$ git clone -n https://src.fedoraproject.org/rpms/pimcommon.git /var/lib/mock/f42-bootstrap-3533852-46421/root/chroot_tmpdir/scmroot/pimcommon
Cloning into '/var/lib/mock/f42-bootstrap-3533852-46421/root/chroot_tmpdir/scmroot/pimcommon'...
$ git fetch origin e173610e66a63ee9d86895d898ee4427d175e727:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pimcommon
 * [new ref]         e173610e66a63ee9d86895d898ee4427d175e727 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e173610 25.04.1