source: trunk/ncurses/progs/capconvert@ 2961

#!/bin/sh
# $Id: capconvert,v 1.3 1997/08/02 21:52:06 tom Exp $
#
# capconvert -- automated conversion from termcap to terminfo
#

echo "This script tries to automatically set you up so that your applications"
echo "that now use termcap can use terminfo and the ncurses library."
echo ""

# Note, except for telling if we're running under xterm we don't use TERM at
# all.  This is because BSD users not infrequently have multiple termtypes
# selected by conditionals in tset -- unless they're xterm users, in which
# case they're on a workstation and probably don't.

# Check to make sure TERMINFO is not already defined
if test -n "$TERMINFO"
then
        echo "TERMINFO is already defined in your environment.  This means"
        echo "you already have a local terminfo tree, so you do not need any"
        echo "conversion."
        if test ! -d $TERMINFO ; then
                echo "Caution: TERMINFO does not point to a directory!"
        fi
        exit;
fi

# Check to see if terminfo is present in one of the standard locations.
terminfo=no
for p in $TERMINFO \
        /usr/lib/terminfo \
        /usr/share/lib/terminfo \
        /usr/share/terminfo \
        /usr/local/lib/terminfo \
        /usr/local/share/terminfo
do
        if test -d $p ; then
                terminfo=yes
                break
        fi
done

if test $terminfo = yes
then
        echo "Your system already has a system-wide terminfo tree."
        echo ""
        if test -z "$TERMCAP"
        then
                echo "You have no TERMCAP variable set, so we are done."
                # Assumes the terminfo master covers all canned terminal types
                exit;
        fi
        if test "$TERM" = "xterm"
        then
                echo "You are running xterm, which usually sets TERMCAP itself."
                echo "We can ignore this, because terminfo knows about xterm."
                echo "So you will just use the system-wide terminfo tree."
                exit;
        else
                echo "We will have to make a local one for you anyway, to capture the effect"
                echo "of your TERMCAP variable."
        fi
else
        echo "No system-wide terminfo tree.  We will make you a local one."
fi
echo "";

# Check if test -x works (it's not portable, but useful)
OPT="-x"
TMP=test$$; touch $TMP && chmod 755 $TMP
if test $OPT $TMP ; then
        chmod 644 $TMP
        test $OPT $TMP && OPT="-f"
else
        OPT="-f"
fi
rm -f $TMP

# First step -- go find tic
TIC=
IFS="${IFS=     }"; save_ifs="$IFS"; IFS="${IFS}:"
for x in $PATH .
do
        if test $OPT $x/tic
        then 
                TIC=$x/tic
                break
        fi
done
IFS="$ac_save_ifs"

if test -n "$TIC"
then
        echo "I see tic at $TIC."
        case $TIC in # (vi
        ./tic)
                if test $OPT ../misc/shlib ; then
                        TIC="../misc/shlib $TIC"
                fi
                ;;
        esac
else
        echo "You do not have tic installed anywhere I can see, please fix that."
        exit;
fi
echo "";

# We have tic.  Either there's no system terminfo tree or there is one but
# the user has a TERMCAP variable that may modify a stock description.
#

# Make the user a terminfo directory
if test -d $HOME/.terminfo
then
        echo "It appears you already have a private terminfo directory"
        echo "at $HOME/.terminfo; this seems odd, because TERMINFO"
        echo "is not defined.  I am not going to second-guess this -- if you" 
        echo "really want me to try auto-configuring for you, remove or"
        echo "rename $HOME/terminfo and run me again."
        exit;
else
        echo "I am creating your private terminfo directory at $HOME/.terminfo"
        mkdir $HOME/.terminfo
        # Ensure that that's where tic's compilation results.
        # This isn't strictly necessary with a 1.9.7 or later tic.
        TERMINFO="$HOME/.terminfo"; export TERMINFO
fi
echo "";

# Find a terminfo source to work from
if test -f ../misc/terminfo.src
then
        echo "I see the terminfo master source is handy; I will use that."
        master=../misc/terminfo.src
else
        # Ooops...looks like we're running from somewhere other than the
        # progs directory of an ncurses source tree.
        master=`find $HOME -name "*terminfo.src" -print`
        mcount=`echo $master | wc -l`
        case $mcount in
        0)
                echo "I can not find a terminfo source file anywhere under your home directory."
                echo "There should be a file called terminfo.src somewhere in your"
                echo "ncurses distribution; please put it in your home directotry"
                echo "and run me again (it does not have to live there permanently)."
                exit;
        ;;
        1)
                echo "I see a file called $master."
                echo "I am going to assume this is the terminfo source included with"
                echo "the ncurses distribution.  If this assumption is wrong, please"
                echo "interrupt me now!  OK to continue?"
                read ans;
        ;;
        2)
                echo "I see more than one possible terminfo source.  Here they are:"
                echo $master | sed "/^/s//      /";
                while :
                do
                        echo "Please tell me which one to use:"
                        read master;
                        if test -f $master
                        then
                                break
                        else
                                echo "That file does not exist. Try again?";
                        fi
                done
        ;;
        esac
fi
echo "";

# Now that we have a master, compile it into the local tree
echo "OK, now I will make your private terminfo tree.  This may take a bit..."
#
# Kluge alert: we compile terminfo.src in two pieces because a lot of machines
# with < 16MB RAM choke on tic's core-hog habits.
trap "rm -f tsplit$$.*" 0 1 2 5 15
sed -n $master \
        -e '1,/SPLIT HERE/w 'tsplit$$.01 \
        -e '/SPLIT HERE/,$w 'tsplit$$.02 \
        2>/dev/null
for x in tsplit$$.*; do eval $TIC $x; done
rm tsplit$$.*
trap 0 1 2 5 15
#
echo "You now have a private tree under $HOME/.terminfo;"
echo "the ncurses library will automatically read from it,"
echo "and ncurses tic will automatically compile entries to it." 

# We're done unless user has a .termcap file or equivalent named by TERMCAP
if test -z "$TERMCAP"
then
        echo "You have no TERMCAP set, so we are done."
fi

# OK, here comes the nasty case...user has a TERMCAP.  Instead of
# trying to follow all the convolutions of the relationship between
# TERM and TERMCAP (partly because it's too painful, and partly because
# we don't actually know what TERM will be nor even if it always has
# the same value for this user) we do the following three steps...

if test -f $HOME/.termcap
then
        echo 'I see you have a $HOME/.termcap file.  I will compile that.'
        eval $TIC $HOME/.termcap
        echo "Done."
        echo "Note that editing $HOME/.termcap will no longer change the data curses sees."
elif test -f "$TERMCAP"
then 
        echo "Your TERMCAP names the file $TERMCAP.  I will compile that."
        eval $TIC $TERMCAP
        echo "Done."
        echo "Note that editing $TERMCAP will no longer change the data curses sees."
else
        echo "Your TERMCAP value appears to be an entry in termcap format."
        echo "I will compile it."
        echo $TERMCAP >myterm$$
        eval $TIC myterm$$
        rm myterm$$
        echo "Done."
        echo "Note that editing TERMCAP will no longer change the data curses sees."
fi
echo "To do that, decompile the terminal decription you want with infocmp(1),"
echo "edit to taste, and recompile using tic(1)."

# capconvert ends here