zeripath 09f7d84f4c Ensure rejected push to refs/pull/index/head fails nicely (#11724) ... A pre-receive hook that rejects pushes to refs/pull/index/head will cause a broken PR which causes an internal server error whenever it is viewed. This PR handles prevents the internal server error by handling non-existent pr heads and sends a flash error informing the creator there was a problem. Signed-off-by: Andrew Thornton <art27@cantab.net>		2020-06-08 19:07:41 +01:00
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pull	Ensure rejected push to refs/pull/index/head fails nicely (#11724)	2020-06-08 19:07:41 +01:00
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