Mike McQuaid 7615d3a812 Improve writable directory handling ...

Consolidate the handling of which directories need to exist and which
need to be writable. Additionally, add a fatal check for formula
installations to ensure that any directories that need to be writable
are so before attempting an installation.

Fixes #4626.

2018-09-06 18:38:43 +01:00

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config.rb

Improve writable directory handling

2018-09-06 18:38:43 +01:00