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‎.github/workflows/fourmolu.yaml

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name: Fourmolu
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on: push
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jobs:
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format:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- uses: haskell-actions/run-fourmolu@v10
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with:
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version: "0.15.0.0"

‎.github/workflows/haskell-ci.yml

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# This GitHub workflow config has been generated by a script via
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#
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# haskell-ci 'github' '--config=cabal.haskell-ci' 'cabal.project'
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#
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# To regenerate the script (for example after adjusting tested-with) run
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#
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# haskell-ci regenerate
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#
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# For more information, see https://github.com/haskell-CI/haskell-ci
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#
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# version: 0.19.20240708
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#
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# REGENDATA ("0.19.20240708",["github","--config=cabal.haskell-ci","cabal.project"])
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#
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name: Haskell-CI
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on:
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push:
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branches:
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- master
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pull_request:
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branches:
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- master
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jobs:
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linux:
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name: Haskell-CI - Linux - ${{ matrix.compiler }}
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runs-on: ubuntu-20.04
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timeout-minutes:
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60
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container:
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image: buildpack-deps:jammy
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continue-on-error: ${{ matrix.allow-failure }}
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strategy:
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matrix:
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include:
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- compiler: ghc-9.10.1
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compilerKind: ghc
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compilerVersion: 9.10.1
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-9.8.2
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compilerKind: ghc
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compilerVersion: 9.8.2
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-9.6.6
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compilerKind: ghc
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compilerVersion: 9.6.6
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-9.4.8
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compilerKind: ghc
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compilerVersion: 9.4.8
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-9.2.8
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compilerKind: ghc
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compilerVersion: 9.2.8
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-9.0.2
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compilerKind: ghc
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compilerVersion: 9.0.2
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setup-method: ghcup
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allow-failure: false
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- compiler: ghc-8.10.7
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compilerKind: ghc
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compilerVersion: 8.10.7
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setup-method: ghcup
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allow-failure: false
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fail-fast: false
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steps:
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- name: apt
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run: |
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apt-get update
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apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
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mkdir -p "$HOME/.ghcup/bin"
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curl -sL https://downloads.haskell.org/ghcup/0.1.30.0/x86_64-linux-ghcup-0.1.30.0 > "$HOME/.ghcup/bin/ghcup"
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chmod a+x "$HOME/.ghcup/bin/ghcup"
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"$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
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"$HOME/.ghcup/bin/ghcup" install cabal 3.12.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
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env:
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HCKIND: ${{ matrix.compilerKind }}
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HCNAME: ${{ matrix.compiler }}
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HCVER: ${{ matrix.compilerVersion }}
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- name: Set PATH and environment variables
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run: |
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echo "$HOME/.cabal/bin" >> $GITHUB_PATH
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echo "LANG=C.UTF-8" >> "$GITHUB_ENV"
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echo "CABAL_DIR=$HOME/.cabal" >> "$GITHUB_ENV"
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echo "CABAL_CONFIG=$HOME/.cabal/config" >> "$GITHUB_ENV"
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HCDIR=/opt/$HCKIND/$HCVER
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HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
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HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
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HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
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echo "HC=$HC" >> "$GITHUB_ENV"
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echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
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echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
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echo "CABAL=$HOME/.ghcup/bin/cabal-3.12.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
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HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
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echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
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echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
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echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
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echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
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echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
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echo "GHCJSARITH=0" >> "$GITHUB_ENV"
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env:
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HCKIND: ${{ matrix.compilerKind }}
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HCNAME: ${{ matrix.compiler }}
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HCVER: ${{ matrix.compilerVersion }}
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- name: env
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run: |
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env
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- name: write cabal config
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run: |
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mkdir -p $CABAL_DIR
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cat >> $CABAL_CONFIG <<EOF
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remote-build-reporting: anonymous
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write-ghc-environment-files: never
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remote-repo-cache: $CABAL_DIR/packages
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logs-dir: $CABAL_DIR/logs
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world-file: $CABAL_DIR/world
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extra-prog-path: $CABAL_DIR/bin
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symlink-bindir: $CABAL_DIR/bin
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installdir: $CABAL_DIR/bin
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build-summary: $CABAL_DIR/logs/build.log
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store-dir: $CABAL_DIR/store
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install-dirs user
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prefix: $CABAL_DIR
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repository hackage.haskell.org
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url: http://hackage.haskell.org/
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EOF
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cat >> $CABAL_CONFIG <<EOF
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program-default-options
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ghc-options: $GHCJOBS +RTS -M3G -RTS
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EOF
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cat $CABAL_CONFIG
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- name: versions
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run: |
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$HC --version || true
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$HC --print-project-git-commit-id || true
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$CABAL --version || true
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- name: update cabal index
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run: |
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$CABAL v2-update -v
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- name: install cabal-plan
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run: |
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mkdir -p $HOME/.cabal/bin
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curl -sL https://github.com/haskell-hvr/cabal-plan/releases/download/v0.7.3.0/cabal-plan-0.7.3.0-x86_64-linux.xz > cabal-plan.xz
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echo 'f62ccb2971567a5f638f2005ad3173dba14693a45154c1508645c52289714cb2 cabal-plan.xz' | sha256sum -c -
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xz -d < cabal-plan.xz > $HOME/.cabal/bin/cabal-plan
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rm -f cabal-plan.xz
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chmod a+x $HOME/.cabal/bin/cabal-plan
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cabal-plan --version
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- name: checkout
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uses: actions/checkout@v4
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with:
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path: source
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- name: initial cabal.project for sdist
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run: |
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touch cabal.project
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echo "packages: $GITHUB_WORKSPACE/source/." >> cabal.project
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cat cabal.project
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- name: sdist
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run: |
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mkdir -p sdist
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$CABAL sdist all --output-dir $GITHUB_WORKSPACE/sdist
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- name: unpack
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run: |
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mkdir -p unpacked
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find sdist -maxdepth 1 -type f -name '*.tar.gz' -exec tar -C $GITHUB_WORKSPACE/unpacked -xzvf {} \;
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- name: generate cabal.project
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run: |
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PKGDIR_memory_cache="$(find "$GITHUB_WORKSPACE/unpacked" -maxdepth 1 -type d -regex '.*/memory-cache-[0-9.]*')"
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echo "PKGDIR_memory_cache=${PKGDIR_memory_cache}" >> "$GITHUB_ENV"
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rm -f cabal.project cabal.project.local
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touch cabal.project
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touch cabal.project.local
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echo "packages: ${PKGDIR_memory_cache}" >> cabal.project
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echo "package memory-cache" >> cabal.project
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echo " ghc-options: -Werror=missing-methods" >> cabal.project
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cat >> cabal.project <<EOF
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EOF
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$HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(memory-cache)$/; }' >> cabal.project.local
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cat cabal.project
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cat cabal.project.local
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- name: dump install plan
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run: |
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$CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dry-run all
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cabal-plan
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- name: restore cache
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uses: actions/cache/restore@v4
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with:
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key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
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path: ~/.cabal/store
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restore-keys: ${{ runner.os }}-${{ matrix.compiler }}-
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- name: install dependencies
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run: |
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$CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --dependencies-only -j2 all
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$CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH --dependencies-only -j2 all
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- name: build w/o tests
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run: |
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$CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
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- name: build
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run: |
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$CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --write-ghc-environment-files=always
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- name: cabal check
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run: |
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cd ${PKGDIR_memory_cache} || false
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${CABAL} -vnormal check
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- name: haddock
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run: |
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$CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
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- name: unconstrained build
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run: |
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rm -f cabal.project.local
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$CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks all
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- name: save cache
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uses: actions/cache/save@v4
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if: always()
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with:
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key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
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path: ~/.cabal/store

