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Simple Package Modification (view source)

Revision as of 11:16, 23 January 2013

630 bytes added ,  11:16, 23 January 2013
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== Retrieve code ==
 
== Retrieve code ==
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==== Getting the right module ====
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==== Getting the source code ====
 
In this How-To we want to work on the package 'e-smith-base'. We first need to download (with CVS this is called retrieving) the code for 'e-smith-base' from the SME Server CVS repository. For this issue the following command:
 
In this How-To we want to work on the package 'e-smith-base'. We first need to download (with CVS this is called retrieving) the code for 'e-smith-base' from the SME Server CVS repository. For this issue the following command:
 
  cvs -z3 -d:pserver:anonymous@smeserver.cvs.sourceforge.net:/cvsroot/smeserver checkout -P e-smith-base
 
  cvs -z3 -d:pserver:anonymous@smeserver.cvs.sourceforge.net:/cvsroot/smeserver checkout -P e-smith-base
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  cd ~/home/smeserver
 
  cd ~/home/smeserver
 
  cvs -z3 -d:pserver:anonymous@smeserver.cvs.sourceforge.net:/cvsroot/smeserver co -P rpms  
 
  cvs -z3 -d:pserver:anonymous@smeserver.cvs.sourceforge.net:/cvsroot/smeserver co -P rpms  
−
  −
WIP Up to here [HF]
      
You can now retrieve one of the packages from SourceForge. In this case, we want to modify the e-smith-base package for SME8, so let's retrieve it from SourceForge:
 
You can now retrieve one of the packages from SourceForge. In this case, we want to modify the e-smith-base package for SME8, so let's retrieve it from SourceForge:
 +
First change to the work directory:
 +
cd ~/home/smeserver/rpms/e-smith-base/sme8
   −
* Change to work directory
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Then we have to prepare a tree. Issue the following commands:
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cvs  update -dPA
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cd ~/home/smeserver/rpms/e-smith-base/sme8
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make clean         
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make prep
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To prepare a tree
  −
 
  −
cvs  update -dPA
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  −
make clean         
  −
 
  −
make prep
     −
* Save a copy of the original files
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We want to save a copy of the original files:
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cp -R e-smith-base-5.2.0 e-smith-base-5.2.0.old
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cp -R e-smith-base-5.2.0 e-smith-base-5.2.0.old
     −
<Now make the changes needed to the files in e-smith-base-5.2.0>
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== Make changes ==
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==== Edit the source code ====
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Now make the changes needed to the files in e-smith-base-5.2.0.
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* Create a patch
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We need to have an example!
   −
diff -urN smeserver-foo-2.0.0.old smeserver-yum-2.0.0 > smeserver-yum-2.0.0-importKeys.patch
      +
== Create the RPM ==
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==== Create a patch ====
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When we have finished our editing the source code (see above example), we can create a patch. (a file that contains the differences between the original file and the file we have been working on). To create the patch issue the following command:
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diff -urN smeserver-foo-2.0.0.old smeserver-yum-2.0.0 > smeserver-yum-2.0.0-importKeys.patch
   −
* Now to make a build to test if it works:
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==== Test the patch ====
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To see if our changes work correctly as intended, we will make a build of the new package to test.
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First we will update the spec file (explain spec file in 1 line)
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<pre>#increase the release
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%define release 15
   −
* Update the spec file
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Then we apply our patch to the code:
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<pre>#increase the release
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Patch2: smeserver-foo-1.2-widget.patch
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%define release 15
     −
#add the patch
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Then we need to update the changelog, including the bug number
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Patch2: smeserver-foo-1.2-widget.patch
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* Fri Jan 11 2008 John Smith <smith@foo.net> 1.2-15
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- fixed foo to create bar [SME 3470]
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#update the changelog, include the bug number
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Then we need to apply the patch in %setup (explain %setup in 1 line)
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* Fri Jan 11 2008 John Smith <smith@foo.net> 1.2-15
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%patch2 -p1
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- fixed foo to create bar [SME 3470]
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</pre>
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#apply the patch in %setup
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[Reformatted upto here]
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%patch2 -p1
  −
</pre>
      
CHECK: that the changelog version really matches the RPM version.
 
CHECK: that the changelog version really matches the RPM version.
Retrieved from "https://wiki.koozali.org/Special:MobileDiff/17426"

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