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ormolu/extract-hackage-info.sh

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#!/usr/bin/env bash
set -e
WDIR=$(mktemp -d)
HOOGLE_DATABASE="$WDIR/hoogle-database/"
HACKAGE_DATABASE="$WDIR/hackage-database.html"
OUTPUT="$WDIR/hackage-info.json"
trap cleanup 0 1 2 3 15
cleanup()
{
rm -rf "$WDIR"; exit
}
EXTRACTION_APP="$(nix-build -A extractHackageInfo --no-out-link)/bin/extract-hackage-info"
mkdir "$HOOGLE_DATABASE"
curl "https://hackage.haskell.org/packages/hoogle.tar.gz" | tar -xz -C "$HOOGLE_DATABASE"
curl "https://hackage.haskell.org/packages/top" -o "$HACKAGE_DATABASE"
"$EXTRACTION_APP" "$HOOGLE_DATABASE" "$HACKAGE_DATABASE" -o "$OUTPUT"
cp "$OUTPUT" "extract-hackage-info/hackage-info.json"
cleanup