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Modular, context-aware and aspect-oriented dendritic Nix configurations.
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configurations
den
dendritic
nix
aspect
oriented
1{
2 den,
3 lib,
4 ...
5}:
6let
7 inherit (den.lib)
8 owned
9 statics
10 parametric
11 ;
12
13 inherit (den.lib.take) exactly;
14
15 dependencies = [
16 (exactly osDependencies)
17 (exactly hmUserDependencies)
18 (exactly hmStandaloneDependencies)
19 ];
20
21 osDependencies =
22 { OS, host }:
23 {
24 includes = [
25 (owned den.default)
26 (statics den.default)
27 (owned OS)
28 (statics OS)
29 {
30 includes =
31 let
32 users = builtins.attrValues host.users;
33 contrib = osUserDependencies { inherit OS host; };
34 in
35 map contrib users;
36 }
37 ];
38 };
39
40 osUserDependencies =
41 { OS, host }:
42 user:
43 let
44 USR = den.aspects.${user.aspect};
45 in
46 {
47 includes = [
48 (owned USR)
49 (statics USR)
50 (USR { inherit OS host user; })
51 ];
52 };
53
54 # from OS home-managed integration.
55 hmUserDependencies =
56 {
57 OS-HM,
58 host,
59 user,
60 }:
61 let
62 inherit (OS-HM) OS HM;
63 context = {
64 inherit
65 OS
66 HM
67 user
68 host
69 ;
70 };
71 in
72 {
73 includes = [
74 (owned den.default)
75 (statics den.default)
76 (owned HM)
77 (statics HM)
78 (owned OS)
79 (statics OS)
80 (parametric.fixedTo context OS)
81 ];
82 };
83
84 hmStandaloneDependencies =
85 { HM, home }:
86 {
87 includes = [
88 (owned den.default)
89 (statics den.default)
90 (owned HM)
91 (statics HM)
92 ];
93 };
94
95in
96{
97 den.default.includes = dependencies;
98}