pkgs/by-name/ni/nixfmt-rfc-style/update.sh

   1 #!/usr/bin/env nix-shell
   2 #!nix-shell -i bash -p cabal2nix curl jq
   3 #
   4 # This script will update the nixfmt-rfc-style derivation to the latest version using
   5 # cabal2nix.
   6
   7 set -eo pipefail
   8
   9 # This is the directory of this update.sh script.
  10 script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
  11
  12 derivation_file="${script_dir}/generated-package.nix"
  13 date_file="${script_dir}/date.txt"
  14
  15 # This is the latest version of nixfmt-rfc-style branch on GitHub.
  16 new_version=$(curl --silent https://api.github.com/repos/nixos/nixfmt/git/refs/heads/master | jq '.object.sha' --raw-output)
  17 new_date=$(curl --silent https://api.github.com/repos/nixos/nixfmt/git/commits/"$new_version" | jq '.committer.date' --raw-output)
  18
  19 echo "Updating nixfmt-rfc-style to version $new_date."
  20 echo "Running cabal2nix and outputting to ${derivation_file}..."
  21
  22 cat > "$derivation_file" << EOF
  23 # This file has been autogenerate with cabal2nix.
  24 # Update via ./update.sh
  25 EOF
  26
  27 cabal2nix --jailbreak \
  28   "https://github.com/nixos/nixfmt/archive/${new_version}.tar.gz" \
  29   >> "$derivation_file"
  30
  31 date --date="$new_date" -I > "$date_file"
  32
  33 echo "Finished."