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pkgs.haskell.package-list: init

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This commit introduces a maintainer script to upload our current list of
haskell-packages to hackage.
This commit is contained in:
Malte Brandy 2021-07-22 13:51:57 +02:00
parent 3ed47ddb24
commit 264e63477d
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21
maintainers/scripts/haskell/upload-nixos-package-list-to-hackage.sh Executable file
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@ -0,0 +1,21 @@
#! /usr/bin/env nix-shell
#! nix-shell -i bash -p nix curl gnused -I nixpkgs=.
# On Hackage every package description shows a category "Distributions" which
# lists a "NixOS" version.
# This script uploads a csv to hackage which will update the displayed versions
# based on the current versions in nixpkgs. This happens with on simple http
# request.
# For authorization you just need to have any valid hackage account. This
# script uses the `username` and `password-command` field from your
# ~/.cabal/config file.
# e.g. username: maralorn
# password-command: pass hackage.haskell.org (this can be any command, but not an arbitrary shell expression.)
# Those fields are specified under `upload` on the `cabal` man page.
package_list="$(nix-build -A haskell.package-list)/nixos-hackage-packages.csv"
username=$(grep "^username:" ~/.cabal/config | sed "s/^username: //")
password_command=$(grep "^password-command:" ~/.cabal/config | sed "s/^password-command: //")
curl -u "$username:$($password_command)" --digest -H "Content-type: text/csv" -T "$package_list" http://hackage.haskell.org/distro/NixOS/packages.csv

8
pkgs/development/haskell-modules/HACKING.md
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@ -241,6 +241,14 @@ When you've double-checked these points, go ahead and merge the `haskell-updates
After merging, **make sure not to delete the `haskell-updates` branch**, since it
causes all currently open Haskell-related pull-requests to be automatically closed on GitHub.
## Update Hackage Version Information
After merging into master you can update what hackage displays as the current
version in NixOS for every individual package.
To do this you run `maintainers/scripts/haskell/upload-nixos-package-list-to-hackage.sh`.
See the script for how to provide credentials. Once you have configured that
running this takes only a few seconds.
## Additional Info
Here are some additional tips that didn't fit in above.

19
pkgs/development/haskell-modules/package-list.nix Normal file
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@ -0,0 +1,19 @@
{ runCommand, haskellPackages, lib, all-cabal-hashes, writeShellScript }:
let
pkgLine = name: pkg:
let
version = pkg.version or "";
in
if version != "" then
''"${name}","${version}","http://hydra.nixos.org/job/nixpkgs/trunk/haskellPackages.${name}.x86_64-linux"''
else "";
all-haskellPackages = builtins.toFile "all-haskellPackages" (lib.concatStringsSep "\n" (lib.filter (x: x != "") (lib.mapAttrsToList pkgLine haskellPackages)));
in
runCommand "hackage-package-list" { }
# This command will make a join between all packages on hackage and haskellPackages.*.
# It creates a valid csv file which can be uploaded to hackage.haskell.org.
# The call is wrapped in echo $(...) to trim trailing newline, which hackage requires.
''
mkdir -p $out/bin
echo -n "$(tar -t -f ${all-cabal-hashes} | sed 's![^/]*/\([^/]*\)/.*!"\1"!' | sort -u | join -t , - ${all-haskellPackages})" > $out/nixos-hackage-packages.csv
''

2
pkgs/top-level/haskell-packages.nix
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@ -42,6 +42,8 @@ let
in {
lib = haskellLib;
package-list = callPackage ../development/haskell-modules/package-list.nix {};
compiler = {
ghc865Binary = callPackage ../development/compilers/ghc/8.6.5-binary.nix { };