$ git clone -n https://src.fedoraproject.org/rpms/uARMSolver.git /var/lib/mock/f39-build-2189820-51422/root/chroot_tmpdir/scmroot/uARMSolver
Cloning into '/var/lib/mock/f39-build-2189820-51422/root/chroot_tmpdir/scmroot/uARMSolver'...
$ git fetch origin d5df299c639a6a2d88b8825d7f769f81af885430:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uARMSolver
 * [new ref]         d5df299c639a6a2d88b8825d7f769f81af885430 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5df299 Update to 0.2.6