t/t4013/diff.noellipses-diff-tree_-c_--abbrev_main

$ git diff-tree -c --abbrev main
59d314ad6f356dd08601a4cd5e530381da3e3c64
::100644 100644 100644 cead32e 7289e35 992913c MM	dir/sub
::100644 100644 100644 b414108 f4615da 10a8a9f MM	file0
$