lix/corepkgs/nix-pull/builder.sh.in

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#! @shell@ -e
export PATH=/bin:/usr/bin
mkdir $out
cat > $out/fetch <<EOF
#! @shell@ -e
export PATH=/bin:/usr/bin
echo "downloading \$2..."
export PRINT_PATH=1
result=(\$(@bindir@/nix-prefetch-url \$2))
hash=\${result[0]}
path=\${result[1]}
if test "\$hash" != "\$3"; then
echo "hash is \$hash, expected \$3"
exit 1
fi
echo "unpacking into \$1..."
if ! @bunzip2@ < "\$path" | @bindir@/nix-store --restore "\$1"; then
exit 1
fi
exit 0
EOF
chmod +x $out/fetch