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Add section about sketchy maintainer scripts

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Joshua Boniface 2022-12-02 17:01:00 -05:00
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Like the `install` file above, these maintainer scripts can be defined per-binary-package, using the same `<package name>.<script>` format, if your package requires it. Like the `install` file above, these maintainer scripts can be defined per-binary-package, using the same `<package name>.<script>` format, if your package requires it.
### Don't do sketchy things in maintainer scripts!
Finally I want to point out to not do sketchy things in maintainer scripts. 2 years ago, the Raspberry Pi Foundation [abused their maintainer scripts in a critical package](https://github.com/RPi-Distro/raspberrypi-sys-mods/commit/655cad5aee6457b94fc2336b1ff3c1104ccb4351) [to install a completely unrelated repository for Microsoft VS Code](https://www.reddit.com/r/linux/comments/lbu0t1/microsoft_repo_installed_on_all_raspberry_pis/) [without any obvious traces in the usual Debian places](https://hothardware.com/news/raspberry-pi-microsoft-repository-phones-home-added-pi-os) (i.e. anywhere visible with `dpkg -L`/`apt-file search`/etc.)
DO NOT do this, EVER. Maintainer scripts are NOT for adding files to the system; that's what `install` and the build process are for, which allow the files installed by packages to be tracked by the `dpkg` system. You could perhaps make a case for modifying files in maintainer scripts, but adding new files or trying to do anything "trixy" is verboten, and certainly do not do what the RPF did. Abuse of maintainer scripts like this not only destroys user trust, but it actively hides changes to the system from the package manager, and prevents these entries from being managed and modified in the future by new package versions. It's a horrible practice all around.
## Building your package ## Building your package
Now that you've prepared your `debian` folder and package configuration, it's time to actually build your new package! In the root of your source repository, run the following command: Now that you've prepared your `debian` folder and package configuration, it's time to actually build your new package! In the root of your source repository, run the following command: