$ git clone -n https://src.fedoraproject.org/rpms/pimcommon.git /var/lib/mock/f42-bootstrap-3534193-46467/root/chroot_tmpdir/scmroot/pimcommon
Cloning into '/var/lib/mock/f42-bootstrap-3534193-46467/root/chroot_tmpdir/scmroot/pimcommon'...
$ git fetch origin b38eb4032117fc78796ffc293836d81f054575fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pimcommon
 * [new ref]         b38eb4032117fc78796ffc293836d81f054575fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b38eb40 25.04.2