-t <tool>::
--tool=<tool>::
Use the merge resolution program specified by <tool>.
- Valid merge tools are:
- araxis, bc3, diffuse, ecmerge, emerge, gvimdiff, kdiff3,
- meld, opendiff, p4merge, tkdiff, tortoisemerge, vimdiff and xxdiff.
+ Valid values include emerge, gvimdiff, kdiff3,
+ meld, vimdiff, and tortoisemerge. Run `git mergetool --tool-help`
+ for the list of valid <tool> settings.
+
If a merge resolution program is not specified, 'git mergetool'
will use the configuration variable `merge.tool`. If the