having to separate catking workspaces that do not interfere with each other

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Hello everyone,

I have a simple problem. On my robot I have 2 catkin workspaces. Lets call them ws_A and ws_B. ws_A is used for execution of packages I have tested in ws_B. Now that means that I will end up having the same packages in ws_A as in ws_B sometimes. I was always under the impression that when I source the setup.bash of ws_A I am only going to access packages in ws_A even though there might be a package with the same name in ws_B. Through some try and error I found out that sometimes I am accessing packages from the wrong workspace. Is this normal? Is my assumption wrong and should I give packages in ws_A a different name than packages in ws_B?

Here is another thing that I find curious. When I do a catkin_find (although I have only sourced the setup.bash of ws_A) this is what I get:

/home/catkin_ws_A/devel/etc
/home/catkin_ws_A/devel/include
/home/catkin_ws_A/devel/lib
/home/catkin_ws_A/devel/share
/home/catkin_ws_B/devel/etc
/home/catkin_ws_B/devel/include
/home/catkin_ws_B/devel/lib
/home/catkin_ws_B/devel/share
/opt/ros/hydro/bin
/opt/ros/hydro/etc
/opt/ros/hydro/include
/opt/ros/hydro/lib
/opt/ros/hydro/share

Now I have also checked my bash.rc file but it is the correct workspace that I am sourcing

Any help would be appreciated

Marcus