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Bug 63904 - /etc/bashrc could optimise resource usage with PROMPT_COMMAND and /etc/sysconfig/bash-prompt-{xterm,default}
/etc/bashrc could optimise resource usage with PROMPT_COMMAND and /etc/syscon...
Product: Red Hat Linux
Classification: Retired
Component: setup (Show other bugs)
noarch Linux
medium Severity low
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Assigned To: Bill Nottingham
David Lawrence
Depends On:
  Show dependency treegraph
Reported: 2002-04-21 06:21 EDT by Martin Sandiford
Modified: 2014-03-16 22:27 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2004-09-23 01:40:45 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Martin Sandiford 2002-04-21 06:21:56 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020311

Description of problem:
/etc/bashrc could set PROMPT_COMMAND to "source
/etc/sysconfig/bash-prompt-xterm" instead of executing directly.

This would prevent an additional shell being run for trivial shell scripts (eg
echo commands).  Scripts that required a separate shell execution could
trivially spawn a new shell in the script.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
This is a optimisation issue, rather than a bug per se.  The system is currently
performing as expected.

Additional info:

Simple change to /etc/bashrc (hence the setup package) at line 28 for setup-2.5.7-1:


PROMPT_COMMAND="source /etc/sysconfig/bash-prompt-xterm"
Comment 1 Bill Nottingham 2004-09-23 01:40:45 EDT
Hm, while this is an optimization, this would break making that an
executable (dunno why you'd do that, but...)

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