$ git clone -n https://gitee.com/happy_orange/system-storage-manager.git /var/lib/mock/dist-an23-build-192386-60804/root/chroot_tmpdir/scmroot/system-storage-manager
Cloning into '/var/lib/mock/dist-an23-build-192386-60804/root/chroot_tmpdir/scmroot/system-storage-manager'...
$ git fetch origin ffe026a1c3542ce7a66f2380a4a84d8b86b7ad34:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/system-storage-manager
 * [new ref]         ffe026a1c3542ce7a66f2380a4a84d8b86b7ad34 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffe026a add doc package