$ git clone -n https://gitee.com/mgb01105731/python-build.git /var/lib/mock/dist-an23.3-build-494442-74591/root/chroot_tmpdir/scmroot/python-build
Cloning into '/var/lib/mock/dist-an23.3-build-494442-74591/root/chroot_tmpdir/scmroot/python-build'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/python-build
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4438eb update to 1.2.1