Bug 1507754 - Check source repositories and changesets during configure. r=darktrojan a=jorgk PACKAGERS: if you update application.ini, platform.ini, or source-repo.h in some way during your process, you might need to change something. Make sure that the source repositories for both Mozilla and Comm can be found during mach configure and abort if they cannot. For Taskcluster builds, there are various environment variables that can be relied upon. Local builds present a challenge. Chances are those variables are not set. I came up with a set of checks and keep trying until something works. For comm-* code: - Look for MOZ_SOURCE_REPO and MOZ_SOURCE_CHANGESET environment vars. This is counter-intuitive, but it's the current status-quo for Taskcluster builds. Those variables are set to the comm values. - Next, try use the Mercurial source checkout itself. Uses the same technique as Mozilla code does in build/variables.py. - Last, try to use a file named "sourcestamp.txt". That file is part of our source tar files that get built for releases. - Finally, if those MOZ_SOURCE environment variables were not set, set them. This is needed because old-configure will look for them and set buildconfig variables with them when it runs later during the configure process. - Additionally, set MOZ_COMM_SOURCE_REPO and MOZ_COMM_SOURCE_CHANGESET in buildconfig. Code in the comm- tree should prefer those values over the generic MOZ_SOURCE_* values that the Mozilla code will look at. For the Gecko/Mozilla source repository information, it's almost the same process. - Check for GECKO_SOURCE_REPO and GECKO_SOURCE_REV environment variables first. Taskcluster sets these based on comm/.gecko_rev.yml. - Next, try comm/.gecko_rev.yml itself. PyYAML is not required as the file is pretty simple to parse. Release builds are pinned to a specific revision hash, so we can use that. Builds from comm-central pin to "default" though, so next try running "hg id" in $topsrcdir to get the revision hash. - If for some reason there's no .gecko_rev.yml and it's not a Mercurial checkout, try the sourcestamp.txt file. - Set MOZ_GECKO_SOURCE_REPO and MOZ_GECKO_SOURCE_CHANGESET in buildconfig. mach configure should fail if any one of those values cannot be determined. The error message will suggest setting the environment variables; ideally that is not necessary.

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
---
# Definitions for jobs that run periodically.  For details on the format, see
# `taskcluster/taskgraph/cron/schema.py`.  For documentation, see
# `taskcluster/docs/cron.rst`.

jobs:
    - name: nightly-desktop
      job:
          type: decision-task
          treeherder-symbol: Nd
          target-tasks-method: nightly_desktop
      run-on-projects:
          - comm-central
      when:
          by-project:
              # Match buildbot starts for now
              comm-central: [{hour: 10, minute: 0}]
              # No default

    - name: nightly-linux
      job:
          type: decision-task
          treeherder-symbol: Nd-Ln
          target-tasks-method: nightly_linux
      run-on-projects:
          - comm-central
      when: []  # never (hook only)

    - name: nightly-osx
      job:
          type: decision-task
          treeherder-symbol: Nd-OSX
          target-tasks-method: nightly_macosx
      run-on-projects:
          - comm-central
      when: []  # never (hook only)

    - name: nightly-win32
      job:
          type: decision-task
          treeherder-symbol: Nd-win32
          target-tasks-method: nightly_win32
      run-on-projects:
          - comm-central
      when: []  # never (hook only)

    - name: nightly-win64
      job:
          type: decision-task
          treeherder-symbol: Nd-win64
          target-tasks-method: nightly_win64
      run-on-projects:
          - comm-central
      when: []  # never (hook only)

    - name: periodic-update
      job:
          type: decision-task
          treeherder-symbol: Nfile
          target-tasks-method: file_update
      run-on-projects:
          - comm-central
      when:
          by-project:
              # No default branch
              comm-central:
                  - {weekday: 'Monday', hour: 10, minute: 0}
                  - {weekday: 'Thursday', hour: 10, minute: 0}