$ git clone -n https://gitee.com/dongshijiang/libass.git /var/lib/mock/dist-an23-dde-build-405111-72439/root/chroot_tmpdir/scmroot/libass
Cloning into '/var/lib/mock/dist-an23-dde-build-405111-72439/root/chroot_tmpdir/scmroot/libass'...
$ git reset --hard 942856f5c8dfa75fec22c696e0e70c0c235e9e2d
HEAD is now at 942856f CVE fix CVE-2020-24994