:Gvdiffsplit!
for a vertical 3-way split
left: target branch
center: working copy
right: merge branch
in a 3 way split
:diffget
or :do
:diffput
or :dp
requires a buff spec (either a name or buff number)
:ls
for a buff number (but they'll always be different)
you can also use a sub-string match, if its unique
dp
assumes you're going into the working copy so no need to specify anything
target and merge branches always contain //2
and //3
respectively
//2
//<filename>
//3
:diffupdate
to fix highlighting
[c
prev change set
]c
next change set
:Only
to "exit vimdiff
"
:Gwrite
adds the file to the index and closes vimdiff
:Gwrite!
to overwrite if its not the working copy