external diff how to configure


I'm going to use my own customized diff tool.

I have already integrated my customized diff tool with Git bash. In my .gitconfig file, I have:

[diff]   external = <my diff>

And my customized diff tool can be used as normal git command from git bash:

git diff --cached $FILENAME

It works fine.

So with SourceTree, I go to Tools -> Options -> Diff, and in the External Diff section, I select "Custom" as External Diff Tool, and Diff Command as: git diff --cached, Arguments as: $LOCAL

But this doesn't work with the external diff button.

I can still call the cmd from Terminal and it works fine, but it won't work with the external diff button.

Can anyone help me on this?

Many thanks

1 answer

1 accepted

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You need to configure <my diff> as the external diff tool, not git diff --cached.


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