Correct: cabal-install 1.x still uses the old index format (00-index). The logic is different for 01-index, in order to support incremental update (appending when possible, instead of always having to download the whole thing again like with 00-index).
On Thu, Jan 4, 2018 at 1:38 PM, Nathan Collins <nathan.coll...@gmail.com> wrote: > In case this confuses anyone else, I think this PSA only applies if > you're using cabal-install version 2.*, but please correct me if I'm > wrong. > > I had some ~/.cabal/packages/hackage.haskell.org/00-index.* files, but > not any 01-index.* files, and running `cabal update` didn't change > that. Then I noticed I was using cabal-install version 1.24.0.2. When > I upgraded to cabal-install version 2.0.0.1 and did another `cabal > update` the 01-index.* files appeared. > > Cheers, > > -nathan > > On Mon, Jan 1, 2018 at 5:24 PM, Gershom B <gersh...@gmail.com> wrote: > > Dear Haskellers, > > > > 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. Here is the most straightforward way to get > > things working again: > > > > On gnu/linux or mac: rm ~/.cabal/packages/hackage.haskell.org/01-index.* > > On windows: remove the same files, but from > > %appdata%\cabal\packages\hackage.haskell.org > > > > rerun `cabal update` to fetch a new 01-index. > > > > Apologies all for the inconvenience and any confusion this may have > > caused. There is a PR to fix this behavior in the works, but since the > > problem is on the client side, the fix will only improve the > > situations for new versions of `cabal`. > > > > Happy New Years to all, and cheers to a very functional 2018, > > Gershom > > > > p.s.: since the problem comes in unpacking the 01-index.tar.gz into > > the 01-index.tar, you can also just untar that file in place manually, > > or force cabal into doing the same by running `touch > > ~/.cabal/packages/hackage.haskell.org/01-index.tar` > > _______________________________________________ > > Haskell-Cafe mailing list > > To (un)subscribe, modify options or view archives go to: > > http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe > > Only members subscribed via the mailman list are allowed to post. > _______________________________________________ > Haskell-Cafe mailing list > To (un)subscribe, modify options or view archives go to: > http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe > Only members subscribed via the mailman list are allowed to post. -- brandon s allbery kf8nh sine nomine associates allber...@gmail.com ballb...@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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