$ git clone -n https://gitee.com/dongshijiang/libass.git /var/lib/mock/dist-an23-dde-build-405388-72439/root/chroot_tmpdir/scmroot/libass
Cloning into '/var/lib/mock/dist-an23-dde-build-405388-72439/root/chroot_tmpdir/scmroot/libass'...
$ git reset --hard d422a0b616643a796f61fc83dc8992293d862d50
HEAD is now at d422a0b CVE fix CVE-2020-24994