$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcolorscheme.git /var/lib/mock/f42-build-861987-170551/root/chroot_tmpdir/scmroot/kf6-kcolorscheme
Cloning into '/var/lib/mock/f42-build-861987-170551/root/chroot_tmpdir/scmroot/kf6-kcolorscheme'...
$ git fetch origin 6abf08593b4fb0db94f7df79d3e594df81f733e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcolorscheme
 * [new ref]         6abf08593b4fb0db94f7df79d3e594df81f733e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6abf085 6.8.0