$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Dump.git /var/lib/mock/f40-build-2622397-64867/root/chroot_tmpdir/scmroot/perl-Data-Dump
Cloning into '/var/lib/mock/f40-build-2622397-64867/root/chroot_tmpdir/scmroot/perl-Data-Dump'...
$ git fetch origin e811a3c66b03e8c6423fa47a4e25d6b31183c837:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Dump
 * [new ref]         e811a3c66b03e8c6423fa47a4e25d6b31183c837 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e811a3c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild