$ git clone -n https://src.fedoraproject.org/rpms/perl-autovivification.git /var/lib/mock/f45-build-27651-625/root/chroot_tmpdir/scmroot/perl-autovivification
Cloning into '/var/lib/mock/f45-build-27651-625/root/chroot_tmpdir/scmroot/perl-autovivification'...
$ git fetch origin faa84c927d71538cbebbdcb5585ae1425ed37742:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-autovivification
 * [new ref]         faa84c927d71538cbebbdcb5585ae1425ed37742 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at faa84c9 Perl 5.44 rebuild