Write the binary cache file atomically
authorSimon Marlow <marlowsd@gmail.com>
Tue, 16 Feb 2010 13:48:41 +0000 (13:48 +0000)
committerSimon Marlow <marlowsd@gmail.com>
Tue, 16 Feb 2010 13:48:41 +0000 (13:48 +0000)
Should fix an occasional build error of the form
 ghc-pkg: too few bytes. Failed reading at byte position 8


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