source: projects/update-from-skel/trunk/update-from-skel.in @ 4563

#!/bin/bash

prefix=@prefix@

# Enable NLS
export TEXTDOMAIN=update-from-skel
export TEXTDOMAINDIR=@localedir@

. gettext.sh

# output when differential is detected.
detect_different()
{
        echo
        echo "`eval_gettext "==================="`"
        echo "`eval_gettext "Detect differential"`"
        echo "`eval_gettext "==================="`"
}

# process different files.
proc_different()
{
        COLUMNS=$(tput cols)
        HALFCOL=$(expr $COLUMNS / 2 - 2)

        detect_different

        ok=0
        while [ $ok -eq 0 ]
        do
                printf "%-${HALFCOL}s%-${HALFCOL}s\n" ${myfile} ${skel}
                echo
                diff --side-by-side -W ${COLUMNS} $myfile $skel
                # menu
                echo "`eval_gettext "C) use Current file"`"
                echo "`eval_gettext "T) use Template file"`"
                echo "`eval_gettext "E) Edit on diff mode of vim"`"
                echo "`eval_gettext "I) merge Intaractively by sdiff"`"
                echo "`eval_gettext "Q) Quit"`"
                echo -n "`eval_gettext "What do you do? > "`"
                read command
                
                case "$command" in
                c|C)
                        ok=1
                        ;;
                t|T)
                        echo "`eval_gettext "copy \\\$skel to \\\$myfile"`"
                        cp -i $skel $myfile
                        diff -q $skel $myfile >/dev/null 2>&1
                        if [ $? -eq 0 ]; then
                                ok=1
                        fi
                        ;;
                e|E)
                        vim +r$myfile -d $myfile.new $skel
                        if [ -e $myfile.new ];then
                                mv $myfile.new $myfile
                        fi
                        diff -q $skel $myfile >/dev/null 2>&1
                        if [ $? -eq 0 ]; then
                                ok=1
                        fi
                        ;;
                i|I)
                        sdiff -o $myfile.new $myfile $skel
                        mv $myfile.new $myfile
                        ok=1
                        ;;
                q|Q)
                        exit
                        ;;
                *)
                        echo "`eval_gettext "You inputed wrong character."`"
                        echo
                        ;;
                esac
        done
        echo
}

# process no exists file
proc_no_exists()
{
        detect_different
        echo "`eval_gettext "\\\$skel is exists, but \\\$myfile isn\'t exists."`"
        echo
        ok=0
        while [ $ok -eq 0 ]
        do
                echo "`eval_gettext "C) Copy \\\$skel to \\\$myfile"`"
                echo "`eval_gettext "N) Nothing to do"`"
                echo "`eval_gettext "Q) Quit"`"
                echo -n "`eval_gettext "What do you do? > "`"
                read command
                
                case "$command" in
                c|C)
                        mkdir -p `dirname $myfile`
                        cp $skel $myfile
                        ok=1
                        ;;
                n|N)
                        ok=1
                        ;;
                q|Q)
                        exit
                        ;;
                *)
                        echo "`eval_gettext "You inputed wrong character."`"
                        echo
                        ;;
                esac
        done
}

# process unexpected directory
proc_dir()
{
        detect_different
        echo "`eval_gettext "\\\$skel is file, but $myfile is directory."`"
        echo
        ok=0
        while [ $ok -eq 0 ]
        do
                echo "`eval_gettext "R) Remove directory (\\\$myfile) and copy \\\$skel to \\\$myfile"`"
                echo "`eval_gettext "L) List contents of \\\$myfile"`"
                echo "`eval_gettext "N) Nothing to do"`"
                echo "`eval_gettext "Q) Quit"`"
                echo -n "`eval_gettext "What do you do? > "`"
                read command
                
                case "$command" in
                r|R)
                        rm -rf $myfile
                        cp $skel $myfile
                        ok=1
                        ;;
                l|L)
                        ls $myfile
                        ;;
                n|N)
                        ok=1
                        ;;
                q|Q)
                        exit
                        ;;
                *)
                        echo "`eval_gettext "You inputed wrong character."`"
                        echo
                        ;;
                esac
        done
}

# main loop
for skel in `find /etc/skel -type f 2>/dev/null`
do
        myfile=`echo $skel | sed -e "s|/etc/skel|$HOME|"`
        if [ -e $myfile -a -f $myfile ];then
                diff -q $myfile $skel >/dev/null 2>&1
                case $? in
                0)
                        echo "`eval_gettext "- There is no different beetween \\\$myfile and \\\$skel ."`"
                        ;;
                1)
                        proc_different
                        ;;
                2)
                        echo "`eval_gettext "- Unknown error was occured when compare beetween \\\$myfile and \\\$skel ."`"
                        ;;
                esac
        elif [ -d $myfile ]; then
                proc_dir
        else
                proc_no_exists
        fi
done