gitconfig (p4merge)
[merge]
tool = p4merge
[diff]
tool = p4merge
[difftool "p4merge"]
path = c:/Program Files/Perforce/p4merge.exe
cmd = \"c:/Program Files/Perforce/p4merge.exe\" \"$LOCAL\" \"$REMOTE\"
[mergetool "p4merge"]
path = c:/Program Files/Perforce/p4merge.exe
cmd = \"c:/Program Files/Perforce/p4merge.exe\" \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\"