[ \--remove-empty ]
[ \--not ]
[ \--all ]
+ [ \--stdin ]
[ \--topo-order ]
[ \--parents ]
[ [\--objects | \--objects-edge] [ \--unpacked ] ]
Pretend as if all the refs in `$GIT_DIR/refs/` are listed on the
command line as '<commit>'.
+--stdin::
+
+ In addition to the '<commit>' listed on the command
+ line, read them from the standard input.
+
--merge::
After a failed merge, show refs that touch files having a