$ git clone -n https://src.fedoraproject.org/rpms/perl-Digest-BubbleBabble.git /var/lib/mock/f40-build-2303712-56968/root/chroot_tmpdir/scmroot/perl-Digest-BubbleBabble
Cloning into '/var/lib/mock/f40-build-2303712-56968/root/chroot_tmpdir/scmroot/perl-Digest-BubbleBabble'...
$ git fetch origin e2cf99df60ed5c5ea7bfa2d1491ed16b6a5a43c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Digest-BubbleBabble
 * [new ref]         e2cf99df60ed5c5ea7bfa2d1491ed16b6a5a43c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2cf99d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild