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flake: also provide proper version info for lib's flake

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This effectively means that

    nixpkgs$ nix eval ./lib#lib.trivial.version
    "23.11.20231020.ee0d6b5"

now gives meaningful results as well.

See https://github.com/NixOS/nixpkgs/pull/257100#discussion_r1352075369
for the discussion around this.
This commit is contained in:
Maximilian Bosch 2023-10-20 12:12:48 +02:00
parent 039f73f134
commit bb7921d1d6
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3 changed files with 24 additions and 10 deletions
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10
flake.nix
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@ -9,17 +9,9 @@
nixpkgs = self;
};
libVersionInfoOverlay = import ./lib/__flake-version-info.nix self;
lib = (import ./lib).extend libVersionInfoOverlay;
libVersionInfoOverlay = finalLib: prevLib: {
trivial = prevLib.trivial // {
versionSuffix =
".${finalLib.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}.${self.shortRev or "dirty"}";
version = finalLib.trivial.release + finalLib.trivial.versionSuffix;
revisionWithDefault = default: self.rev or default;
};
};
forAllSystems = lib.genAttrs lib.systems.flakeExposed;
in
{