Speed up CI: add sccache compilation cache

Author: mikemaccana-edwardbot

.github/workflows/anchor.yml

@@ -117,6 +117,12 @@ jobs:
       failed_projects: ${{ steps.set-failed.outputs.failed_projects }}
     steps:
       - uses: actions/checkout@v5
+      - name: Setup sccache
+        uses: mozilla-actions/sccache-action@v0.0.9
+      - name: Configure sccache
+        run: |
+          echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
       - name: Cache Cargo registry and git
         uses: actions/cache@v4
         with:
@@ -244,6 +250,9 @@ jobs:
           # Prepare failed projects list for output
           failed_projects=$(cat $GITHUB_WORKSPACE/failed_projects.txt | jq -R -s -c 'split("\n")[:-1]')
           echo "failed_projects=$failed_projects" >> $GITHUB_OUTPUT
+      - name: Show sccache stats
+        if: always()
+        run: sccache --show-stats
 
   summary:
     needs: [changes, build-and-test]

.github/workflows/native.yml

@@ -116,6 +116,12 @@ jobs:
       failed_projects: ${{ steps.set-failed.outputs.failed_projects }}
     steps:
       - uses: actions/checkout@v5
+      - name: Setup sccache
+        uses: mozilla-actions/sccache-action@v0.0.9
+      - name: Configure sccache
+        run: |
+          echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
       - name: Cache Cargo registry and git
         uses: actions/cache@v4
         with:
@@ -247,6 +253,9 @@ jobs:
           else
             echo "failed_projects=[]" >> $GITHUB_OUTPUT
           fi
+      - name: Show sccache stats
+        if: always()
+        run: sccache --show-stats
 
   summary:
     needs: [changes, build-and-test]
@@ -291,3 +300,7 @@ jobs:
           else
             echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
           fi
+> $GITHUB_STEP_SUMMARY
+          else
+            echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
+          fi

.github/workflows/pinocchio.yml

@@ -116,6 +116,12 @@ jobs:
       failed_projects: ${{ steps.set-failed.outputs.failed_projects }}
     steps:
       - uses: actions/checkout@v5
+      - name: Setup sccache
+        uses: mozilla-actions/sccache-action@v0.0.9
+      - name: Configure sccache
+        run: |
+          echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
       - name: Cache Cargo registry and git
         uses: actions/cache@v4
         with:
@@ -247,6 +253,9 @@ jobs:
           else
             echo "failed_projects=[]" >> $GITHUB_OUTPUT
           fi
+      - name: Show sccache stats
+        if: always()
+        run: sccache --show-stats
 
   summary:
     needs: [changes, build-and-test]
@@ -291,3 +300,7 @@ jobs:
           else
             echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
           fi
+> $GITHUB_STEP_SUMMARY
+          else
+            echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
+          fi

.github/workflows/quasar.yml

@@ -118,6 +118,12 @@ jobs:
       failed_projects: ${{ steps.set-failed.outputs.failed_projects }}
     steps:
       - uses: actions/checkout@v5
+      - name: Setup sccache
+        uses: mozilla-actions/sccache-action@v0.0.9
+      - name: Configure sccache
+        run: |
+          echo "SCCACHE_GHA_ENABLED=true" >> $GITHUB_ENV
+          echo "RUSTC_WRAPPER=sccache" >> $GITHUB_ENV
       - name: Cache Cargo registry and git
         uses: actions/cache@v4
         with:
@@ -210,6 +216,9 @@ jobs:
           else
             echo "failed_projects=[]" >> $GITHUB_OUTPUT
           fi
+      - name: Show sccache stats
+        if: always()
+        run: sccache --show-stats
 
   summary:
     needs: [changes, build-and-test]
@@ -254,3 +263,7 @@ jobs:
           else
             echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
           fi
+> $GITHUB_STEP_SUMMARY
+          else
+            echo "## :warning: Build and test job was skipped or canceled" >> $GITHUB_STEP_SUMMARY
+          fi