feat: add 'use-sccache' input to build workflows for improved caching options

.github/workflows/build.yml

@@ -38,6 +38,11 @@ on:
         required: true
         default: 'release'
         type: 'string'
+      use-sccache:
+        description: 'Use sccache'
+        required: true
+        type: 'boolean'
+        default: false
 
 jobs:
   debug-inputs:
@@ -282,6 +287,7 @@ jobs:
       contents: write
     secrets: inherit
     with:
+      use-sccache: ${{ inputs.use-sccache }}
       build-version: ${{ needs.build-data.outputs.version }}
       generate-gpo: true
       profile-data-path-archive: zen-windows-profile-data-and-jarlog.zip
@@ -312,6 +318,7 @@ jobs:
       generate-gpo: false
       release-branch: ${{ inputs.update_branch }}
       MOZ_BUILD_DATE: ${{needs.buildid.outputs.buildids}}
+      use-sccache: ${{ inputs.use-sccache }}
 
   linux:
     name: Linux build
@@ -324,6 +331,7 @@ jobs:
       build-version: ${{ needs.build-data.outputs.version }}
       release-branch: ${{ inputs.update_branch }}
       MOZ_BUILD_DATE: ${{needs.buildid.outputs.buildids}}
+      use-sccache: ${{ inputs.use-sccache }}
 
   mac:
     name: macOS build
@@ -336,6 +344,7 @@ jobs:
       build-version: ${{ needs.build-data.outputs.version }}
       release-branch: ${{ inputs.update_branch }}
       MOZ_BUILD_DATE: ${{needs.buildid.outputs.buildids}}
+      use-sccache: ${{ inputs.use-sccache }}
 
   mac-uni:
     name: macOS build (Universal)

.github/workflows/linux-release-build.yml

@@ -15,6 +15,11 @@ on:
         type: string
         required: true
         default: ''
+      use-sccache:
+        description: 'Use sccache'
+        required: true
+        type: boolean
+        default: false
 
 jobs:
   build-linux:
@@ -27,9 +32,9 @@ jobs:
       matrix:
         arch: [x86_64, aarch64]
     env:
-      SCCACHE_GHA_ENABLED: 'true'
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
       CARGO_TERM_COLOR: always
-      RUSTC_WRAPPER: 'sccache'
+      RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
     name: Build Linux - ${{ matrix.arch }}
 
@@ -56,6 +61,7 @@ jobs:
 
       - name: Run sccache-cache
         uses: mozilla-actions/sccache-action@main
+        if: ${{ inputs.use-sccache }}
         with:
           disable_annotations: true
 

.github/workflows/macos-release-build.yml

@@ -15,6 +15,11 @@ on:
         type: string
         required: true
         default: ''
+      use-sccache:
+        description: 'Use sccache'
+        required: true
+        type: boolean
+        default: false
 
 jobs:
   mac-build:
@@ -26,9 +31,9 @@ jobs:
       matrix:
         arch: [x86_64, aarch64]
     env:
-      SCCACHE_GHA_ENABLED: 'true'
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
       CARGO_TERM_COLOR: always
-      RUSTC_WRAPPER: 'sccache'
+      RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
     steps:
       - name: Checkout repository
@@ -44,6 +49,7 @@ jobs:
 
       - name: Run sccache-cache
         uses: mozilla-actions/sccache-action@main
+        if: ${{ inputs.use-sccache }}
         with:
           disable_annotations: true
 

.github/workflows/twilight-release-schedule.yml

@@ -10,6 +10,11 @@ on:
         required: false
         type: boolean
         default: true
+      use-sccache:
+        description: 'Use sccache'
+        required: false
+        type: boolean
+        default: true
 
 jobs:
   twilight-release-schedule:
@@ -20,6 +25,7 @@ jobs:
     with:
       create_release: ${{ github.event_name != 'workflow_dispatch' && true || inputs.create_release }}
       update_branch: twilight
+      use-sccache: ${{ github.event_name != 'workflow_dispatch' && false || inputs.use-sccache }}
       update_version: false
 
   post-build:

.github/workflows/windows-release-build.yml

@@ -22,6 +22,11 @@ on:
         type: string
         required: true
         default: ''
+      use-sccache:
+        description: 'Use sccache'
+        required: true
+        type: boolean
+        default: false
 
 jobs:
   windows-build:
@@ -29,9 +34,9 @@ jobs:
     # aarch64 does not need full 16x, and we also dont use full LTO when generating GPO
     runs-on: ${{ (inputs.release-branch == 'release' && !inputs.generate-gpo && matrix.arch == 'x86_64') && 'self-hosted' || 'ubuntu-latest' }}
     env:
-      SCCACHE_GHA_ENABLED: 'true'
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
       CARGO_TERM_COLOR: always
-      RUSTC_WRAPPER: 'sccache'
+      RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
     strategy:
       fail-fast: false
@@ -62,6 +67,7 @@ jobs:
 
       - name: Run sccache-cache
         uses: mozilla-actions/sccache-action@main
+        if: ${{ inputs.use-sccache }}
         with:
           disable_annotations: true