Merge pull request #47 from osvita-io/oleks-format-with-ormolu

Use Ormolu to format Haskell files

.github/workflows/main.yml

@@ -1,9 +1,23 @@
 on: [push]
 name: build
 jobs:
-  runhaskell:
+  ormolu:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: haskell-actions/run-ormolu@v16 # NB!
+# If you update the version of run-ormolu, please also update the
+# version in .docker/Dockerfile, so that the docker image will use the
+# same version of ormolu.
+#
+# See also
+#   https://github.com/haskell-actions/run-ormolu/releases
+#   https://github.com/tweag/ormolu/releases/
+
+  test:
     name: stack test
     runs-on: ubuntu-latest
+    needs: ormolu
     steps:
       - uses: actions/checkout@v3
       - uses: haskell/actions/setup@v2
@@ -17,4 +31,3 @@ jobs:
             dist-newstyle
             .stack-work
           key: ${{ runner.os }}
-      - run: stack test

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build interact
+.PHONY: build interact check_format
 
 name:=$(shell basename $(CURDIR))
 version:=9.4-slim_0
@@ -10,11 +10,17 @@ build: docker/Dockerfile Makefile
 	  docker
 
 interact: build docker/Dockerfile Makefile
-	mkdir -p .home
 	docker run \
 	  --interactive --tty --rm \
-	  --volume "$(shell pwd):/src" \
-	  --volume "$(shell pwd)/.home:/home/alis" \
-	  --workdir "/src" \
+	  --volume "$(shell pwd):/remarks" \
+	  --workdir "/remarks" \
 	  --entrypoint bash \
 	  $(tag)
+
+check_format: build Makefile
+	docker run \
+	  --rm \
+	  --volume "$(shell pwd):/remarks" \
+	  --workdir "/remarks" \
+	  $(tag) \
+	  ormolu --mode check $(shell find . -type f -name '*.hs')

Setup.hs

@@ -1,2 +1,3 @@
 import Distribution.Simple
+
 main = defaultMain