diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/README.md | 13 | ||||
| -rw-r--r-- | lib/attrs.nix | 26 | ||||
| -rw-r--r-- | lib/default.nix | 18 | ||||
| -rw-r--r-- | lib/misc.nix | 9 | ||||
| -rw-r--r-- | lib/modules.nix | 54 | ||||
| -rw-r--r-- | lib/system.nix | 22 |
6 files changed, 142 insertions, 0 deletions
diff --git a/lib/README.md b/lib/README.md new file mode 100644 index 0000000..21ca023 --- /dev/null +++ b/lib/README.md @@ -0,0 +1,13 @@ +infra->lib +========== + +Attribution +----------- + +Most of the 'moving parts' of this is largely copied/modified from: + +- [hlissner/dotfiles][hlissner]: 2023-Feb, MIT (C) Henrik Lissner +- [NobbZ/nixos-config][nobbz]: 2022, MIT (C) Nobert Melzer + +[hlissner]: https://github.com/hlissner/dotfiles +[nobbz]: https://github.com/NobbZ/nixos-config diff --git a/lib/attrs.nix b/lib/attrs.nix new file mode 100644 index 0000000..0f8ebd1 --- /dev/null +++ b/lib/attrs.nix @@ -0,0 +1,26 @@ +{ lib, ... }: + +with builtins; +with lib; +rec { + # attrsToList + attrsToList = attrs: + mapAttrsToList (name: value: { inherit name value; }) attrs; + + # mapFilterAttrs :: + # (name -> value -> bool) + # (name -> value -> { name = any; value = any; }) + # attrs + mapFilterAttrs = pred: f: attrs: filterAttrs pred (mapAttrs' f attrs); + + # Generate an attribute set by mapping a function over a list of values. + genAttrs' = values: f: listToAttrs (map f values); + + # anyAttrs :: (name -> value -> bool) attrs + anyAttrs = pred: attrs: + any (attr: pred attr.name attr.value) (attrsToList attrs); + + # countAttrs :: (name -> value -> bool) attrs + countAttrs = pred: attrs: + count (attr: pred attr.name attr.value) (attrsToList attrs); +} diff --git a/lib/default.nix b/lib/default.nix new file mode 100644 index 0000000..a275c09 --- /dev/null +++ b/lib/default.nix @@ -0,0 +1,18 @@ +{ inputs, lib, pkgs, ... }: + +let + inherit (lib) makeExtensible attrValues foldr; + inherit (modules) mapModules; + + modules = import ./modules.nix { + inherit lib; + self.attrs = import ./attrs.nix { inherit lib; self = { }; }; + }; + + mylib = makeExtensible (self: + with self; mapModules ./. + (file: import file { inherit self lib pkgs inputs; })); +in +mylib.extend + (self: super: + foldr (a: b: a // b) { } (attrValues super)) diff --git a/lib/misc.nix b/lib/misc.nix new file mode 100644 index 0000000..484d0d5 --- /dev/null +++ b/lib/misc.nix @@ -0,0 +1,9 @@ +{ pkgs, ... }: + +rec { + # ifd3f/infra + wrapFile = name: path: + (pkgs.runCommand name { inherit path; } '' + cp -r "$path" "$out" + ''); +} diff --git a/lib/modules.nix b/lib/modules.nix new file mode 100644 index 0000000..ef7c289 --- /dev/null +++ b/lib/modules.nix @@ -0,0 +1,54 @@ +{ self, lib, ... }: + +let + inherit (builtins) attrValues readDir pathExists concatLists; + inherit (lib) id mapAttrsToList filterAttrs hasPrefix hasSuffix nameValuePair removeSuffix; + inherit (self.attrs) mapFilterAttrs; +in +rec { + mapModules = dir: fn: + mapFilterAttrs + (n: v: + v != null && + !(hasPrefix "_" n)) + (n: v: + let path = "${toString dir}/${n}"; in + if v == "directory" && pathExists "${path}/default.nix" + then nameValuePair n (fn path) + else if v == "regular" && + n != "default.nix" && + hasSuffix ".nix" n + then nameValuePair (removeSuffix ".nix" n) (fn path) + else nameValuePair "" null) + (readDir dir); + + mapModules' = dir: fn: + attrValues (mapModules dir fn); + + mapModulesRec = dir: fn: + mapFilterAttrs + (n: v: + v != null && + !(hasPrefix "_" n)) + (n: v: + let path = "${toString dir}/${n}"; in + if v == "directory" + then nameValuePair n (mapModulesRec path fn) + else if v == "regular" && n != "default.nix" && hasSuffix ".nix" n + then nameValuePair (removeSuffix ".nix" n) (fn path) + else nameValuePair "" null) + (readDir dir); + + mapModulesRec' = dir: fn: + let + dirs = + mapAttrsToList + (k: _: "${dir}/${k}") + (filterAttrs + (n: v: v == "directory" && !(hasPrefix "_" n)) + (readDir dir)); + files = attrValues (mapModules dir id); + paths = files ++ concatLists (map (d: mapModulesRec' d id) dirs); + in + map fn paths; +} diff --git a/lib/system.nix b/lib/system.nix new file mode 100644 index 0000000..8fc4dce --- /dev/null +++ b/lib/system.nix @@ -0,0 +1,22 @@ +{ self, inputs, lib, pkgs, ... }: + +with lib; +with lib.my; +{ + mkSystem = path: attrs @ { ... }: { + imports = [ + { + networking.hostName = mkDefault + (removeSuffix ".nix" (baseNameOf path)); + system.configurationRevision = self.rev or "dirty"; + } + ../. # /default.nix + (import path) + ]; + }; + + mapSystems = dir: attrs @ { system ? system, ... }: + mapModules dir + (hostPath: mkSystem hostPath attrs); +} + |