$ git clone -n https://src.fedoraproject.org/rpms/rwall.git /var/lib/mock/f40-build-804797-144615/root/chroot_tmpdir/scmroot/rwall
Cloning into '/var/lib/mock/f40-build-804797-144615/root/chroot_tmpdir/scmroot/rwall'...
$ git fetch origin e4ffa82fb24d54f0f4a0bddf025765bab9dd5f4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rwall
 * [new ref]         e4ffa82fb24d54f0f4a0bddf025765bab9dd5f4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ffa82 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild