cabal: Update tested GHC versions

This syncs the cabal file with the reality of our CI.

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/generatemanpage.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install dependencies
         run: |

.github/workflows/haskell-ci-hackage.patch

@@ -45,24 +45,27 @@ set in GitHub repository secrets.
            - compiler: ghc-8.10.7
              compilerKind: ghc
              compilerVersion: 8.10.7
-@@ -209,8 +217,80 @@
+@@ -237,7 +237,7 @@
            ${CABAL} -vnormal check
        - name: haddock
          run: |
--          $CABAL v2-haddock $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
+-          $CABAL v2-haddock --disable-documentation $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
 +          $CABAL v2-haddock $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH --haddock-for-hackage --builddir $GITHUB_WORKSPACE/haddock all
        - name: unconstrained build
          run: |
            rm -f cabal.project.local
-           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
+@@ -248,3 +248,75 @@
+         with:
+           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
+           path: ~/.cabal/store
 +      - name: upload artifacts (sdist)
 +        if: matrix.upload
-+        uses: actions/upload-artifact@v2
++        uses: actions/upload-artifact@v3
 +        with:
 +          path: ${{ github.workspace }}/sdist/*.tar.gz
 +      - name: upload artifacts (haddock)
 +        if: matrix.upload
-+        uses: actions/upload-artifact@v2
++        uses: actions/upload-artifact@v3
 +        with:
 +          path: ${{ github.workspace }}/haddock/*-docs.tar.gz
 +      - name: hackage upload (candidate)

.github/workflows/haskell-ci.yml

@@ -8,9 +8,9 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.14.3
+# version: 0.15.20230312
 #
-# REGENDATA ("0.14.3",["github","cabal.project"])
+# REGENDATA ("0.15.20230312",["github","cabal.project"])
 #
 name: Haskell-CI
 on:
@@ -26,7 +26,7 @@ on:
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     timeout-minutes:
       60
     container:
@@ -35,9 +35,19 @@ jobs:
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.2.2
+          - compiler: ghc-9.6.1
             compilerKind: ghc
-            compilerVersion: 9.2.2
+            compilerVersion: 9.6.1
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.4.4
+            compilerKind: ghc
+            compilerVersion: 9.4.4
+            setup-method: ghcup
+            allow-failure: false
+          - compiler: ghc-9.2.7
+            compilerKind: ghc
+            compilerVersion: 9.2.7
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.0.2
@@ -61,11 +71,6 @@ jobs:
             compilerVersion: 8.6.5
             setup-method: hvr-ppa
             allow-failure: false
-          - compiler: ghc-8.4.4
-            compilerKind: ghc
-            compilerVersion: 8.4.4
-            setup-method: hvr-ppa
-            allow-failure: false
       fail-fast: false
     steps:
       - name: apt
@@ -74,10 +79,10 @@ jobs:
           apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
           if [ "${{ matrix.setup-method }}" = ghcup ]; then
             mkdir -p "$HOME/.ghcup/bin"
-            curl -sL https://downloads.haskell.org/ghcup/0.1.17.5/x86_64-linux-ghcup-0.1.17.5 > "$HOME/.ghcup/bin/ghcup"
+            curl -sL https://downloads.haskell.org/ghcup/0.1.18.0/x86_64-linux-ghcup-0.1.18.0 > "$HOME/.ghcup/bin/ghcup"
             chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER"
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0
+            "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
+            "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
             apt-get update
             apt-get install -y libx11-dev libxext-dev libxinerama-dev libxrandr-dev libxss-dev
           else
@@ -85,9 +90,9 @@ jobs:
             apt-get update
             apt-get install -y "$HCNAME" libx11-dev libxext-dev libxinerama-dev libxrandr-dev libxss-dev
             mkdir -p "$HOME/.ghcup/bin"
-            curl -sL https://downloads.haskell.org/ghcup/0.1.17.5/x86_64-linux-ghcup-0.1.17.5 > "$HOME/.ghcup/bin/ghcup"
+            curl -sL https://downloads.haskell.org/ghcup/0.1.18.0/x86_64-linux-ghcup-0.1.18.0 > "$HOME/.ghcup/bin/ghcup"
             chmod a+x "$HOME/.ghcup/bin/ghcup"
-            "$HOME/.ghcup/bin/ghcup" install cabal 3.6.2.0
+            "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
           fi
         env:
           HCKIND: ${{ matrix.compilerKind }}
@@ -105,13 +110,13 @@ jobs:
             echo "HC=$HC" >> "$GITHUB_ENV"
             echo "HCPKG=$HOME/.ghcup/bin/$HCKIND-pkg-$HCVER" >> "$GITHUB_ENV"
             echo "HADDOCK=$HOME/.ghcup/bin/haddock-$HCVER" >> "$GITHUB_ENV"
-            echo "CABAL=$HOME/.ghcup/bin/cabal-3.6.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+            echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
           else
             HC=$HCDIR/bin/$HCKIND
             echo "HC=$HC" >> "$GITHUB_ENV"
             echo "HCPKG=$HCDIR/bin/$HCKIND-pkg" >> "$GITHUB_ENV"
             echo "HADDOCK=$HCDIR/bin/haddock" >> "$GITHUB_ENV"
-            echo "CABAL=$HOME/.ghcup/bin/cabal-3.6.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+            echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
           fi
 
           HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
@@ -160,11 +165,6 @@ jobs:
       - name: update cabal index
         run: |
           $CABAL v2-update -v
-      - name: cache (tools)
-        uses: actions/cache@v2
-        with:
-          key: ${{ runner.os }}-${{ matrix.compiler }}-tools-c0dbbd39
-          path: ~/.haskell-ci-tools
       - name: install cabal-plan
         run: |
           mkdir -p $HOME/.cabal/bin
@@ -174,14 +174,8 @@ jobs:
           rm -f cabal-plan.xz
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
-      - name: install hlint
-        run: |
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then HLINTVER=$(cd /tmp && (${CABAL} v2-install -v $ARG_COMPILER --dry-run hlint  --constraint='hlint >=3.4 && <3.5' |  perl -ne 'if (/\bhlint-(\d+(\.\d+)*)\b/) { print "$1"; last; }')); echo "HLint version $HLINTVER" ; fi
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then if [ ! -e $HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint ]; then echo "Downloading HLint version $HLINTVER"; mkdir -p $HOME/.haskell-ci-tools; curl --write-out 'Status Code: %{http_code} Redirects: %{num_redirects} Total time: %{time_total} Total Dsize: %{size_download}\n' --silent --location --output $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz "https://github.com/ndmitchell/hlint/releases/download/v$HLINTVER/hlint-$HLINTVER-x86_64-linux.tar.gz"; tar -xzv -f $HOME/.haskell-ci-tools/hlint-$HLINTVER.tar.gz -C $HOME/.haskell-ci-tools; fi ; fi
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then mkdir -p $CABAL_DIR/bin && ln -sf "$HOME/.haskell-ci-tools/hlint-$HLINTVER/hlint" $CABAL_DIR/bin/hlint ; fi
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then hlint --version ; fi
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -220,8 +214,8 @@ jobs:
         run: |
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
           cabal-plan
-      - name: cache
-        uses: actions/cache@v2
+      - name: restore cache
+        uses: actions/cache/restore@v3
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
@@ -239,10 +233,6 @@ jobs:
       - name: tests
         run: |
           $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-details=direct
-      - name: hlint
-        run: |
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then (cd ${PKGDIR_xmonad} && hlint -h ${GITHUB_WORKSPACE}/source/.hlint.yaml -XHaskell2010 src) ; fi
-          if [ $((HCNUMVER >= 90000 && HCNUMVER < 90200)) -ne 0 ] ; then (cd ${PKGDIR_xmonad} && hlint -h ${GITHUB_WORKSPACE}/source/.hlint.yaml -XHaskell2010 .) ; fi
       - name: cabal check
         run: |
           cd ${PKGDIR_xmonad} || false
@@ -254,14 +244,20 @@ jobs:
         run: |
           rm -f cabal.project.local
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
+      - name: save cache
+        uses: actions/cache/save@v3
+        if: always()
+        with:
+          key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
+          path: ~/.cabal/store
       - name: upload artifacts (sdist)
         if: matrix.upload
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           path: ${{ github.workspace }}/sdist/*.tar.gz
       - name: upload artifacts (haddock)
         if: matrix.upload
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           path: ${{ github.workspace }}/haddock/*-docs.tar.gz
       - name: hackage upload (candidate)

.github/workflows/hlint.yaml

@@ -0,0 +1,22 @@
+name: hlint
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  hlint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: 'Set up HLint'
+      uses: haskell/actions/hlint-setup@v2
+      with:
+        version: '3.5'
+
+    - name: 'Run HLint'
+      uses: haskell/actions/hlint-run@v2
+      with:
+        path: '.'
+        fail-on: status

.github/workflows/nix.yml

@@ -6,13 +6,13 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04  # FIXME
     name: Nix Flake - Linux
     permissions:
       contents: read
     steps:
       - name: Install Nix
-        uses: cachix/install-nix-action@v13
+        uses: cachix/install-nix-action@v18
         with:
           install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
           install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
@@ -20,6 +20,6 @@ jobs:
             experimental-features = nix-command flakes
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - name: Clone project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Build
         run: nix build --print-build-logs

.github/workflows/packdeps.yml

@@ -13,9 +13,9 @@ jobs:
 
     steps:
       - name: Clone project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup Haskell
-        uses: haskell/actions/setup@v1
+        uses: haskell/actions/setup@v2
         with:
           # packdeps doesn't build with newer as of 2021-10
           ghc-version: '8.8'
@@ -23,6 +23,7 @@ jobs:
         run: |
           set -ex
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
+          cd  # go somewhere without a cabal.project
           cabal install packdeps
       - name: Check package bounds (all)
         continue-on-error: true

.github/workflows/stack.yml

@@ -12,30 +12,20 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - resolver: lts-12
-            ghc: 8.4.4
-          - resolver: lts-14
-            ghc: 8.6.5
-          - resolver: lts-16
-            ghc: 8.8.4
-          - resolver: lts-18
-            ghc: 8.10.7
-          - resolver: lts-19
-            ghc: 9.0.2
+          - resolver: lts-14  # GHC 8.6
+          - resolver: lts-16  # GHC 8.8
+          - resolver: lts-18  # GHC 8.10
+          - resolver: lts-19  # GHC 9.0
+          - resolver: lts-20  # GHC 9.2
 
     steps:
       - name: Clone project
-        uses: actions/checkout@v2
-
-      - name: Prepare apt sources
-        run: |
-          set -ex
-          sudo add-apt-repository -y ppa:hvr/ghc
-          sudo apt update -y
+        uses: actions/checkout@v3
 
       - name: Install C dependencies
         run: |
           set -ex
+          sudo apt update -y
           sudo apt install -y \
             libx11-dev \
             libxext-dev \
@@ -44,14 +34,6 @@ jobs:
             libxss-dev \
             #
 
-      - name: Install GHC
-        # use system ghc (if available) in stack, don't waste GH Actions cache space
-        continue-on-error: true
-        run: |
-          set -ex
-          sudo apt install -y ghc-${{ matrix.ghc }}
-          echo /opt/ghc/${{ matrix.ghc }}/bin >> $GITHUB_PATH
-
       - name: Refresh caches once a month
         id: cache-date
         # GHA writes caches on the first miss and then never updates them again;
@@ -59,16 +41,16 @@ jobs:
         # date is prefixed with an epoch number to let us manually refresh the
         # cache when needed. This is a workaround for https://github.com/actions/cache/issues/2
         run: |
-          echo "::set-output name=date::1-$(date +%Y-%m)"
+          date +date=1-%Y-%m >> $GITHUB_OUTPUT
 
       - name: Cache Haskell package metadata
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/.stack/pantry
           key: stack-pantry-${{ runner.os }}-${{ steps.cache-date.outputs.date }}
 
       - name: Cache Haskell dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: |
             ~/.stack/*

CHANGES.md

@@ -1,6 +1,12 @@
 # Change Log / Release Notes
 
-## 0.17.1 (September 3, 2021)
+## 0.17.2 (April 2, 2023)
+
+### Bug Fixes
+
+  * Fixed the build with GHC 9.6.
+
+## 0.17.1 (September 3, 2022)
 
 ### Enhancements
 

INSTALL.md

@@ -101,7 +101,7 @@ This will give you the latest `HEAD`; if you want you can also check
 out a tagged release, e.g.:
 
 ``` console
-$ git clone --branch v0.17.1 https://github.com/xmonad/xmonad
+$ git clone --branch v0.17.2 https://github.com/xmonad/xmonad
 $ git clone --branch v0.17.1 https://github.com/xmonad/xmonad-contrib
 ```
 

cabal.haskell-ci

@@ -5,11 +5,6 @@ apt:
   libxrandr-dev
   libxss-dev
 
-hlint: True
-hlint-job: 9.0.2
-hlint-yaml: .hlint.yaml
-hlint-version: ==3.4.*
-
 github-patches:
   .github/workflows/haskell-ci-hackage.patch
 
@@ -17,3 +12,6 @@ raw-project
   optimization: False
   package xmonad
     flags: +pedantic
+
+-- avoid --haddock-all which overwrites *-docs.tar.gz with tests docs
+haddock-components: libs

man/xmonad.1

@@ -1,10 +1,10 @@
-.\" Automatically generated by Pandoc 2.5
+.\" Automatically generated by Pandoc 2.9.2.1
 .\"
 .TH "XMONAD" "1" "27 October 2021" "Tiling Window Manager" ""
 .hy
 .SH Name
 .PP
-xmonad \- Tiling Window Manager
+xmonad - Tiling Window Manager
 .SH Description
 .PP
 \f[I]xmonad\f[R] is a minimalist tiling window manager for X, written in
@@ -36,27 +36,27 @@ featureful window manager in less than 1200 lines of code, with an
 emphasis on correctness and robustness.
 Internal properties of the window manager are checked using a
 combination of static guarantees provided by the type system, and
-type\-based automated testing.
+type-based automated testing.
 A benefit of this is that the code is simple to understand, and easy to
 modify.
 .SH Usage
 .PP
 \f[I]xmonad\f[R] places each window into a \[lq]workspace\[rq].
 Each workspace can have any number of windows, which you can cycle
-though with mod\-j and mod\-k.
+though with mod-j and mod-k.
 Windows are either displayed full screen, tiled horizontally, or tiled
 vertically.
-You can toggle the layout mode with mod\-space, which will cycle through
+You can toggle the layout mode with mod-space, which will cycle through
 the available modes.
 .PP
-You can switch to workspace N with mod\-N.
-For example, to switch to workspace 5, you would press mod\-5.
+You can switch to workspace N with mod-N.
+For example, to switch to workspace 5, you would press mod-5.
 Similarly, you can move the current window to another workspace with
-mod\-shift\-N.
+mod-shift-N.
 .PP
 When running with multiple monitors (Xinerama), each screen has exactly
 1 workspace visible.
-mod\-{w,e,r} switch the focus between screens, while shift\-mod\-{w,e,r}
+mod-{w,e,r} switch the focus between screens, while shift-mod-{w,e,r}
 move the current window to that screen.
 When \f[I]xmonad\f[R] starts, workspace 1 is on screen 1, workspace 2 is
 on screen 2, etc.
@@ -67,115 +67,115 @@ and visible workspaces are swapped.
 xmonad has several flags which you may pass to the executable.
 These flags are:
 .TP
-.B \[en]recompile
+\[en]recompile
 Recompiles your \f[I]xmonad.hs\f[R] configuration
 .TP
-.B \[en]restart
+\[en]restart
 Causes the currently running \f[I]xmonad\f[R] process to restart
 .TP
-.B \[en]replace
+\[en]replace
 Replace the current window manager with xmonad
 .TP
-.B \[en]version
+\[en]version
 Display version of \f[I]xmonad\f[R]
 .TP
-.B \[en]verbose\-version
+\[en]verbose-version
 Display detailed version of \f[I]xmonad\f[R]
 .SS Default keyboard bindings
 .TP
-.B mod\-shift\-return
+mod-shift-return
 Launch terminal
 .TP
-.B mod\-p
+mod-p
 Launch dmenu
 .TP
-.B mod\-shift\-p
+mod-shift-p
 Launch gmrun
 .TP
-.B mod\-shift\-c
+mod-shift-c
 Close the focused window
 .TP
-.B mod\-space
+mod-space
 Rotate through the available layout algorithms
 .TP
-.B mod\-shift\-space
+mod-shift-space
 Reset the layouts on the current workspace to default
 .TP
-.B mod\-n
+mod-n
 Resize viewed windows to the correct size
 .TP
-.B mod\-tab
+mod-tab
