.gitconfig for git on Cygwin using Beyond Compare 4 for diff and merge

.gitconfig

[difftool "sourcetree"]
	cmd = 'C:/Program Files/Beyond Compare 4/BComp.exe' \"$LOCAL\" \"$REMOTE\"
[mergetool "sourcetree"]
	cmd = 'C:/Program Files/Beyond Compare 4/BComp.exe' \"$LOCAL\" \"$REMOTE\" \"$BASE\" \"$MERGED\"
	trustExitCode = true
[credential]
	helper = manager
	modalprompt = true
[diff]     
	tool = bc3 
[difftool]     
	prompt = false 
[difftool "bc3"]     
	#use cygpath to transform cygwin path $LOCAL (something like /tmp/U5VvP1_abc) to windows path, because bc3 is a windows software     
	cmd = \"c:/program files/beyond compare 4/bcomp.exe\" "$(cygpath -w $LOCAL)" "$REMOTE" 
[merge]     
	tool = bc3 
[mergetool]     
	prompt = false 
[mergetool "bc3"]     
	trustExitCode = true
	keepBackup = false     
	cmd = \"c:/program files/beyond compare 4/bcomp.exe\" "$LOCAL" "$REMOTE" "$BASE" "$MERGED"
[core]
	editor = nano

Note: this will break diff and merge in other tools like VS. need to figure out a way to set custom merge/diff tools for each application, a la sourcetree