#! /bin/sh

# Start Vim on a copy of the tutor file.

# Usage: vimtutor [xx], where xx is a language code like "es" or "nl".
# When an argument is given, it tries loading that tutor.
# When this fails or no argument was given, it tries using 'v:lang'
# When that also fails, it uses the English version.

xx=$1
export xx

# Use Vim to copy the tutor, it knows the value of $VIMRUNTIME
TUTORCOPY=`tempfile -p tutor || mktemp /tmp/tutorXXXXXX || echo /tmp/tutor$$`
export TUTORCOPY

# Vim could be called "vim" or "vi".  Also check for "vim6", for people who
# have Vim 5.x installed as "vim" and Vim 6.0 as "vim6".
testvim=`which vim6`
if test -f "$testvim"; then
	VIM=vim6
else
	testvim=`which vim`
	if test -f "$testvim"; then
		VIM=vim
	else
		VIM=vi
	fi
fi

# The script tutor.vim tells Vim which file to copy
$VIM -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim'

# Start vim without any .vimrc, set 'nocompatible'
$VIM -u NONE -c "set nocp" $TUTORCOPY

# remove the copy of the tutor
rm $TUTORCOPY