 Move focus to the next window
 .TP
-.B mod\-shift\-tab
+mod-shift-tab
 Move focus to the previous window
 .TP
-.B mod\-j
+mod-j
 Move focus to the next window
 .TP
-.B mod\-k
+mod-k
 Move focus to the previous window
 .TP
-.B mod\-m
+mod-m
 Move focus to the master window
 .TP
-.B mod\-return
+mod-return
 Swap the focused window and the master window
 .TP
-.B mod\-shift\-j
+mod-shift-j
 Swap the focused window with the next window
 .TP
-.B mod\-shift\-k
+mod-shift-k
 Swap the focused window with the previous window
 .TP
-.B mod\-h
+mod-h
 Shrink the master area
 .TP
-.B mod\-l
+mod-l
 Expand the master area
 .TP
-.B mod\-t
+mod-t
 Push window back into tiling
 .TP
-.B mod\-comma
+mod-comma
 Increment the number of windows in the master area
 .TP
-.B mod\-period
+mod-period
 Deincrement the number of windows in the master area
 .TP
-.B mod\-shift\-q
+mod-shift-q
 Quit xmonad
 .TP
-.B mod\-q
+mod-q
 Restart xmonad
 .TP
-.B mod\-shift\-slash
+mod-shift-slash
 Run xmessage with a summary of the default keybindings (useful for
 beginners)
 .TP
-.B mod\-question
+mod-question
 Run xmessage with a summary of the default keybindings (useful for
 beginners)
 .TP
-.B mod\-[1..9]
+mod-[1..9]
 Switch to workspace N
 .TP
-.B mod\-shift\-[1..9]
+mod-shift-[1..9]
 Move client to workspace N
 .TP
-.B mod\-{w,e,r}
+mod-{w,e,r}
 Switch to physical/Xinerama screens 1, 2, or 3
 .TP
-.B mod\-shift\-{w,e,r}
+mod-shift-{w,e,r}
 Move client to screen 1, 2, or 3
 .TP
-.B mod\-button1
+mod-button1
 Set the window to floating mode and move by dragging
 .TP
-.B mod\-button2
+mod-button2
 Raise the window to the top of the stack
 .TP
-.B mod\-button3
+mod-button3
 Set the window to floating mode and resize by dragging
 .SH Examples
 .PP
@@ -188,7 +188,7 @@ exec xmonad
 .SH Customization
 .PP
 xmonad is customized in your \f[I]xmonad.hs\f[R], and then restarted
-with mod\-q.
+with mod-q.
 You can choose where your configuration file lives by
 .IP "1." 3
 Setting \f[C]XMONAD_DATA_DIR,\f[R] \f[C]XMONAD_CONFIG_DIR\f[R], and
@@ -201,14 +201,13 @@ Creating \f[I]xmonad.hs\f[R] in \f[C]XDG_CONFIG_HOME\f[R].
 Note that, in this case, xmonad will use \f[C]XDG_DATA_HOME\f[R] and
 \f[C]XDG_CACHE_HOME\f[R] for its data and cache directory respectively.
 .PP
-You can find many extensions to the core feature set in the xmonad\-
+You can find many extensions to the core feature set in the xmonad-
 contrib package, available through your package manager or from
 xmonad.org (https://xmonad.org).
 .SS Modular Configuration
 .PP
-As of \f[I]xmonad\-0.9\f[R], any additional Haskell modules may be
-placed in \f[I]\[ti]/.xmonad/lib/\f[R] are available in GHC\[cq]s
-searchpath.
+As of \f[I]xmonad-0.9\f[R], any additional Haskell modules may be placed
+in \f[I]\[ti]/.xmonad/lib/\f[R] are available in GHC\[cq]s searchpath.
 Hierarchical modules are supported: for example, the file
 \f[I]\[ti]/.xmonad/lib/XMonad/Stack/MyAdditions.hs\f[R] could contain:
 .IP
@@ -220,7 +219,7 @@ module XMonad.Stack.MyAdditions (function1) where
 .fi
 .PP
 Your xmonad.hs may then import XMonad.Stack.MyAdditions as if that
-module was contained within xmonad or xmonad\-contrib.
+module was contained within xmonad or xmonad-contrib.
 .SH Bugs
 .PP
 Probably.

