nixpkgs/pkgs/build-support/nuke-references/builder.sh
2015-10-18 18:41:11 +03:00

30 lines
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source $stdenv/setup
mkdir -p $out/bin
cat > $out/bin/nuke-refs <<EOF
#! $SHELL -e
excludes=""
while getopts e: o; do
case "\$o" in
e) storeId=\$(echo "\$OPTARG" | sed -n "s|^$NIX_STORE/\\([a-z0-9]\{32\}\\)-.*|\1|p")
if [ -z "\$storeId" ]; then
echo "-e argument must be a Nix store path"
exit 1
fi
excludes="\$excludes(?!\$storeId)"
;;
esac
done
shift \$((\$OPTIND-1))
for i in "\$@"; do
if test ! -L "\$i" -a -f "\$i"; then
cat "\$i" | $perl/bin/perl -pe "s|$NIX_STORE/\$excludes[a-z0-9]{32}-|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" > "\$i.tmp"
if test -x "\$i"; then chmod +x "\$i.tmp"; fi
mv "\$i.tmp" "\$i"
fi
done
EOF
chmod +x $out/bin/nuke-refs