$ git clone -n https://src.fedoraproject.org/rpms/kcolorchooser.git /var/lib/mock/f40-build-2005445-45071/root/chroot_tmpdir/scmroot/kcolorchooser
Cloning into '/var/lib/mock/f40-build-2005445-45071/root/chroot_tmpdir/scmroot/kcolorchooser'...
$ git fetch origin 3eb769f9e78f75940cc3f8d3ea3381e12eb71710:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcolorchooser
 * [new ref]         3eb769f9e78f75940cc3f8d3ea3381e12eb71710 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3eb769f 24.01.80