dotfiles/nix/shell.nix at master · mikejw/dotfiles · GitHub

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{ pkgs ? import <nixpkgs> {
    overlays = [
      (import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz"))
    ];
  }
}:

let
  rustToolchain = pkgs.rust-bin.stable."1.91.0".default;
in

pkgs.mkShell ({
  nativeBuildInputs = with pkgs; [
    perl
    perlPackages.locallib
    perlPackages.Appcpanminus
    perlPackages.LWPProtocolHttps
    perlPackages.IOSocketSSL
    perlPackages.MozillaCA
    cacert

    caddy
    mariadb

    # Native deps for XML::Parser
    expat
    pkg-config

    # Native deps for LWP::UserAgent and friends
    openssl
    zlib

    which
    emacs-nox
    fish
    tmux
    fishPlugins.nvm
    virtualenv
    gitFull
    ansible
    curl
    docker
    docker-compose
    go
    wget

    #packer
    imagemagick

    libusb1
    rustToolchain

    awscli2

    (php.withExtensions ({ enabled, all }: enabled ++ [
      all.xdebug
      all.imagick
      all.mailparse
    ]))
  ];

  shellHook = ''
    export NIX_ENFORCE_PURITY=0 # For compiling Perl modules

    if [ -z "$TMUX" ]; then
      SESSION_NAME=default
      FISH=$(command -v fish)

      # Get the absolute path to the repo root (where .config lives)
      # Try git first, then fall back to resolving from current directory
      REPO_ROOT="$(git rev-parse --show-toplevel 2>/dev/null || realpath . 2>/dev/null || pwd)"
      CONFIG_HOME="$REPO_ROOT/.config"

      # New panes must be fish with this repo's config. tmux drops a server
      # that has no sessions (exit-empty), so start-server + set-option in a
      # later command never reaches the session new-session actually creates.
      # One client runs the options and creates the session before that exit.
      export XDG_CONFIG_HOME="$CONFIG_HOME"
      PANE_CMD="exec \"$FISH\""

      if tmux has-session -t "$SESSION_NAME" 2>/dev/null; then
        tmux set-option -g default-shell "$FISH"
        tmux set-option -g default-command "$PANE_CMD"
        tmux set-environment -g XDG_CONFIG_HOME "$CONFIG_HOME"
        tmux set-environment -g IN_NIX_SHELL "$IN_NIX_SHELL"
        tmux set-environment -t "$SESSION_NAME" XDG_CONFIG_HOME "$CONFIG_HOME"
        tmux set-environment -t "$SESSION_NAME" IN_NIX_SHELL "$IN_NIX_SHELL"
        if [ -n "''${LOCALE_ARCHIVE:-}" ]; then
          tmux set-environment -g LOCALE_ARCHIVE "$LOCALE_ARCHIVE"
          tmux set-environment -t "$SESSION_NAME" LOCALE_ARCHIVE "$LOCALE_ARCHIVE"
        fi
        exec tmux attach-session -t "$SESSION_NAME"
      else
        # LOCALE_ARCHIVE exists only on glibc. Keep it in this same tmux
        # invocation: a server with no sessions exits before a later command.
        LOCALE_TMUX=()
        if [ -n "''${LOCALE_ARCHIVE:-}" ]; then
          LOCALE_TMUX=(set-environment -g LOCALE_ARCHIVE "$LOCALE_ARCHIVE" ";")
        fi
        exec tmux \
          set-option -g default-shell "$FISH" ";" \
          set-option -g default-command "$PANE_CMD" ";" \
          set-environment -g XDG_CONFIG_HOME "$CONFIG_HOME" ";" \
          "''${LOCALE_TMUX[@]}" \
          set-environment -g IN_NIX_SHELL "$IN_NIX_SHELL" ";" \
          new-session -s "$SESSION_NAME"
      fi
    fi
  '';
} // pkgs.lib.optionalAttrs (pkgs.glibcLocales != null) {
  # Nix glibc does not include host locales. New tmux panes are login shells,
  # and /etc/locale.conf sets LANG=en_GB.UTF-8. Darwin has no glibcLocales.
  LOCALE_ARCHIVE = "${pkgs.glibcLocales}/lib/locale/locale-archive";
})