$ git clone -n https://src.fedoraproject.org/rpms/subscription-manager.git /var/lib/mock/f40-build-791116-137120/root/chroot_tmpdir/scmroot/subscription-manager
Cloning into '/var/lib/mock/f40-build-791116-137120/root/chroot_tmpdir/scmroot/subscription-manager'...
$ git fetch origin 74c34f42e9c55e52c2476a2f2821a8a6153acd1c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/subscription-manager
 * [new ref]         74c34f42e9c55e52c2476a2f2821a8a6153acd1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74c34f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild