Re-write CI

Re-write CI in a similar manner to what we did in `rust-bitcoin` recently. Some benefits: - The `contrib/run_task.sh` can be used from the command line. - GitHub action is dumber i.e., all the logic is in the shell script instead of spread between the action and the script. - The action yaml is [hopefully] a bit cleaner. Covearge is the same, three toolchains, linter, integration tests for various Core versions.
rust-bitcoin · Apr 29, 2024 · 7b21f8d · 7b21f8d
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diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
@@ -1,62 +1,89 @@
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - 'test-ci/**'
+  pull_request:
 
 name: Continuous integration
 
 jobs:
-    tests:
-        name: Tests
-        runs-on: ubuntu-latest
-        strategy:
-            matrix:
-                include:
-                    - rust: stable
-                      env:
-                          RUSTFMTCHK: true
-                    - rust: nightly
-                      env:
-                          RUSTFMTCHK: false
-                    - rust: 1.56.1
-                      env:
-                          RUSTFMTCHK: false
-        steps:
-            - name: Checkout Crate
-              uses: actions/checkout@v2
-            - name: Checkout Toolchain
-              uses: actions-rs/toolchain@v1
-              with:
-                  profile: minimal
-                  toolchain: ${{ matrix.rust }}
-                  override: true
-            - name: Running test script
-              env: ${{ matrix.env }}
-              run: ./contrib/test.sh
+  Stable:
+    name: Test - stable toolchain
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Select toolchain"
+        uses: dtolnay/rust-toolchain@stable
+      - name: "Run test script"
+        run: ./contrib/run_task.sh stable
 
-    integrations-tests:
-        name: Integration Tests
-        runs-on: ubuntu-latest
-        strategy:
-            matrix:
-                rust: [stable]
-                bitcoinversion:
-                    [
-                        "0.18.0",
-                        "0.18.1",
-                        "0.19.0.1",
-                        "0.19.1",
-                        "0.20.0",
-                        "0.20.1",
-                        "0.21.0",
-                    ]
-        steps:
-            - name: Checkout Crate
-              uses: actions/checkout@v2
-            - name: Checkout Toolchain
-              uses: actions-rs/toolchain@v1
-              with:
-                  profile: minimal
-                  toolchain: ${{ matrix.rust }}
-                  override: true
-            - name: Running test script
-              env:
-                  BITCOINVERSION: ${{ matrix.bitcoinversion }}
-              run: ./contrib/test.sh
+  Nightly:
+    name: Test - nightly toolchain
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Select toolchain"
+        uses: dtolnay/rust-toolchain@nightly
+      - name: "Run test script"
+        run: ./contrib/run_task.sh nightly
+
+  MSRV:
+    name: Test - 1.56.1 toolchain
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Select toolchain"
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "1.56.1"
+      - name: "Run test script"
+        run: ./contrib/run_task.sh msrv
+
+  Lint:
+    name: Lint - nightly toolchain
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Select toolchain"
+        uses: dtolnay/rust-toolchain@nightly
+      - name: Install clippy
+        run: rustup component add clippy
+      - name: "Run test script"
+        run: ./contrib/run_task.sh lint
+
+  Integration:
+    name: Integration Tests - stable toolchain
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        bitcoin_version:
+          [
+            "0.18.0",
+            "0.18.1",
+            "0.19.0.1",
+            "0.19.1",
+            "0.20.0",
+            "0.20.1",
+            "0.21.0",
+          ]
+    steps:
+      - name: "Checkout repo"
+        uses: actions/checkout@v4
+      - name: "Select toolchain"
+        uses: dtolnay/rust-toolchain@stable
+      - name: Running test script
+        run: ./contrib/run_task.sh integration ${{ matrix.bitcoin_version }}
diff --git a/contrib/run_task.sh b/contrib/run_task.sh
@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+#
+# Run CI task, called by the `rust.yml` GitHub action.
+
+set -euox pipefail
+
+REPO_DIR=$(git rev-parse --show-toplevel)
+MSRV="1.56.1"
+
+usage() {
+    cat <<EOF
+Usage: 
+
+    ./run_task.sh TASK
+
+TASK
+  - stable	    Run stable toolchain tests
+  - nightly    	    Run nightly toolchain tests
+  - msrv            Run MSRV toolchain tests
+  - lint            Run clippy
+  - integration     Run integration test for specific Bitcoin Core version.
+
+    ./run_task.sh integration BITCOIN_CORE_VERSION [DOWNLOAD_CORE]
+
+Example
+    ./run_task.sh integration          # Runs integration tests against bitcoind from your path.
+    ./run_task.sh integration 0.21.0   # Downloads Core version 0.21.0 and runs integration tests againts it. 
+
+EOF
+}
+
+# Make all cargo invocations verbose.
+export CARGO_TERM_VERBOSE=true
+
+main() {
+    local task="$1"
+    local bitcoin_version="${2:-none}"
+
+    check_required_commands
+
+    cargo --version
+    rustc --version
+    /usr/bin/env bash --version
+    locale
+    env
+
+    case $task in
+	stable)
+            build_and_test "+stable"
+            ;;
+
+	nightly)
+            build_and_test "+nightly"
+            ;;
+
+	msrv)
+            build_and_test "+$MSRV"
+            ;;
+
+        lint)
+            do_lint
+            ;;
+
+        integration)
+            integration "$bitcoin_version"
+            ;;
+
+        *)
+            err "Error: unknown task $task"
+            ;;
+    esac
+}
+
+# Build and test workspace.
+build_and_test() {
+    local toolchain="$1"
+
+    cargo "$toolchain" build --workspace
+    cargo "$toolchain" test --workspace
+}
+
+# Lint the workspace.
+do_lint() {
+    cargo +nightly clippy --workspace --all-targets --keep-going -- -D warnings
+}
+
+# Pulls down Bitcoin Core binary and runs the integration tests.
+integration() {
+    local core_version="$1"
+
+    cd "$REPO_DIR"
+
+    if [ "$core_version" != "none" ]; then
+        wget "https://bitcoincore.org/bin/bitcoin-core-$bitcoin_version/bitcoin-$bitcoin_version-x86_64-linux-gnu.tar.gz"
+        tar -xzvf "bitcoin-$bitcoin_version-x86_64-linux-gnu.tar.gz"
+        export PATH=$PATH:"$REPO_DIR/bitcoin-$bitcoin_version/bin"
+    fi
+
+    need_cmd "bitcoind"
+
+    cd "$REPO_DIR/integration_test"
+    ./run.sh
+}
+
+# Check all the commands we use are present in the current environment.
+check_required_commands() {
+    need_cmd cargo
+    need_cmd rustc
+}
+
+need_cmd() {
+    if ! command -v "$1" > /dev/null 2>&1
+    then err "need '$1' (command not found)"
+    fi
+}
+
+err() {
+    echo "$1" >&2
+    exit 1
+}
+
+#
+# Main script
+#
+main "$@"
+exit 0
diff --git a/contrib/test.sh b/contrib/test.sh