Git: Recursively check submodules for diffs

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Git is pretty good to work with, but when it comes to merging submodules, sometimes the project dies in the ass because someone (ie. me) forgot to commit a submodule.

kermit miffy
An example of the project dying in the ass.

To check for nested differences, use the following command:

git submodule foreach --recursive git diff --name-status

It'll go through each submodule it finds and check for a diff, spitting out the name of the files that have changed.

Entering 'submoduleA'
M       models.py
Entering 'submoduleB'
M       models.py
Entering 'submoduleC'
Entering 'submoduleD'

Remove the "--name-status" flag to show the actual diffs.

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