+14

.github/workflows/flake-check.yaml

reviewed

··· 46 46 nix flake metadata 47 47 nix run .#write-flake -L --show-trace --override-input flake-file "github:$GITHUB_REPOSITORY/$GITHUB_SHA" 48 48 nix flake check -L --show-trace --override-input flake-file "github:$GITHUB_REPOSITORY/$GITHUB_SHA" 49 49 + npins: 50 50 + name: Check npins 51 51 + runs-on: ubuntu-latest 52 52 + steps: 53 53 + - uses: actions/checkout@v4 54 54 + - uses: wimpysworld/nothing-but-nix@main 55 55 + - uses: cachix/install-nix-action@v31 56 56 + - uses: DeterminateSystems/magic-nix-cache-action@main 57 57 + - run: | 58 58 + set -e -o pipefail 59 59 + cd templates/npins 60 60 + sed -i 's/# flake-file = import/flake-file = import/' default.nix 61 61 + echo "{ inputs, ... }: { npins.pkgs = import inputs.nixpkgs {}; }" | tee modules/pkgs.nix 62 62 + nix-shell . -A npins.env --run write-npins 49 63 unflake: 50 64 name: Check unflake 51 65 runs-on: ubuntu-latest

+15 -2

README.md

reviewed

··· 18 18 It makes your flake configuration modular and based on the Nix module system. This means you can use 19 19 `lib.mkDefault` or anything you normally do with Nix modules, and have them reflected in flake schema values. 20 20 21 21 - > Despite the original flake-oriented name, it NOW also works on _stable Nix_, [_non flakes_](templates/unflake) environments. 21 21 + > Despite the original flake-oriented name, it NOW also works on _stable Nix_, non-flakes environments via [npins](templates/npins) or [unflake](templates/unflake). 22 22 23 23 <table><tr><td> 24 24 ··· 34 34 - Incrementally add [flake-parts-builder](#parts_templates) templates. 35 35 - Pick flakeModules for different feature sets. 36 36 - [Dendritic](https://vic.github.io/dendrix/Dendritic.html) flake template. 37 37 - - Works on stable Nix, [unflake](templates/unflake) environments. 37 37 + - Works on stable Nix, [npins](templates/npins) and [unflake](templates/unflake) environments. 38 38 39 39 </td><td> 40 40 ··· 151 151 152 152 > Previously, this module included `flake-aspects` and `den` as dependencies. It now provides a pure flake-parts Dendritic setup. If you need the complete [den](https://github.com/vic/den) functionality, use den's `flakeModules.dendritic` instead. 153 153 154 154 + #### [`flakeModules.npins`](https://github.com/vic/flake-file/tree/main/modules/npins.nix) 155 155 + 156 156 + - Defines `flake-file` options for [npins](https://github.com/andir/npins)-based dependency pinning. 157 157 + - Exposes `write-npins` to generate/update the `npins/` directory from declared inputs. 158 158 + - Supports `github`, `gitlab`, `channel`, `tarball`, and `git` URL schemes. 159 159 + - Respects `follows` for transitive dependency deduplication. 160 160 + - Prunes stale pins automatically. 161 161 + - See [templates/npins](templates/npins) for usage. 162 162 + 154 163 #### [`flakeModules.unflake`](https://github.com/vic/flake-file/tree/main/modules/unflake.nix) 155 164 156 165 - Defines `flake-file` options. ··· 192 201 #### [`parts`](templates/parts) template 193 202 194 203 A template that uses `lib.flakeModules.flake-parts-builder`. 204 204 + 205 205 + #### [`npins`](templates/npins) template 206 206 + 207 207 + Uses [npins](https://github.com/andir/npins) to pin and fetch inputs defined as options for non-flakes stable Nix environments. Supports channels, GitHub, GitLab, tarballs, and git repos. Recommended for new non-flake projects. 195 208 196 209 #### [`unflake`](templates/unflake) template 197 210

