$ git clone -n https://src.fedoraproject.org/rpms/dbcsr.git /var/lib/mock/f42-build-3528292-46309/root/chroot_tmpdir/scmroot/dbcsr
Cloning into '/var/lib/mock/f42-build-3528292-46309/root/chroot_tmpdir/scmroot/dbcsr'...
$ git fetch origin aa35486eb25bc3ffdbef8db81ab11ef88c87eb9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dbcsr
 * [new ref]         aa35486eb25bc3ffdbef8db81ab11ef88c87eb9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa35486 Update to 2.8.0