Add .copy-files file which copies over files from /home/tooling to /h…

[dkwon17]

…ome/user in the entrypoint

This PR is an upstream equivalent of this PR: https://github.com/redhat-developer/devspaces-images/pull/770

For https://issues.redhat.com/browse/CRW-8598 and https://issues.redhat.com/browse/CRW-8932

To test this PR:

Build the base image:

$ cd base/ubi9 && DOCKER_BUILDKIT=1 docker image build --progress=plain -t <BASE_IMAGE> .

Create these 4 empty files:

.
└── some-directory/
    ├── config
    ├── config2
    ├── case1.Dockerfile
    └── case2.Dockerfile

Case 1: Testing CRW-8932

Put the following into case1.Dockerfile:

FROM <BASE_IMAGE>

RUN mkdir -p /home/tooling/.config/test

COPY config2 /home/tooling/.config/test/
COPY config /home/tooling/.config/

USER root
RUN chmod 777 /home/tooling/.config/test/config2 /home/tooling/.config/config

USER 1001

Build the image:

docker build -t quay.io/<your_username>/base-developer-image:case1 -f case1.Dockerfile . && docker push quay.io/<your_username>/base-developer-image:case1

Create a workspace with the new image. My new image is: quay.io/dkwon17/base-developer-image:case1:

<CHE_HOST>#https://github.com/che-samples/bash?image=quay.io/dkwon17/base-developer-image:case1&storageType=per-workspace

Verify that there are symlinks for config and config2:

$ ls -la /home/user/.config
total 0
drwxr-xr-x. 4 user root 50 Aug 22 20:57 .
drwxrwx---. 1 user root 62 Aug 22 20:57 ..
lrwxrwxrwx. 1 user root 28 Aug 22 20:57 config -> /home/tooling/.config/config
drwxr-xr-x. 2 user root 26 Aug 22 20:57 containers
drwxr-xr-x. 2 user root 21 Aug 22 20:57 test

$ ls -la /home/user/.config/test
total 0
drwxr-xr-x. 2 user root 21 Aug 22 20:57 .
drwxr-xr-x. 4 user root 50 Aug 22 20:57 ..
lrwxrwxrwx. 1 user root 34 Aug 22 20:57 config2 -> /home/tooling/.config/test/config2

Case 2: Testing CRW-8598

Put the following into case2.Dockerfile:

FROM <BASE_IMAGE>

RUN mkdir -p /home/tooling/.config/test

COPY config2 /home/tooling/.config/test/
COPY config /home/tooling/.config/

RUN echo ".config/test" >> /home/tooling/.copy-files

USER root

RUN chmod 777 /home/tooling/.config/test/config2

USER 1001

Build the image:

docker build -t quay.io/<your_username>/base-developer-image:case2 -f case2.Dockerfile . && docker push quay.io/<your_username>/base-developer-image:case2

Create a workspace with the new image. My new image is: quay.io/dkwon17/base-developer-image:case2:

<CHE_HOST>#https://github.com/che-samples/bash?image=quay.io/dkwon17/base-developer-image:case2&storageType=per-workspace

Verify that /home/user/.config/test/config2 exists, and is not a symlink:

$ ls -la /home/user/.config/test
total 4
drwxr-xr-x. 2 user root 21 Aug 22 21:28 .
drwxr-xr-x. 4 user root 50 Aug 22 21:27 ..
-rwxr-xr-x. 1 user root 18 Aug 22 21:28 config2

Make a change to the config2 file, and restart the workspace. Once the workpsace is restarted, the config2 file should have the changes you made before restarting the workspace.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[svor]

Suggested change

	COPY --chown=0:0 etc/.copy-files /home/tooling/
	COPY --chown=0:0 .copy-files /home/tooling/

Or need to move .copy-files into developer-images/base/ubi9/etc folder

[dkwon17]

Oops, thank you, fixed

[dkwon17]

Closing in favour of: #231