depot/ops/nixos/lib/home-manager/common.nix

{ depot, pkgs, ... }:
{
  programs.home-manager.enable = true;

  home.username = "lukegb";
  home.homeDirectory = "/home/lukegb";
  home.file = {
    ".hgrc".source = ./hgrc;
  };
  home.sessionVariables = {
    EDITOR = "vim";
    VISUAL = "vim";
  };

  programs.bash = {
    enable = true;
    enableVteIntegration = true;

    initExtra = ''
      function join_by { local IFS="$1"; shift; echo "$*"; }

      if [[ -z "$LAUNCH_SHLVL" ]]; then
        export LAUNCH_SHLVL="$SHLVL"
      fi
      export LAUNCH_DEPTH="$(expr $SHLVL - $LAUNCH_SHLVL)"
      export LAUNCH_DEPTH_STR=""
      if [[ "$LAUNCH_DEPTH" > 0 ]]; then
        if [[ "$PATH" == /nix/store/* ]]; then
          declare -a RECENT_PKGS
          while read -rd: pathseg; do
            if [[ "$pathseg" != /nix/store/* ]]; then
              break
            fi
            RECENT_PKGS+=("$(echo "$pathseg" | sed -E -e 's,^/nix/store/[a-z0-9]+-,,' -e 's,/.*$,,' -e 's,-[0-9.]+$,,')")
          done <<< $PATH
          RECENT_PKG="$(join_by ":" "''${RECENT_PKGS[@]}")"
          if [[ "''${#RECENT_PKG}" > 32 ]]; then
            RECENT_PKGS="''${RECENT_PKGS[0]}"
          fi
          if [[ ! -z "$RECENT_PKG" ]]; then
            LAUNCH_DEPTH_STR="[$RECENT_PKG] "
          fi
        fi
        if [[ -z "$LAUNCH_DEPTH_STR" ]]; then
          LAUNCH_DEPTH_STR="[$LAUNCH_DEPTH] "
        fi
      fi
      export PS1="\n\[\033[1;32m\]$LAUNCH_DEPTH_STR[\[\e]0;\u@\h: \w\a\]\u@\h:\w]\$ \[\033[0m\]"
    '';
  };
  programs.vim.enable = true;

  home.packages = (with pkgs; [
    ripgrep
    whois
  ]);

  home.stateVersion = "20.09";
}