$ git clone -n https://gitee.com/dtcccccc/plugsched_rpmsrc.git /var/lib/mock/dist-an23-build-292696-65148/root/chroot_tmpdir/scmroot/plugsched_rpmsrc
Cloning into '/var/lib/mock/dist-an23-build-292696-65148/root/chroot_tmpdir/scmroot/plugsched_rpmsrc'...
$ git fetch origin 0d4bfba4adcb6805ee254b098a378079153c3d08:KOJI_FETCH_HEAD
From https://gitee.com/dtcccccc/plugsched_rpmsrc
 * [new ref]         0d4bfba4adcb6805ee254b098a378079153c3d08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d4bfba src: add the spec and tarball of plugsched