man/xmonad.1.html

@@ -7,74 +7,75 @@
   <meta name="author" content="" />
   <meta name="dcterms.date" content="2021-10-27" />
   <title>XMONAD(1) Tiling Window Manager</title>
-  <style type="text/css">
-      code{white-space: pre-wrap;}
-      span.smallcaps{font-variant: small-caps;}
-      span.underline{text-decoration: underline;}
-      div.column{display: inline-block; vertical-align: top; width: 50%;}
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-  <style type="text/css">
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-pre.sourceCode { margin: 0; }
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-}
-pre.numberSource a.sourceLine
-  { position: relative; left: -4em; }
-pre.numberSource a.sourceLine::before
-  { content: attr(title);
-    position: relative; left: -1em; text-align: right; vertical-align: baseline;
-    border: none; pointer-events: all; display: inline-block;
-    -webkit-touch-callout: none; -webkit-user-select: none;
-    -khtml-user-select: none; -moz-user-select: none;
-    -ms-user-select: none; user-select: none;
-    padding: 0 4px; width: 4em;
-    color: #aaaaaa;
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-pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
-div.sourceCode
-  {  }
-@media screen {
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-code span.vs { color: #4070a0; } /* VerbatimString */
-code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
+  <style>
+    code{white-space: pre-wrap;}
+    span.smallcaps{font-variant: small-caps;}
+    span.underline{text-decoration: underline;}
+    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
+    ul.task-list{list-style: none;}
+    pre > code.sourceCode { white-space: pre; position: relative; }
+    pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
+    pre > code.sourceCode > span:empty { height: 1.2em; }
+    code.sourceCode > span { color: inherit; text-decoration: inherit; }
+    div.sourceCode { margin: 1em 0; }
+    pre.sourceCode { margin: 0; }
+    @media screen {
+    div.sourceCode { overflow: auto; }
+    }
+    @media print {
+    pre > code.sourceCode { white-space: pre-wrap; }
+    pre > code.sourceCode > span { text-indent: -5em; padding-left: 5em; }
+    }
+    pre.numberSource code
+      { counter-reset: source-line 0; }
+    pre.numberSource code > span
+      { position: relative; left: -4em; counter-increment: source-line; }
+    pre.numberSource code > span > a:first-child::before
+      { content: counter(source-line);
+        position: relative; left: -1em; text-align: right; vertical-align: baseline;
+        border: none; display: inline-block;
+        -webkit-touch-callout: none; -webkit-user-select: none;
+        -khtml-user-select: none; -moz-user-select: none;
+        -ms-user-select: none; user-select: none;
+        padding: 0 4px; width: 4em;
+        color: #aaaaaa;
+      }
+    pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+    div.sourceCode
+      {   }
+    @media screen {
+    pre > code.sourceCode > span > a:first-child::before { text-decoration: underline; }
+    }
+    code span.al { color: #ff0000; font-weight: bold; } /* Alert */
+    code span.an { color: #60a0b0; font-weight: bold; font-style: italic; } /* Annotation */
+    code span.at { color: #7d9029; } /* Attribute */
+    code span.bn { color: #40a070; } /* BaseN */
+    code span.bu { } /* BuiltIn */
+    code span.cf { color: #007020; font-weight: bold; } /* ControlFlow */
+    code span.ch { color: #4070a0; } /* Char */
+    code span.cn { color: #880000; } /* Constant */
+    code span.co { color: #60a0b0; font-style: italic; } /* Comment */
+    code span.cv { color: #60a0b0; font-weight: bold; font-style: italic; } /* CommentVar */
+    code span.do { color: #ba2121; font-style: italic; } /* Documentation */
+    code span.dt { color: #902000; } /* DataType */
+    code span.dv { color: #40a070; } /* DecVal */
+    code span.er { color: #ff0000; font-weight: bold; } /* Error */
+    code span.ex { } /* Extension */
+    code span.fl { color: #40a070; } /* Float */
+    code span.fu { color: #06287e; } /* Function */
+    code span.im { } /* Import */
+    code span.in { color: #60a0b0; font-weight: bold; font-style: italic; } /* Information */
+    code span.kw { color: #007020; font-weight: bold; } /* Keyword */
+    code span.op { color: #666666; } /* Operator */
+    code span.ot { color: #007020; } /* Other */
+    code span.pp { color: #bc7a00; } /* Preprocessor */
+    code span.sc { color: #4070a0; } /* SpecialChar */
+    code span.ss { color: #bb6688; } /* SpecialString */
+    code span.st { color: #4070a0; } /* String */
+    code span.va { color: #19177c; } /* Variable */
+    code span.vs { color: #4070a0; } /* VerbatimString */
+    code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
   </style>
 </head>
 <body>
@@ -83,16 +84,18 @@ code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warni
 <p class="author"></p>
 <p class="date">27 October 2021</p>
 </header>
-<nav id="TOC">
+<nav id="TOC" role="doc-toc">
 <ul>
 <li><a href="#name">Name</a></li>
 <li><a href="#description">Description</a></li>
-<li><a href="#usage">Usage</a><ul>
+<li><a href="#usage">Usage</a>
+<ul>
 <li><a href="#flags">Flags</a></li>
 <li><a href="#default-keyboard-bindings">Default keyboard bindings</a></li>
 </ul></li>
 <li><a href="#examples">Examples</a></li>
-<li><a href="#customization">Customization</a><ul>
+<li><a href="#customization">Customization</a>
+<ul>
 <li><a href="#modular-configuration">Modular Configuration</a></li>
 </ul></li>
 <li><a href="#bugs">Bugs</a></li>
@@ -238,8 +241,8 @@ code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warni
 <p>You can find many extensions to the core feature set in the xmonad- contrib package, available through your package manager or from <a href="https://xmonad.org">xmonad.org</a>.</p>
 <h2 id="modular-configuration">Modular Configuration</h2>
 <p>As of <em>xmonad-0.9</em>, any additional Haskell modules may be placed in <em>~/.xmonad/lib/</em> are available in GHC’s searchpath. Hierarchical modules are supported: for example, the file <em>~/.xmonad/lib/XMonad/Stack/MyAdditions.hs</em> could contain:</p>
-<div class="sourceCode" id="cb1"><pre class="sourceCode haskell"><code class="sourceCode haskell"><a class="sourceLine" id="cb1-1" title="1"><span class="kw">module</span> <span class="dt">XMonad.Stack.MyAdditions</span> (function1) <span class="kw">where</span></a>
-<a class="sourceLine" id="cb1-2" title="2">  function1 <span class="ot">=</span> <span class="fu">error</span> <span class="st">&quot;function1: Not implemented yet!&quot;</span></a></code></pre></div>
+<div class="sourceCode" id="cb1"><pre class="sourceCode haskell"><code class="sourceCode haskell"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true"></a><span class="kw">module</span> <span class="dt">XMonad.Stack.MyAdditions</span> (function1) <span class="kw">where</span></span>
+<span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a>  function1 <span class="ot">=</span> <span class="fu">error</span> <span class="st">&quot;function1: Not implemented yet!&quot;</span></span></code></pre></div>
 <p>Your xmonad.hs may then import XMonad.Stack.MyAdditions as if that module was contained within xmonad or xmonad-contrib.</p>
 <h1 id="bugs">Bugs</h1>
 <p>Probably. If you find any, please report them to the <a href="https://github.com/xmonad/xmonad/issues">bugtracker</a></p>

