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By switching to NixOS.
If I remember right, Ubuntu and Debian run a pam.d with an extension that other distros (including nix) don't. I think you could also fix this by running i3lock from your district's package manager instead of nix. Most nixpkgs run great on Ubuntu, and most security-related ones don't
Thanks for the quick answer.
I guess I have pretty much the same behavior. I am trying to run the nix version of i3lock on a non-NixOS operating system.
But I am not sure to understand exactly the problem. The package seems to generate only the etc/pam.d/i3lock.
/nix/store/9jk2dxkcygi3xgwahzmh0bi0yn1v009n-i3lock-color-2.12.c/
├── bin
│ └── i3lock-color
├── etc
│ └── pam.d
│ └── i3lock
└── share
└── man
└── man1
└── i3lock-color.1.gz
And this i3lock configuration file only does a auth include login. So I guess it is trying to include the /etc/pam.d/login of the host operating system in an "impure" way. And effectively, a strace of the process shows that in action.
5025 openat(AT_FDCWD, "/etc/pam.d/login", O_RDONLY) = 5
But still not exactly sure to understand why we have this error.
I think nixpkgs' i3lock refers to a PAM library from nixpkgs, and as you see from strace, it still loads from /etc and chokes on that non-standard Debian syntax. I made some progress by replacing the @include statements from /etc with standard calls, but it went deep, and I decided it wasn't maintainable in the long run.
BTW, one solution to implement a fallback to the i3lock from the current OS:
https://git.0xee.eu/0xee/nix-home/commit/95e4900f31b4c3eadc49f7252e3cf17235e787bb
Hi @rossabaker,
I have the same error on my machine. Did you manage to fix this?
Thanks