22 lines
795 B
Bash
22 lines
795 B
Bash
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#! /usr/bin/env nix-shell
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#! nix-shell -i bash -p nix curl jq nix-prefetch-github -I nixpkgs=.
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# See regenerate-hackage-packages.sh for details on the purpose of this script.
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set -euo pipefail
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pin_file=pkgs/data/misc/hackage/pin.json
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current_commit="$(jq -r .commit $pin_file)"
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head_commit="$(curl -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/commercialhaskell/all-cabal-hashes/branches/hackage | jq -r .commit.sha)"
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if [ "$current_commit" != "$head_commit" ]; then
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url="https://github.com/commercialhaskell/all-cabal-hashes/archive/$head_commit.tar.gz"
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hash="$(nix-prefetch-url "$url")"
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jq -n \
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--arg commit "$head_commit" \
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--arg hash "$hash" \
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--arg url "$url" \
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'{commit: $commit, url: $url, sha256: $hash}' \
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> $pin_file
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fi
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