$ git clone -n https://src.fedoraproject.org/rpms/commoncpp2.git /var/lib/mock/f40-build-2587666-62507/root/chroot_tmpdir/scmroot/commoncpp2
Cloning into '/var/lib/mock/f40-build-2587666-62507/root/chroot_tmpdir/scmroot/commoncpp2'...
$ git fetch origin 251da3dc48eab4073bea20a726403ae51f79c309:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/commoncpp2
 * [new ref]         251da3dc48eab4073bea20a726403ae51f79c309 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 251da3d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild