$ git clone -n https://src.fedoraproject.org/rpms/R-pdftools.git /var/lib/mock/f32-build-121451-37684/root/chroot_tmpdir/scmroot/R-pdftools
Cloning into '/var/lib/mock/f32-build-121451-37684/root/chroot_tmpdir/scmroot/R-pdftools'...
$ git reset --hard 21e5a2ff03eeebef0489c2cee8133a203eb4e10b
HEAD is now at 21e5a2f Rebuild for poppler-0.84.0