$ git clone -n https://src.fedoraproject.org/rpms/poppler.git /var/lib/mock/f31-build-88721-32002/root/chroot_tmpdir/scmroot/poppler
Cloning into '/var/lib/mock/f31-build-88721-32002/root/chroot_tmpdir/scmroot/poppler'...
$ git reset --hard e2efd8b527b0cc2b1e149482cd3fcbf0005fb1ee
HEAD is now at e2efd8b Ignore dict Length if it is broken