General maintenance, prepare for release

.github/workflows/haskell-ci.yml

@@ -1,74 +1,92 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci 'github' 'friendly.cabal'
+#   haskell-ci 'github' 'cabal.project.ci'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
 #   haskell-ci regenerate
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.17.20240109
+# version: 0.19.20250710
 #
-# REGENDATA ("0.17.20240109",["github","friendly.cabal"])
+# REGENDATA ("0.19.20250710",["github","cabal.project.ci"])
 #
 name: Haskell-CI
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes:
       60
     container:
-      image: buildpack-deps:bionic
+      image: buildpack-deps:jammy
     continue-on-error: ${{ matrix.allow-failure }}
     strategy:
       matrix:
         include:
-          - compiler: ghc-9.8.1
+          - compiler: ghc-9.12.2
             compilerKind: ghc
-            compilerVersion: 9.8.1
+            compilerVersion: 9.12.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.6.4
+          - compiler: ghc-9.10.2
             compilerKind: ghc
-            compilerVersion: 9.6.4
+            compilerVersion: 9.10.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.4.8
+          - compiler: ghc-9.8.4
             compilerKind: ghc
-            compilerVersion: 9.4.8
+            compilerVersion: 9.8.4
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.2.8
+          - compiler: ghc-9.6.7
             compilerKind: ghc
-            compilerVersion: 9.2.8
+            compilerVersion: 9.6.7
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.0.2
+          - compiler: ghc-9.4.8
             compilerKind: ghc
-            compilerVersion: 9.0.2
+            compilerVersion: 9.4.8
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-8.10.7
+          - compiler: ghc-9.2.8
             compilerKind: ghc
-            compilerVersion: 8.10.7
+            compilerVersion: 9.2.8
             setup-method: ghcup
             allow-failure: false
       fail-fast: false
     steps:
-      - name: apt
+      - name: apt-get install
         run: |
           apt-get update
           apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
+      - name: Install GHCup
+        run: |
           mkdir -p "$HOME/.ghcup/bin"
-          curl -sL https://downloads.haskell.org/ghcup/0.1.20.0/x86_64-linux-ghcup-0.1.20.0 > "$HOME/.ghcup/bin/ghcup"
+          curl -sL https://downloads.haskell.org/ghcup/0.1.50.1/x86_64-linux-ghcup-0.1.50.1 > "$HOME/.ghcup/bin/ghcup"
           chmod a+x "$HOME/.ghcup/bin/ghcup"
+      - name: Install cabal-install
+        run: |
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.14.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.14.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
+      - name: Install GHC (GHCup)
+        if: matrix.setup-method == 'ghcup'
+        run: |
           "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
-          "$HOME/.ghcup/bin/ghcup" install cabal 3.10.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
+          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
+          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
+          echo "HC=$HC" >> "$GITHUB_ENV"
+          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
+          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
@@ -79,21 +97,12 @@ jobs:
           echo "LANG=C.UTF-8" >> "$GITHUB_ENV"
           echo "CABAL_DIR=$HOME/.cabal" >> "$GITHUB_ENV"
           echo "CABAL_CONFIG=$HOME/.cabal/config" >> "$GITHUB_ENV"
-          HCDIR=/opt/$HCKIND/$HCVER
-          HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
-          HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
-          HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
-          echo "HC=$HC" >> "$GITHUB_ENV"
-          echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
-          echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
           HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
           echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
           echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
           echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
           echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
           echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
-          echo "GHCJSARITH=0" >> "$GITHUB_ENV"
         env:
           HCKIND: ${{ matrix.compilerKind }}
           HCNAME: ${{ matrix.compiler }}
@@ -143,7 +152,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -168,18 +177,24 @@ jobs:
           touch cabal.project.local
           echo "packages: ${PKGDIR_friendly}" >> cabal.project
           echo "package friendly" >> cabal.project
-          echo "    ghc-options: -Werror=missing-methods" >> cabal.project
+          echo "    ghc-options: -Werror=missing-methods -Werror=missing-fields" >> cabal.project
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "package friendly" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "    ghc-options: -Werror=unused-packages" >> cabal.project ; fi
+          echo "package friendly" >> cabal.project
+          echo "    ghc-options: -Werror=incomplete-patterns -Werror=incomplete-uni-patterns" >> cabal.project
           cat >> cabal.project <<EOF
+          package friendly
+            ghc-options: -Werror
           EOF
-          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(friendly)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(friendly)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan
         run: |
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
           cabal-plan
       - name: restore cache
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
@@ -206,8 +221,8 @@ jobs:
           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()
+        uses: actions/cache/save@v4
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store

.gitignore

@@ -1,4 +1,2 @@
-dist/
 dist-newstyle/
-.ghc.environment.*
 .envrc

ChangeLog.md

@@ -1,5 +1,10 @@
 # Revision history for friendly
 
+## 0.1.1 -- 2025-07-19
+
+* Relax dependencies
+* Drop support for `ghc < 9.2`
+
 ## 0.1.0.4 -- 2024-01-18
 
 * Relax bounds (support ghc up to 9.8)

cabal.haskell-ci

@@ -0,0 +1,2 @@
+branches: master
+copy-fields: all

cabal.project

@@ -0,0 +1,3 @@
+packages: .
+
+package friendly

cabal.project.ci

@@ -0,0 +1,4 @@
+packages: .
+
+package friendly
+  ghc-options: -Werror

friendly.cabal

@@ -1,36 +1,42 @@
+cabal-version:       2.2
 name:                friendly
-version:             0.1.0.4
+version:             0.1.1
 synopsis:            Attempt to pretty-print any input
 description:         The friendly executable copies standard input
                      to standard output, attempting to pretty-print the
                      input without actually requiring that the input
                      is well-formed in any way.
-license:             BSD3
+license:             BSD-3-Clause
 license-file:        LICENSE
 author:              Edsko de Vries
 maintainer:          edsko@well-typed.com
 copyright:           Edsko de Vries
 category:            Development
 build-type:          Simple
-extra-source-files:  ChangeLog.md
-cabal-version:       >=1.10
-tested-with:         GHC==8.10.7
-                   , GHC==9.0.2
-                   , GHC==9.2.8
-                   , GHC==9.4.8
-                   , GHC==9.6.4
-                   , GHC==9.8.1
+extra-doc-files:     ChangeLog.md
+tested-with:         GHC==9.2.8
+                     GHC==9.4.8
+                     GHC==9.6.7
+                     GHC==9.8.4
+                     GHC==9.10.2
+                     GHC==9.12.2
 
 source-repository head
   type: git
   location: https://github.com/edsko/friendly
 
+common lang
+  build-depends:    base >= 4.16 && < 4.22
+  default-language: GHC2021
+
+  ghc-options:
+      -Wall
+      -Wprepositive-qualified-module
+      -Wredundant-constraints
+      -Wunused-packages
+
 executable friendly
-  main-is:             Main.hs
-  build-depends:       base                 >= 4.7  && < 4.20
-                     , bifunctors           >= 4.2  && < 5.7
-                     , optparse-applicative >= 0.11 && < 0.19
-  hs-source-dirs:      src
-  default-language:    Haskell2010
-  default-extensions:  MultiWayIf
-  ghc-options:         -Wall
+  import:         lang
+  main-is:        Main.hs
+  hs-source-dirs: src
+  build-depends:  optparse-applicative >= 0.11 && < 0.20