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#REDIRECT [[Fedora_RPM_Build]] |
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__NOTOC__ |
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= Fedora RPM Build = |
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== Structure == |
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To build an rpm must be created and/or placed different files under `/usr/src/redhat` as follow: |
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# Spec file with details of name, dependencies, instructions, etc and script of how to build the rpm under `SPEC` folder |
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# Compressed file with the sources under `SOURCES` folder |
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== Build == |
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To build the new rpm, run the command: |
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<pre><nowiki> |
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# rpmbuild -ba SPEC/newrpm.spec |
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</nowiki></pre> |
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The created files will be placed as follow: |
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# New RPM created under `RPMS/''system_architecture''` folder |
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# RPM with sources and spec file packed under `SRPMS` folder |
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# Unpacked sources under `BUILD` folder |
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== Scripts == |
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There are 4 types of scripts: |
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# Pre install: pre |
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# Post install: post |
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# Pre uninstall: preun |
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# Post uninstall: postun |
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The `rpm` command has 3 main types of execution to be considered: |
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# install |
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<pre><nowiki> |
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rpm -i newrpm.rpm |
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</nowiki></pre> |
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# upgrade |
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<pre><nowiki> |
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rpm -u newrpm.rpm |
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</nowiki></pre> |
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# remove |
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<pre><nowiki> |
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rpm -e newrpm.rpm |
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</nowiki></pre> |
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and different values are passed to each script based on which type of execution is performed by the `rpm` command. |
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More details on [[http://www.ibm.com/developerworks/library/l-rpm3.html]] |
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<pre><nowiki>#!wiki warning |
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'''warning''' |
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Be careful with the usage of each script section, please note the execution order which is crucial at upgrade time. |
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</nowiki></pre> |
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==== New installation ==== |
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The execution order and values passed are: |
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* %pre NEW_PACKAGE ($1 = 1) |
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* %install |
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* %post NEW_PACKAGE ($1 = 1) |
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==== Upgrade ==== |
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The execution order and values passed are: |
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* %pre NEW_PACKAGE ($1 = 2) |
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* %install |
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* %post NEW_PACKAGE ($1 = 2) |
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* %preun OLD_PACKAGE ($1 = 1) |
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* %files NEW_PACKAGE, Delete all files no longer listed |
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* %postun OLD_PACKAGE($1 = 1) |
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==== Remove ==== |
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The execution order and values passed are: |
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* %preun OLD_PACKAGE ($1 = 0) |
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* %files OLD_PACKAGE, Delete all files listed |
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* %postun OLD_PACKAGE ($1 = 0) |
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Latest revision as of 22:18, 6 June 2015
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