$ git clone -n https://src.fedoraproject.org/rpms/libgnome.git /var/lib/mock/f40-build-786371-134232/root/chroot_tmpdir/scmroot/libgnome
Cloning into '/var/lib/mock/f40-build-786371-134232/root/chroot_tmpdir/scmroot/libgnome'...
$ git fetch origin 352c57f04089e6614da4f9cd772ee2867d334e87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgnome
 * [new ref]         352c57f04089e6614da4f9cd772ee2867d334e87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 352c57f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild