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Migration Launchpad → GitHub

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Guewen Baconnier edited this page Jun 26, 2014 · 41 revisions

Migration Launchpad → GitHub

Migration steps

  1. Run the oca-copy-branches command to copy the branches on GitHub (https://github.com/OCA/maintainers-tools#usage)
  2. On all the Launchpad projects, set the branches of the series to 'abandoned' and create mirror branches from GitHub instead with the Import a branch feature. Then link the series to the mirror branches. Manual step to distribute between maintainers
  3. In the meantime, check if projects have series (6.0, 5.0) that were not in the mapping file, and in that case, migrate them with oca-copy-branches Manual step to distribute between maintainers. The current mapping is here: https://github.com/OCA/maintainers-tools/blob/master/tools/branches.yaml thanks to check for missing branches
  4. Add .gitignore, README.md, Travis and Coverage configuration files on the projects. Script?
  5. Set all the modules of the master branches to installable: False. Script?
  6. Communicate and educate developers on the migration of their Launchpad MP to GitHub PR using guides (https://github.com/OCA/maintainers-tools/wiki/How-to-move-a-Merge-Proposal-to-GitHub). Inform them on the MP that they have to move them.
  7. Migrate issues? (see https://github.com/termie/lp2gh)

Some of the tasks will be distributed among the maintainers.

Tasks

  • We have to decide where the OCA should deploy its tools (like the script that copies the maintainers in the teams, and maybe others to come)

  • a "nag" script for Github (openerp-nag equivalent), but I don't know Github enough to know if Github is sufficient by itself

  • CI installed on all the OCA projects

Notes on the Launchpad mirroring

When importing a Git branch, Launchpad asks for the branch URL. It should be in this form: git://github.com/OCA/connector.git. This URL will import the HEAD of master. The other branches are imported using the ,branch=BRANCH_NAME suffix, example: git://github.com/OCA/connector.git,branch=7.0.

The git protocol works better than https.

See the branches lp:~gbaconnier-c2c/openerp-connector/github-7.0 and lp:~gbaconnier-c2c/openerp-connector/github-master on https://code.launchpad.net/openerp-connector.

Experiments with git-remote-bzr

Using https://github.com/felipec/git-remote-bzr

$ git clone "bzr::lp:sale-wkfl/7.0" sale-wkfl
Cloning into 'sale-wkfl'...
$ cd sale-wkfl 
$ git remote add 6.1 "bzr::lp:sale-wkfl/6.1"                                       
$ git fetch 6.1
From bzr::lp:sale-wkfl/6.1
 * [new branch]      master     -> 6.1/master
$ git branch -va
* master                94754ca Launchpad automatic translations update.
  remotes/6.1/master    63384dc [MRG] Add mail_quotation
  remotes/origin/HEAD   -> origin/master
  remotes/origin/master 94754ca Launchpad automatic translations update.
$ git remote add github GITHUB URL
$ git push github --all
$ git push github --tags
$ git push github refs/remotes/6.1/master:refs/heads/6.1
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