$ git clone -n https://gitee.com/mgb01105731/os-prober.git /var/lib/mock/dist-an23-build-137112-50507/root/chroot_tmpdir/scmroot/os-prober
Cloning into '/var/lib/mock/dist-an23-build-137112-50507/root/chroot_tmpdir/scmroot/os-prober'...
$ git reset --hard origin/a23
HEAD is now at 2657ca3  optimise spec file & add doc package