$ git clone -n https://src.fedoraproject.org/rpms/kcharselect.git /var/lib/mock/f40-build-2199611-51750/root/chroot_tmpdir/scmroot/kcharselect
Cloning into '/var/lib/mock/f40-build-2199611-51750/root/chroot_tmpdir/scmroot/kcharselect'...
$ git fetch origin f85d54d1e4415cbed7f91d4968211ad0b597f819:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcharselect
 * [new ref]         f85d54d1e4415cbed7f91d4968211ad0b597f819 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f85d54d 24.01.85