$ git clone -n https://src.fedoraproject.org/rpms/stalld.git /var/lib/mock/f41-build-859094-168551/root/chroot_tmpdir/scmroot/stalld
Cloning into '/var/lib/mock/f41-build-859094-168551/root/chroot_tmpdir/scmroot/stalld'...
$ git fetch origin d258e3bf21a7cd27acc6498548dd6c3e3c692c33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stalld
 * [new ref]         d258e3bf21a7cd27acc6498548dd6c3e3c692c33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d258e3b update to version 1.19.6