forked from mirrors/nixpkgs
135742a845
This is a small quality-of-life improvement so that the package version/revision can be inferred from the /nix/store path (which is the convention for most of the Nixpkgs ecosystem).
60 lines
1.4 KiB
Nix
60 lines
1.4 KiB
Nix
{ buildDhallPackage, fetchFromGitHub, lib }:
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# This function is used by `dhall-to-nixpkgs` when given a GitHub repository
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lib.makePackageOverridable
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( { # Arguments passed through to `buildDhallPackage`
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name
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, dependencies ? []
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, source ? false
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, # The directory containing the Dhall files, if other than the root of the
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# repository
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directory ? ""
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, # The file to import, relative to the above directory
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file ? "package.dhall"
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# Set to `true` to generate documentation for the package
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, document ? false
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# Arguments passed through to `fetchFromGitHub`
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, owner
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, repo
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, rev
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# Extra arguments passed through to `fetchFromGitHub`, such as the hash
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# or `fetchSubmodules`
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, ...
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}@args:
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let
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versionedName = "${name}-${rev}";
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src = fetchFromGitHub ({
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name = "${versionedName}-source";
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inherit owner repo rev;
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} // removeAttrs args [
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"name"
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"dependencies"
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"document"
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"source"
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"directory"
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"file"
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"owner"
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"repo"
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"rev"
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]);
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prefix = lib.optionalString (directory != "") "${directory}/";
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in
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buildDhallPackage
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( { inherit dependencies source;
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name = versionedName;
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code = "${src}/${prefix}${file}";
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}
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// lib.optionalAttrs document
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{ documentationRoot = "${src}/${prefix}"; }
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)
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)
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