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86 lines
1.9 KiB
Nix
86 lines
1.9 KiB
Nix
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# Based off of:
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# https://github.com/NixOS/nixpkgs/blob/776c3bee4769c616479393aeefceefeda16b6fcb/pkgs/tools/nix/npins/source.nix
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{
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lib,
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fetchurl,
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fetchgit,
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fetchzip,
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}:
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builtins.mapAttrs
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(
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_: let
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getZip = {
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url,
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hash,
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...
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}:
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fetchzip {
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inherit url;
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sha256 = hash;
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extension = "tar";
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};
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mkGitSource = {
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repository,
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revision,
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url ? null,
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hash,
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...
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} @ attrs:
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assert repository ? type;
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if url != null
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then getZip attrs
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else
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assert repository.type == "Git"; let
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urlToName = url: rev: let
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matched = builtins.match "^.*/([^/]*)(\\.git)?$" repository.url;
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short = builtins.substring 0 7 rev;
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appendShort =
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if (builtins.match "[a-f0-9]*" rev) != null
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then "-${short}"
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else "";
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in "${
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if matched == null
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then "source"
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else builtins.head matched
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}${appendShort}";
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name = urlToName repository.url revision;
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in
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fetchgit {
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inherit name;
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inherit (repository) url;
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rev = revision;
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sha256 = hash;
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};
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mkPyPiSource = {
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url,
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hash,
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...
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}:
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fetchurl {
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inherit url;
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sha256 = hash;
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};
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in
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spec:
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assert spec ? type; let
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func =
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{
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Git = mkGitSource;
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GitRelease = mkGitSource;
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PyPi = mkPyPiSource;
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Channel = getZip;
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}
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.${spec.type}
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or (builtins.throw "Unknown source type ${spec.type}");
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in
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spec // {outPath = func spec;}
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)
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(
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let
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json = lib.importJSON ./sources.json;
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in
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assert lib.assertMsg (json.version == 3) "Npins version mismatch!";
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json.pins
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)
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