make our launcher scripts recognize cascading defaults
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Key: BIGTOP-492
URL: https://issues.apache.org/jira/browse/BIGTOP-492
Project: Bigtop
Issue Type: Bug
Components: General
Affects Versions: 0.4.0
Reporter: Roman Shaposhnik
Assignee: Roman Shaposhnik
Fix For: 0.4.0
Almost all Unix (POSIX?) command line utilities have a nice feature of
recognizing cascading defaults. The system-level one is typically named
/etc/<util>rc and the user-level one is typically picked from ~/.<util>rc
I propose that we introduce the same for all of the /usr/bin launcher scripts
that we support in Bigtop. The proposed format of the rc files is that of
POSIX-compatible sh(1) code snippet with an overall effect of exporting those
variables that affect execution.
Thoughts?
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