$ git clone -n https://gitee.com/src-opencloudos-rpms/rhc.git /var/lib/mock/dist-oc8-build-74775-51265/root/chroot_tmpdir/scmroot/rhc
Cloning into '/var/lib/mock/dist-oc8-build-74775-51265/root/chroot_tmpdir/scmroot/rhc'...
$ git fetch origin 758d291f9f1ed17e265aa857cf180644914b5305:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rhc
 * [new ref]         758d291f9f1ed17e265aa857cf180644914b5305 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 758d291 import rhc-0.2.4-5.tl3