$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-Destruct-Level.git /var/lib/mock/f45-build-25856-613/root/chroot_tmpdir/scmroot/perl-Perl-Destruct-Level
Cloning into '/var/lib/mock/f45-build-25856-613/root/chroot_tmpdir/scmroot/perl-Perl-Destruct-Level'...
$ git fetch origin 1e89649987fda2d24fa5cc1d608cce44b930dcc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-Destruct-Level
 * [new ref]         1e89649987fda2d24fa5cc1d608cce44b930dcc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e89649 Perl 5.44 rebuild