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make sure cabal-install is compatible with Cabal
See haskell#9833 If a ghc ships with a compatible Cabal, it will be preferred by the solver on `cabal install cabal-install`; the new `cabal-install` should in fact be compatible. So we test this on release branches that have had at least one release on Hackage. (Ideally we'd check ghc instead, but we can't do that from GHA. Even checking Hackage is pretty painful.)
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name: Check sdist | ||
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# See: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency. | ||
concurrency: | ||
group: ${{ github.ref }}-${{ github.workflow }} | ||
cancel-in-progress: true | ||
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on: | ||
push: | ||
paths-ignore: | ||
- "doc/**" | ||
- "**/README.md" | ||
- "CONTRIBUTING.md" | ||
branches: | ||
- master | ||
pull_request: | ||
paths-ignore: | ||
- "doc/**" | ||
- "**/README.md" | ||
- "CONTRIBUTING.md" | ||
release: | ||
types: | ||
- created | ||
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jobs: | ||
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# 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, but should be the | ||
# *first* compiler release so we validate against what is hopefully the first | ||
# release of a corresponding Cabal and friends. it can also be short since it's | ||
# highly unlikely that we are releasing really old branches. | ||
ghc: | ||
[ | ||
"9.10.1", | ||
"9.8.1", | ||
"9.6.1", | ||
"9.4.1", | ||
] | ||
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steps: | ||
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- uses: haskell-actions/setup@v2 | ||
id: setup-haskell | ||
with: | ||
ghc-version: ${{ matrix.ghc }} | ||
cabal-version: latest | ||
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- uses: actions/checkout@v4 | ||
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- name: Make sdist | ||
run: cabal sdist cabal-install | ||
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- name: Install from sdist | ||
run: | | ||
# skip if a suitable Cabal isn't in this ghc's bootlibs, since that's the case | ||
# that causes failures for users (otherwise cabal-install will install a matching | ||
# version itself) | ||
# we only want to test cabal-install, to ensure that it works with existing Cabals | ||
# (don't look at this too closely) | ||
sdist="$(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.]*$,\1,p')" | ||
# dunno if this will ever be extended to freebsd, but grep -q is a gnu-ism | ||
if ghc-pkg --global --simple-output list Cabal | grep "^Cabal-$cbl\\." >/dev/null; then | ||
# sigh, someone broke installing from tarballs | ||
rm -rf cabal*.project Cabal Cabal-syntax cabal-install-solver cabal-install | ||
tar xfz "$sdist" | ||
cd "cabal-install-$cbl"* | ||
cabal install | ||
else | ||
echo No matching bootlib Cabal version to test against. | ||
exit 0 | ||
fi |