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I'm trying to make an rpm that will unpack the source to a custom directory, such as /asdf. When I run it, it always errors out saying "cannot create %sourcedir /usr/src/redhat/SOURCES". Is there something I can put in my .spec file that will make it unpack the source (which is just a .tar.gz file inside the src.rpm) to a custom directory when I do the command "rpm -i xyz.src.rpm"?

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I found the answer. logiqwest.com/TechnicalPapers/rpmScriptInstall.html provides step-by-step instructions for doing what I was trying to do. – sqenixs Dec 1 '11 at 0:17

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The solution was as simple as calling tar in the spec file and then specifying the path I wanted to untar to.

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If it was all about making the spec file with what you intended (than a command line option) then use install section in the spec file to just untar the file to a specific directory. – Nikhil Mulley Dec 6 '11 at 19:04
yes, that's exactly what I did. I just didn't understand how the spec file worked in terms of rpmbuild. – sqenixs Dec 8 '11 at 3:42
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Yes, you could use -r or --root option of rpm to specify an alternative root path as the top directory.

You also can extract the files from rpm with rpm2cpio command. man rpm2cpio.

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use rpm2cpio to unpack rpm. Or use alien to convert the rpm to other packages (deb, tar...)

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