--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/packaging/linux-installer-common.inc.in	Wed Sep 17 18:53:04 2014 +0200
@@ -0,0 +1,187 @@
+#-*-sh-*-
+ME=`basename "$0"`
+DEFAULT_PREFIX="$HOME/TrustBridge"
+SYSDEFAULT_PREFIX="/usr/local"
+CFGPATH="${XDG_CONFIG_HOME:-$HOME/.config}/BSI"
+DATAPATH="${XDG_DATA_HOME:-$HOME/.local/share}/BSI/TrustBridge"
+SYSCFGPATH="/etc/TrustBridge"
+# FIXME:
+# Set the real data path for system wide installation once its known.
+SYSDATAPATH="$DATAPATH"
+INSTCFGNAME="TrustBridge-inst.cfg"
+FORCE=0
+SYSINST=0
+DEINSTALL=0
+UPDATE=0
+BINNAMES="###BINNAMES###"
+ICONNAME="###ICONNAME###"
+HELPNAMES="###HELPNAMES###"
+HELPNAMES_SOURCES="###HELPNAMES_SOURCES###"
+HELPNAMES_STATIC="###HELPNAMES_STATIC###"
+HELPNAMES_IMG="###HELPNAMES_IMG###"
+ARCH="###ARCH###"
+
+declare -A instcfg oldinstcfg
+declare inst_default_prefix instdata_path instcfg_path instcfg_file
+instcfg=(
+  [TIMESTMP]=`date -u +%Y%m%d%H%M%S`
+  [VERSION]='@PROJECT_VERSION@'
+  [PREFIX]=''
+)
+oldinstcfg=(
+  [TIMESTMP]=''
+  [VERSION]=''
+  [PREFIX]=''
+)
+
+declare -A L10N_DE
+###INCLUDE:linux-installer.l10n-de
+
+getxt()
+{
+  # Poor mans gettext for l10n completely self contained in one shell
+  # script.
+  MSGID="$1"
+  shift
+  case ${LANGUAGE:-${LC_ALL:-${LC_MESSAGES:-$LANG}}} in
+    de*)
+      if [ "${L10N_DE[$MSGID]}" ] ; then
+          MSG="${L10N_DE[$MSGID]}"
+      else
+        MSG="$MSGID"
+      fi
+      ;;
+    *)
+      MSG="$MSGID"
+      ;;
+  esac
+
+  printf "$MSG" "$@"
+}
+
+version()
+{
+  cat <<EOF
+TrustBridge ${instcfg[VERSION]} Installer
+
+Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
+Software engineering by Intevation GmbH
+
+This file is Free Software under the GNU GPL (v>=2)
+and comes with ABSOLUTELY NO WARRANTY!
+See LICENSE.txt for details.
+EOF
+  exit 0
+}
+
+fatal()
+{
+  getxt "$1" >&2
+  if [ $DEINSTALL -eq 1 ] ; then
+      getxt "Deinstallation failed.\n" >&2
+  else
+    getxt "Installation failed.\n" >&2
+  fi
+  exit 1
+}
+
+yorn()
+{
+  local c
+  while true ; do
+    read -n 1 c
+    echo
+    case "$c" in
+      y|Y|j|J)
+        return 0
+        ;;
+      n|N)
+        return 1
+        ;;
+      *)
+        getxt >&2 "Answer [Y]es or [N]o:\n"
+    esac
+  done
+}
+
+check_priv()
+{
+  if [ $SYSINST -eq 1 -a "$UID" -ne 0 ] ; then
+      fatal "System wide installation or deinstallation requires root privileges!\n"
+  fi
+}
+
+init_vars()
+{
+  if [ -n "${SUDO_USER-}" ] ; then
+    # Default to system wide installation when running with sudo
+    SYSINST=1
+  fi
+
+  if [ $SYSINST -eq 1 ] ; then
+      inst_default_prefix="$SYSDEFAULT_PREFIX"
+      instcfg_path="${SYSCFGPATH}"
+      instdata_path="${SYSDATAPATH}"
+      autostart_path="$(getent passwd "${SUDO_USER}" | cut -d ':' -f 6)/.config/autostart"
+      startmenu_path="/usr/share/applications"
+  else
+    inst_default_prefix="$DEFAULT_PREFIX"
+    instcfg_path="${CFGPATH}"
+    instdata_path="${DATAPATH}"
+    autostart_path=${XDG_CONFIG_HOME:-~/.config/autostart}
+    startmenu_path=${XDG_DATA_HOME:-~/.local/share/applications}
+    if [ $DEINSTALL -eq 1 ] ; then
+        if [ ! -r ${instcfg_path}/${INSTCFGNAME} ]; then
+            if [ -r ${SYSCFGPATH}/${INSTCFGNAME} ]; then
+                # Fall back to system uninstallation if no user config found
+                SYSINST=1
+                init_vars
+                check_priv
+            fi
+        fi
+    else
+      # extra bin path not needed on deinstall:
+      extra_bin_path=`mktemp --tmpdir -d tmpbin.XXXXXXXXXX`
+    fi
+  fi
+  instcfg_file="${instcfg_path}/${INSTCFGNAME}"
+  HOST_ARCH=$(uname -m)
+}
+
+read_oldinstcfg()
+{
+  if [ -r "$instcfg_file" ] ; then
+      getxt "Reading '%s' ...\n" "$instcfg_file"
+      for key in "${!oldinstcfg[@]}" ; do
+        oldinstcfg[$key]=`sed -n "/$key/s/[^=]*=\(.*\)/\1/p" "$instcfg_file"`
+      done
+  fi
+}
+
+
+setup_cronjob()
+{
+  local tmpcrontab=`mktemp`
+
+  if [ $SYSINST -eq 1 -a "${SUDO_USER+X}" ] ; then
+      local crontabopt="-u $SUDO_USER"
+  else
+      local crontabopt=''
+  fi
+
+  if [ "$1" != "deinstall" ] ; then
+      local trustbridge_tray_starter="${instcfg[PREFIX]}/bin/trustbridge-tray-starter.sh"
+  else
+    local trustbridge_tray_starter="${oldinstcfg[PREFIX]}/bin/trustbridge-tray-starter.sh"
+  fi
+
+  crontab $crontabopt -l | \
+      grep -vF "$trustbridge_tray_starter" \
+           >"$tmpcrontab"
+  if [ "$1" != "deinstall" ] ; then
+      echo "$(( $RANDOM / 555 )) 12  * * * \"$trustbridge_tray_starter\"" \
+           >>"$tmpcrontab"
+  fi
+  crontab $crontabopt "$tmpcrontab"
+  rm "$tmpcrontab"
+}