wilde@680: #!/bin/bash
wilde@707: set -u
wilde@680: 
wilde@698: ME=`basename "$0"`
wilde@704: DEFAULT_PREFIX="$HOME/TrustBridge"
wilde@707: SYSDEFAULT_PREFIX="/usr/local"
wilde@700: CFGPATH="${XDG_DATA_HOME:-$HOME/.local/share}/BSI/TrustBridge"
wilde@700: SYSCFGPATH="/etc/TrustBridge"
wilde@700: INSTCFGNAME="installation.cfg"
wilde@705: FORCE=0
wilde@707: SYSINST=0
wilde@698: 
wilde@705: declare -A instcfg oldinstcfg
wilde@707: declare inst_default_prefix instcfg_file
wilde@700: instcfg=(
wilde@700:   [TIMESTMP]=`date -u +%Y%m%d%H%M%S`
wilde@700:   [VERSION]='@PROJECT_VERSION@'
wilde@700:   [PREFIX]=''
wilde@700: )
wilde@705: oldinstcfg=(
wilde@705:   [TIMESTMP]=''
wilde@705:   [VERSION]=''
wilde@705:   [PREFIX]=''
wilde@705: )
wilde@698: 
wilde@698: version()
wilde@698: {
wilde@698:   cat <<EOF
wilde@700: TrustBridge ${instcfg[VERSION]} Installer
wilde@698: 
wilde@698: Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
wilde@698: Software engineering by Intevation GmbH
wilde@698: 
wilde@698: This is free software.  You may redistribute copies of it under the terms of
wilde@698: the GNU GPL (v>=2).   See LICENSE.txt for details.
wilde@698: There is NO WARRANTY, to the extent permitted by law.
wilde@698: EOF
wilde@698:   exit 0
wilde@698: }
wilde@680: 
wilde@680: fatal()
wilde@680: {
wilde@680:   echo "$1" >&2
wilde@680:   echo "Installation failed." >&2
wilde@680:   exit 1
wilde@680: }
wilde@680: 
wilde@698: usage()
wilde@698: {
wilde@698:   cat <<EOF
wilde@698: Usage: $ME [OPTION]...
wilde@698: Install TrustBridge.
wilde@698: 
wilde@698: Options:
wilde@698:   -p, --prefix=PATH  install files in PATH
wilde@707:   -s, --system=PATH  make an system wide installation
wilde@707:   -f, --force        install to given prefix, even when a current
wilde@705:                      installation with different prefix exists.
wilde@698:       --help         display this help and exit
wilde@698:       --version      output version information and exit
wilde@698: EOF
wilde@698:   exit $1
wilde@698: }
wilde@698: 
wilde@698: parse_args()
wilde@698: {
wilde@698:   OPTS=`getopt \
wilde@707:       -l force,help,prefix:,system,version \
wilde@707:       -o f,p:,s -n "$ME" -- "$@"`
wilde@698:   [ $? -eq 0 ] || usage 23
wilde@698: 
wilde@698:   eval set -- "$OPTS"
wilde@698: 
wilde@698:   while true ; do
wilde@698:     case "$1" in
wilde@698:       --prefix|-p)
wilde@700:         instcfg[PREFIX]="$2"
wilde@698:         shift 2
wilde@698:         ;;
wilde@707:       --system|-s)
wilde@707:         SYSINST=1
wilde@707:         shift 1
wilde@707:         ;;
wilde@705:       --force|-f)
wilde@705:         FORCE=1
wilde@705:         shift 1
wilde@705:         ;;
wilde@698:       --help)
wilde@698:         usage 0
wilde@698:         ;;
wilde@698:       --version)
wilde@698:         version
wilde@698:         ;;
wilde@698:       --)
wilde@698:         shift
wilde@698:         break
wilde@698:         ;;
wilde@698:     esac
wilde@698:   done
wilde@698: }
wilde@698: 
wilde@707: init_vars()
wilde@707: {
wilde@707:   if [ $SYSINST -eq 1 ] ; then
wilde@707:       inst_default_prefix="$SYSDEFAULT_PREFIX"
wilde@707:       instcfg_file="${SYSCFGPATH}/${INSTCFGNAME}"
wilde@707:   else
wilde@707:     inst_default_prefix="$DEFAULT_PREFIX"
wilde@707:     instcfg_file="${CFGPATH}/${INSTCFGNAME}"
wilde@707:   fi
wilde@707: }
wilde@707: 
wilde@700: write_instcfg()
wilde@700: {
wilde@700:   install -d `dirname "$instcfg_file"`
wilde@700:   echo "# Created by TrustBridge-Installer, don't touch!" >"$instcfg_file"
wilde@700:   for key in "${!instcfg[@]}" ; do
wilde@700:     echo "${key}=${instcfg[$key]}" >>"$instcfg_file"
wilde@700:   done
wilde@700: }
wilde@700: 
wilde@705: read_oldinstcfg()
wilde@705: {
wilde@705:   if [ -r "$instcfg_file" ] ; then
wilde@705:       echo "Reading '$instcfg_file' ..."
