Updates (fourmolu#450)

* Support Diff-1

* Bump stack resolver

* Add Paths_fourmolu to autogen-modules

* Fix hackage index-state

.github/workflows/web.yml

@@ -98,6 +98,9 @@ jobs:
           key: ${{ runner.os }}-hakyll-cache-${{ env.CURR_MONTH }}-${{ hashFiles('web/site/cabal.project.freeze') }}
           restore-keys: |
                ${{ runner.os }}-hakyll-cache-${{ env.CURR_MONTH }}-
+      -
+        # refresh Hackage index-state after restoring cache
+        run: cabal update
       -
         name: Build site
         run: cabal run fourmolu-web --ghc-options='-Werror' -- build

.gitignore

@@ -25,7 +25,6 @@ cabal.project.local
 cabal.sandbox.config
 dist-*/
 dist/
-stack*.yaml.lock
 result*
 .direnv/
 hie.yaml

fourmolu.cabal

@@ -103,13 +103,15 @@ library
     other-modules:
         Ormolu.Config.Gen
         Ormolu.Config.Types
+    autogen-modules:
+        Paths_fourmolu
 
     hs-source-dirs:   src
     other-modules:    GHC.DynFlags
     default-language: GHC2021
     build-depends:
         Cabal-syntax >=3.12 && <3.13,
-        Diff >=0.4 && <1,
+        Diff >=0.4 && <2,
         MemoTrie >=0.6 && <0.7,
         ansi-terminal >=0.10 && <1.2,
         array >=0.5 && <0.6,
@@ -220,7 +222,7 @@ test-suite tests
         Ormolu.Utils.GlobSpec
     build-depends:
         bytestring,
-        Diff >=0.3 && <1,
+        Diff >=1 && <2,
         pretty >=1.0 && <2.0,
         process >=1.6 && <2.0,
         yaml,

stack.yaml

@@ -1,6 +1,13 @@
-resolver: nightly-2024-05-10
+resolver: nightly-2025-01-11
 
 extra-deps:
-- ghc-lib-parser-9.10.1.20240511
-- Cabal-syntax-3.12.0.0
-- choice-0.2.4.1
+  - path-0.9.6
+  - path-io-1.8.2
+
+flags:
+  path:
+    os-string: true
+
+allow-newer: true
+allow-newer-deps:
+  - path

stack.yaml.lock

@@ -0,0 +1,26 @@
+# 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/topics/lock_files
+
+packages:
+- completed:
+    hackage: path-0.9.6@sha256:63c2783d76c425514b2904e392f487921de823d883dcc629d7eaad36930198ce,5531
+    pantry-tree:
+      sha256: c791fe08026c1856bfd8fe4ae6b93e86ffcfbd59b3b4644560a71b734dd4b20e
+      size: 3146
+  original:
+    hackage: path-0.9.6
+- completed:
+    hackage: path-io-1.8.2@sha256:97725811b06f3fea7c1f2b0b39f21806c2f90470fc571acd75d3606b49b0f0d9,2009
+    pantry-tree:
+      sha256: 14dc5dc9c1f71b2568390ff7f1ad7f8237101ee98a05fe82068e9479468416cb
+      size: 318
+  original:
+    hackage: path-io-1.8.2
+snapshots:
+- completed:
+    sha256: 776b860cca4e9106b51f401ddbc6d8d95ba417ec326d9c869013fef1086a9a17
+    size: 621385
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2025/1/11.yaml
+  original: nightly-2025-01-11

tests/Ormolu/Config/PrinterOptsSpec.hs

@@ -11,7 +11,7 @@ module Ormolu.Config.PrinterOptsSpec (spec) where
 
 import Control.Exception (catch)
 import Control.Monad (forM_, when)
-import Data.Algorithm.DiffContext (getContextDiff, prettyContextDiff)
+import Data.Algorithm.DiffContext qualified as Diff
 import Data.Char (isSpace)
 import Data.List.NonEmpty qualified as NonEmpty
 import Data.Maybe (isJust)
@@ -446,8 +446,8 @@ getFileContents path = do
 getDiff :: (String, Text) -> (String, Text) -> Text
 getDiff (s1Name, s1) (s2Name, s2) =
   T.pack . Doc.render $
-    prettyContextDiff (Doc.text s1Name) (Doc.text s2Name) (Doc.text . T.unpack) $
-      getContextDiff 2 (T.lines s1) (T.lines s2)
+    Diff.prettyContextDiff (Doc.text s1Name) (Doc.text s2Name) (Doc.text . T.unpack . Diff.unnumber) $
+      Diff.getContextDiff (Just 2) (T.lines s1) (T.lines s2)
 
 renderOrmoluException :: OrmoluException -> IO String
 renderOrmoluException e =