$ git clone -n https://src.fedoraproject.org/rpms/virt-bootstrap.git /var/lib/mock/f40-build-2724137-73102/root/chroot_tmpdir/scmroot/virt-bootstrap
Cloning into '/var/lib/mock/f40-build-2724137-73102/root/chroot_tmpdir/scmroot/virt-bootstrap'...
$ git fetch origin ea3eadb3efb47371d2fcfe7efc387dda6dfccdb0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-bootstrap
 * [new ref]         ea3eadb3efb47371d2fcfe7efc387dda6dfccdb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea3eadb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild