$ git clone -n https://src.fedoraproject.org/rpms/xfce4-session.git /var/lib/mock/f39-build-1524590-36034/root/chroot_tmpdir/scmroot/xfce4-session
Cloning into '/var/lib/mock/f39-build-1524590-36034/root/chroot_tmpdir/scmroot/xfce4-session'...
$ git fetch origin ffad08232f28756c32c372c09dd99e4e7c4a02c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-session
 * [new ref]         ffad08232f28756c32c372c09dd99e4e7c4a02c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffad082 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild