Create Cargo workspace (#3)

A new Cargo workspace with a single library crate has been created. The
crate has not been touched yet, but a Rust workflow was added to lint,
format, and test the code on GitHub Actions.

Author: jdno

.github/workflows/rust.yml

@@ -0,0 +1,115 @@
+---
+name: Rust
+
+"on":
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_PROFILE_TEST_DEBUG: 0
+
+jobs:
+  detect-changes:
+    name: Detect changes
+    runs-on: ubuntu-latest
+
+    outputs:
+      any_changed: ${{ steps.detect-changes.outputs.any_changed }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Get changed files
+        id: detect-changes
+        uses: tj-actions/changed-files@v35
+        with:
+          files: |
+            **/*.rs
+            **/*.toml
+
+      - name: Print changed files
+        run: |
+          for file in ${{ steps.changed-files-specific.outputs.all_changed_files }}; do
+            echo "$file"
+          done
+
+  lint:
+    name: Lint code
+    runs-on: ubuntu-latest
+
+    needs: detect-changes
+    if: needs.detect-changes.outputs.any_changed == 'true'
+
+    container:
+      image: ghcr.io/jdno/rust:main
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Cache build artifacts
+        uses: swatinem/[email protected]
+
+      - name: Run Clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+  style:
+    name: Check style
+    runs-on: ubuntu-latest
+
+    needs: detect-changes
+    if: needs.detect-changes.outputs.any_changed == 'true'
+
+    container:
+      image: ghcr.io/jdno/rust:main
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run Rustfmt
+        run: cargo fmt --all -- --check
+
+  test:
+    name: Run tests
+    runs-on: ubuntu-latest
+
+    needs: detect-changes
+    if: needs.detect-changes.outputs.any_changed == 'true'
+
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Cache build artifacts
+        uses: swatinem/[email protected]
+
+      - name: Run tests with test coverage
+        run: |
+          cargo +nightly tarpaulin \
+            --verbose \
+            --all-features \
+            --workspace \
+            --timeout 120 \
+            --target-dir target/tarpaulin-target/ \
+            --skip-clean \
+            --out Xml
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Archive code coverage results
+        uses: actions/upload-artifact@v3
+        with:
+          name: code-coverage-report
+          path: cobertura.xml

.gitignore

@@ -0,0 +1,10 @@
+### Rust.gitignore
+# Compiled files and executables generated by Cargo
+debug/
+target/
+
+# Backup files generated by rustfmt
+**/*.rs.bk
+
+# Debugging information generated by MSVC Windows builds of rustc
+*.pdb

.pre-commit-config.yaml

@@ -10,7 +10,7 @@
 ---
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.4.0
     hooks:
       - id: check-added-large-files
         args: ["--maxkb=1024"]
@@ -19,14 +19,22 @@ repos:
       - id: trailing-whitespace
         args: [--markdown-linebreak-ext=md]
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.32.2
+    rev: v0.33.0
     hooks:
       - id: markdownlint
   - repo: https://github.com/adrienverge/yamllint
-    rev: v1.28.0
+    rev: v1.30.0
     hooks:
       - id: yamllint
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.0-alpha.4
+    rev: v3.0.0-alpha.6
     hooks:
       - id: prettier
+  - repo: https://github.com/doublify/pre-commit-rust
+    rev: v1.0
+    hooks:
+      - id: clippy
+        args: [--all-features, --all-targets, --, -D, warnings]
+      - id: cargo-check
+      - id: fmt
+        args: [--all, --]

Cargo.lock

@@ -0,0 +1,16 @@
+[workspace]
+members = [
+    "src/flowcrafter",
+]
+
+[workspace.package]
+version = "0.0.0"
+edition = "2021"
+
+# Workspace inheritance was stabilized in Rust 1.64.0.
+# See https://blog.rust-lang.org/2022/09/22/Rust-1.64.0.html
+rust-version = "1.64"
+
+license = "MIT OR Apache-2.0"
+description = "Create and manage workflows for GitHub Actions"
+repository = "https://github.com/jdno/flowcrafter"

Cargo.toml

@@ -0,0 +1,9 @@
+---
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true

codecov.yml

@@ -0,0 +1,14 @@
+[package]
+name = "flowcrafter"
+
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+description.workspace = true
+repository.workspace = true
+
+# See more keys and their definitions at
+# https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/flowcrafter/Cargo.toml

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}