$ git clone -n https://src.fedoraproject.org/rpms/dbus-c++.git /var/lib/mock/f40-build-807235-145187/root/chroot_tmpdir/scmroot/dbus-c++
Cloning into '/var/lib/mock/f40-build-807235-145187/root/chroot_tmpdir/scmroot/dbus-c++'...
$ git fetch origin 3307486a82df441a53a1c01c93068d6d5076bfa2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dbus-c++
 * [new ref]         3307486a82df441a53a1c01c93068d6d5076bfa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3307486 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild