PSA: `cabal update` command needs manual unsticking

Sven Panne svenpanne at
Tue Jan 2 09:47:33 UTC 2018

2018-01-02 2:24 GMT+01:00 Gershom B <gershomb at>:

> 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...
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