$ git clone -n https://src.fedoraproject.org/rpms/perl-DBD-XBase.git /var/lib/mock/f41-build-1250883-22988/root/chroot_tmpdir/scmroot/perl-DBD-XBase
Cloning into '/var/lib/mock/f41-build-1250883-22988/root/chroot_tmpdir/scmroot/perl-DBD-XBase'...
$ git fetch origin beb4fc35fdd3e9895b415c2609b387cf0370517b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBD-XBase
 * [new ref]         beb4fc35fdd3e9895b415c2609b387cf0370517b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at beb4fc3 Eliminate use of obsolete %patchN syntax (#2283636)