Aha! I understand now. I was overusing the -c option. Things are going much more smoothly now. Thanks!
On Sun, Apr 27, 2014 at 2:08 PM, Magnus Therning <mag...@therning.org>wrote: > On Sun, Apr 27, 2014 at 01:23:18PM -0700, Richard Wallace wrote: > > Right, sorry for not including more details. So what I'm trying to do is > > get all the needed packages for adding taffybar built. The first I tried > > with was HStringTemplate. My last attempt at doing this looking a bit > like > > > > # just getting started, making sure I can build from a clean repo > > $ git clone git://github.com/archhaskell/habs.git > > $ cd habs > > $ cblrepo sync > > $ cblrepo pkgbuild --ghc-version 7.8.2-1 $(cblrepo build base|tail -n +2) > > $ ./makeahpkg -c -- $(cblrepo build base | tail -n +2) > > > > # that worked, no problem, so now I try adding HStringTemplate > > $ cblrepo add HStringTemplate,0.7.3 > > $ cblrepo pkgbuild --ghc-version 7.8.2-1 HStringTemplate > > $ ./makeahpkg -c -- HStringTemplate > > > > This ended up giving me a checksum error on the haskell-mtl package. > > > > If I instead do the last step with the `./makeahpkg -c -- $(cblrepo build > > base | tail -n +2)` everything builds without a hitch. At first I > thought > > I had to clean out all the previously built packages using `git clean > -fd`, > > but that turns out to not be the case. Do I just need to include all the > > HStringTemplate dependencies when trying to build it? > > Now things are a bit clearer to me :) > > A few things that might clear things up a bit: > > 1. The packages in HABS are available pre-built in the [haskell-core] > repo[^1]. > 2. The chroot that `makeahpkg` creates is already pointing to > [haskell-core] and thus will download any missing Haskell packages > from there. > 3. `makeahpkg` keeps two chroots, one 'root' and one 'build'. All > packages are built in 'build'. > 4. The argument '-c' will sync 'root' and 'build', i.e. any packages > that have been built and installed in 'build' will effectively be > removed by using `makeahpkg -c`. > 5. If `makeahpkg` finds that a package has already been built, it will > skip building and installing it again. > > This means that you never really *need* to build all of HABS. It also > means that if you are adding several packages but building them one at > a time you really shouldn't use the '-c' argument, since you then will > have to first remove any already built packages in the habs/ area, and > then rebuild all dependencies for the package you really wanted. > > I believe, but please correct me if I'm wrong, that the installing of > the package at the end means the package ends up in the local pacman > cache. If that's the case then what you see is explained by: > > 1. You build all of HABS locally, which means it's all in your local > pacman cache. > 2. You clean out the build chroot. > 3. The package you want to build (HStringTemplate) now depends on > uninstalled packages. > 4. Pacman tries the locally cached packages, but finds they don't > match what comes from [haskell-core] -- checksum error! > > The reson that it works the second time is that the cache is cleansed > of non-matching packages as they are found. > > /M > > [^1]: http://is.gd/DDV64T > > -- > Magnus Therning OpenPGP: 0xAB4DFBA4 > email: mag...@therning.org jabber: mag...@therning.org > twitter: magthe http://therning.org/magnus > > Most software today is very much like an Egyptian pyramid with > millions of bricks piled on top of each other, with no structural > integrity, but just done by brute force and thousands of slaves. > -- Alan Kay >
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