‎.github/workflows/hlint.yaml

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name: HLint
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on: push
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jobs:
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hlint:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: 'Set up HLint'
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uses: haskell-actions/hlint-setup@v2
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with:
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version: '3.8'
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- name: 'Run HLint'
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uses: haskell-actions/hlint-run@v2
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with:
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path: .
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fail-on: warning

‎.gitignore

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*~
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*.swp
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dist-*
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dist
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.ghc.environment.*
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.stack-work/
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stack.yaml
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stack.yaml.lock
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cabal.project.local

‎.hlint.yaml

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# HLint configuration file
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# https://github.com/ndmitchell/hlint
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##########################
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# Replace a $ b $ c with a . b $ c
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- group: {name: dollar, enabled: true}
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- ignore: {name: "Functor law"}
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- ignore: {name: "Redundant do"}
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- ignore: {name: "Use <=<"}
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- ignore: {name: "Use camelCase"}
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- warn: {lhs: fmap f $ g, rhs: f <$> g}
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- warn: {lhs: maybe x identity, rhs: fromMaybe x}
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- warn: {lhs: return, rhs: pure}

‎CHANGELOG.md

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# Revision history for memory-cache
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## 1.0.0.0 -- YYYY-mm-dd
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* Initial version.

‎LICENSE

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Copyright (c) 2024, Scrive AB
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎cabal.haskell-ci

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branches: master
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tests: True

‎cabal.project

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packages: .

‎fourmolu.yaml

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# Number of spaces per indentation step
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indentation: 2
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# Max line length for automatic line breaking
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column-limit: none
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# Styling of arrows in type signatures (choices: trailing, leading, or leading-args)
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function-arrows: leading
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# How to place commas in multi-line lists, records, etc. (choices: leading or trailing)
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comma-style: leading
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# Styling of import/export lists (choices: leading, trailing, or diff-friendly)
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import-export-style: leading
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# Whether to full-indent or half-indent 'where' bindings past the preceding body
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indent-wheres: true
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# Whether to leave a space before an opening record brace
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record-brace-space: true
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# Number of spaces between top-level declarations
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newlines-between-decls: 1
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# How to print Haddock comments (choices: single-line, multi-line, or multi-line-compact)
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haddock-style: single-line
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# How to print module docstring
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haddock-style-module: null
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# Styling of let blocks (choices: auto, inline, newline, or mixed)
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let-style: inline
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# How to align the 'in' keyword with respect to the 'let' keyword (choices: left-align, right-align, or no-space)
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in-style: no-space
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# Whether to put parentheses around a single constraint (choices: auto, always, or never)
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single-constraint-parens: never
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# Whether to put parentheses around a single deriving class (choices: auto, always, or never)
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single-deriving-parens: always
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# Output Unicode syntax (choices: detect, always, or never)
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unicode: never
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# Give the programmer more choice on where to insert blank lines
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respectful: true
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# Fixity information for operators
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fixities: []
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# Module reexports Fourmolu should know about
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reexports: []

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