$ git clone -n https://gitee.com/newstart-gdlc/leveldb_1.git /var/lib/mock/dist-an23-nde-build-498218-73607/root/chroot_tmpdir/scmroot/leveldb_1
Cloning into '/var/lib/mock/dist-an23-nde-build-498218-73607/root/chroot_tmpdir/scmroot/leveldb_1'...
$ git fetch origin e542b5f0eb90f501c29aa250c1aff433f1586275:KOJI_FETCH_HEAD
From https://gitee.com/newstart-gdlc/leveldb_1
 * [new ref]         e542b5f0eb90f501c29aa250c1aff433f1586275 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e542b5f Modify spec file