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Before we invested in the Aldon CMS package, we had our own Install
procedure. The heart of our system relied on a few key items:
- authority to update production source and programs revoked from programmers
- only a 'gatekeeper' (in our case the security officer) had Change
access to production programs and source
- programmers had only Read access to production data. This allowed
them to read the files to check for problems &c.
- programmers had Read access to production source (ie the ability to
copy source code to the source files in their own libraries.
- Testing was -never- done in the production files!!!!!!!!!!
- Once ready to go live, we had a program that performed the Install.
We had a few key commands that we built to make the Install process work:
The ARCHIVE command. This works just like a MOVOBJ, but if the
object already exists in the destination library, the destination
copy is renamed out of the way before the move. We allowed for 3
prior versions: the original, FRED, was renamed as FRED$$$$$$, which
became FRED###### then FRED@@@@@@. (If you list the library, the
names show in 'age sequence.'
A similar ARCHIVESRC command to do the same thing with the source members.
Both commands check for existence of members, files, destination
library, destination source file, etc. etc.
Then there was the wrapper to archive the old source/obj to a backup
library, archive the new source/obj to the production library, etc.
etc.
There was no 'checkout' procedure per se; we relied on the
programmers 'knowing' who was working on what objects. The 'checkin'
procedure through a gatekeeper was the main control we were
interested in.
Although the process isn't used for much anymore, the ARCHIVE
commands still get used from time to time.
Of course, it worked best when everything worked fine. We kept
adding more error checking as we went along.
--Paul E Musselman
PaulMmn@xxxxxxxxxxxxxxxxxxxx
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