ci: init (#21)

* init ci

* add components to nightly channel

* bump h2 to 0.4.4

.github/scripts/cargo-audit.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -e
+
+repo_root=$(git rev-parse --show-toplevel)
+
+# shellcheck disable=SC1091
+source "$repo_root/.github/scripts/rust-version.sh" stable >/dev/null
+
+cargo +"$rust_stable" audit

.github/scripts/cargo-clippy.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+repo_root=$(git rev-parse --show-toplevel)
+
+# shellcheck disable=SC1091
+source "$repo_root/.github/scripts/rust-version.sh" nightly >/dev/null
+
+rustup component add clippy --toolchain="$rust_nightly"
+cargo +"$rust_nightly" clippy

.github/scripts/cargo-fmt.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+repo_root=$(git rev-parse --show-toplevel)
+
+# shellcheck disable=SC1091
+source "$repo_root/.github/scripts/rust-version.sh" nightly >/dev/null
+
+rustup component add rustfmt --toolchain="$rust_nightly"
+cargo +"$rust_nightly" fmt --all

.github/scripts/cargo-test.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -e
+
+repo_root=$(git rev-parse --show-toplevel)
+
+# shellcheck disable=SC1091
+source "$repo_root/.github/scripts/rust-version.sh" stable >/dev/null
+
+cargo +"$rust_stable" test

scripts/read-cargo-variable.sh → .github/scripts/read-cargo-variable.sh

@@ -1,4 +1,4 @@
-# source this file
+#!/usr/bin/env bash
 
 readCargoVariable() {
   declare variable="$1"

.github/scripts/rust-version.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+# This file maintains the rust versions for use by CI.
+#
+# Obtain the environment variables without any automatic toolchain updating:
+#   $ source <path>/rust-version.sh
+#
+# Obtain the environment variables updating both stable and nightly, only stable, or
+# only nightly:
+#   $ source <path>/rust-version.sh all
+#   $ source <path>/rust-version.sh stable
+#   $ source <path>/rust-version.sh nightly
+
+# Then to build with either stable or nightly:
+#   $ cargo +"$rust_stable" build
+#   $ cargo +"$rust_nightly" build
+
+repo_root=$(git rev-parse --show-toplevel)
+
+# stable version
+if [[ -n $RUST_STABLE_VERSION ]]; then
+  stable_version="$RUST_STABLE_VERSION"
+else
+  # shellcheck disable=SC1090,SC1091
+  source "$repo_root/.github/scripts/read-cargo-variable.sh"
+  stable_version=$(readCargoVariable channel "$repo_root/rust-toolchain.toml")
+fi
+
+# nightly version
+if [[ -n $RUST_NIGHTLY_VERSION ]]; then
+  nightly_version="$RUST_NIGHTLY_VERSION"
+else
+  nightly_version=2024-01-05
+fi
+
+export rust_stable="$stable_version"
+export rust_nightly=nightly-"$nightly_version"
+
+if [ $# -ne 1 ]; then
+  echo "Usage: $0 [all|stable|nightly]"
+  exit 1
+fi
+
+case $1 in
+all)
+  toolchains=("$rust_stable" "$rust_nightly")
+  ;;
+stable)
+  toolchains=("$rust_stable")
+  ;;
+nightly)
+  toolchains=("$rust_nightly")
+  ;;
+*)
+  echo "Usage: $0 [all|stable|nightly]"
+  exit 1
+  ;;
+esac
+
+for toolchain in "${toolchains[@]}"; do
+  if ! cargo +"$toolchain" -V >/dev/null; then
+    echo "$0: installing $toolchain"
+    rustup install "$toolchain"
+    cargo +"$toolchain" -V
+  else
+    echo "$0: $toolchain has already installed."
+  fi
+done

.github/workflows/audit.yml

@@ -0,0 +1,26 @@
+name: Audit
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+    paths:
+      - .github/**
+      - "**/Cargo.toml"
+      - "**/Cargo.lock"
+  schedule:
+    - cron: "0 4 * * *"
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v4
+
+      - name: "Audit"
+        run: |
+          .github/scripts/cargo-audit.sh

.github/workflows/rust.yml

@@ -0,0 +1,27 @@
+name: Rust
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v4
+
+      - name: "Fmt"
+        run: |
+          .github/scripts/cargo-fmt.sh
+
+      - name: "Clippy"
+        run: |
+          .github/scripts/cargo-clippy.sh
+
+      - name: "Test"
+        run: |
+          .github/scripts/cargo-test.sh