$ git clone -n https://src.fedoraproject.org/rpms/kontactinterface.git /var/lib/mock/f42-build-side-1-3582590-46885/root/chroot_tmpdir/scmroot/kontactinterface
Cloning into '/var/lib/mock/f42-build-side-1-3582590-46885/root/chroot_tmpdir/scmroot/kontactinterface'...
$ git fetch origin c9f747c955ed205637652f3e475e480145fdeb9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontactinterface
 * [new ref]         c9f747c955ed205637652f3e475e480145fdeb9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9f747c 25.04.3