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https://github.com/nix-community/dream2nix.git
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feat: makeFLakeOutputs: add flag autoProjects
- defaults to false - helpful error is raised if set to false and `projects` is not defined
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parent
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38
src/lib.nix
38
src/lib.nix
@ -71,6 +71,24 @@
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}:
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initDream2nix (loadConfig config) pkgs;
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missingProjectsError = ''
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Please pass `projects` to makeFlakeOutputs.
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`projects` can be:
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- an attrset
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- a path to a .toml file
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- a path to a .json file
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To generate a projects.toml file automatically:
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1. execute:
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nix run github:nix-community/dream2nix#discover-projects > projects.toml
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2. review the ./projects.toml and edit it if necessary.
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3. pass `projects = ./projects.toml` to makeFlakeOutputs.
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Alternatively pass `autoProjects = true` to makeFlakeOutputs.
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This is not recommended as it doesn't allow you to review or filter the list
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of detected projects.
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'';
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makeFlakeOutputs = {
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source,
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pkgs ? null,
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@ -81,6 +99,7 @@
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pname ? throw "Please pass `pname` to makeFlakeOutputs",
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packageOverrides ? {},
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projects ? {},
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autoProjects ? false,
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settings ? [],
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sourceOverrides ? oldSources: {},
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} @ args: let
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@ -101,6 +120,21 @@
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file = systemsFromFile;
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};
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# if projects provided via `.json` or `.toml` file, parse to attrset
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projects = let
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givenProjects = args.projects or {};
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in
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if autoProjects && args ? projects
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then throw "Don't pass `projects` to makeFlakeOutputs when `autoProjects = true`"
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else if l.isPath givenProjects
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then
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if ! l.pathExists givenProjects
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then throw missingProjectsError
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else if l.hasSuffix ".toml" (l.toString givenProjects)
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then l.fromTOML (l.readFile givenProjects)
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else l.fromJSON (l.readFile givenProjects)
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else givenProjects;
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allPkgs = makeNixpkgs pkgs systems;
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initD2N = initDream2nix config;
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@ -128,7 +162,9 @@
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proj
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(l.head projectsList);
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})
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else discoveredProjects;
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else if autoProjects == true
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then discoveredProjects
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else throw missingProjectsError;
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allBuilderOutputs =
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l.mapAttrs
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