+1

dev/modules/formatter.nix

reviewed

··· 33 33 "*/.gitignore" 34 34 "**/unflake.nix" # generated by: nix-shell . -A unflake.env --run write-unflake 35 35 "**/inputs.nix" # generated by: nix-shell . -A unflake.env --run write-inputs 36 36 + "**/npins/default.nix" # generated by write-npins 36 37 ]; 37 38 }; 38 39 };

+11

modules/default.nix

reviewed

··· 6 6 nix-auto-follow 7 7 dendritic 8 8 import-tree 9 9 + npins 9 10 unflake 10 11 ; 11 12 }; 13 13 + 14 14 + npins.imports = [ 15 15 + ./options 16 16 + ./npins.nix 17 17 + ]; 12 18 13 19 unflake.imports = [ 14 20 ./options ··· 40 46 templates.default = { 41 47 description = "default template"; 42 48 path = ./../templates/default; 49 49 + }; 50 50 + 51 51 + templates.npins = { 52 52 + description = "npins template"; 53 53 + path = ./../templates/npins; 43 54 }; 44 55 45 56 templates.unflake = {

+173

modules/npins.nix

reviewed

··· 1 1 + { lib, config, ... }: 2 2 + let 3 3 + inherit (config.npins) pkgs; 4 4 + 5 5 + parseFlakeUrl = 6 6 + url: 7 7 + let 8 8 + parts = lib.splitString ":" url; 9 9 + scheme = lib.head parts; 10 10 + rest = lib.concatStringsSep ":" (lib.tail parts); 11 11 + in 12 12 + if scheme == "github" then 13 13 + parseGithub rest 14 14 + else if scheme == "gitlab" then 15 15 + parseGitlab rest 16 16 + else if isChannelUrl url then 17 17 + parseChannel url 18 18 + else if lib.hasPrefix "https://" url || lib.hasPrefix "http://" url then 19 19 + { 20 20 + type = "tarball"; 21 21 + inherit url; 22 22 + } 23 23 + else 24 24 + { 25 25 + type = "git"; 26 26 + inherit url; 27 27 + }; 28 28 + 29 29 + parseGithub = 30 30 + rest: 31 31 + let 32 32 + segments = lib.splitString "/" rest; 33 33 + owner = lib.elemAt segments 0; 34 34 + repo = lib.elemAt segments 1; 35 35 + ref = if lib.length segments > 2 then lib.elemAt segments 2 else null; 36 36 + in 37 37 + { 38 38 + type = "github"; 39 39 + inherit owner repo ref; 40 40 + }; 41 41 + 42 42 + parseGitlab = 43 43 + rest: 44 44 + let 45 45 + segments = lib.splitString "/" rest; 46 46 + owner = lib.elemAt segments 0; 47 47 + repo = lib.elemAt segments 1; 48 48 + ref = if lib.length segments > 2 then lib.elemAt segments 2 else null; 49 49 + in 50 50 + { 51 51 + type = "gitlab"; 52 52 + inherit owner repo ref; 53 53 + }; 54 54 + 55 55 + isChannelUrl = 56 56 + url: 57 57 + lib.hasPrefix "https://channels.nixos.org/" url || lib.hasPrefix "https://releases.nixos.org/" url; 58 58 + 59 59 + parseChannel = 60 60 + url: 61 61 + let 62 62 + path = lib.removePrefix "https://channels.nixos.org/" url; 63 63 + channel = lib.head (lib.splitString "/" path); 64 64 + in 65 65 + { 66 66 + type = "channel"; 67 67 + inherit channel; 68 68 + }; 69 69 + 70 70 + branchFlag = 71 71 + parsed: 72 72 + if parsed ? ref && parsed.ref != null then " -b ${lib.escapeShellArg parsed.ref}" else " -b main"; 73 73 + 74 74 + esc = lib.escapeShellArg; 75 75 + 76 76 + npinsAddCmd = 77 77 + name: parsed: 78 78 + if parsed.type == "github" then 79 79 + "npins add github --name ${esc name}${branchFlag parsed} ${esc parsed.owner} ${esc parsed.repo}" 80 80 + else if parsed.type == "gitlab" then 81 81 + "npins add gitlab --name ${esc name}${branchFlag parsed} ${esc parsed.owner} ${esc parsed.repo}" 82 82 + else if parsed.type == "channel" then 83 83 + "npins add channel --name ${esc name} ${esc parsed.channel}" 84 84 + else if parsed.type == "tarball" then 85 85 + "npins add tarball --name ${esc name} ${esc parsed.url}" 86 86 + else 87 87 + "npins add git --name ${esc name} ${esc parsed.url}"; 88 88 + 89 89 + hasFollows = sub: sub ? follows && sub.follows != null; 90 90 + 91 91 + transitiveInputs = 92 92 + name: input: 93 93 + let 94 94 + subs = input.inputs or { }; 95 95 + nonFollowed = lib.filterAttrs (_: sub: !(hasFollows sub)) subs; 96 96 + in 97 97 + lib.mapAttrs' (sub: _: lib.nameValuePair "${name}/${sub}" sub) nonFollowed; 98 98 + 99 99 + collectTransitive = lib.foldlAttrs ( 100 100 + acc: name: input: 101 101 + acc // (transitiveInputs name input) 102 102 + ) { }; 103 103 + 104 104 + pinnableInputs = lib.filterAttrs (_: v: v.url or "" != "") config.flake-file.inputs; 105 105 + 106 106 + allTransitive = collectTransitive config.flake-file.inputs; 107 107 + 108 108 + pinnableTransitive = lib.filterAttrs (_: v: v.url or "" != "") allTransitive; 109 109 + 110 110 + allPins = pinnableInputs // pinnableTransitive; 111 111 + 112 112 + addIfMissing = 113 113 + name: input: 114 114 + let 115 115 + cmd = npinsAddCmd name (parseFlakeUrl (input.url or "")); 116 116 + in 117 117 + '' 118 118 + if ! jq -e --arg n ${esc name} '.pins | has($n)' npins/sources.json >/dev/null 2>&1; then 119 119 + ${cmd} 120 120 + fi 121 121 + ''; 122 122 + 123 123 + addCommands = lib.concatStringsSep "\n" (lib.mapAttrsToList addIfMissing allPins); 124 124 + 125 125 + pinNames = lib.concatStringsSep " " (lib.attrNames allPins); 126 126 + 127 127 + write-npins = pkgs.writeShellApplication { 128 128 + name = "write-npins"; 129 129 + runtimeInputs = [ 130 130 + pkgs.npins 131 131 + pkgs.jq 132 132 + ]; 133 133 + text = '' 134 134 + npins init --bare 2>/dev/null || true 135 135 + ${addCommands} 136 136 + wanted="${pinNames}" 137 137 + if [ -f npins/sources.json ]; then 138 138 + for existing in $(jq -r '.pins | keys[]' npins/sources.json); do 139 139 + keep=false 140 140 + for w in $wanted; do 141 141 + if [ "$existing" = "$w" ]; then keep=true; break; fi 142 142 + done 143 143 + if [ "$keep" = false ]; then 144 144 + npins remove "$existing" 145 145 + fi 146 146 + done 147 147 + fi 148 148 + ''; 149 149 + }; 150 150 + 151 151 + env = pkgs.mkShell { 152 152 + buildInputs = [ 153 153 + pkgs.npins 154 154 + write-npins 155 155 + ]; 156 156 + }; 157 157 + in 158 158 + { 159 159 + options.npins = { 160 160 + pkgs = lib.mkOption { 161 161 + type = lib.types.raw; 162 162 + description = "nixpkgs instance for npins generator"; 163 163 + default = import <nixpkgs> { }; 164 164 + }; 165 165 + 166 166 + env = lib.mkOption { 167 167 + type = lib.types.raw; 168 168 + readOnly = true; 169 169 + internal = true; 170 170 + default = env; 171 171 + }; 172 172 + }; 173 173 + }

templates/npins/.gitignore

reviewed

This is a binary file and will not be displayed.

+18

templates/npins/README.md

reviewed

··· 1 1 + # npins 2 2 + 3 3 + This template is an example of using `flake-file.inputs` in a non-flakes 4 4 + project with [npins](https://github.com/andir/npins). 5 5 + 6 6 + It uses npins to pin and fetch inputs defined as options inside `./modules`. 7 7 + 8 8 + ## Update npins 9 9 + 10 10 + Update the `npins/` directory from your declared inputs: 11 11 + 12 12 + ```shell 13 13 + nix-shell . -A npins.env --run write-npins 14 14 + ``` 15 15 + 16 16 + This will run `npins add` for 17 17 + each input declared in your modules, using the correct npins subcommand 18 18 + (`github`, `tarball`, `git`, etc.) based on the input URL scheme.

+26

templates/npins/default.nix

reviewed

··· 1 1 + let 2 2 + outputs = 3 3 + inputs: 4 4 + let 5 5 + nixpkgs = inputs.nixpkgs or (import <nixpkgs> { }); 6 6 + import-tree = inputs.import-tree or (import <import-tree>); 7 7 + in 8 8 + (nixpkgs.lib.evalModules { 9 9 + modules = [ (import-tree ./modules) ]; 10 10 + specialArgs = { 11 11 + inherit inputs; 12 12 + self = inputs.self or { }; 13 13 + }; 14 14 + }).config; 15 15 + 16 16 + withInputs = 17 17 + inputs: outputs: 18 18 + outputs ( 19 19 + inputs 20 20 + // { 21 21 + # uncomment on CI for local checkout 22 22 + # flake-file = import ./../../modules; 23 23 + } 24 24 + ); 25 25 + in 26 26 + import ./with-inputs.nix withInputs outputs

+10

templates/npins/modules/default.nix

reviewed

··· 1 1 + { inputs, ... }: 2 2 + { 3 3 + imports = [ inputs.flake-file.flakeModules.npins ]; 4 4 + 5 5 + flake-file.inputs = { 6 6 + flake-file.url = "github:vic/flake-file"; 7 7 + import-tree.url = "github:vic/import-tree"; 8 8 + nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"; 9 9 + }; 10 10 + }

