$ git clone -n https://src.fedoraproject.org/rpms/libcacard.git /var/lib/mock/f31-build-68142-30161/root/chroot_tmpdir/scmroot/libcacard
Cloning into '/var/lib/mock/f31-build-68142-30161/root/chroot_tmpdir/scmroot/libcacard'...
$ git reset --hard ac27802a0db4becb97836c66a87cb135288596ec
HEAD is now at ac27802 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild