diff options
Diffstat (limited to 'maintainers/scripts/haskell/update-cabal2nix-unstable.sh')
| -rwxr-xr-x | maintainers/scripts/haskell/update-cabal2nix-unstable.sh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/maintainers/scripts/haskell/update-cabal2nix-unstable.sh b/maintainers/scripts/haskell/update-cabal2nix-unstable.sh new file mode 100755 index 00000000000..41583704560 --- /dev/null +++ b/maintainers/scripts/haskell/update-cabal2nix-unstable.sh @@ -0,0 +1,17 @@ +#! /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 +cabal2nix "https://github.com/NixOS/cabal2nix/archive/$commit.tar.gz" | sed -e 's/version = ".*"/version = "'"unstable-$date"'"/' >> pkgs/development/haskell-modules/cabal2nix-unstable.nix |