add caching

Author: Takashiidobe

.github/workflows/build.yml

@@ -362,6 +362,14 @@ jobs:
     steps:
     - name: Checkout source code
       uses: actions/checkout@v2
+    - name: Cache
+      uses: actions/cache@v2
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ matrix.job.target }}-${{ matrix.job.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Install prerequisites
       shell: bash
@@ -419,31 +427,6 @@ jobs:
           *-pc-windows-*) EXE_suffix=".exe" ;;
         esac;
 
-        # Figure out what strip tool to use if any
-        # STRIP="strip"
-        # case ${{ matrix.job.target }} in
-        #   arm-unknown-linux-*) STRIP="arm-linux-gnueabihf-strip" ;;
-        #   aarch64-pc-*) STRIP="" ;;
-        #   aarch64-unknown-*) STRIP="" ;;
-        #   armv7-unknown-*) STRIP="" ;;
-        #   mips-unknown-*) STRIP="" ;;
-        #   mips64-unknown-*) STRIP="" ;;
-        #   mips64el-unknown-*) STRIP="" ;;
-        #   mipsel-unknown-*) STRIP="" ;;
-        #   powerpc-unknown-*) STRIP="" ;;
-        #   powerpc64-unknown-*) STRIP="" ;;
-        #   powerpc64le-unknown-*) STRIP="" ;;
-        #   riscv64gc-unknown-*) STRIP="" ;;
-        #   s390x-unknown-*) STRIP="" ;;
-        #   x86_64-unknown-freebsd) STRIP="" ;;
-        #   x86_64-unknown-illumos) STRIP="" ;;
-        #   aarch64-linux-android) STRIP="" ;;
-        #   arm-linux-androideabi) STRIP="" ;;
-        #   armv5te-unknown-linux-gnueabi) STRIP="" ;;
-        #   armv5te-unknown-linux-musleabi) STRIP="" ;;
-        #   armv7-linux-androideabi) STRIP="" ;;
-        # esac;
-
         # Setup paths
         BIN_DIR="${{ env.CICD_INTERMEDIATES_DIR }}/stripped-release-bin/"
         mkdir -p "${BIN_DIR}"
@@ -454,11 +437,6 @@ jobs:
         # Copy the release build binary to the result location
         cp "target/$TRIPLET_NAME/release/${BIN_NAME}" "${BIN_DIR}"
 
-        # Also strip if possible
-        # if [ -n "${STRIP}" ]; then
-        #   "${STRIP}" "${BIN_PATH}"
-        # fi
-
         # Let subsequent steps know where to find the (stripped) bin
         echo ::set-output name=BIN_PATH::${BIN_PATH}
         echo ::set-output name=BIN_NAME::${BIN_NAME}