$ git clone -n https://src.fedoraproject.org/rpms/kde-cli-tools.git /var/lib/mock/f42-build-side-1-3580394-46823/root/chroot_tmpdir/scmroot/kde-cli-tools
Cloning into '/var/lib/mock/f42-build-side-1-3580394-46823/root/chroot_tmpdir/scmroot/kde-cli-tools'...
$ git fetch origin fed7d61903fc3dc16ca6de749a9e5e1129bf00df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-cli-tools
 * [new ref]         fed7d61903fc3dc16ca6de749a9e5e1129bf00df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fed7d61 6.4.1