Enhance CI workflow: Add caching for Rust toolchain, Cargo registry, and target directories across jobs

Author: stevefan1999-personal

.github/workflows/rustls-rustcrypto.yml

@@ -5,7 +5,7 @@ on:
     paths-ignore:
       - README.md
   push:
-    branches: master
+    branches: [master]
     paths-ignore:
       - README.md
 
@@ -15,31 +15,85 @@ permissions:
 env:
   CARGO_INCREMENTAL: 0
   RUSTFLAGS: "-Dwarnings"
+  CARGO_HOME: ${{ github.workspace }}/.cargo
+  CARGO_TARGET_DIR: ${{ github.workspace }}/target
 
 jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-1.88.0-clippy
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-1.88.0
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.88.0
           components: clippy
+      - name: Cache Cargo registry and index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ runner.os }}-
       - run: cargo clippy --all --all-features -- -D warnings
 
   doc:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-stable-doc
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-stable
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
+      - name: Cache Cargo registry and index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ runner.os }}-
+      - name: Cache target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: cargo-doc-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-doc-${{ runner.os }}-
       - run: cargo doc --all-features --no-deps
 
   rustfmt:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-stable-rustfmt
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-stable
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
@@ -57,14 +111,43 @@ jobs:
           - armv7a-none-eabi
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
+          - xtensa-esp32-none-elf
+          - xtensa-esp32s2-none-elf
+          - xtensa-esp32s3-none-elf
+          - riscv32imc-unknown-none-elf
     steps:
       - uses: actions/checkout@v4
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-${{ matrix.rust }}-${{ matrix.target }}
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-${{ matrix.rust }}
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
+      - name: Cache Cargo registry and index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ runner.os }}-
+      - name: Cache target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: cargo-nostd-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-nostd-${{ runner.os }}-${{ matrix.target }}-
       - run: cargo build --no-default-features --features tls12,full,alloc --release --target ${{ matrix.target }}
-        env: 
+        env:
           RUSTFLAGS: --cfg getrandom_backend="custom"
   test:
     strategy:
@@ -75,10 +158,34 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: RustCrypto/actions/cargo-cache@master
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-${{ matrix.toolchain }}-test
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-${{ matrix.toolchain }}
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
+      - name: Cache Cargo registry and index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ runner.os }}-
+      - name: Cache target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: cargo-test-${{ runner.os }}-${{ matrix.toolchain }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-test-${{ runner.os }}-${{ matrix.toolchain }}-
       - run: cargo test --features tls12
       - name: Test no_std with alloc
         run: cargo test --no-default-features --features tls12,full,alloc
@@ -94,10 +201,35 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Cache Rust toolchain
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.rustup/toolchains
+            ~/.rustup/downloads
+          key: rust-toolchain-${{ runner.os }}-${{ matrix.rust }}-${{ matrix.target }}
+          restore-keys: |
+            rust-toolchain-${{ runner.os }}-${{ matrix.rust }}
       - run: ${{ matrix.deps }}
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
       - uses: RustCrypto/actions/cross-install@master
-      - run: cross test --release --target ${{ matrix.target }} --all-features
+      - name: Cache Cargo registry and index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-${{ runner.os }}-
+      - name: Cache target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: cargo-cross-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-cross-${{ runner.os }}-${{ matrix.target }}-
+      - run: cross test --release --target ${{ matrix.target }} --all-features