25 lines
944 B
Nix
25 lines
944 B
Nix
self: super:
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let
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nixos = self.config.unstable-latest.nixos or true;
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useUnstable = self.config.useUnstable or true;
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unstablePkgsExprs = if nixos
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then builtins.fetchTarball "https://channels.nixos.org/nixos-unstable/nixexprs.tar.xz"
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else builtins.fetchTarball "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.xz";
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# Compiled nixpkgs expression eg expressions from a nix channel
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nixpkgsVersion = builtins.concatStringsSep "." [
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(builtins.readFile "${unstablePkgsExprs}/.version")
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(builtins.readFile "${unstablePkgsExprs}/.version-suffix")
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];
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nixpkgsRevision = (builtins.readFile "${unstablePkgsExprs}/.git-revision");
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in
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import ./unstable-from-source.nix {
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unstableSource = unstablePkgsExprs;
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attributeName = "unstable-latest";
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} self super // {
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unstableLatestVersion = if !useUnstable then null else nixpkgsVersion;
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unstableLatestRevision = if !useUnstable then null else nixpkgsRevision;
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}
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