#70588 Content-addressed mirror is not used upon invalid hash

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From: Simon Tournier <zimon.toutoune@gmail.com>
To: bug-guix@gnu.org
Subject: hash mismatch error and stop fallback
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Date: Thu, 25 Apr 2024 15:28:27 +0200
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 Content preview:  Hi, Considering something from the past – well to my knowledge
    it is still an issue with the current implementation and such it will be
   a issue for the future. ;-) For instance, the R package MASS from 2019 (Guix
    revision 711cec): because the CRAN project did some in-place replacements,
    we have a hash mismatch and all the process stops. 
 
 Content analysis details:   (1.8 points, 10.0 required)
 
  pts rule name              description
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  0.0 FREEMAIL_FROM          Sender email is commonly abused enduser mail
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  0.8 DATE_IN_PAST_12_24     Date: is 12 to 24 hours before Received: date
  1.0 SPF_SOFTFAIL           SPF: sender does not match SPF record (softfail)
 -0.0 SPF_HELO_PASS          SPF: HELO matches SPF record
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