annotate src/vimtutor @ 18478:94223687df0e

Added tag v8.1.2233 for changeset e93cab5d0f0f27fad7882f1f412927df055b090d
author Bram Moolenaar <Bram@vim.org>
date Tue, 29 Oct 2019 04:30:05 +0100
parents 5eac31544dd0
children d4faa2c5211b
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7
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1 #! /bin/sh
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2
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3 # Start Vim on a copy of the tutor file.
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4
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5 # Usage: vimtutor [-g] [xx]
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6 # Where optional argument -g starts vimtutor in gvim (GUI) instead of vim.
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7 # and xx is a language code like "es" or "nl".
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8 # When an argument is given, it tries loading that tutor.
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9 # When this fails or no argument was given, it tries using 'v:lang'
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10 # When that also fails, it uses the English version.
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11
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12 # Vim could be called "vim" or "vi". Also check for "vimN", for people who
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13 # have Vim installed with its version number.
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14 # We anticipate up to a future Vim 8.1 version :-).
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15 seq="vim vim81 vim80 vim8 vim74 vim73 vim72 vim71 vim70 vim7 vim6 vi"
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16 if test "$1" = "-g"; then
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17 # Try to use the GUI version of Vim if possible, it will fall back
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18 # on Vim if Gvim is not installed.
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19 seq="gvim gvim81 gvim80 gvim8 gvim74 gvim73 gvim72 gvim71 gvim70 gvim7 gvim6 $seq"
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20 shift
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21 fi
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22
7
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23 xx=$1
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24 export xx
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25
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26 # We need a temp file for the copy. First try using a standard command.
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27 tmp="${TMPDIR-/tmp}"
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28 TUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none`
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29
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30 # If the standard commands failed then create a directory to put the copy in.
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31 # That is a secure way to make a temp file.
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32 if test "$TUTORCOPY" = none; then
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33 tmpdir=$tmp/vimtutor$$
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34 OLD_UMASK=`umask`
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35 umask 077
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36 getout=no
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37 mkdir $tmpdir || getout=yes
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38 umask $OLD_UMASK
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39 if test $getout = yes; then
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40 echo "Could not create directory for tutor copy, exiting."
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41 exit 1
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42 fi
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43 TUTORCOPY=$tmpdir/tutorcopy
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44 touch $TUTORCOPY
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45 TODELETE=$tmpdir
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46 else
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47 TODELETE=$TUTORCOPY
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48 fi
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49
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50 export TUTORCOPY
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51
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52 # remove the copy of the tutor on exit
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53 trap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15
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54
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55 for i in $seq; do
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56 testvim=`which $i 2>/dev/null`
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57 if test -f "$testvim"; then
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58 VIM=$i
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59 break
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60 fi
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61 done
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62
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63 # When no Vim version was found fall back to "vim", you'll get an error message
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64 # below.
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65 if test -z "$VIM"; then
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66 VIM=vim
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67 fi
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68
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69 # Use Vim to copy the tutor, it knows the value of $VIMRUNTIME
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70 # The script tutor.vim tells Vim which file to copy
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71 $VIM -f -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim'
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72
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73 # Start vim without any .vimrc, set 'nocompatible' and 'showcmd'
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74 $VIM -f -u NONE -c "set nocp showcmd" $TUTORCOPY