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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,93 +1,128 @@ | ||
| # This file has been generated by Niv. | ||
|
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| # A record, from name to path, of the third-party packages | ||
| with rec | ||
| { | ||
| let | ||
|
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||
| # | ||
| # The fetchers. fetch_<type> fetches specs of type <type>. | ||
| # | ||
|
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||
| fetch_file = spec: | ||
| if spec.builtin or true then | ||
| builtins_fetchurl { inherit (spec) url sha256; } | ||
| else | ||
| pkgs.fetchurl { inherit (spec) url sha256; }; | ||
|
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||
| fetch_tarball = spec: | ||
| if spec.builtin or true then | ||
| builtins_fetchTarball { inherit (spec) url sha256; } | ||
| else | ||
| pkgs.fetchzip { inherit (spec) url sha256; }; | ||
|
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| fetch_git = spec: | ||
| builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; }; | ||
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| fetch_builtin-tarball = spec: | ||
| builtins.trace | ||
| '' | ||
| WARNING: | ||
| The niv type "builtin-tarball" will soon be deprecated. You should | ||
| instead use `builtin = true`. | ||
| $ niv modify <package> -a type=tarball -a builtin=true | ||
| '' | ||
| builtins_fetchTarball { inherit (spec) url sha256; }; | ||
|
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| fetch_builtin-url = spec: | ||
| builtins.trace | ||
| '' | ||
| WARNING: | ||
| The niv type "builtin-url" will soon be deprecated. You should | ||
| instead use `builtin = true`. | ||
| $ niv modify <package> -a type=file -a builtin=true | ||
| '' | ||
| (builtins_fetchurl { inherit (spec) url sha256; }); | ||
|
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| # | ||
| # The sources to fetch. | ||
| # | ||
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| sources = builtins.fromJSON (builtins.readFile ./sources.json); | ||
|
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| # | ||
| # Various helpers | ||
| # | ||
|
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| # The set of packages used when specs are fetched using non-builtins. | ||
| pkgs = | ||
| if hasNixpkgsPath | ||
| then | ||
| if hasThisAsNixpkgsPath | ||
| then import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {} | ||
| else import <nixpkgs> {} | ||
| if hasThisAsNixpkgsPath | ||
| then import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {} | ||
| else import <nixpkgs> {} | ||
| else | ||
| import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {}; | ||
| import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {}; | ||
|
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||
| sources_nixpkgs = | ||
| if builtins.hasAttr "nixpkgs" sources | ||
| then sources.nixpkgs | ||
| else abort | ||
| '' | ||
| '' | ||
| Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or | ||
| add a package called "nixpkgs" to your sources.json. | ||
| ''; | ||
|
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||
| # fetchTarball version that is compatible between all the versions of Nix | ||
| builtins_fetchTarball = | ||
| { url, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchTarball; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchTarball { inherit url; } | ||
| else | ||
| fetchTarball attrs; | ||
|
|
||
| # fetchurl version that is compatible between all the versions of Nix | ||
| builtins_fetchurl = | ||
| { url, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchurl; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchurl { inherit url; } | ||
| else | ||
| fetchurl attrs; | ||
|
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||
| # A wrapper around pkgs.fetchzip that has inspectable arguments, | ||
| # annoyingly this means we have to specify them | ||
| fetchzip = { url, sha256 }@attrs: pkgs.fetchzip attrs; | ||
|
|
||
| # A wrapper around pkgs.fetchurl that has inspectable arguments, | ||
| # annoyingly this means we have to specify them | ||
| fetchurl = { url, sha256 }@attrs: pkgs.fetchurl attrs; | ||
| ''; | ||
|
|
||
| hasNixpkgsPath = (builtins.tryEval <nixpkgs>).success; | ||
| hasThisAsNixpkgsPath = | ||
| (builtins.tryEval <nixpkgs>).success && <nixpkgs> == ./.; | ||
|
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| sources = builtins.fromJSON (builtins.readFile ./sources.json); | ||
| # The actual fetching function. | ||
| fetch = name: spec: | ||
|
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||
| mapAttrs = builtins.mapAttrs or | ||
| (f: set: with builtins; | ||
| listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))); | ||
|
|
||
| # borrowed from nixpkgs | ||
| functionArgs = f: f.__functionArgs or (builtins.functionArgs f); | ||
| callFunctionWith = autoArgs: f: args: | ||
| let auto = builtins.intersectAttrs (functionArgs f) autoArgs; | ||
| in f (auto // args); | ||
|
|
||
| getFetcher = spec: | ||
| let fetcherName = | ||
| if builtins.hasAttr "type" spec | ||
| then builtins.getAttr "type" spec | ||
| else "builtin-tarball"; | ||
| in builtins.getAttr fetcherName { | ||
| "tarball" = fetchzip; | ||
| "builtin-tarball" = builtins_fetchTarball; | ||
| "file" = fetchurl; | ||
| "builtin-url" = builtins_fetchurl; | ||
| }; | ||
| }; | ||
| # NOTE: spec must _not_ have an "outPath" attribute | ||
| mapAttrs (_: spec: | ||
| if builtins.hasAttr "outPath" spec | ||
| then abort | ||
| "The values in sources.json should not have an 'outPath' attribute" | ||
| else | ||
| if builtins.hasAttr "url" spec && builtins.hasAttr "sha256" spec | ||
| then | ||
| spec // | ||
| { outPath = callFunctionWith spec (getFetcher spec) { }; } | ||
| else spec | ||
| ) sources | ||
| if ! builtins.hasAttr "type" spec then | ||
| abort "ERROR: niv spec ${name} does not have a 'type' attribute" | ||
| else if spec.type == "file" then fetch_file spec | ||
| else if spec.type == "tarball" then fetch_tarball spec | ||
| else if spec.type == "git" then fetch_git spec | ||
| else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec | ||
| else if spec.type == "builtin-url" then fetch_builtin-url spec | ||
| else | ||
| abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}"; | ||
|
|
||
| # Ports of functions for older nix versions | ||
|
|
||
| # a Nix version of mapAttrs if the built-in doesn't exist | ||
| mapAttrs = builtins.mapAttrs or ( | ||
| f: set: with builtins; | ||
| listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)) | ||
| ); | ||
|
|
||
| # fetchTarball version that is compatible between all the versions of Nix | ||
| builtins_fetchTarball = { url, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchTarball; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchTarball { inherit url; } | ||
| else | ||
| fetchTarball attrs; | ||
|
|
||
| # fetchurl version that is compatible between all the versions of Nix | ||
| builtins_fetchurl = { url, sha256 }@attrs: | ||
| let | ||
| inherit (builtins) lessThan nixVersion fetchurl; | ||
| in | ||
| if lessThan nixVersion "1.12" then | ||
| fetchurl { inherit url; } | ||
| else | ||
| fetchurl attrs; | ||
|
|
||
| in | ||
| mapAttrs ( | ||
| name: spec: | ||
| if builtins.hasAttr "outPath" spec | ||
| then abort | ||
| "The values in sources.json should not have an 'outPath' attribute" | ||
| else | ||
| spec // { outPath = fetch name spec; } | ||
| ) sources |