$ git clone -n https://src.fedoraproject.org/rpms/xbar.git /var/lib/mock/f40-build-794365-139514/root/chroot_tmpdir/scmroot/xbar
Cloning into '/var/lib/mock/f40-build-794365-139514/root/chroot_tmpdir/scmroot/xbar'...
$ git fetch origin 4018710d251e511b89d5c34941f624812bce4f8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xbar
 * [new ref]         4018710d251e511b89d5c34941f624812bce4f8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4018710 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild