ftp.wwiv.com/ftp.wwiv.com.zip/ftp.wwiv.com/pub/BBS/AMC0995.ZIP/install.sh

Linux/UNIX/POSIX Shell Script | 2004-07-03 | 5KB | 244 lines

#!/bin/sh
#
#  AMC (Automatic Message Creator) installation script
#    (c) 2004/11/06  -  J/D.H. Beekhuizen
#

#  Version number
VERSION=0.99.5/Linux

declare -i Count

# some useful functions

#  Request displays the first parameter, and asks a new value for
#  variable, which name is # in the second parameter

Request ()
{
qvar=$2
eval oldvar=\$$qvar
eval echo -n \""$1 [$oldvar] : "\"
read $qvar
eval test -z \"\$$qvar\" && eval $qvar=\'$oldvar\'
}

#  YesNo gives you value 1 on "no", value 0 on "yes"
#  The parameter specifies the text to display

YesNo ()
{
    while true
        do
        echo -n "$1 (Y/n) ? "
        read qans
        case Q$qans in
            Q|Qy|QY) return 0;;
            Qn|QN)   return 1;;
        esac
    done
}

#  Well...
#

Sorry ()
{
    echo
    echo "I'm sorry I couldn't be of any help."
    echo
    exit 5
}

#  Things could go wrong...
#

InstallProblem ()
{
    echo
    echo "The 'install' utility returned an error."
    echo "Unable to proceed!"
    echo
    if [ "" = "True" ]
        then
        rm -rf  2>&1 > /dev/null
    fi
    exit 7
}

LinkProblem ()
{
    echo
    echo "The symbolic link could not be made."
    echo "Please investigate this and do it manually."
    echo
}

#  You must be root to use this script
#

if [ "`id -un`" != "root" ]
    then
    echo
    echo "You must be root to install AMC for general use!"
    echo "Please read 00INSTALL for instructions on installation."
    echo
    exit 3
fi


#  Blurb
#

clear
echo
echo "This script will install"
echo "Automatic Message Creator  v$VERSION"
echo "for general use."
echo

#  The default is to install in /opt/amc

PREFIX=/opt

#  Get the installation directory

Request "Please specify the directory to install AMC in" PREFIX

AMC_ROOT=$PREFIX/amc
AMC_BIN=$AMC_ROOT/bin
AMC_OLDLANG=$AMC_BIN/lang
AMC_LIB=$AMC_ROOT/lib
AMC_LANG=$AMC_LIB/lang
AMC_ETC=$AMC_ROOT/etc
AMC_DOC=$AMC_ROOT/doc
AMC_LOG=$AMC_ROOT/log
AMC_LOGfile=$AMC_ROOT/log/amc.log

#  Check if it exists already

if [ -d $AMC_ROOT ]
    then
    echo
    echo "There already exists a directory $AMC_ROOT."
    echo "If you choose to overwrite it, any existing default configuration files"
    echo "and language resource files will be saved."
    if YesNo "Do you want to overwrite it"
        then
        if YesNo "Are you absolutely sure"
            then
            AMC_New=False
            Count=10
            while [ $Count -gt 0 ]
                do
                echo -en "Starting in $Count seconds; use <Ctrl>C to bail out "\\r
                sleep 1
                Count=$(($Count-1))
            done
            echo
            echo
        else
            Sorry
        fi
    else
        Sorry
    fi
else
    AMC_New=True
fi

#  OK, now do the installation
#

#  Make the directories
#

install -o root -g root -m 755 -d $AMC_ROOT      ||  InstallProblem
install -o root -g root -m 755 -d $AMC_BIN       ||  InstallProblem
install -o root -g root -m 755 -d $AMC_LANG      ||  InstallProblem
install -o root -g root -m 755 -d $AMC_DOC       ||  InstallProblem
install -o root -g root -m 755 -d $AMC_ETC       ||  InstallProblem
install -o root -g root -m 755 -d $AMC_LOG       ||  InstallProblem

#  Save old default configuration and language resource files
#

if [ "$AMC_New" = "False" ]
    then
    if [ -d $AMC_OLDLANG ]
        then
        mv $AMC_OLDLANG/* $AMC_LANG/  > /dev/null 2>&1
        rm -r $AMC_OLDLANG             > /dev/null 2>&1
        echo "NOTICE: the language resource files have been moved"
        echo "            from $AMC_OLDLANG"
        echo "              to $AMC_LANG"
    fi
    for ll in en nl de
        do
        LFILE=amc_messages.$ll.po
        if [ -f $AMC_LANG/$LFILE    ]
            then
            mv $AMC_LANG/$IFILE $AMC_LANG/$LFILE.sav  > /dev/null 2>&1
            echo "NOTICE: file $AMC_LANG/$LFILE has been saved as"
            echo "             $AMC_LANG/$LFILE.sav"
        fi
    done
    for ff in amc.cfg amc.txt amcbirth.day
        do
        if [ -f $AMC_ETC/$ff    ]
            then
            mv $AMC_ETC/$ff $AMC_ETC/$ff.sav  > /dev/null 2>&1
            echo "NOTICE: file $AMC_ETC/$ff has been saved as"
            echo "             $AMC_ETC/$ff.sav"
        fi
    done
fi

#  Install the contents
#

install -o root -g root -m 755 -s bin/* $AMC_BIN
install -o root -g root -m 666 lib/lang/* $AMC_LANG
install -o root -g root -m 644 doc/* $AMC_DOC
install -o root -g root -m 644 etc/* $AMC_ETC
install -o root -g root -m 666 /dev/null $AMC_LOGfile

chmod 444 $AMC_LANG/README
chmod 444 $AMC_LANG/amc_messages.00.po

#  Installation done
#

echo
echo "The installation is finished."
echo "The executable file is:                  " $AMC_BIN
echo "The language resource files are in:      " $AMC_LANG
echo "The default configuration files are in:  " $AMC_ETC
echo "The default log file is:                 " $AMC_LOGfile
echo "Documentation is in:                     " $AMC_DOC

#  Make a link?
#

echo
echo "It is possible to create a symbolic link to AMC"
echo "either in /usr/local/bin or in /usr/bin"
echo

if YesNo "Do you want to create a symbolic link in /usr/local/bin"
    then
    ln -sf $AMC_BIN/amc /usr/local/bin/amc  ||  LinkProblem
else
    if YesNo "Do you want to create a symbolic link in /usr/bin"
        then
        ln -sf $AMC_BIN/amc /usr/bin/amc    ||  LinkProblem
    fi
fi

echo
echo "AMC is now installed and ready for use."
echo "Please change the configuration to your own needs."
echo
echo "Have fun with it!"
echo