$ git clone -n https://gitee.com/dtcccccc/plugsched_rpmsrc.git /var/lib/mock/dist-an23-build-290869-64987/root/chroot_tmpdir/scmroot/plugsched_rpmsrc
Cloning into '/var/lib/mock/dist-an23-build-290869-64987/root/chroot_tmpdir/scmroot/plugsched_rpmsrc'...
$ git fetch origin 0a0969b20f733d8000a796dce2b7845b54c979c8:KOJI_FETCH_HEAD
From https://gitee.com/dtcccccc/plugsched_rpmsrc
 * [new ref]         0a0969b20f733d8000a796dce2b7845b54c979c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a0969b src: add the spec and tarball of plugsched