init_userconf.sh: only add line to /etc/sudoers once

[zhoualbert]

The script init_userconf.sh is installed into /etc/cont-init.d/02_userconf and will be run every time the container is started.

Currently, if the container is restarted multiple times, the line %sudo ALL=(ALL) NOPASSWD:ALL will be added each time the container is started.

This change checks if the line already exists and does not add it if it does.

[Copilot]

Pull request overview

Updates the container init script to avoid repeatedly appending the same sudoers rule on every container start, making the startup behavior idempotent.

Changes:

• Introduces variables for the sudoers rule line and target file.
• Adds a grep check intended to only append %sudo ALL=(ALL) NOPASSWD:ALL when it is not already present.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[zhoualbert]

I implemented Copilot's suggestion. Thanks AI!

[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[zhoualbert]

Weird errors. The lint error is

 Failed to call GitHub Status API: curl: (22) The requested URL returned error: 403

The build error seems to be related to a 500 URL error

12.66 --2026-03-20 06:45:05--  https://rstudio.org/download/latest/daily/server/jammy/rstudio-server-latest-amd64.deb
connected.
12.94 HTTP request sent, awaiting response... 500 Internal Server Error
13.05 2026-03-20 06:45:05 ERROR 500: Internal Server Error.
13.05 
------
Dockerfile:10
--------------------
   8 |     ARG script_name=install_rstudio.sh
   9 |     ARG script_arg=skip
  10 | >>> RUN /test.sh ${script_name} ${script_arg}
  11 |     
--------------------
ERROR: failed to build: failed to solve: process "/bin/sh -c /test.sh ${script_name} ${script_arg}" did not complete successfully: exit code: 8
Error: Process completed with exit code 1.

[eitsupi]

Thank you for your contribution!
Don't worry about the linter, the CI is just broken...

I'll check it later and merge it.

[eitsupi]

Thanks!