Add rust formatting check

.github/workflows/check-format.yml

@@ -0,0 +1,19 @@
+name: Check rust code formatting
+
+on:
+ push:
+ pull_request:
+
+env:
+ CARGO_TERM_COLOR: always
+
+jobs:
+ build:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Set cargo fmt output
+ run: export FMT_OUTPUT=$(cargo fmt --message-format short)
+ - name: Print cargo fmt output
+ run: echo $FMT_OUTPUT
+ - name: Check cargo fmt output
+ run: if [ -z $FMT_OUTPUT ]; then exit 1; fi