+249

templates/npins/npins/default.nix

reviewed

··· 1 1 + /* 2 2 + This file is provided under the MIT licence: 3 3 + 4 4 + Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 5 5 + 6 6 + The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 7 7 + 8 8 + THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 9 9 + */ 10 10 + # Generated by npins. Do not modify; will be overwritten regularly 11 11 + let 12 12 + # Backwards-compatibly make something that previously didn't take any arguments take some 13 13 + # The function must return an attrset, and will unfortunately be eagerly evaluated 14 14 + # Same thing, but it catches eval errors on the default argument so that one may still call it with other arguments 15 15 + mkFunctor = 16 16 + fn: 17 17 + let 18 18 + e = builtins.tryEval (fn { }); 19 19 + in 20 20 + (if e.success then e.value else { error = fn { }; }) // { __functor = _self: fn; }; 21 21 + 22 22 + # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295 23 23 + range = 24 24 + first: last: if first > last then [ ] else builtins.genList (n: first + n) (last - first + 1); 25 25 + 26 26 + # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257 27 27 + stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1)); 28 28 + 29 29 + # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269 30 30 + stringAsChars = f: s: concatStrings (map f (stringToCharacters s)); 31 31 + concatStrings = builtins.concatStringsSep ""; 32 32 + 33 33 + # If the environment variable NPINS_OVERRIDE_${name} is set, then use 34 34 + # the path directly as opposed to the fetched source. 35 35 + # (Taken from Niv for compatibility) 36 36 + mayOverride = 37 37 + name: path: 38 38 + let 39 39 + envVarName = "NPINS_OVERRIDE_${saneName}"; 40 40 + saneName = stringAsChars (c: if (builtins.match "[a-zA-Z0-9]" c) == null then "_" else c) name; 41 41 + ersatz = builtins.getEnv envVarName; 42 42 + in 43 43 + if ersatz == "" then 44 44 + path 45 45 + else 46 46 + # this turns the string into an actual Nix path (for both absolute and 47 47 + # relative paths) 48 48 + builtins.trace "Overriding path of \"${name}\" with \"${ersatz}\" due to set \"${envVarName}\"" ( 49 49 + if builtins.substring 0 1 ersatz == "/" then 50 50 + /. + ersatz 51 51 + else 52 52 + /. + builtins.getEnv "PWD" + "/${ersatz}" 53 53 + ); 54 54 + 55 55 + mkSource = 56 56 + name: spec: 57 57 + { 58 58 + pkgs ? null, 59 59 + }: 60 60 + assert spec ? type; 61 61 + let 62 62 + # Unify across builtin and pkgs fetchers. 63 63 + # `fetchGit` requires a wrapper because of slight API differences. 64 64 + fetchers = 65 65 + if pkgs == null then 66 66 + { 67 67 + inherit (builtins) fetchTarball fetchurl; 68 68 + # For some fucking reason, fetchGit has a different signature than the other builtin fetchers … 69 69 + fetchGit = args: (builtins.fetchGit args).outPath; 70 70 + } 71 71 + else 72 72 + { 73 73 + fetchTarball = 74 74 + { 75 75 + url, 76 76 + sha256, 77 77 + }: 78 78 + pkgs.fetchzip { 79 79 + inherit url sha256; 80 80 + extension = "tar"; 81 81 + }; 82 82 + inherit (pkgs) fetchurl; 83 83 + fetchGit = 84 84 + { 85 85 + url, 86 86 + submodules, 87 87 + rev, 88 88 + name, 89 89 + narHash, 90 90 + }: 91 91 + pkgs.fetchgit { 92 92 + inherit url rev name; 93 93 + fetchSubmodules = submodules; 94 94 + hash = narHash; 95 95 + }; 96 96 + }; 97 97 + 98 98 + # Dispatch to the correct code path based on the type 99 99 + path = 100 100 + if spec.type == "Git" then 101 101 + mkGitSource fetchers spec 102 102 + else if spec.type == "GitRelease" then 103 103 + mkGitSource fetchers spec 104 104 + else if spec.type == "PyPi" then 105 105 + mkPyPiSource fetchers spec 106 106 + else if spec.type == "Channel" then 107 107 + mkChannelSource fetchers spec 108 108 + else if spec.type == "Tarball" then 109 109 + mkTarballSource fetchers spec 110 110 + else if spec.type == "Container" then 111 111 + mkContainerSource pkgs spec 112 112 + else 113 113 + builtins.throw "Unknown source type ${spec.type}"; 114 114 + in 115 115 + spec // { outPath = mayOverride name path; }; 116 116 + 117 117 + mkGitSource = 118 118 + { 119 119 + fetchTarball, 120 120 + fetchGit, 121 121 + ... 122 122 + }: 123 123 + { 124 124 + repository, 125 125 + revision, 126 126 + url ? null, 127 127 + submodules, 128 128 + hash, 129 129 + ... 130 130 + }: 131 131 + assert repository ? type; 132 132 + # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository 133 133 + # In the latter case, there we will always be an url to the tarball 134 134 + if url != null && !submodules then 135 135 + fetchTarball { 136 136 + inherit url; 137 137 + sha256 = hash; 138 138 + } 139 139 + else 140 140 + let 141 141 + url = 142 142 + if repository.type == "Git" then 143 143 + repository.url 144 144 + else if repository.type == "GitHub" then 145 145 + "https://github.com/${repository.owner}/${repository.repo}.git" 146 146 + else if repository.type == "GitLab" then 147 147 + "${repository.server}/${repository.repo_path}.git" 148 148 + else if repository.type == "Forgejo" then 149 149 + "${repository.server}/${repository.owner}/${repository.repo}.git" 150 150 + else 151 151 + throw "Unrecognized repository type ${repository.type}"; 152 152 + urlToName = 153 153 + url: rev: 154 154 + let 155 155 + matched = builtins.match "^.*/([^/]*)(\\.git)?$" url; 156 156 + 157 157 + short = builtins.substring 0 7 rev; 158 158 + 159 159 + appendShort = if (builtins.match "[a-f0-9]*" rev) != null then "-${short}" else ""; 160 160 + in 161 161 + "${if matched == null then "source" else builtins.head matched}${appendShort}"; 162 162 + name = urlToName url revision; 163 163 + in 164 164 + fetchGit { 165 165 + rev = revision; 166 166 + narHash = hash; 167 167 + 168 168 + inherit name submodules url; 169 169 + }; 170 170 + 171 171 + mkPyPiSource = 172 172 + { fetchurl, ... }: 173 173 + { 174 174 + url, 175 175 + hash, 176 176 + ... 177 177 + }: 178 178 + fetchurl { 179 179 + inherit url; 180 180 + sha256 = hash; 181 181 + }; 182 182 + 183 183 + mkChannelSource = 184 184 + { fetchTarball, ... }: 185 185 + { 186 186 + url, 187 187 + hash, 188 188 + ... 189 189 + }: 190 190 + fetchTarball { 191 191 + inherit url; 192 192 + sha256 = hash; 193 193 + }; 194 194 + 195 195 + mkTarballSource = 196 196 + { fetchTarball, ... }: 197 197 + { 198 198 + url, 199 199 + locked_url ? url, 200 200 + hash, 201 201 + ... 202 202 + }: 203 203 + fetchTarball { 204 204 + url = locked_url; 205 205 + sha256 = hash; 206 206 + }; 207 207 + 208 208 + mkContainerSource = 209 209 + pkgs: 210 210 + { 211 211 + image_name, 212 212 + image_tag, 213 213 + image_digest, 214 214 + ... 215 215 + }: 216 216 + if pkgs == null then 217 217 + builtins.throw "container sources require passing in a Nixpkgs value: https://github.com/andir/npins/blob/master/README.md#using-the-nixpkgs-fetchers" 218 218 + else 219 219 + pkgs.dockerTools.pullImage { 220 220 + imageName = image_name; 221 221 + imageDigest = image_digest; 222 222 + finalImageTag = image_tag; 223 223 + }; 224 224 + in 225 225 + mkFunctor ( 226 226 + { 227 227 + input ? ./sources.json, 228 228 + }: 229 229 + let 230 230 + data = 231 231 + if builtins.isPath input then 232 232 + # while `readFile` will throw an error anyways if the path doesn't exist, 233 233 + # we still need to check beforehand because *our* error can be caught but not the one from the builtin 234 234 + # *piegames sighs* 235 235 + if builtins.pathExists input then 236 236 + builtins.fromJSON (builtins.readFile input) 237 237 + else 238 238 + throw "Input path ${toString input} does not exist" 239 239 + else if builtins.isAttrs input then 240 240 + input 241 241 + else 242 242 + throw "Unsupported input type ${builtins.typeOf input}, must be a path or an attrset"; 243 243 + version = data.version; 244 244 + in 245 245 + if version == 7 then 246 246 + builtins.mapAttrs (name: spec: mkFunctor (mkSource name spec)) data.pins 247 247 + else 248 248 + throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`" 249 249 + )

