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unixrpmbuildrpm-spec

How to know the version of RPM during installation

I have created a script for deployment. During the pre script, is it possible to know whats the version of the rpm I am deploying.

I want to create a backup file with the version of the RPM (in its name) so that i can trace back the version of the RPM file.

Solution

  • You could define some variables at the top of your spec file, and then use them in both the tags section and the pre script.

    %define version <your-version>
%define relver <your-relver>

Version: %{version}
Release: %{relver}

%pre
/bin/cp your-file your-file.%{version}-%{relver}

    You can verify the script will do the expected copy by querying the scripts in the RPM:

    rpm -qp --scripts <path-to-your-rpm>/<your-rpm-name>.rpm