From 64c5858f7bc01fa9c0e0bc5726066ce6167bea81 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Fri, 19 Feb 2021 10:06:56 -0500
Subject: Add support for hlint --refactor

---
 Biz/Bild/Rules.nix    |  1 +
 Biz/Bild/Sources.json | 26 ++++++++++++++++++++++++++
 Biz/Lint.hs           |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/Biz/Bild/Rules.nix b/Biz/Bild/Rules.nix
index 4875455..fb36100 100644
--- a/Biz/Bild/Rules.nix
+++ b/Biz/Bild/Rules.nix
@@ -136,6 +136,7 @@ in rec {
         [ p.black p.pylint ]))
 
       # tools
+      nixpkgs.haskell.packages.${ghcCompiler}.apply-refact
       nixpkgs.cmark
       nixpkgs.figlet
       nixpkgs.haskell.packages.${ghcCompiler}.fast-tags
diff --git a/Biz/Bild/Sources.json b/Biz/Bild/Sources.json
index 2aea2c8..934f658 100644
--- a/Biz/Bild/Sources.json
+++ b/Biz/Bild/Sources.json
@@ -1,4 +1,17 @@
 {
+    "apply-refact": {
+        "branch": "master",
+        "description": "Refactor Haskell source files",
+        "homepage": "",
+        "owner": "mpickering",
+        "repo": "apply-refact",
+        "rev": "0.8.2.1",
+        "sha256": "0wyamn4w3lsayhsqs6h60f0m337b1p5byw1frmcyima3pqsgprvl",
+        "type": "tarball",
+        "url": "https://github.com/mpickering/apply-refact/archive/0.8.2.1.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
+        "version": "0.8.2.1"
+    },
     "clay": {
         "branch": "master",
         "description": "A CSS preprocessor as embedded Haskell.",
@@ -12,6 +25,19 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
         "version": "cc7729b1b42a79e261091ff7835f7fc2a7ae3cee"
     },
+    "ghc-exactprint": {
+        "branch": "master",
+        "description": "GHC version of haskell-src-exts exactPrint",
+        "homepage": null,
+        "owner": "alanz",
+        "repo": "ghc-exactprint",
+        "rev": "3e70715a756c46761a3a6a086a6be5dee4e60d22",
+        "sha256": "1mhmk1555n7qr25iwbm8kbjs24c9j0q01j4m2kmz6zh7r1gjayxs",
+        "type": "tarball",
+        "url": "https://github.com/alanz/ghc-exactprint/archive/3e70715a756c46761a3a6a086a6be5dee4e60d22.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz",
+        "version": "0.6.3.4"
+    },
     "ghcjs-base": {
         "branch": "master",
         "description": "base library for GHCJS for JavaScript interaction and marshalling, used by higher level libraries like JSC",
diff --git a/Biz/Lint.hs b/Biz/Lint.hs
index 17edb37..3039b72 100644
--- a/Biz/Lint.hs
+++ b/Biz/Lint.hs
@@ -117,7 +117,7 @@ hlint =
   Linter
     { exe = "hlint",
       args = [],
-      fixArgs = Nothing
+      fixArgs = Just ["--refactor", "--refactor-options=-i"]
     }
 
 pylint :: Linter
-- 
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