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Re: Auto-update program cache feature

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  Re: Auto-update program cache feature Bob Proulx <bob@proulx.com> - 2018-10-08 11:35 -0600

#14703 — Re: Auto-update program cache feature

Chet Ramey wrote:
> Bob Proulx wrote:
> > Put this in your ~/.bashrc file and I believe your use case will be
> > much happier.
> > 
> >   shopt -s checkhash
> 
> How many installers put a new version of an existing package into a
> possibly-different directory with a different name? Even using a symlink
> pointing to a new name would not trigger this behavior.

The use case (reading between the lines) had to do with ping-pong'ing
between /usr/bin and /usr/local/bin though.  And I know that without
checkhash that I used to see that condition too.  But with checkhash
the complaint (from me) went away entirely.  I admit I didn't look at
it in great detail here now because I have had checkhash in use for so
long and not seen this problem since.  I'll need to experiment.

Bob

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