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lix/corepkgs/fetchurl/fetchurl.sh.in

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#! /bin/sh
export PATH=/bin:/usr/bin
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echo "downloading $url into $out..."
prefetch=@prefix@/store/nix-prefetch-url-$md5
if test -f "$prefetch"; then
echo "using prefetched $prefetch";
mv $prefetch $out || exit 1
else
@wget@ "$url" -O "$out" || exit 1
fi
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actual=$(@bindir@/nix-hash --flat $out)
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if test "$actual" != "$md5"; then
echo "hash is $actual, expected $md5"
exit 1
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fi