Just going after provision? I wish (6)

I believe the answer is:

ifonly

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'just going after provision? i wish' is the definition.
I can't tell whether this defines the answer.

'just going after provision? i' is the wordplay.
'just' becomes 'only' (synonyms).
'going after' is a charade indicator (letters next to each other).
'provision? i' becomes 'if' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'only' after 'if' is 'IFONLY'.

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I've seen this clue in The Irish Times.

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