ci: install rust with pinned version (#247)

PR installs rust in CI with pinned version

close #240

- [x] Does not require a CHANGELOG entry

.github/env

@@ -0,0 +1,2 @@
+RUST_STABLE_VERSION=1.76.0
+RUST_NIGHTLY_VERSION=2024-03-14

.github/workflows/clippy.yml

@@ -19,22 +19,21 @@ jobs:
       - name: Install updates and protobuf-compiler
         run: sudo apt update && sudo apt install --assume-yes cmake protobuf-compiler
 
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          components: clippy
-
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set rust version via common env file
+        run: cat .github/env >> $GITHUB_ENV
+
+      - name: Install nightly toolchain
+        run: rustup toolchain install "nightly-$RUST_NIGHTLY_VERSION" --profile minimal --component clippy
+
       - name: Fetch cache
         uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
         with:
           shared-key: "fellowship-cache-clippy"
 
       - name: Clippy
-        run: cargo +nightly clippy --all-targets --locked -q
+        run: cargo +nightly-$RUST_NIGHTLY_VERSION clippy --all-targets --locked -q
         env:
           SKIP_WASM_BUILD: 1

.github/workflows/fmt.yml

@@ -11,16 +11,14 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          components: rustfmt
-
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set rust version via common env file
+        run: cat .github/env >> $GITHUB_ENV
+
+      - name: Install nightly toolchain
+        run: rustup toolchain install "nightly-$RUST_NIGHTLY_VERSION" --profile minimal --component rustfmt
+
       - name: Rustfmt (check)
-        run: cargo +nightly fmt --all -- --check
+        run: cargo +nightly-$RUST_NIGHTLY_VERSION fmt --all -- --check

.github/workflows/test.yml

@@ -39,7 +39,7 @@ jobs:
           echo "itest=$TASKS" >> $GITHUB_OUTPUT
 
   runtime-test:
-    needs: [ runtime-matrix ]
+    needs: [runtime-matrix]
     continue-on-error: true
     runs-on: ubuntu-22.04
     strategy:
@@ -65,24 +65,19 @@ jobs:
           sudo rm -rf "$AGENT_TOOLSDIRECTORY"
           df -h
 
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          target: wasm32-unknown-unknown
-          components: rust-src
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          target: wasm32-unknown-unknown
-
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set rust version via common env file
+        run: cat .github/env >> $GITHUB_ENV
+
+      - name: Install stable toolchain
+        run: |
+          rustup install $RUST_STABLE_VERSION
+          rustup default $RUST_STABLE_VERSION
+          rustup target add wasm32-unknown-unknown
+          rustup component add rust-src
+
       - name: Fetch cache
         uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
         with:
@@ -100,7 +95,7 @@ jobs:
           SKIP_WASM_BUILD: 1
 
   integration-test:
-    needs: [ integration-test-matrix ]
+    needs: [integration-test-matrix]
     continue-on-error: true
     runs-on: ubuntu-22.04
     strategy:
@@ -126,24 +121,19 @@ jobs:
           sudo rm -rf "$AGENT_TOOLSDIRECTORY"
           df -h
 
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          target: wasm32-unknown-unknown
-          components: rust-src
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          target: wasm32-unknown-unknown
-
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set rust version via common env file
+        run: cat .github/env >> $GITHUB_ENV
+
+      - name: Install stable toolchain
+        run: |
+          rustup install $RUST_STABLE_VERSION
+          rustup default $RUST_STABLE_VERSION
+          rustup target add wasm32-unknown-unknown
+          rustup component add rust-src
+
       - name: Fetch cache
         uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
         with:
@@ -176,24 +166,19 @@ jobs:
           sudo rm -rf "$AGENT_TOOLSDIRECTORY"
           df -h
 
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          target: wasm32-unknown-unknown
-          components: rust-src
-
-      - name: Install nightly toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          target: wasm32-unknown-unknown
-
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set rust version via common env file
+        run: cat .github/env >> $GITHUB_ENV
+
+      - name: Install stable toolchain
+        run: |
+          rustup install $RUST_STABLE_VERSION
+          rustup default $RUST_STABLE_VERSION
+          rustup target add wasm32-unknown-unknown
+          rustup component add rust-src
+
       - name: Fetch cache
         uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
         with:
@@ -203,4 +188,4 @@ jobs:
         run: cargo test -p chain-spec-generator --release --locked -q --features=runtime-benchmarks
         env:
           RUSTFLAGS: "-C debug-assertions -D warnings"
-          SKIP_WASM_BUILD: 1
+          SKIP_WASM_BUILD: 1