$ git clone -n https://src.fedoraproject.org/rpms/libxc.git /var/lib/mock/f33-build-172959-44140/root/chroot_tmpdir/scmroot/libxc
Cloning into '/var/lib/mock/f33-build-172959-44140/root/chroot_tmpdir/scmroot/libxc'...
$ git reset --hard c739a192f958f2579219c79d369eafb16d5b85f2
HEAD is now at c739a19 Looks like I missed 4.3.4; update release branches to it first...