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