nixpkgs/pkgs/build-support/fake-nss/default.nix
Florian Klink 76d05dfa62 fakeNss: move to toplevel
Make this reachable from pkgs.fakeNss. This is useful outside docker
contexts, too.

https://github.com/NixOS/nixpkgs/pull/164943#discussion_r833220769
2022-03-24 18:47:30 +01:00

24 lines
694 B
Nix

# Provide a /etc/passwd and /etc/group that contain root and nobody.
# Useful when packaging binaries that insist on using nss to look up
# username/groups (like nginx).
# /bin/sh is fine to not exist, and provided by another shim.
{ symlinkJoin, writeTextDir, runCommand }:
symlinkJoin {
name = "fake-nss";
paths = [
(writeTextDir "etc/passwd" ''
root:x:0:0:root user:/var/empty:/bin/sh
nobody:x:65534:65534:nobody:/var/empty:/bin/sh
'')
(writeTextDir "etc/group" ''
root:x:0:
nobody:x:65534:
'')
(writeTextDir "etc/nsswitch.conf" ''
hosts: files dns
'')
(runCommand "var-empty" { } ''
mkdir -p $out/var/empty
'')
];
}