#!/bin/sh

_os="$(uname)"

export LANG="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
# The en_US.UTF-8 causes weird sorting.
# (not really, but I prefer C based sort.)
export LC_COLLATE=C
export LC_MESSAGES=C

if command -v tmux > /dev/null 2>&1; then
  case "${_os}" in
  OpenBSD)
    # FIXME: OpenBSD version check
    _tmux_conf_ver=1.9
  ;;
  *)
    case "$(tmux -V 2> /dev/null)" in
    "tmux 1."[1-9][0-9]*|"tmux 1.9"*) _tmux_conf_ver=1.9;;
    "tmux 1."[4-8]*) _tmux_conf_ver=1.4;;
    *) _tmux_conf_ver=1.3;;
    esac
  ;;
  esac
  alias tmux="tmux -f '""${HOME}""/.tmux-""${_tmux_conf_ver}"".conf'"
  unset _tmux_conf_ver
fi

if command -v vim > /dev/null 2>&1; then
  alias vi=vim
  export EDITOR=vim
fi

if command -v less > /dev/null 2>&1; then
  export PAGER=less
  export LESS=-FMRXginsz-2
fi

# Must be set after setting $EDITOR.
set -o emacs

unset _os