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- #! /bin/sh
-
- # Start Vim on a copy of the tutor file.
-
- # Usage: vimtutor [-g] [xx]
- # Where optional argument -g starts vimtutor in gvim (GUI) instead of vim.
- # and 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.
-
- # Vim could be called "vim" or "vi". Also check for "vimN", for people who
- # have Vim installed with its version number.
- # We anticipate up to a future Vim 8 version :-).
- seq="vim vim8 vim75 vim74 vim73 vim72 vim71 vim70 vim7 vim6 vi"
- if test "$1" = "-g"; then
- # Try to use the GUI version of Vim if possible, it will fall back
- # on Vim if Gvim is not installed.
- seq="gvim gvim8 gvim75 gvim74 gvim73 gvim72 gvim71 gvim70 gvim7 gvim6 $seq"
- shift
- fi
-
- xx=$1
- export xx
-
- # We need a temp file for the copy. First try using a standard command.
- tmp="${TMPDIR-/tmp}"
- TUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none`
-
- # If the standard commands failed then create a directory to put the copy in.
- # That is a secure way to make a temp file.
- if test "$TUTORCOPY" = none; then
- tmpdir=$tmp/vimtutor$$
- OLD_UMASK=`umask`
- umask 077
- getout=no
- mkdir $tmpdir || getout=yes
- umask $OLD_UMASK
- if test $getout = yes; then
- echo "Could not create directory for tutor copy, exiting."
- exit 1
- fi
- TUTORCOPY=$tmpdir/tutorcopy
- touch $TUTORCOPY
- TODELETE=$tmpdir
- else
- TODELETE=$TUTORCOPY
- fi
-
- export TUTORCOPY
-
- # remove the copy of the tutor on exit
- trap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15
-
- for i in $seq; do
- testvim=`which $i 2>/dev/null`
- if test -f "$testvim"; then
- VIM=$i
- break
- fi
- done
-
- # When no Vim version was found fall back to "vim", you'll get an error message
- # below.
- if test -z "$VIM"; then
- VIM=vim
- fi
-
- # Use Vim to copy the tutor, it knows the value of $VIMRUNTIME
- # The script tutor.vim tells Vim which file to copy
- $VIM -f -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim'
-
- # Start vim without any .vimrc, set 'nocompatible'
- $VIM -f -u NONE -c "set nocp" $TUTORCOPY
-