sort out fourmolu

format-all

@@ -1,8 +1,9 @@
 #!/bin/bash -e
 if [ "$1" == "-b" ]
-then stack build --no-test --no-bench --no-haddock fourmolu
+then stack --stack-yaml stack.tools.yaml install --no-test --no-bench --no-haddock fourmolu
 fi
 
+INSTALL=`stack --stack-yaml stack.tools.yaml path --local-bin`
 for f in `find -name '*.hs' -not -path '*.stack-work/*' -not -path '*/dist/*' | grep -xvf .format.ignore`
-do `stack path --local-install-root`/bin/fourmolu -i -o -XPatternSynonyms $f || exit
+do $INSTALL/fourmolu -i -o -XPatternSynonyms $f || exit
 done

fourmolu.yaml

@@ -1,3 +1,6 @@
 respectful: false
 haddock-style: single-line
-consistent-let: true
+let-style: newline
+in-style: no-space
+single-constraint-parens: never
+single-deriving-parens: never

stack.tools.yaml

@@ -0,0 +1,2 @@
+resolver: lts-22.12
+packages: []

stack.tools.yaml.lock

@@ -0,0 +1,12 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    sha256: e2c529ccfb21501f98f639e056cbde50470b86256d9849d7a82d414ca23e4276
+    size: 712898
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/12.yaml
+  original: lts-22.12