check-stylish script

It is useful to have a script, not just a nix command.

Author: coot

nix/check-stylish.nix

@@ -7,9 +7,7 @@ runCommand "check-stylish" {
 } ''
   unpackPhase
   cd $sourceRoot
-  fd . './io-sim' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
-  fd . './io-classes' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
-  fd . './strict-stm' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
+  bash ./scripts/check-stylish.sh
   diff -ru $src .
 
   EXIT_CODE=$?

scripts/check-stylish.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+export LC_ALL=C.UTF-8
+
+fd . './io-sim' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
+fd . './io-classes' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
+fd . './strict-stm' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i