$ git clone -n https://gitee.com/mgb01105731/libXext.git /var/lib/mock/dist-an23-build-260256-63831/root/chroot_tmpdir/scmroot/libXext
Cloning into '/var/lib/mock/dist-an23-build-260256-63831/root/chroot_tmpdir/scmroot/libXext'...
$ git reset --hard origin/a23
HEAD is now at 4194111 rebuild with libX11 update