actually work

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

@@ -35,6 +35,10 @@ inputs:
     description: 'Path to the download cache directory'
     required: false
     default: 'caches'
+  jakt_toolchain_cache_path:
+    description: 'Path to the prebuilt jakt toolchain cache'
+    required: false
+    default: ''
 
 outputs:
   serenity_ccache_primary_key:
@@ -103,8 +107,8 @@ runs:
       uses: actions/cache/restore@v4
       id: 'jakt-prebuilt'
       with:
-        path: ${{ github.workspace }}/Toolchain/Local/jakt
-        key: toolchain-${{ runner.os }}"-jakt-toolchain-${{ matrix.arch }}-${{ steps.toolchain-stamps.outputs.toolchain_stamp }}"
+        path: ${{ inputs.jakt_toolchain_cache_path }}
+        key: toolchain-${{ runner.os }}-jakt-toolchain-${{ matrix.arch }}-${{ steps.toolchain-stamps.outputs.toolchain_stamp }}
 
     - name: 'Toolchain Compiler Cache'
       uses: actions/cache/restore@v4

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

@@ -43,6 +43,10 @@ inputs:
     description: 'Whether the jakt prebuilt cache was hit'
     required: false
     default: false
+  jakt_prebuilt_path:
+    description: 'Path to the prebuilt jakt toolchain'
+    required: false
+    default: ''
 
 runs:
   using: "composite"

.github/workflows/lagom-template.yml

@@ -57,6 +57,7 @@ jobs:
           cache_key_extra: ${{ inputs.fuzzer }}
           serenity_ccache_path: ${{ env.CCACHE_DIR }}
           download_cache_path: ${{ github.workspace }}/Build/caches
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       - name: Assign Build Parameters
         id: 'build-parameters'
@@ -151,6 +152,7 @@ jobs:
           serenity_ccache_primary_key: ${{ steps.cache-restore.outputs.serenity_ccache_primary_key }}
           jakt_prebuilt_primary_key: ${{ steps.cache-restore.outputs.jakt_prebuilt_primary_key }}
           jakt_prebuilt_hit: ${{ steps.cache-restore.outputs.jakt_prebuilt_hit }}
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       # === TEST ===
 

.github/workflows/serenity-template.yml

@@ -66,6 +66,7 @@ jobs:
           serenity_ccache_path: ${{ env.SERENITY_CCACHE_DIR }}
           toolchain_ccache_path: ${{ env.TOOLCHAIN_CCACHE_DIR }}
           download_cache_path: ${{ github.workspace }}/Build/caches
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       - name: Assign Build Parameters
         id: 'build-parameters'
@@ -148,6 +149,7 @@ jobs:
           toolchain_prebuilt_hit: ${{ steps.cache-restore.outputs.toolchain_prebuilt_hit }}
           jakt_prebuilt_primary_key: ${{ steps.cache-restore.outputs.jakt_prebuilt_primary_key }}
           jakt_prebuilt_hit: ${{ steps.cache-restore.outputs.jakt_prebuilt_hit }}
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       # === TEST ===
 

.github/workflows/wasm.yml

@@ -44,6 +44,7 @@ jobs:
           cache_key_extra: 'WASM'
           serenity_ccache_path: ${{ env.SERENITY_CCACHE_DIR }}
           download_cache_path: ${{ github.workspace }}/Build/caches
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       - name: "Build host lagom tools"
         run: |
@@ -84,6 +85,9 @@ jobs:
           arch: 'Lagom'
           serenity_ccache_path: ${{ env.SERENITY_CCACHE_DIR }}
           serenity_ccache_primary_key: ${{ steps.cache-restore.outputs.serenity_ccache_primary_key }}
+          jakt_prebuilt_primary_key: ${{ steps.cache-restore.outputs.jakt_prebuilt_primary_key }}
+          jakt_prebuilt_hit: ${{ steps.cache-restore.outputs.jakt_prebuilt_hit }}
+          jakt_toolchain_cache_path: ${{ github.workspace }}/Toolchain/Local/jakt
 
       - name: "Prepare files"
         run: |