doc: Update Guix install for Debian/Ubuntu
What changed, and why it matters
This is a documentation-only update. It changes the Guix installation instructions for Debian and Ubuntu users because the `guix` package is no longer available in recent distribution repositories. There is no code change and no security issue.
No security action required. Review the documentation change for accuracy if desired.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The commit modifies contrib/guix/INSTALL.md to remove outdated instructions to install Guix via apt on Debian/Ubuntu and instead notes that the package is no longer present in recent repositories, while adding a command to purge an existing apt-installed Guix package. No source code, build scripts, or cryptographic material is changed.
Changed components
contrib/guix/INSTALL.mdInspect captured patch +5 / −5
diff --git a/contrib/guix/INSTALL.md b/contrib/guix/INSTALL.md
index 833d5403..a157acb4 100644
--- a/contrib/guix/INSTALL.md
+++ b/contrib/guix/INSTALL.md
@@ -69,13 +69,13 @@ distros, please see: https://repology.org/project/guix/versions
### Debian / Ubuntu
-Guix is available as a distribution package in various versions of [Debian
-](https://packages.debian.org/search?keywords=guix) and [Ubuntu
-](https://packages.ubuntu.com/search?keywords=guix).
+Currently, the `guix` package is no longer present in recent Debian or Ubuntu
+repositories. Any other installation option mentioned in this document may be
+used.
-To install:
+If you previously installed `guix` via `apt`, you can remove it with:
```sh
-sudo apt install guix
+sudo apt purge guix
```
### Arch Linux
Why this scored 16/100
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