mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-23 22:23:15 +00:00
58 lines
1.7 KiB
Bash
Executable File
58 lines
1.7 KiB
Bash
Executable File
#! /usr/bin/env nix-shell
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#! nix-shell -i bash -p nix curl jq nix-prefetch-github git gnused gnugrep -I nixpkgs=.
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set -eu -o pipefail
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tmpfile=$(mktemp "update-stackage.XXXXXXX")
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# shellcheck disable=SC2064
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stackage_config="pkgs/development/haskell-modules/configuration-hackage2nix/stackage.yaml"
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trap "rm ${tmpfile} ${tmpfile}.new" 0
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touch "$tmpfile" "$tmpfile.new" # Creating files here so that trap creates no errors.
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curl -L -s "https://stackage.org/lts/cabal.config" >"$tmpfile"
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old_version=$(grep "# Stackage" $stackage_config | sed -E 's/.*([0-9]{2}\.[0-9]+)/\1/')
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version=$(sed -rn "s/^--.*http:..(www.)?stackage.org.snapshot.lts-//p" "$tmpfile")
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if [[ "$old_version" == "$version" ]]; then
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echo "No new stackage version"
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exit 0 # Nothing to do
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fi
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echo "Updating Stackage LTS from $old_version to $version."
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# Create a simple yaml version of the file.
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sed -r \
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-e '/^--/d' \
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-e 's|^constraints:||' \
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-e 's|^ +| - |' \
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-e 's|,$||' \
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-e '/installed$/d' \
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-e '/^$/d' \
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< "${tmpfile}" | sort --ignore-case >"${tmpfile}.new"
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cat > $stackage_config << EOF
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# Stackage LTS $version
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# This file is auto-generated by
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# maintainers/scripts/haskell/update-stackage.sh
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default-package-overrides:
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EOF
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# Drop restrictions on some tools where we always want the latest version.
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sed -r \
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-e '/ cabal2nix /d' \
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-e '/ distribution-nixpkgs /d' \
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-e '/ jailbreak-cabal /d' \
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-e '/ language-nix /d' \
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< "${tmpfile}.new" >> $stackage_config
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if [[ "${1:-}" == "--do-commit" ]]; then
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git add $stackage_config
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git commit -F - << EOF
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haskellPackages: stackage-lts $old_version -> $version
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This commit has been generated by maintainers/scripts/haskell/update-stackage.sh
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EOF
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fi
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