2021-05-20 23:08:51 +00:00
#! /usr/bin/env nix-shell
#! nix-shell -i bash -p coreutils curl jq gnused haskellPackages.cabal2nix-unstable -I nixpkgs=.
# Updates cabal2nix-unstable to the latest master of the nixos/cabal2nix repository.
# See regenerate-hackage-packages.sh for details on the purpose of this script.
set -euo pipefail
# fetch current master HEAD from Github
head_info = " $( curl -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/NixOS/cabal2nix/branches/master) "
# extract commit hash
commit = " $( jq -r .commit.sha <<< " $head_info " ) "
# extract commit timestamp and convert to date
date = " $( date " --date= $( jq -r .commit.commit.committer.date <<< " $head_info " ) " +%F) "
# generate nix expression from cabal file, replacing the version with the commit date
echo '# This file defines cabal2nix-unstable, used by maintainers/scripts/haskell/regenerate-hackage-packages.sh.' > pkgs/development/haskell-modules/cabal2nix-unstable.nix
2022-10-21 18:38:19 +00:00
cabal2nix --subpath cabal2nix " https://github.com/NixOS/cabal2nix/archive/ $commit .tar.gz " | sed -e 's/version = ".*"/version = "' " unstable- $date " '"/' >> pkgs/development/haskell-modules/cabal2nix-unstable.nix
