$ git clone -n https://gitee.com/mgb01105731/libproxy.git /var/lib/mock/dist-an23-build-341321-69878/root/chroot_tmpdir/scmroot/libproxy
Cloning into '/var/lib/mock/dist-an23-build-341321-69878/root/chroot_tmpdir/scmroot/libproxy'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libproxy
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 448021f update to version 0.5.3