From 4d4636e76c99953df248a4453e8e8af241009eb0 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Sun, 17 Mar 2019 13:59:53 -0700
Subject: [PATCH] Add Brittany to the set of build tools

---
 brittany.yaml | 45 +++++++++++++++++++++++++++++++++++++++++++++
 default.nix   | 20 ++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 brittany.yaml

diff --git a/brittany.yaml b/brittany.yaml
new file mode 100644
index 0000000..e384c9f
--- /dev/null
+++ b/brittany.yaml
@@ -0,0 +1,45 @@
+conf_debug:
+  dconf_roundtrip_exactprint_only: false
+  dconf_dump_bridoc_simpl_par: false
+  dconf_dump_ast_unknown: false
+  dconf_dump_bridoc_simpl_floating: false
+  dconf_dump_config: false
+  dconf_dump_bridoc_raw: false
+  dconf_dump_bridoc_final: false
+  dconf_dump_bridoc_simpl_alt: false
+  dconf_dump_bridoc_simpl_indent: false
+  dconf_dump_annotations: false
+  dconf_dump_bridoc_simpl_columns: false
+  dconf_dump_ast_full: false
+conf_forward:
+  options_ghc: []
+conf_errorHandling:
+  econf_ExactPrintFallback: ExactPrintFallbackModeInline
+  econf_Werror: false
+  econf_omit_output_valid_check: false
+  econf_produceOutputOnErrors: false
+conf_preprocessor:
+  ppconf_CPPMode: CPPModeWarn
+  ppconf_hackAroundIncludes: false
+conf_obfuscate: false
+conf_roundtrip_exactprint_only: false
+conf_version: 1
+conf_layout:
+  lconfig_reformatModulePreamble: true
+  lconfig_altChooser:
+    tag: AltChooserBoundedSearch
+    contents: 3
+  lconfig_allowSingleLineExportList: true
+  lconfig_importColumn: 50
+  lconfig_hangingTypeSignature: false
+  lconfig_importAsColumn: 50
+  lconfig_alignmentLimit: 30
+  lconfig_indentListSpecial: true
+  lconfig_indentAmount: 2
+  lconfig_alignmentBreakOnMultiline: true
+  lconfig_cols: 80
+  lconfig_indentPolicy: IndentPolicyFree
+  lconfig_indentWhereSpecial: true
+  lconfig_columnAlignMode:
+    tag: ColumnAlignModeMajority
+    contents: 0.7
diff --git a/default.nix b/default.nix
index d172d42..8f3dd05 100644
--- a/default.nix
+++ b/default.nix
@@ -48,6 +48,25 @@ let
     (self: super: with pkgs.haskell.lib; {
       mono-traversable = dontCheck super.mono-traversable;
       these = doJailbreak super.these;
+      multistate = doJailbreak super.multistate;
+
+      brittany = doJailbreak (self.callCabal2nix "brittany"
+        (pkgs.fetchFromGitHub {
+           owner  = "lspitzner";
+           repo   = "brittany";
+           rev    = "6c187da8f8166d595f36d6aaf419370283b3d1e9";
+           sha256 = "0nmnxprbwws3w1sh63p80qj09rkrgn9888g7iim5p8611qyhdgky";
+           # date = 2018-11-30T22:13:02+01:00;
+         }) {});
+
+      ghc-exactprint = dontCheck (self.callCabal2nix "ghc-exactprint"
+        (pkgs.fetchFromGitHub {
+           owner  = "alanz";
+           repo   = "ghc-exactprint";
+           rev    = "281f65324fb1fcad8f5ceec06f5ea4c7d78cfb59";
+           sha256 = "1d6sjy5mw0jn09sgx7zn0w1gszn3mf6lzqsfv3li50fnvwv1gwzb";
+           # date = 2019-03-01T17:38:18+02:00;
+         }) {});
     } // pkgs.lib.optionalAttrs withHoogle {
       ghc = super.ghc // { withPackages = super.ghc.withHoogle; };
       ghcWithPackages = self.ghc.withPackages;
@@ -72,6 +91,7 @@ drv = haskellPackages.developPackage {
   modifier = drv: pkgs.haskell.lib.overrideCabal drv (attrs: {
     buildTools = (attrs.buildTools or []) ++ [
       haskellPackages.cabal-install
+      haskellPackages.brittany
     ];
 
     enableLibraryProfiling = doProfiling;