$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Tk.git /var/lib/mock/dist-oc9-build-125859-75457/root/chroot_tmpdir/scmroot/perl-Tk
Cloning into '/var/lib/mock/dist-oc9-build-125859-75457/root/chroot_tmpdir/scmroot/perl-Tk'...
$ git fetch origin 60e7b4c26e45f1b96afaa66357774a07f83cfa6b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Tk
 * [new ref]         60e7b4c26e45f1b96afaa66357774a07f83cfa6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60e7b4c import perl-Tk-804.036-9.tl4