corepkgs/fetchurl/fetchurl.sh.in


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#! /bin/sh

export PATH=/bin:/usr/bin

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

actual=$(@bindir@/nix-hash --flat $out)
if test "$actual" != "$md5"; then
    echo "hash is $actual, expected $md5"
    exit 1
fi