$ git clone -n https://src.fedoraproject.org/rpms/timeline.git /var/lib/mock/f40-build-2330972-59039/root/chroot_tmpdir/scmroot/timeline
Cloning into '/var/lib/mock/f40-build-2330972-59039/root/chroot_tmpdir/scmroot/timeline'...
$ git fetch origin f571bd1e1bb61cd7ea3da05766db682a61a02026:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/timeline
 * [new ref]         f571bd1e1bb61cd7ea3da05766db682a61a02026 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f571bd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild