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RE: Setup doesn't set right permissions
- From: "Thrall, Bryan" <bryan dot thrall at flightsafety dot com>
- To: <cygwin-apps at cygwin dot com>
- Date: Fri, 24 Aug 2007 09:30:03 -0500
- Subject: RE: Setup doesn't set right permissions
Brian Dessent wrote on Thursday, August 23, 2007 6:43 PM:
> Sorry but setup doesn't know anything about permissions. If I recall
> correctly it does set a DACL when it initializes but other than that
> it does not do anything with the file modes stored in the tar file
> when creating files. So this isn't expected to work and never has.
> You can fixup any files or directories that have specific mode
> requirements with a postinstall script that calls chmod.
> There is a fair amount of code in the Cygwin DLL to do this mapping
> between POSIX modes and NT ACLs, and it would all have to be
> duplicated or reimplemented in setup because setup has to be self
> contained and can't use any Cygwin code. And then there would be two
> places to maintain any changes.
D'oh! I already knew that, but I forgot to check how setup handled
permissions when I finally came across the problem. Sorry for the noise.