depot/third_party/nixpkgs/pkgs/build-support/nuke-references/builder.sh
Default email 8ac5e011d6 Project import generated by Copybara.
GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
2020-04-24 19:36:52 -04:00

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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" | $perl/bin/perl -ne "print \"\\\$1\" if m|^\Q$NIX_STORE\E/([a-z0-9]{32})-.*|")
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" | $perl/bin/perl -pe "s|\Q$NIX_STORE\E/\$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