src/XMonad/Config.hs

@@ -1,5 +1,6 @@
 {-# OPTIONS_GHC -fno-warn-missing-signatures -fno-warn-orphans #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  XMonad.Config

src/XMonad/Core.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DeriveTraversable #-}
 {-# LANGUAGE ExistentialQuantification #-}
 {-# LANGUAGE FlexibleInstances #-}
@@ -44,9 +45,10 @@ import Control.Exception (fromException, try, bracket_, throw, finally, SomeExce
 import qualified Control.Exception as E
 import Control.Applicative ((<|>), empty)
 import Control.Monad.Fail
+import Control.Monad.Fix (fix)
 import Control.Monad.State
 import Control.Monad.Reader
-import Control.Monad (void)
+import Control.Monad (filterM, guard, liftM2, void, when)
 import Data.Semigroup
 import Data.Traversable (for)
 import Data.Time.Clock (UTCTime)
@@ -451,7 +453,11 @@ xfork x = io . forkProcess . finally nullStdin $ do
                 x
  where
     nullStdin = do
+#if MIN_VERSION_unix(2,8,0)
+        fd <- openFd "/dev/null" ReadOnly defaultFileFlags
+#else
         fd <- openFd "/dev/null" ReadOnly Nothing defaultFileFlags
+#endif
         dupTo fd stdInput
         closeFd fd
 

src/XMonad/Main.hs

@@ -27,6 +27,7 @@ import qualified Data.Map as M
 import qualified Data.Set as S
 import Control.Monad.Reader
 import Control.Monad.State
+import Control.Monad (filterM, guard, unless, void, when)
 import Data.Maybe (fromMaybe, isJust)
 import Data.Monoid (getAll)
 

src/XMonad/Operations.hs

@@ -70,9 +70,10 @@ import qualified Data.Map as M
 import qualified Data.Set as S
 
 import Control.Arrow (second)
+import Control.Monad.Fix (fix)
 import Control.Monad.Reader
 import Control.Monad.State
-import Control.Monad (void)
+import Control.Monad (forM, forM_, guard, join, unless, void, when)
 import qualified Control.Exception as C
 
 import System.IO

stack.yaml

@@ -6,13 +6,6 @@ packages:
 extra-deps:
 - X11-1.10
 
-flags:
-  xmonad:
-    # stack doesn't support automatic flags
-    # https://cabal.readthedocs.io/en/latest/cabal-package.html#resolution-of-conditions-and-flags
-    # https://github.com/commercialhaskell/stack/issues/1313#issuecomment-157259270
-    quickcheck-classes: false
-
 nix:
   packages:
     - zlib

tests/Properties/Stack.hs

@@ -1,9 +1,5 @@
-{-# LANGUAGE CPP #-}
 {-# LANGUAGE ScopedTypeVariables #-}
-
-#ifdef VERSION_quickcheck_classes
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
-#endif
 
 module Properties.Stack where
 
@@ -15,13 +11,11 @@ import qualified XMonad.StackSet as S (filter)
 
 import Data.Maybe
 
-#ifdef VERSION_quickcheck_classes
 import Data.Proxy
 import Test.QuickCheck.Classes (
     Laws (lawsTypeclass, lawsProperties), Proxy1 (Proxy1),
     foldableLaws, traversableLaws,
     )
-#endif
 
 
 -- The list returned by index should be the same length as the actual
@@ -65,7 +59,6 @@ prop_differentiate xs =
     where _ = xs :: [Int]
 
 
-#ifdef VERSION_quickcheck_classes
 -- Check type class laws of 'Data.Foldable.Foldable' and 'Data.Traversable.Traversable'.
 newtype TestStack a = TestStack (Stack a)
     deriving (Eq, Read, Show, Foldable, Functor)
@@ -82,6 +75,3 @@ prop_laws_Stack = format (foldableLaws p) <> format (traversableLaws p)
     p = Proxy :: Proxy TestStack
     format laws = [ ("Stack: " <> lawsTypeclass laws <> ": " <> name, prop)
                   | (name, prop) <- lawsProperties laws ]
-#else
-prop_laws_Stack = []
-#endif

xmonad.cabal

@@ -1,5 +1,5 @@
 name:               xmonad
-version:            0.17.1
+version:            0.17.2
 synopsis:           A tiling window manager
 description:        xmonad is a tiling window manager for X. Windows are arranged
                     automatically to tile the screen without gaps or overlap, maximising
@@ -27,7 +27,7 @@ author:             Spencer Janssen, Don Stewart, Adam Vogt, David Roundy, Jason
                     Ondřej Súkup, Paul Hebble, Shachaf Ben-Kiki, Siim Põder, Tim McIver,
                     Trevor Elliott, Wouter Swierstra, Conrad Irwin, Tim Thelion, Tony Zorman
 maintainer:         xmonad@haskell.org
-tested-with:        GHC == 8.4.4 || == 8.6.5 || == 8.8.4 || == 8.10.7 || == 9.0.2 || == 9.2.2
+tested-with:        GHC == 8.6.5 || == 8.8.4 || == 8.10.7 || == 9.0.2 || == 9.2.7 || == 9.4.4 || == 9.6.1
 category:           System
 homepage:           http://xmonad.org
 bug-reports:        https://github.com/xmonad/xmonad/issues
@@ -54,8 +54,6 @@ flag pedantic
   default:     False
   manual:      True
 
-flag quickcheck-classes
-
 library
   exposed-modules: XMonad
                    XMonad.Config
@@ -83,7 +81,7 @@ library
   default-language: Haskell2010
 
   -- Keep this in sync with the oldest version in 'tested-with'
-  if impl(ghc > 8.4.4)
+  if impl(ghc > 8.6.5)
     ghc-options:   -Wno-unused-imports
 
   if flag(pedantic)
@@ -96,7 +94,7 @@ executable xmonad
   default-language: Haskell2010
 
   -- Keep this in sync with the oldest version in 'tested-with'
-  if impl(ghc > 8.4.4)
+  if impl(ghc > 8.6.5)
     ghc-options:   -Wno-unused-imports
 
   if flag(pedantic)
@@ -125,15 +123,11 @@ test-suite properties
   hs-source-dirs: tests
   build-depends:  base
                 , QuickCheck >= 2
+                , quickcheck-classes >= 0.4.3
                 , X11
                 , containers
                 , xmonad
   default-language: Haskell2010
 
-  if flag(quickcheck-classes) && impl(ghc > 8.5)
-    -- no quickcheck-classes in LTS-12
-    -- GHC 8.4 and lower needs too much boilerplate (Eq1, Show1, …)
-    build-depends: quickcheck-classes >= 0.4.3
-
   if flag(pedantic)
     ghc-options:   -Werror