$ git clone -n https://src.fedoraproject.org/rpms/dnfdragora.git /var/lib/mock/f39-build-1502957-34952/root/chroot_tmpdir/scmroot/dnfdragora
Cloning into '/var/lib/mock/f39-build-1502957-34952/root/chroot_tmpdir/scmroot/dnfdragora'...
$ git fetch origin bd002515644c08ae49e904a186ccb1b77e432358:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnfdragora
 * [new ref]         bd002515644c08ae49e904a186ccb1b77e432358 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd00251 Version 2.1.4