taplo for toml fmt

.github/workflows/code-quality.yaml

@@ -10,7 +10,7 @@ jobs:
       FD_VERSION: 9.0.0
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Whitestapace lints
         run: bash ci/code-quality/whitespace-lints.sh
@@ -19,3 +19,9 @@ jobs:
         uses: crate-ci/[email protected] # NOTE: Newer versions detect false positives. Test locally before upgrading.
         with:
           config: ./.github/typos.toml
+
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: baptiste0928/cargo-install@v3
+        with:
+          crate: taplo-cli
+      - run: taplo fmt --check

Makefile

@@ -8,14 +8,15 @@ install-tools: ## Install development tools including nightly rustfmt, cargo-hac
 	rustup component add rustfmt --toolchain nightly
 	cargo install cargo-hack
 	cargo install cargo-release
-	cargo install typos-cli
+	cargo install typos-cli taplo-cli
 
 lint: ## Lint the code using rustfmt, clippy and whitespace lints.
 	cargo +nightly fmt --all --check
 	cargo clippy --all-targets --all-features
 	cargo clippy --all-targets --no-default-features
 	typos --config $(CURDIR)/.github/typos.toml
 	bash ./ci/code-quality/whitespace-lints.sh
+	taplo fmt --check
 
 check-features: ## Check that project compiles with all combinations of features.
 	cargo hack check --workspace --feature-powerset --exclude-features default

taplo.toml

@@ -0,0 +1,7 @@
+include = [ "taplo.toml", "**/Cargo.toml" ]
+
+[formatting]
+align_entries       = true
+compact_arrays      = false
+array_auto_expand   = false
+array_auto_collapse = false