$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-Digest.git /var/lib/mock/f40-build-2305162-57067/root/chroot_tmpdir/scmroot/perl-IO-Digest
Cloning into '/var/lib/mock/f40-build-2305162-57067/root/chroot_tmpdir/scmroot/perl-IO-Digest'...
$ git fetch origin a0fbb43d271b5875d6755c91c81eb3daa1321f13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-Digest
 * [new ref]         a0fbb43d271b5875d6755c91c81eb3daa1321f13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0fbb43 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild