$ git clone -n https://gitee.com/mgb01105731/mdadm.git /var/lib/mock/dist-an23.3-build-423422-72928/root/chroot_tmpdir/scmroot/mdadm
Cloning into '/var/lib/mock/dist-an23.3-build-423422-72928/root/chroot_tmpdir/scmroot/mdadm'...
$ git fetch origin e21a9c08ac8ead0dac97366b2c0e63a67ab5782b:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/mdadm
 * [new ref]         e21a9c08ac8ead0dac97366b2c0e63a67ab5782b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e21a9c0 Update to 4.3 from 4.2