Hello All,
I am writing an RPM for RHEL 2.1. In it, I need to take actions in the
%post script depending on the Update Release (e.g. RHEL 2.1 WS Update 3).
The two ways I have tried to find this information has been:
1) Reading /etc/redhat-release. This is unfortunately inconsistent.
Examples:
RHEL 2.1 WS Update 5 says: "Red Hat Enterprise Linux WS release 2.1
U5 (Tampa)"
RHEL 2.1 WS Update 5 says: "Red Hat Enterprise Linux WS release 2.1
(Tampa)"
RHEL 2.1 AS Update 6 says : "Red Hat Linux Advanced Server release
2.1AS (Pensacola)"
Therefor I cannot rely upon /etc/redhat-release to provide me with the
update release information under RHEL 2.1 (however RHEL 3 and 4 have a
consistent format).
2) Reading the redhat-release package information. Technically this
contains the information (albeit in a peculiar form):
RHEL 2.1 WS Update 5:
# rpm -qa | grep redhat-release
redhat-release-ws-2.1WS-18
RHEL 2.1 WS Update 6:
# rpm -qa | grep redhat-release
redhat-release-ws-2.1WS-20
I guess Update 5 is release "18" and Update 6 is release "20". Okay, fine
by me.
I need this information in my %post script. However, under RHEL 2.1, here's
what happens when my %postscript contains the following line:
INFO=`rpm -qa | grep redhat-release`
# rpm -ivh test-1.0-1.noarch.rpm
Preparing... ###########################################
[100%]
error: cannot get shared lock on /var/lib/rpm/Packages
error: cannot open Packages index using db3 - Operation not permitted (1)
This works with RHEL 3 and 4 however.
So, here's my primary question:
How do I find out the Update Release of an RHEL 2.1 System, in a form that
I can use in an RPM %post script?
Further, how indeed do I get access to any RPM database information from
with an RPM %post script?
Seeing as how the whole idea of RPM is to take appropriate action based on
the versions of other installed software packages, there must be a way to
access such information on RHEL 2.1.
Thanks,
-Christian
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