$ git clone -n https://src.fedoraproject.org/rpms/pdfmod.git /var/lib/mock/f39-build-2431303-60579/root/chroot_tmpdir/scmroot/pdfmod
Cloning into '/var/lib/mock/f39-build-2431303-60579/root/chroot_tmpdir/scmroot/pdfmod'...
$ git fetch origin 57a22a9b2ccddda324bd5f0216dc433cd95b7e62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdfmod
 * [new ref]         57a22a9b2ccddda324bd5f0216dc433cd95b7e62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a22a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild