$ git clone -n https://gitee.com/fundawang/nss.git /var/lib/mock/dist-an23-build-190403-60785/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-an23-build-190403-60785/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin e1a2ab5e8e9d5152439a5773c4d3af4042dde55d:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/nss
 * [new ref]         e1a2ab5e8e9d5152439a5773c4d3af4042dde55d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1a2ab5 3.86