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doc/todo/api_for_telling_when_nonexistant_or_non_git_files_passed/comment_3_3f0872f13160a77a82bd5a95fc3f397d._comment

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+[[!comment format=mdwn
+ username="joey"
+ subject="""comment 3"""
+ date="2023-04-25T16:57:58Z"
+ content="""
+I see that datalad parses the error messages to get the filename that
+caused it, and so an exit status is not enough information.
+
+(See `./datalad/support/annex_utils.py`
+`_get_non_existing_from_annex_output`)
+
+So the additional json would need to include the filename that didn't exist,
+perhaps something like this:
+
+	{"file", "foo", "error-messages":["foo not found"]}
+"""]]