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* First round of impl in the Go code
* Correct management of the status
* Add `users` permisions in cluster role
* Upgrade `operator-sdk` CLI pre-req to `v0.10.0`
* Produce a CSV diff to help reviews
* fix trailing spaces that break `gen-csv` desc mgt
* Update nightly CSVs
* Add the new OLM descriptors in the new nightly CSVs
Signed-off-by: David Festal <dfestal@redhat.com>

* Remove a weird copy-paste

that produces syntax errors
Signed-off-by: David Festal <dfestal@redhat.com>

* typo in `nightly` version replacement
Signed-off-by: David Festal <dfestal@redhat.com>

* Complete PR-preparing script ...

... in order to :
- name the branch with the release number instead of a timestamp
- clone from the `che-incubator` fork
- fetch from the upstream (`operator-framework`) repo
- create the branch starting from the upstream master
- commit the changes
- push the branch to the fork if user creds are provided.
Signed-off-by: David Festal <dfestal@redhat.com>

* Check that `yq` is available
Signed-off-by: David Festal <dfestal@redhat.com>

* Provide, in the warning, the command to push again

 as soon as the env variables have ben set.
Signed-off-by: David Festal <dfestal@redhat.com>

* fix copyrights
Signed-off-by: David Festal <dfestal@redhat.com>

* Move the operator image to the `eclipse` org
* Various fixes after using it in this PR
Signed-off-by: David Festal <dfestal@redhat.com>

Implementation of issue https://github.com/eclipse/che/issues/13780



* complete cluster role
* update operator.yaml
* Add OLM files for openshift in beta-5 state
* Add RC 2 release CSV
* Reordered beta 5 csv in alphabetic order
* Add first bits of OLM files management
* lowercase `RC` and remove readiness probe
* pre-release (with `rc-2.0`) and nightly channels
* Add the kubernetes version of the OLM package
* Adding operator sources
* `OperatorSource`s should be in distinct namespaces
* Change proposed by @l0rd
* scripts to update nightly CSVs
* script to release OLM files
* Add the script to push OLM files as Quay apps
* Add script to prepare `community-operators` PRs
* script to release the operator Go code
* Rename `*-test-*` to `*-preview-*` and rename the `pre-releases` channel to `stable`
* `9.9.9` as semver-compliant prefix for nightlies
Signed-off-by: David Festal <dfestal@redhat.com>