$ git clone -n https://src.fedoraproject.org/rpms/libzen.git /var/lib/mock/f40-build-785663-134041/root/chroot_tmpdir/scmroot/libzen
Cloning into '/var/lib/mock/f40-build-785663-134041/root/chroot_tmpdir/scmroot/libzen'...
$ git fetch origin 0b3c2a06027560e15273551356b290573aaad1ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzen
 * [new ref]         0b3c2a06027560e15273551356b290573aaad1ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b3c2a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild