UNIX for Advanced & Expert Users

echo $PATH

chmod +x add_firefox_extensions

#! /bin/bash
#


USAGE () {
    USG=\
"
___________________________________________________________________

${0##*/} [-h] XPI_FILE_TO_INSTALL

installs the xpi file to /usr/lib/firefox-addons/extensions which
will inable installation the next time the user runs firefox

-h    print help
___________________________________________________________________
"
    LC=1
    echo "$USG"
    exit
}

if [ $# -lt 1 -o "$1" = -h ] ; then USAGE ; fi 

setUp () {
    if [ ! -f $EXT ] ; then
        echo "File doesn't exist"
        exit 1
    fi
    umask 0022
    if [ -d $TMPDIR ] ; then
        (cd $TMPDIR ; sudo rm -rf *)
    else
        sudo mkdir -p "$TMPDIR"
    fi
    echo -e "\n\nworking . . .\n\n"
    sudo unzip "$EXT" -d "$TMPDIR" &> /dev/null
}

getID () {
    local IFS="
"
    FILE="`cat $TMPDIR/install.rdf`"
    for i in $FILE ; do
        if echo "$i"|grep "urn:mozilla:install-manifest" &> /dev/null ; then
            GET=true
        fi
        if [ "$GET" = true ] ; then
            if echo "$i"|grep "<em:id>" ; then
                ID=`echo "$i" | sed 's#.*<em:id>\(.*\)</em:id>.*#\1#'`
            elif echo "$i"|grep "em:id=\"" ; then
                ID=`echo "$i" | sed 's/.*em:id="\(.*\)".*/\1/'`
            fi
            if [ -n "$ID" ] ; then
                return
            fi
        fi
    done
    return 1
}

installExtention () {
    if [ -d "$EXTDIR/$ID" ] ; then
        sudo rm -rvf "$EXTDIR/$ID"
    fi
    sudo mv -vv "$TMPDIR" "$EXTDIR/$ID"
    if [ $? = 0 ] ; then
        echo -e "\n\nExtension was installed\n\n"
    else
        echo -e "\n\nError installing extension\n\n"
    fi
}

getPath () {
    (
    cd ${1%%/*}
    pwd
    )
}

cleanUp () {
    if [ -d $TMPDIR ] ; then
        sudo rm -rf $TMPDIR
    fi
    exit $1
}

EXT="$1"

EXTDIR="/usr/lib/firefox-addons/extensions"
TMPDIR="/tmp/ext"

trap "cleanUp 1" 1 2 3 15

setUp

getID

installExtention

cleanUp