Add caching action to shrink CI times (#698)

2 files changed, 54 insertions, 35 deletions

diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
new file mode 100644
index 0000000..c2d9be5
--- /dev/null
+++ b/.github/actions/setup/action.yml
@@ -0,0 +1,35 @@
+name: Setup Rust Environment
+
+inputs:
+  key:
+    description: Cache key
+    required: true
+  toolchain:
+    description: Pass-through to toolchain on actions-rs
+    default: stable
+    required: false
+  components:
+    description: Pass-through to components on actions-rs
+    required: false
+
+runs:
+  using: composite
+  steps:
+    - uses: actions-rs/toolchain@v1
+      id: toolchain-install
+      with:
+        profile: minimal
+        override: true
+        toolchain: ${{ inputs.toolchain }}
+        components: ${{ inputs.components }}  
+    - uses: actions/cache@v3
+      with:
+        path: |
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ inputs.key }}-${{ runner.os }}-${{ inputs.toolchain }}-${{ steps.toolchain-install.outputs.rustc_hash }}-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
+        restore-keys: |
+          ${{ inputs.key }}-${{ runner.os }}-${{ inputs.toolchain }}-${{ steps.toolchain-install.outputs.rustc_hash }}-
+          ${{ inputs.key }}-${{ runner.os }}-${{ inputs.toolchain }}-
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 6e4e4bc..1cad005 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -23,11 +23,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
-          override: true
+          key: test-${{ matrix.os }}-${{ matrix.rust }}
       - uses: actions-rs/cargo@v1
         with:
           command: build
@@ -40,11 +39,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: actix-web
+          components: clippy
       - run: cargo test --package askama_actix --all-targets
       - run: cargo clippy --package askama_actix --all-targets -- -D warnings
 
@@ -52,11 +50,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: axum
           components: clippy
       - run: cargo test --package askama_axum --all-targets
       - run: cargo clippy --package askama_axum --all-targets -- -D warnings
@@ -65,11 +61,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: gotham
           components: clippy
       - run: cargo test --package askama_gotham --all-targets
       - run: cargo clippy --package askama_gotham --all-targets -- -D warnings
@@ -78,11 +72,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: rocket
           components: clippy
       - run: cargo test --package askama_rocket --all-targets
       - run: cargo clippy --package askama_rocket --all-targets -- -D warnings
@@ -91,11 +83,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: warp
           components: clippy
       - run: cargo test --package askama_warp --all-targets
       - run: cargo clippy --package askama_warp --all-targets -- -D warnings
@@ -104,11 +94,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: tide
           components: clippy
       - run: cargo test --package askama_tide --all-targets
       - run: cargo clippy --package askama_tide --all-targets -- -D warnings
@@ -117,11 +105,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: mendes
           components: clippy
       - run: cargo test --package askama_mendes --all-targets
       - run: cargo clippy --package askama_mendes --all-targets -- -D warnings
@@ -130,11 +116,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: ./.github/actions/setup
         with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          key: lint
           components: rustfmt, clippy
       - run: cargo fmt --all -- --check
       - run: cargo clippy --all-targets -- -D warnings