$ git clone -n https://src.fedoraproject.org/rpms/bubblemail.git /var/lib/mock/f40-build-2274846-55035/root/chroot_tmpdir/scmroot/bubblemail
Cloning into '/var/lib/mock/f40-build-2274846-55035/root/chroot_tmpdir/scmroot/bubblemail'...
$ git fetch origin 9a65a196ebf3622b4b7f998d44a8b0d502983fa7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bubblemail
 * [new ref]         9a65a196ebf3622b4b7f998d44a8b0d502983fa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a65a19 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild