$ git clone -n https://src.fedoraproject.org/rpms/pdfgrep.git /var/lib/mock/f40-build-2301156-56764/root/chroot_tmpdir/scmroot/pdfgrep
Cloning into '/var/lib/mock/f40-build-2301156-56764/root/chroot_tmpdir/scmroot/pdfgrep'...
$ git fetch origin 811ff2cd9b6d7a319d4bceabb77dd0f844f4786b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdfgrep
 * [new ref]         811ff2cd9b6d7a319d4bceabb77dd0f844f4786b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 811ff2c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild