#!/bin/bash
# Filename:      ${GRML_FAI_CONFIG}/config/scripts/GRMLBASE/90-update-alternatives
# Purpose:       set up /etc/alternatives/* according to grml preferences
# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2 or any later version.
################################################################################

set -u
set -e

# starting with vim v2:8.1.2136-1 it uses /usr/libexec/vim for the vim.* binaries
if $ROOTCMD update-alternatives --list editor 2>/dev/null | grep -q /usr/libexec/vim ; then
  VIM_PATH=/usr/libexec/vim
else # for backwards compatibility
  VIM_PATH=/usr/bin
fi

if $ROOTCMD update-alternatives --list editor 2>/dev/null | grep -q 'vim.gtk3' ; then
  echo "Setting vim.gtk3 as editor using update-alternatives."
  $ROOTCMD update-alternatives --set editor "${VIM_PATH}"/vim.gtk3
  $ROOTCMD update-alternatives --set vi     "${VIM_PATH}"/vim.gtk3
  $ROOTCMD update-alternatives --set vim    "${VIM_PATH}"/vim.gtk3
elif $ROOTCMD update-alternatives --list editor 2>/dev/null | grep -q 'vim.gtk$' ; then
  echo "Setting vim.gtk as editor using update-alternatives."
  $ROOTCMD update-alternatives --set editor "${VIM_PATH}"/vim.gtk
  $ROOTCMD update-alternatives --set vi     "${VIM_PATH}"/vim.gtk
  $ROOTCMD update-alternatives --set vim    "${VIM_PATH}"/vim.gtk
elif $ROOTCMD update-alternatives --list editor 2>/dev/null | grep -q 'vim.basic' ; then
  echo "Setting vim.basic as editor using update-alternatives."
  $ROOTCMD update-alternatives --set editor "${VIM_PATH}"/vim.basic
  $ROOTCMD update-alternatives --set vi     "${VIM_PATH}"/vim.basic
  $ROOTCMD update-alternatives --set vim    "${VIM_PATH}"/vim.basic
elif $ROOTCMD update-alternatives --list editor 2>/dev/null | grep -q 'vim.tiny' ; then
  echo "Setting vim.tiny as editor using update-alternatives."
  $ROOTCMD update-alternatives --set editor "${VIM_PATH}"/vim.tiny
  $ROOTCMD update-alternatives --set vi     "${VIM_PATH}"/vim.tiny
else
  echo "Warning: No vim binary suitable for update-alternatives found."
fi

if $ROOTCMD update-alternatives --list x-terminal-emulator 2>/dev/null | grep -q '/uxterm' ; then
  echo "Setting uxterm as x-terminal-emulator using update-alternatives."
  $ROOTCMD update-alternatives --set x-terminal-emulator /usr/bin/uxterm
elif $ROOTCMD update-alternatives --list x-terminal-emulator 2>/dev/null | grep -q '/xterm' ; then
  echo "Setting xterm as x-terminal-emulator using update-alternatives."
  $ROOTCMD update-alternatives --set x-terminal-emulator /usr/bin/xterm
fi

if $ROOTCMD update-alternatives --list x-cursor-theme 2>/dev/null | grep -q '/whiteglass.theme' ; then
  echo "Setting whiteglass.theme as x-cursor-theme using update-alternatives."
  $ROOTCMD update-alternatives --set x-cursor-theme /etc/X11/cursors/whiteglass.theme
fi

if $ROOTCMD update-alternatives --list x-www-browser 2>/dev/null | grep -q '/iceweasel' ; then
  echo "Setting iceweasel as x-www-browser using update-alternatives."
  $ROOTCMD update-alternatives --set x-www-browser /usr/bin/iceweasel
fi

if $ROOTCMD update-alternatives --list x-www-browser 2>/dev/null | grep -q '/firefox-esr' ; then
  echo "Setting firefox-esr as x-www-browser using update-alternatives."
  $ROOTCMD update-alternatives --set x-www-browser /usr/bin/firefox-esr
fi

if $ROOTCMD update-alternatives --list www-browser 2>/dev/null | grep -q '/w3m' ; then
  echo "Setting w3m as www-browser using update-alternatives."
  $ROOTCMD update-alternatives --set www-browser /usr/bin/w3m
fi

if $ROOTCMD update-alternatives --list x-window-manager 2>/dev/null | grep -q '/wm-ng' ; then
  echo "Setting wm-ng as x-window-manager using update-alternatives."
  $ROOTCMD update-alternatives --set x-window-manager /usr/bin/wm-ng
fi

# sadly isn't available via update-alternates, anyway - use
# ntfs-3g (if available) as default for ntfs
if [ -r $target/sbin/mount.ntfs-3g ] || [ -L $target/sbin/mount.ntfs-3g ] ; then
  $ROOTCMD ln -sf /sbin/mount.ntfs-3g /sbin/mount.ntfs
fi

## END OF FILE #################################################################
# vim:ft=sh expandtab ai tw=80 tabstop=4 shiftwidth=2