$ git clone -n https://src.fedoraproject.org/rpms/R-pdftools.git /var/lib/mock/f40-build-2285495-55678/root/chroot_tmpdir/scmroot/R-pdftools
Cloning into '/var/lib/mock/f40-build-2285495-55678/root/chroot_tmpdir/scmroot/R-pdftools'...
$ git fetch origin c37ea1a1d76a7c3c89709344d422e10700625dec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-pdftools
 * [new ref]         c37ea1a1d76a7c3c89709344d422e10700625dec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c37ea1a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild