update-dependencies

#!/usr/bin/env nix-shell
#!nix-shell -i zsh -I ./nix --packages fd parallel zsh coreutils nix-prefetch-git
set -euo pipefail

# "nixpkgs-channels" is a mirror of "nixpkgs" with branches that track release channels
repo=https://github.com/NixOS/nixpkgs-channels.git
rev=${1:-refs/heads/nixpkgs-unstable}

# "nix-prefetch-git" is a tool that downloads and prints information about a git reference
# Notably, it includes a commit sha and content hash
newCommit=$(nix-prefetch-git --url $repo --rev $rev)

# "default.nix" uses this file to pin exact dependencies
echo "$newCommit" > ./nix/nixpkgs.json

# generate binstubs for cli tools
bin/nix-binstubs \
  awscli \
  cocoapods \
  fastlane \
  git-crypt \
  git-lfs \
  jq \
  nodePackages.gulp-cli \
  nodejs \
  xcpretty \
  yarn

# Generate lockfile and nix file for ruby gems
for gem in fastlane; do
  pushd nix/$gem
  rm Gemfile.lock
  nix run -f ./.. bundix --command bundix --magic
  popd
done

# Update cross-workspace tools installed by yarn
yarn add --dev --ignore-workspace-root-check \
  eslint@latest \
  expo-cli@latest \
  prettier@latest

# Update all yarn.lock files
fd -a yarn.lock -E react-native-lab . \
  | parallel -j 1 'cd {//} && echo {//} && yarn install --force'