$ git clone -n https://src.fedoraproject.org/rpms/kde-cli-tools.git /var/lib/mock/f42-bootstrap-3533714-46421/root/chroot_tmpdir/scmroot/kde-cli-tools
Cloning into '/var/lib/mock/f42-bootstrap-3533714-46421/root/chroot_tmpdir/scmroot/kde-cli-tools'...
$ git fetch origin 1a877fbe21911f65109d3ea4067ec5b1c3fa8c42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-cli-tools
 * [new ref]         1a877fbe21911f65109d3ea4067ec5b1c3fa8c42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a877fb 6.3.5