+36

templates/npins/npins/sources.json

reviewed

··· 1 1 + { 2 2 + "pins": { 3 3 + "flake-file": { 4 4 + "type": "Git", 5 5 + "repository": { 6 6 + "type": "GitHub", 7 7 + "owner": "vic", 8 8 + "repo": "flake-file" 9 9 + }, 10 10 + "branch": "main", 11 11 + "submodules": false, 12 12 + "revision": "619d2212482c104fd3bbc815d80c6227b1b01338", 13 13 + "url": "https://github.com/vic/flake-file/archive/619d2212482c104fd3bbc815d80c6227b1b01338.tar.gz", 14 14 + "hash": "sha256-SQhPQRbs35fQ8ZE7tbfHsf2eu5r+oICyZL1SpGIPvGg=" 15 15 + }, 16 16 + "import-tree": { 17 17 + "type": "Git", 18 18 + "repository": { 19 19 + "type": "GitHub", 20 20 + "owner": "vic", 21 21 + "repo": "import-tree" 22 22 + }, 23 23 + "branch": "main", 24 24 + "submodules": false, 25 25 + "revision": "c968d3b54d12cf5d9c13f16f7c545a06c9d1fde6", 26 26 + "url": "https://github.com/vic/import-tree/archive/c968d3b54d12cf5d9c13f16f7c545a06c9d1fde6.tar.gz", 27 27 + "hash": "sha256-oYO4poyw0Sb/db2PigqugMlDwsvwLg6CSpFrMUWxA3Q=" 28 28 + }, 29 29 + "nixpkgs": { 30 30 + "type": "Tarball", 31 31 + "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz", 32 32 + "hash": "sha256-5xZ8rQTzV4cSAPMvIZpVpF05p5iwUnEuONeelwseA4g=" 33 33 + } 34 34 + }, 35 35 + "version": 7 36 36 + }

+40

templates/npins/with-inputs.nix

reviewed

··· 1 1 + let 2 2 + hasSources = builtins.pathExists ./npins; 3 3 + sources = if hasSources then import ./npins else { }; 4 4 + selfInputs = builtins.mapAttrs (name: value: mkInputs name value) sources; 5 5 + # from Nixlock: https://codeberg.org/FrdrCkII/nixlock/src/branch/main/default.nix 6 6 + mkInputs = 7 7 + name: sourceInfo: 8 8 + let 9 9 + flakePath = sourceInfo.outPath + "/flake.nix"; 10 10 + isFlake = sources.${name}.flake or true; 11 11 + in 12 12 + if isFlake && builtins.pathExists flakePath then 13 13 + let 14 14 + flake = import (sourceInfo.outPath + "/flake.nix"); 15 15 + inputs = builtins.mapAttrs (name: _value: selfInputs.${name}) (flake.inputs or { }); 16 16 + outputs = flake.outputs (inputs // { inherit self; }); 17 17 + self = 18 18 + sourceInfo 19 19 + // outputs 20 20 + // { 21 21 + _type = "flake"; 22 22 + inherit inputs outputs sourceInfo; 23 23 + }; 24 24 + in 25 25 + self 26 26 + else 27 27 + sourceInfo 28 28 + // { 29 29 + inherit sourceInfo; 30 30 + }; 31 31 + in 32 32 + selfInputs 33 33 + // { 34 34 + __functor = 35 35 + selfInputs: outputs: 36 36 + let 37 37 + self = outputs (selfInputs // { inherit self; }); 38 38 + in 39 39 + self; 40 40 + }

