-------
If `-m` is specified, 'git read-tree' can perform 3 kinds of
merge, a single tree merge if only 1 tree is given, a
-fast-forward merge with 2 trees, or a 3-way merge if 3 trees are
+fast-forward merge with 2 trees, or a 3-way merge if 3 or more trees are
provided.
setup_work_tree();
if (opts.merge) {
- if (stage < 2)
- die("just how do you expect me to merge %d trees?", stage-1);
switch (stage - 1) {
+ case 0:
+ die("you must specify at least one tree to merge");
+ break;
case 1:
opts.fn = opts.prefix ? bind_merge : oneway_merge;
break;