Diffing of added files does not work with Shell

By @mrtux on March 03, 2011 23:13 (imported from Google Code)

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What steps will reproduce the problem?

1. Create a new file
2. Rightclick "Add"
3. Richtclick "Diff"

What is the expected output? What do you see instead?
I get an error, I expect a DiffNull, reason is that DiffCommand.cpp doesn't set m_action in TGitPath.

What version of the product are you using? On what operating system?
1.6.5.0