Hi all, 

is it possible to "clear" or "unregister" a variable ?

I have this situation:

deploy.yml
- include "deploy-apache.yml" 
- include "deploy-tomcat.yml"

deploy-apache and deploy-tomcat both have a dependency to a 
"deliver-artifact" role, and both run on the same server(s).
The {{installdir}} is either opt/web/install/apache or 
/opt/web/install/tomcat (read from included *.yml files)

The following task is implemented in this "shared" "deliver-artifact" role:

...
# for each run, backup the old installdir and install into an empty 
directory  
- name: stat installdir
  stat: path={{installdir}}
  register: installdir_stat

- name: get the current time for a timestamp
  command: date +%Y%m%d-%H%M%S
  register: time

- name: backup installdir 
  command: mv {{installdir}} {{installdir}}_{{time.stdout}}
  when: installdir_stat.stat.exists
...

It seems that the "installdir_stat.stat.exists" is true from the 
"deploy-apache.yml" run - where {{installdir}} was /opt/web/install/apache 

For "deploy-tomcat.yml" run the task now tries to mv a directory that 
doesnt exists - but the variable installdir_stat.stat.exists is true !

=> Can I clear the register ? Or what´s the solution here? 

Thanx, Torsten

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