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Upgrading packages

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Revision as of 17:33, 3 November 2012 by PaulEggleton (Talk | contribs)

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NOTE: This page has been identified as having content that is significantly out-of-date, usually because it refers to OpenEmbedded-Classic - for new projects, you should use OpenEmbedded-Core.

See OpenEmbedded Wiki Update Project for more details.

Please follow these steps when upgrading a package to a more recent version. This is not to be seen as dogma, but rather as best practice. There are basically two cases we need to consider:

  1. You do want to keep the version of the bb file that is in OE now (somebody else needs this particular version)
  2. You don't.

Make sure you add an appropriate entry in checksums.ini and run the file through contrib/source-checker/oe-checksums-sorter.py if the new version fetches new sources.

You do not need to keep the last version of the package

  1. Use "git-mv packages/$pkg/$file_v1.bb packages/$pkg/$file_v2.bb" so that we don't accumulate unecessary cruft.
  2. make further changes to packages/$pkg/$file_v2.bb as appropriate.
  3. At the very minimum do a compilation test "bitbake $file" to make sure the new package does at least fetch and compile.
  4. inspect the output of "git diff packages/$pkg/". Is this really what you want to commit?
  5. Final step, publish your work. "git commit packages/$pkg/ && git push". Include conf/checksums.ini in your commit, if appropriate (see above).

You do want to keep the last version of the package

Same as above, except instead of the first step:

cp packages/$pkg/$file_v1.bb packages/$pkg/$file_v2.bb
git-add packages/$pkg/$file_v2.bb

Removing recipes

Although preventing the accumulation of cruft in the repository is good, you should take into account that distributions may be using a certain recipe and depend upon it. Therefore, before removing a recipe from the repository, do a grep in the 'conf/distro' directory. If the version you are going to remove is being explicitly used, send the respective patch to the development mailing list for 'RFC' first.

This is too restrictive and I think above paragraph was added to this page without a directive from the core team who should have been the one to decide. preferred-om-2008-versions.inc looks down virtually all recipes. In essence, the above requirement for RFC translates into "all old versions have to accumulate in HEAD or an RFC for their removal sent". I don't think that is what we want. I will certainly not follow that like a slave for packages that I maintain (For example, I will update libassa in a minute to 3.5.0 without keeping 3.4.2 around and wasting my time on re-libtoolizing an obsolete version of a fringe package. Sorry). --Laibsch 22:07, 18 May 2009 (UTC)
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