OBS provides source services which can download/compress/extract/verify files before actually building a package. There is only small documentation here.
A service called tar_scm is available to create a .tar archive from Subversion, Git, Mercurial and Bazaar source code management systems.
Here is a configuration example:
<service name="tar_scm"> <param name="scm">git</param> <param name="url">git://gitorious.org/meego-developer-tools/obs-light.git</param> <param name="subdir">src</param> <param name="filename">obslight</param> <param name="versionprefix">0.4.git</param> </service>
After having created an archive with the tar_scm service, you may want to extract some files, for example the spec file of your package. The extract_file service is what you need.
Here is an example:
<service name="extract_file"> <param name="archive">*.tar</param> <param name="files">*/deb/* */rpm/obslight.changes */rpm/obslight.spec */rpm/obslight.yaml</param> </service>
The recompress service allows you to compress or recompress an archive. Two reasons to use it: save space, and make an archive compatible with your spec file (which probably expects .tar.gz or .tar.bz2). Here is an example:
<service name="recompress"> <param name="compression">gz</param> <param name="file">*git*.tar</param> </service>
You have just configured the tar_scm service, but the archive name is different from the one in your spec file, because the version part of the name has been incremented.
The set_version service allows you to update your .spec and .dsc files with the new version of your archive.
Here is a simple example:
The version will be automatically guessed from *.tar.*, *.tgz, *.tbz2 or *.zip files.
However there are optional parameters (syntax