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• Transifex account
• Transifex command line util utils (tx) (go to here)
• To commit the changes in CS Git repository: ASF CloudStack committee / PMC level else create a patch and submit to the CloudStack project.

Instructions:

For example, with 4.2 branch (some lines must modify if your use another CS version to match with correct version number).

1/ Update your master git repository

git checkout 4.2
git pull

2/ Create a new temporary branch

git checkout -b updateMsg

3/ Put into transifex the latest version of messages.properties

cd tools/transifex/
./sync-transifex-ui.sh upload-source-language CloudStack_UI.42xmessagesproperties

4/ Get the latest L10N resource files from transifex

./sync-transifex-ui.sh download-l10n-languages CloudStack_UI.42xmessagesproperties

5/ Add resource files in your local branch and commit

cd ../..
git add ./client/WEB-INF/classes/resources/*.properties
git commit -m "Update L10N strings from Transifex to repo"

6/ Create the patch file

git format-patch 4.2 --stdout > ~/update_l10n_strings_master.patch

7/ Final step: apply the patch to master and push it.

git checkout 4.2
git am ~/update_l10n_strings_master.patch
git push origin 4.2