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| {{Release Engineering How To|Create new ESR branch}}
| | The documentation has been moved to [https://github.com/mozilla/releasewarrior/blob/master/how-tos/new-esr-branch-setup.md releasewarrior] |
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| ESR17 process was tracked by {{Bug|796995}} and the dependent bugs. The process can be split into 2 major parts: internal and external
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| = Internal changes =
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| This covers changes to configs, buildbotcustom and tools.
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| [https://bugzilla.mozilla.org/attachment.cgi?id=678768&action=edit buildbotcustom changes] for ESR17 were not critical and are not ESR specific. | |
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| == tools changes ==
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| [https://bugzilla.mozilla.org/attachment.cgi?id=678767&action=edit tools changes]
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| * adds new release branch to [http://hg.mozilla.org/build/tools/file/default/buildfarm/maintenance/production-masters.json production-masters.json] file
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| * adds new branch to buildapi's [http://hg.mozilla.org/build/tools/file/default/buildfarm/maintenance/production-branches.json production-branches.json] file
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| * since the [https://bugzilla.mozilla.org/attachment.cgi?id=678814&action=edit config patch] introduces new configurations file which are need to be symlinked to the build/scheduler master there is a need for a fabric methos to create the links
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| * mozconfig whitelist changes (tested in {{bug|808077}})
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| * preproduction tweks
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| == buildbot-configs changes ==
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| Some highlights:
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| * Explicitly list the platforms (and use lock_platforms) since we don't ship ESR to all mozilla-central/release platforms (android, for example)
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| * Copy mozilla-beta configs, compare them to the previous ESR release and check if you understand what they stand for
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| * No dep/nightly L10N builds required, as a result no need to create Tinderbox trees
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| * check mozilla-beta exceptions (loops) and check if they are aplicable to the current ESR
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| * for every exception (MERGE DAY exceptions) file a bug to track it
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| === New release configs ===
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| * Make sure that the following variables set
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| releaseConfig['partialUpdates'] = {}
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| releaseConfig['skip_updates'] = True
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| releaseConfig['verifyConfigs'] = {}
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| releaseConfig['ftpSymlinkName'] = 'latest-esr'
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| * File new tracking bug for the next minor esr release (17.0.1esr) to update these variables
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| * update previous release configs and set
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| releaseConfig['ftpSymlinkName'] = 'latest-10.0esr'
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| * add mozilla2/*/comm-esr17/release/l10n-mozconfig for every platform. Copy them from mozilla-beta and compare to the previous esr configs
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| * add mozilla2/linux/comm-esr17/release/mozconfig (linux only). We need this for source builder. Will be fixed by {{bug|748796}}
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