using sccache to share built dependencies across different workspaces.

.github/workflows/ci_integration_tests_ubuntu.yaml

@@ -19,6 +19,8 @@ env:
   LOGBAK_USER: ${{secrets.LOGBAK_USER}}  #LOCBAK_* for upload logs to server when test failed
   LOGBAK_PASSWORD: ${{secrets.LOGBAK_PASSWORD}}
   LOGBAK_SERVER: ${{secrets.LOGBAK_SERVER}}
+  RUSTC_WRAPPER: sccache
+  SCCACHE_CACHE_SIZE: 2G
 jobs:
   prologue:
     name: prologue
@@ -46,8 +48,37 @@ jobs:
     timeout-minutes: 70
     runs-on: ${{ needs.prologue.outputs.linux_runner_label }}
     steps:
+    - name: Install sccache (ubuntu-latest)
+      env:
+        LINK: https://github.com/mozilla/sccache/releases/download
+        SCCACHE_VERSION: 0.2.13
+      run: |
+          SCCACHE_FILE=sccache-$SCCACHE_VERSION-x86_64-unknown-linux-musl
+          mkdir -p $HOME/.local/bin
+          curl -L "$LINK/$SCCACHE_VERSION/$SCCACHE_FILE.tar.gz" | tar xz
+          mv -f $SCCACHE_FILE/sccache $HOME/.local/bin/sccache
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+    - name: Cache cargo registry
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+            ${{ runner.os }}-cargo-
+    - name: Save sccache
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: ~/.cache/sccache
+        key: ${{ runner.os }}-sccache-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+            ${{ runner.os }}-sccache-
     - uses: actions/checkout@v2
     - run: |
+        ls -al ~/.cache/sccache
         if [[ ${{ needs.prologue.outputs.os_skip }} == run ]] && [[ ${{ needs.prologue.outputs.job_skip }} == run ]];then
             devtools/ci/ci_main.sh
         else

.github/workflows/ci_linters_macos.yaml

@@ -16,6 +16,8 @@ env:
   CARGO_TERM_COLOR: always
   RUST_BACKTRACE: full
   RUSTFLAGS: -D warnings
+  RUSTC_WRAPPER: sccache
+  SCCACHE_CACHE_SIZE: 2G
 jobs:
   prologue:
     name: prologue
@@ -40,10 +42,35 @@ jobs:
   ci_linters_macos:
     name: ci_linters_macos
     needs: prologue
-    runs-on: macos-11
+    runs-on: macos-latest
     steps:
+    - name: Install sccache (macos-latest)
+      run: |
+        brew upgrade
+        brew update
+        brew install sccache
+    - name: Cache cargo registry
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+            ${{ runner.os }}-cargo-
+    - name: Save sccache
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: /Users/runner/Library/Caches/Mozilla.sccache
+        key: ${{ runner.os }}-sccache-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-sccache-
     - uses: actions/checkout@v2
     - run: |
+        cargo --help
+        ls -al /Users/runner/Library/Caches/Mozilla.sccache
         brew install grep gnu-sed
         if [[ ${{ needs.prologue.outputs.os_skip }} == run ]] && [[ ${{ needs.prologue.outputs.job_skip }} == run ]];then
             devtools/ci/ci_main.sh

.github/workflows/ci_linters_ubuntu.yaml

@@ -16,6 +16,8 @@ env:
   CARGO_TERM_COLOR: always
   RUST_BACKTRACE: full
   RUSTFLAGS: -D warnings
+  RUSTC_WRAPPER: sccache
+  SCCACHE_CACHE_SIZE: 2G
 jobs:
   prologue:
     name: prologue
@@ -43,7 +45,36 @@ jobs:
     runs-on: ${{ needs.prologue.outputs.linux_runner_label }}
     steps:
     - uses: actions/checkout@v2
+    - name: Install sccache (ubuntu-latest)
+      env:
+        LINK: https://github.com/mozilla/sccache/releases/download
+        SCCACHE_VERSION: 0.2.13
+      run: |
+          SCCACHE_FILE=sccache-$SCCACHE_VERSION-x86_64-unknown-linux-musl
+          mkdir -p $HOME/.local/bin
+          curl -L "$LINK/$SCCACHE_VERSION/$SCCACHE_FILE.tar.gz" | tar xz
+          mv -f $SCCACHE_FILE/sccache $HOME/.local/bin/sccache
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
+    - name: Cache cargo registry
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+            ${{ runner.os }}-cargo-
+    - name: Save sccache
+      uses: actions/cache@v2
+      continue-on-error: false
+      with:
+        path: ~/.cache/sccache
+        key: ${{ runner.os }}-sccache-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+            ${{ runner.os }}-sccache-
     - run: |
+        cargo --help
         if [[ ${{ needs.prologue.outputs.os_skip }} == run ]] && [[ ${{ needs.prologue.outputs.job_skip }} == run ]];then
             devtools/ci/ci_main.sh
         else

.github/workflows/ci_unit_tests_windows.yaml

@@ -52,6 +52,7 @@ jobs:
         scoop install git
         scoop bucket add extras
         scoop install llvm yasm
+        scoop install sccache
     - run: |
         if [[ ${{ needs.prologue.outputs.os_skip }} == run ]] && [[ ${{ needs.prologue.outputs.job_skip }} == run ]];then
             devtools/ci/ci_main.sh