Integrate gitlab-ci/multiple-integration-pipelines and 19 more

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@dce4f8a3

changelog_generator: Fix machine project ID

We have deleted the original project due to git corruption. Replace with
the new project's ID.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@a7aa7c26

deploy_gitlab_ci: fix project argument passing

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@8a38f194

Put all manifest intgeration jobs into a single stage

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@a09564c1

deploy_gitlab_ci: explicitly pass gitlab-ci project and branch

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@172e7625

Improve error messages

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@f0f5a370

Improve naming of functions and variables

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@c8b484ca

Retrigger MRs from all integrating projects

Instead of getting the projects from the manifest file, search them via
their INTEGRATION variable.

Improve log messages on this occasion: print URL instead of just IDs.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@5e75bfc1

Deploy gitlab-ci to multiple branches

Add different integration jobs for different manifest branches. The
merge stage only has one job for each manifest, though, because
otherwise we cannot guarantee a consistent state for all branches.

Extend the deploy script for this purpose, so that it can deploy to
multiple manifest branches at once.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@771dcff1

Fix temporary dir path

We were passing the complete TemporaryDirectory object to the repo clone
function instead of just the path string, resulting in the repo being
cloned into a local dir "<TemporaryDirectory '/tmp/tmphwakypf8'>".

Fix this to actually use the generated temp dir.

This change makes it necessary to keep the TemporaryDirectory object
reference until we don't need the directory anymore, otherwise it will
be removed immediately.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@dce219c8

Print less important output in grey color

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@5e36261d

deploy_gitlab_ci: remove hard-coded integration targets

Get targets dynamically using the INTEGRATION variable instead.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@94cd6781

Recurse to child pipelines on retrigger

This makes it possible to retrigger jobs that are not part of the
given pipeline but in any nested child pipeline of it.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@fb1219a7

Ignore __pycache__ in scripts directory

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@0c29c995

Refactoring: rename arguments for consistency

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@d461090b

Remove hard coded project and branch variables

MANIFEST_PROJECT, MASTER_BRANCH_MANIFEST, MASTER_BRANCH_PROJECT

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@a4aae414

Add rules for integration pipeline

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@bfa38b24

Improve log messages

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@1c9670d9

commit_and_push: do not pass branch

Branch can be implicitly determined via the repo.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@767a4e2e

Throw and catch exception if git push fails

Using new function raise_if_error() of GitPython 3.1.25:
https://gitpython.readthedocs.io/en/stable/tutorial.html#handling-remotes

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@399dd9f9

Create separate integration branches for each target branch

This makes it possible to integrate a project branch into different
branches of the same manifest project.