Random thoughts shooting out of volatile mind
Packaging Falcon Programming Language for Debian

Falcon is a programming language which is not yet packaged for Debian. I saw that the ITP#460591 is owned by my Debian mentor and good friend Kartik Mistry. So I jumped in to help him finish this package.

Ok enough of introduction now directly to point. We thought its better to base the Debian package on upstream Git repository itself so we can do snapshot release like Go Language package is doing. So in this post I'm going to give steps we used to do this and also guidelines on future packaging of Falcon.

    1. First step we need to clone the upstream Falcon's git repo. Then duplicate *master* branch into *upstream* branch.
      git clone http://git.falconpl.org/falcon.git
      git checkout -b upstream
      
    
    2. Now by staying on *upstream* branch we made it track the upstream's git repo using following commands
       git remote add upstream-falcon http://git.falconpl.org/falcon.git
       git branch --set-upstream upstream-falcon
       
    
    3. We made the master branch point to origin which is our collab-maint git repository.
       git checkout master
       git remote set-url origin git.debian.org:/git/collab-maint/falconpl.git
       
    
    4. Next is creating the pristine-tar branch so that it will be easy for us to build using *git-buildpackage* tools. We just took snapshot of upstream's head and created a tarball and then used *pristine-tar* utility to commit it. Then we tagged upstream version
       git checkout upstream
       git archive --format=tar HEAD | gzip -9 > ../falconpl_0.9.6.8-git20120403.orig.tar.gz
       git tag upstream/0.9.6.8-git20120403
       pristine-tar commit ../falconpl_0.9.6.8-git20120403.orig.tar.gz
       
    
    5. And finally we copied **debian** directory from Ubuntu's falconpl package into our master branch and modified the debian changelog to match our new snapshot version. To release a new version all we need to do is follow step 4 and then additionally merge the upstream with master

So our repo is now in proper shape to be built using git-buildpackage. But we are left with many things to clean and fix. So things which are currently pending are

  1. Make copyright file in Debian copyright format 1.0
  2. Separate out each module falcon builds into separate package. Looks like Ubuntu doesn't install any of modules
  3. Last but not the least upload it to Debian ( Kartik's task :-) )

Even though I'm packaging Falcon for Debian I'm not a Falcon programmer so if there are any Falcon programmer reading this post and want to help you are always welcome :-).

Posted by: copyninja on Friday, 6 April 2012

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