direnvrc

# shellcheck shell=bash
# Changes the current ruby version.
#
# Usage in .envrc:
#
#   use ruby [version]
#   PATH_add bin
use_ruby() {
  # load up chruby if needed and available
  if ! command -v chruby > /dev/null; then
    local src="${HOMEBREW_PREFIX-/opt/homebrew}/opt/chruby/share/chruby/chruby.sh"

    if [[ -f "$src" ]]; then
      log_status "loading chruby"

      # shellcheck source=/dev/null
      source "$src"
    else
      log_error "chruby not available!"
      log_error "Try \`brew install chruby\`"
      return 1
    fi
  fi

  # desired Ruby version as first parameter
  local ver="$1"

  # if version not given as parameter and there is a .ruby-version file, get
  # version from the file
  if [[ -z "$ver" ]] && [[ -f .ruby-version ]]; then
    ver=$(cat .ruby-version)
  fi

  # if the version still isn't set, error cause we don't know what to do
  if [[ -z "$ver" ]]; then
    log_error "Unknown ruby version"
    log_error "Specify ruby version with \`use ruby VERSION\` or create a .ruby-version file in the project directory."
    return 1
  fi

  # switch to the desired ruby version
  chruby "$ver"
}

# Sets PATH for Homebrew core and shivammathur/php taps
#
# Usage in .envrc:
#
#   use homebrew_php
#   use homebrew_php 8.2
use_homebrew_php() {
  local version="$1"
  local optdir="${HOMEBREW_PREFIX-/opt/homebrew}/opt/php${version:+"@$version"}"

  if [[ -d "$optdir" ]]; then
    PATH_add "$optdir/bin"
    PATH_add "$optdir/sbin"
    MANPATH_add "$optdir/share/man"
  else
    if [[ -z "$version" ]]; then
      log_error "Homebrew PHP not found"
      log_error "Try \`brew install php\` or \`brew install shivammathur/php/php@version\`"
    else
      log_error "Homebrew PHP version '$version' not found"
      log_error "Try \`brew install shivammathur/php/php@$version\`"
    fi
    return 1
  fi
}

# Sets PATH for Herd PHP versions.
#
# Usage in .envrc:
#
#   use herd_php [system]
#   use herd_php 8.3
use_herd_php() {
  local herd_dir="$HOME/Library/Application Support/Herd"

  if [[ ! -d "$herd_dir" ]]; then
    log_error "Herd not found"
    return 1
  fi

  local version="${1-}"
  local shim_dir="$HOME/.local/share/herd"

  if [[ -z "$version" ]] && [[ -f .php-version ]]; then
    version=$(< .php-version)
    log_status "Using PHP version from .php-version: $version"
  fi

  local number

  if [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
    version="${version%.*}" # only major.minor
    number="${version/./}"
  elif [[ "$version" =~ ^[0-9]+\.[0-9]+$ ]]; then
    number="${version/./}"
  elif [[ "$version" =~ ^(system|default)$ ]] || [[ -z "$version" ]]; then
    version="default"
    number=""
  else
    log_error "Invalid PHP version '$version'"
    log_error "Use 'system', 'default' or a version like '8.3' or '8.3.1'"

    return 1
  fi

  local target_bin="$herd_dir/bin/php${number}"

  if [[ ! -x "$target_bin" ]]; then
    log_error "Herd PHP $version binary '$target_bin' not found"
    log_error "Try one of these .envrc configurations:"
    log_error
    log_error "- use_herd_php system (Herd default configured version)"

    local suggested

    for f in "$herd_dir"/bin/*; do
      if [[ "${f##*/}" =~ ^php[0-9]+$ ]]; then
        suggested="${f##*/php}"
        suggested="${suggested:0:1}.${suggested:1}"

        log_error "- use_herd_php $suggested"
      fi
    done

    return 1
  fi

  local target_shim="$shim_dir/php$number/bin/php"

  if [[ ! -L "$target_shim" ]]; then
    log_status "Creating Herd PHP $version shim at ${target_shim/$HOME/\~}"

    mkdir -p "${target_shim%/*}"

    ln -s "$target_bin" "$target_shim"
  fi

  PATH_add "$shim_dir/php$number/bin"

  if [[ -d vendor/bin ]]; then
    PATH_add vendor/bin
  fi

  log_status "using Herd PHP $version shim at ${target_shim/$HOME/\~}"
}

# Sets work specific git email.
#
# Usage in .envrc:
#
#   set_git_email foo@bar.com
set_git_email() {
  local email="$1"

  if [[ -z "$email" ]]; then
    log_error "Couldn't set git email!"
    return 1
  fi

  export GIT_COMMITTER_EMAIL="$email"
  export GIT_AUTHOR_EMAIL="$email"
}