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make sure cabal-install is compatible with Cabal #6

make sure cabal-install is compatible with Cabal

make sure cabal-install is compatible with Cabal #6

Workflow file for this run

name: Check sdist
# See: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency.
concurrency:
group: ${{ github.ref }}-${{ github.workflow }}
cancel-in-progress: true
on:
push:
paths-ignore:
- "doc/**"
- "**/README.md"
- "CONTRIBUTING.md"
branches:
- master
pull_request:
paths-ignore:
- "doc/**"
- "**/README.md"
- "CONTRIBUTING.md"
release:
types:
- created
workflow_call:
jobs:
# Dogfood the generated sdist, to avoid bugs like https://github.com/haskell/cabal/issues/9833
# No caching, since the point is to verify they can be installed "from scratch"
# Don't run on master or a PR targeting master, because there's never an installable Cabal
dogfood-sdists:
name: Dogfood sdist on ${{ matrix.os }} ghc-${{ matrix.ghc }}
# if: github.ref != 'refs/heads/master' && github.base_ref != 'master'
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ubuntu-latest]
# this should be kept up to date with the list in validate.yml
# sharing these with the main validate job is possible but extremely painful; sadly,
# you can't simply reference another job's matrix
ghc:
[
"9.10.1",
"9.8.2",
"9.6.4",
"9.4.8",
"9.2.8",
"9.0.2",
"8.10.7",
"8.8.4",
]
steps:
- uses: haskell-actions/setup@v2
id: setup-haskell
with:
ghc-version: ${{ matrix.ghc }}
cabal-version: latest
- uses: actions/checkout@v4
- name: Make sdist
run: cabal sdist cabal-install
- name: Install from sdist
run: |
# skip if a suitable Cabal isn't in the index (i.e. new major version, not released yet)
# we only want to test cabal-install, to ensure that it works with existing Cabals
# (don't look at this too closely)
sdist="$(ls dist-newstyle/sdist/cabal-install-*.tar.gz | sed -n '\,^dist-newstyle/sdist/cabal-install-[0-9.]*\.tar\.gz$,{;p;q;}')"
# extract the cabal-install major version
ver="$(echo "$sdist" | sed -n 's,^dist-newstyle/sdist/cabal-install-\([0-9][0-9]*\.[0-9][0-9]*\)\.[0-9.]*$,\1,p')"
# why does `cabal list` force me to do this???
#@@@ temporarily always run to ensure this doesn't pull Cabal from the tree
#if cabal list --simple-output Cabal | grep -q "^Cabal $cbl\\."; then
# I sure hope this works…
cabal build "$sdist" --prefer-oldest --ignore-project
#else
# echo No released Cabal version to test against.
# exit 0
#fi