$ git clone -n https://src.fedoraproject.org/rpms/libcerf.git /var/lib/mock/f33-build-290578-54516/root/chroot_tmpdir/scmroot/libcerf
Cloning into '/var/lib/mock/f33-build-290578-54516/root/chroot_tmpdir/scmroot/libcerf'...
$ git reset --hard 2b49fd991b873fae4b1e715d64243ce112831aab
HEAD is now at 2b49fd9 Second attempt - Rebuilt for   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild Fix cmake changes