Add script for restarting ros nodes

deployment/rosresun.bash

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# source rosrerun.sh my_partial_node_name
+# https://gist.github.com/lucasw/292dc8d7dc82d6c4e99350498e173181
+
+node_name=$1
+echo $node_name
+
+# Get the command to launch the node, which should have __name
+# and remaps, but args are still on the parameter server so
+# are okay not to be here.
+# Only take first match, which may fail in combination
+# with the rosnode list below
+orig_cmd=`ps -eo args | grep  "__name:=$node_name" | grep __name | head -n 1`
+# get the namespace
+# (why don't roslaunched nodes have namespaces in the ps output?)
+node_path=`rosnode list | grep $node_name$ | sed 's:/[^/]*$::'`
+# adding the namespace here may be redundant but is harmless
+# if specified twice
+cmd="$orig_cmd __ns:=$node_path"
+echo "press ctrl-c then up arrow to run this again (only works if running this with source)"
+history -s $cmd
+$cmd