Re: [Haskell-cafe] PSA: `cabal update` command needs manual unsticking

On Tue, Jan 2, 2018 at 11:47 AM, Sven Panne wrote:

2018-01-02 2:24 GMT+01:00 Gershom B :

...

A recent update to hackage, which fixed up the 01-index.tar.gz file, revealed a bug in existing versions of cabal-install, when index files are cleaned up. This bug means that the `cabal update` command, which updates the hackage index file, will fail silently and leave the old file in place. It is easy to get things working again, but it requires manual intervention. [...]

Quick question: Are stack users affected, too, or only cabal users? I'm just asking because as a stack user you have ~/.stack/indices/Hackage/01-index.* files lying around, too...

Hey Sven, Gershom sent me an email about this earlier, and I looked into it. As far as I can tell, Stack is _not_ affected by this, since—although it uses the same hackage-security library as cabal-install—it follows a different codepath outside of hackage-security for downloading tarballs. I'm not 100% certain Stack is immune, however, so if someone notices a problem, please report it. Michael