$ git clone -n https://src.fedoraproject.org/rpms/perl-Socket-Netlink-Route.git /var/lib/mock/f45-build-26222-616/root/chroot_tmpdir/scmroot/perl-Socket-Netlink-Route
Cloning into '/var/lib/mock/f45-build-26222-616/root/chroot_tmpdir/scmroot/perl-Socket-Netlink-Route'...
$ git fetch origin 37b162f675769b17cd9dc739244c8341fb8a006d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Socket-Netlink-Route
 * [new ref]         37b162f675769b17cd9dc739244c8341fb8a006d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37b162f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild