$ git clone -n https://gitee.com/mgb01105731/snapd_1.git /var/lib/mock/dist-an23-build-274903-64261/root/chroot_tmpdir/scmroot/snapd_1
Cloning into '/var/lib/mock/dist-an23-build-274903-64261/root/chroot_tmpdir/scmroot/snapd_1'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/snapd_1
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33a3df3 init upstream from version 2.58.3