sercanto/infra
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

users/lib.nix: allow to pass the full user

Browse source
This commit is contained in:
zimbatm 2020-04-26 18:42:20 +02:00
parent bc38d42934
commit 202f7fe8f9
No known key found for this signature in database
GPG key ID: 71BAF6D40C1D63D7
1 changed files with 9 additions and 11 deletions

20
users/lib.nix
View file

@ -1,19 +1,17 @@
{ lib }: { lib }:
let let
chrs = lib.listToAttrs (lib.imap (i: v: { name = v; value = i + 96; }) lib.lowerChars); chrs = lib.listToAttrs (lib.imap (i: v: { name = v; value = i + 96; }) lib.lowerChars);
ord = c: builtins.getAttr c chrs; ord = c: builtins.getAttr c chrs;
in in
{ {
# Make a unique UID from a 4-char identifier # Make a unique UID from a 4-char identifier
mkUid = id: let mkUid = id:
# TODO: Assert length let
chars = lib.stringToCharacters id; chars = lib.stringToCharacters (builtins.substring 0 4 id);
n = builtins.map (c: lib.mod (ord c) 10) chars; n = builtins.map (c: lib.mod (ord c) 10) chars;
s = builtins.concatStringsSep "" (builtins.map (i: builtins.toString i) n); s = builtins.concatStringsSep "" (builtins.map (i: builtins.toString i) n);
in
in assert builtins.stringLength id >= 4;
assert lib.length chars == 4; assert builtins.length chars == 4;
1000 + lib.toInt s; 1000 + lib.toInt s;
} }