$ git clone -n https://gitee.com/mgb01105731/m4.git /var/lib/mock/dist-an23-build-132394-46872/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/dist-an23-build-132394-46872/root/chroot_tmpdir/scmroot/m4'...
$ git reset --hard origin/a23
HEAD is now at b969902 add doc package