$ git clone -n https://src.fedoraproject.org/rpms/libast.git /var/lib/mock/f31-build-58185-28412/root/chroot_tmpdir/scmroot/libast
Cloning into '/var/lib/mock/f31-build-58185-28412/root/chroot_tmpdir/scmroot/libast'...
$ git reset --hard 36eb63237a5aa2abba4228fdfd60dde92e187191
HEAD is now at 36eb632 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild