$ git clone -n https://gitee.com/lxpzero/rrdtool.git /var/lib/mock/dist-an23.3-build-427590-73018/root/chroot_tmpdir/scmroot/rrdtool
Cloning into '/var/lib/mock/dist-an23.3-build-427590-73018/root/chroot_tmpdir/scmroot/rrdtool'...
$ git fetch origin 08d7118e2b6d1b03399abcf624f30f730d3551d3:KOJI_FETCH_HEAD
From https://gitee.com/lxpzero/rrdtool
 * [new ref]         08d7118e2b6d1b03399abcf624f30f730d3551d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08d7118 Rebuild with new ruby