dbus-discover: Discover DBUS session bus

dbus-discover

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+#!/bin/bash
+# Discover DBUS session bus
+# Source: can't remember where this from...
+
+# Remember to run this script using the command "source ./filename.sh"
+
+# Search these processes for the session variable
+# (they are run as the current user and have the DBUS session variable set)
+compatiblePrograms=( nautilus kdeinit kded4 pulseaudio trackerd )
+
+# Attempt to get a program pid
+for index in ${compatiblePrograms[@]}; do
+    PID=$(pidof -s ${index})
+    if [[ "${PID}" != "" ]]; then
+        break
+    fi
+done
+if [[ "${PID}" == "" ]]; then
+    echo "Could not detect active login session"
+    return 1
+fi
+
+QUERY_ENVIRON="$(tr '\0' '\n' < /proc/${PID}/environ | grep "DBUS_SESSION_BUS_ADDRESS" | cut -d "=" -f 2-)"
+if [[ "${QUERY_ENVIRON}" != "" ]]; then
+    export DBUS_SESSION_BUS_ADDRESS="${QUERY_ENVIRON}"
+    echo "Connected to session:"
+    echo "DBUS_SESSION_BUS_ADDRESS=${DBUS_SESSION_BUS_ADDRESS}"
+else
+    echo "Could not find dbus session ID in user environment."
+    return 1
+fi
+
+return 0
+