$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdelibs4support.git /var/lib/mock/f40-build-743483-111225/root/chroot_tmpdir/scmroot/kf5-kdelibs4support
Cloning into '/var/lib/mock/f40-build-743483-111225/root/chroot_tmpdir/scmroot/kf5-kdelibs4support'...
$ git fetch origin 1107cdfe8f40ab9285ebc4ee00d6a1062bed19e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdelibs4support
 * [new ref]         1107cdfe8f40ab9285ebc4ee00d6a1062bed19e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1107cdf 5.111.0