$ git clone -n https://src.fedoraproject.org/rpms/kf5-kunitconversion.git /var/lib/mock/f40-build-787322-134744/root/chroot_tmpdir/scmroot/kf5-kunitconversion
Cloning into '/var/lib/mock/f40-build-787322-134744/root/chroot_tmpdir/scmroot/kf5-kunitconversion'...
$ git fetch origin 41b733af50352b1ebfeaae0d3db1b0481c05ff01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kunitconversion
 * [new ref]         41b733af50352b1ebfeaae0d3db1b0481c05ff01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41b733a 5.115.0