[merged] Fix error handling during iteration, better submodule error message

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[merged] Fix error handling during iteration, better submodule error message #17

Closed cgwalters closed 8 years ago

cgwalters commented 8 years ago

First, we need to cleanly break iteration if we caught an error. Fix our return code checks to use != 0, and break the iterator as early as possible if we flagged an error.

Second, if we fail to open a submodule, give the user a hint.

Closes #16

cgwalters commented 8 years ago

@cgwalters-bot r+ 09f9e2b

cgwalters-bot commented 8 years ago

:hourglass: Testing commit 09f9e2b with merge 7e38801...

cgwalters-bot commented 8 years ago

:sunny: Test successful - travis Approved by: cgwalters Pushing 7e3880134353d1fe4fa69835cf374a344bd50135 to master...