+45 -25

templates/unflake/unflake.nix

reviewed

··· 20 20 unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz = builtins.fetchTree { 21 21 type = "tarball"; 22 22 url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz"; 23 23 - lastModified = 1771423170; 24 24 - narHash = "sha256-V/p5M4cAMbu/MJBDn5YABy5QJgCFpsgrnXVVc2Uo5+k="; 23 23 + lastModified = 1771482645; 24 24 + narHash = "sha256-5xZ8rQTzV4cSAPMvIZpVpF05p5iwUnEuONeelwseA4g="; 25 25 }; 26 26 }; 27 27 universe = rec { 28 28 - unflake_github_vic_flake-file = ((import "${deps.unflake_github_vic_flake-file.outPath}/flake.nix").outputs { 29 29 - self = unflake_github_vic_flake-file; 30 30 - }) // deps.unflake_github_vic_flake-file // { 31 31 - _flake = true; 32 32 - outPath = "${deps.unflake_github_vic_flake-file.outPath}"; 33 33 - sourceInfo = deps.unflake_github_vic_flake-file; 34 34 - }; 35 35 - unflake_github_vic_import-tree = ((import "${deps.unflake_github_vic_import-tree.outPath}/flake.nix").outputs { 36 36 - self = unflake_github_vic_import-tree; 37 37 - }) // deps.unflake_github_vic_import-tree // { 38 38 - _flake = true; 39 39 - outPath = "${deps.unflake_github_vic_import-tree.outPath}"; 40 40 - sourceInfo = deps.unflake_github_vic_import-tree; 41 41 - }; 42 42 - unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz = ((import "${deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz.outPath}/flake.nix").outputs { 43 43 - self = unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz; 44 44 - }) // deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz // { 45 45 - _flake = true; 46 46 - outPath = "${deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz.outPath}"; 47 47 - sourceInfo = deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz; 48 48 - }; 28 28 + unflake_github_vic_flake-file = 29 29 + ((import "${deps.unflake_github_vic_flake-file.outPath}/flake.nix").outputs { 30 30 + self = unflake_github_vic_flake-file; 31 31 + }) 32 32 + // deps.unflake_github_vic_flake-file 33 33 + // { 34 34 + _flake = true; 35 35 + outPath = "${deps.unflake_github_vic_flake-file.outPath}"; 36 36 + sourceInfo = deps.unflake_github_vic_flake-file; 37 37 + }; 38 38 + unflake_github_vic_import-tree = 39 39 + ((import "${deps.unflake_github_vic_import-tree.outPath}/flake.nix").outputs { 40 40 + self = unflake_github_vic_import-tree; 41 41 + }) 42 42 + // deps.unflake_github_vic_import-tree 43 43 + // { 44 44 + _flake = true; 45 45 + outPath = "${deps.unflake_github_vic_import-tree.outPath}"; 46 46 + sourceInfo = deps.unflake_github_vic_import-tree; 47 47 + }; 48 48 + unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz = 49 49 + ( 50 50 + (import "${deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz.outPath}/flake.nix") 51 51 + .outputs 52 52 + { 53 53 + self = unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz; 54 54 + } 55 55 + ) 56 56 + // deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz 57 57 + // { 58 58 + _flake = true; 59 59 + outPath = "${deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz.outPath 60 60 + }"; 61 61 + sourceInfo = deps.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz; 62 62 + }; 49 63 }; 50 64 inputs = { 51 65 flake-file = universe.unflake_github_vic_flake-file; 52 66 import-tree = universe.unflake_github_vic_import-tree; 53 67 nixpkgs = universe.unflake_tarball_https---channels-nixos-org-nixpkgs-unstable-nixexprs-tar-xz; 54 68 self = throw "to use inputs.self, write `import ./unflake.nix (inputs: ...)`"; 55 55 - withInputs = outputs: let self = outputs (inputs // { inherit self; }); in self; 69 69 + withInputs = 70 70 + outputs: 71 71 + let 72 72 + self = outputs (inputs // { inherit self; }); 73 73 + in 74 74 + self; 56 75 __functor = self: self.withInputs; 57 76 }; 58 58 - in inputs 77 77 + in 78 78 + inputs