wilde@705:       for key in "${!oldinstcfg[@]}" ; do
wilde@705:         oldinstcfg[$key]=`sed -n "/$key/s/[^=]*=\(.*\)/\1/p" "$instcfg_file"`
wilde@705:       done
wilde@707:   fi
wilde@705: }
wilde@705: 
wilde@707: check_priv()
wilde@707: {
wilde@707:   if [ $SYSINST -eq 1 -a "$UID" -ne 0 ] ; then
wilde@707:       fatal "System wide installation requires root privileges!"
wilde@707:   fi
wilde@707: }
wilde@707: 
wilde@707: 
wilde@698: #======================================================================
wilde@698: # main()
wilde@698: 
wilde@698: parse_args "$@"
wilde@707: init_vars
wilde@707: check_priv
wilde@705: read_oldinstcfg
wilde@698: 
wilde@680: cat <<EOF
wilde@680: ------------------------------------------------------------------------
wilde@680: 
wilde@680:    TrustBridge - Installer
wilde@700:    Version ${instcfg[VERSION]}
wilde@680: 
wilde@680: ------------------------------------------------------------------------
wilde@680: EOF
wilde@680: 
wilde@700: if [ -z "${instcfg[PREFIX]}" ] ; then
wilde@705: 
wilde@705:     if [ "${oldinstcfg[PREFIX]}" ] ; then
wilde@707:         inst_default_prefix="${oldinstcfg[PREFIX]}"
wilde@705:         echo "An existing installation (v${oldinstcfg[VERSION]}) was detected!"
wilde@705:         echo "It is HIGHLY RECOMMENDED to accept the default prefix"
wilde@705:         echo "to update the current installation."
wilde@705:         echo "For a new prefix you should deinstall first!"
wilde@705:     fi
wilde@707:     echo -n "Select installation prefix for TrustBridge [${inst_default_prefix}]: "
wilde@700:     read -e instcfg[PREFIX]
wilde@680: 
wilde@707:     [ -z "${instcfg[PREFIX]}" ] && instcfg[PREFIX]="${inst_default_prefix}"
wilde@705: else
wilde@705:   # Prefix was given on invocation:
wilde@705:   if [ "${oldinstcfg[PREFIX]}" -a \
wilde@705:        "${instcfg[PREFIX]}" != "${oldinstcfg[PREFIX]}" -a \
wilde@705:        $FORCE -ne 1 ] ; then
wilde@705:       fatal "Prefix differs from current installation (${oldinstcfg[PREFIX]}).  Aborting!"
wilde@705:   fi
wilde@698: fi
wilde@682: 
wilde@700: echo "Installing to '${instcfg[PREFIX]}':"
wilde@680: 
wilde@700: if [ ! -d "${instcfg[PREFIX]}" ] ; then
wilde@680:     echo "creating installation directory ..."
wilde@700:     install -d "${instcfg[PREFIX]}" || fatal "Could not create '${instcfg[PREFIX]}'!"
wilde@680: fi
wilde@680: 
wilde@680: echo "unpacking files ..."
wilde@700: cd "${instcfg[PREFIX]}"
wilde@680: 
wilde@680: # ----------------------------------------------------------------------
wilde@700: # regular shar archive inserted here:
wilde@700: ###SHAR###
wilde@700: # ----------------------------------------------------------------------
wilde@700: 
wilde@700: echo "Writing installation configuration to: $instcfg_file ..."
wilde@700: write_instcfg
wilde@700: exit 0