$ git clone -n https://src.fedoraproject.org/rpms/pdfmod.git /var/lib/mock/f40-build-2721944-73090/root/chroot_tmpdir/scmroot/pdfmod
Cloning into '/var/lib/mock/f40-build-2721944-73090/root/chroot_tmpdir/scmroot/pdfmod'...
$ git fetch origin 64385991bf851bb3668490e3c2edefa6b680767d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdfmod
 * [new ref]         64385991bf851bb3668490e3c2edefa6b680767d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6438599 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild