$ git clone -n https://src.fedoraproject.org/rpms/perl-Socket-Netlink.git /var/lib/mock/f45-build-26193-616/root/chroot_tmpdir/scmroot/perl-Socket-Netlink
Cloning into '/var/lib/mock/f45-build-26193-616/root/chroot_tmpdir/scmroot/perl-Socket-Netlink'...
$ git fetch origin 5d80ee47e416e9d219e6d5768ef48edcd7564542:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Socket-Netlink
 * [new ref]         5d80ee47e416e9d219e6d5768ef48edcd7564542 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d80ee4 Perl 5.44 rebuild