Why package cache is not used during setup download?

David Stacey drstacey@tiscali.co.uk
Mon Oct 26 03:57:00 GMT 2015

On 25/10/15 18:47, Aleksey Midenkov wrote:
> Hmmm, on setup.ini doc says:
> install: filename size-in-bytes MD5 sum
> ... The optional MD5 sum is 32 characters from the set 0-9a-f (case
> matters). ...
> But, I see too many characters in my setup.ini:
> install: x86_64/release/cygwin/cygwin-devel/cygwin-devel-2.2.1-1.tar.xz
> 273004 be6a2b80a8d06d14a56c1e5b2aabb31698d13aa5328dc7b675be9790a874a3a8b0fda9bdf911001e9a8c79439312c9ec9a8e80fb3bd40304ba459bd1e0850a2e

MD5 is broken, and so Cygwin's setup.ini now uses SHA512 [1]. If you 
have an old setup executable, it won't understand the new checksums; try 
downloading a new setup executable from the Cygwin homepage [2].

Hope this helps,


[1] - https://cygwin.com/ml/cygwin-announce/2015-02/msg00013.html
[2] - https://cygwin.com/

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