|
|
@@ -0,0 +1,174 @@
|
|
|
+# This file has been generated by Niv.
|
|
|
+
|
|
|
+let
|
|
|
+
|
|
|
+ #
|
|
|
+ # The fetchers. fetch_<type> fetches specs of type <type>.
|
|
|
+ #
|
|
|
+
|
|
|
+ fetch_file = pkgs: name: spec:
|
|
|
+ let
|
|
|
+ name' = sanitizeName name + "-src";
|
|
|
+ in
|
|
|
+ if spec.builtin or true then
|
|
|
+ builtins_fetchurl { inherit (spec) url sha256; name = name'; }
|
|
|
+ else
|
|
|
+ pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
|
|
|
+
|
|
|
+ fetch_tarball = pkgs: name: spec:
|
|
|
+ let
|
|
|
+ name' = sanitizeName name + "-src";
|
|
|
+ in
|
|
|
+ if spec.builtin or true then
|
|
|
+ builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
|
|
|
+ else
|
|
|
+ pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
|
|
|
+
|
|
|
+ fetch_git = name: spec:
|
|
|
+ let
|
|
|
+ ref =
|
|
|
+ if spec ? ref then spec.ref else
|
|
|
+ if spec ? branch then "refs/heads/${spec.branch}" else
|
|
|
+ if spec ? tag then "refs/tags/${spec.tag}" else
|
|
|
+ abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
|
|
|
+ in
|
|
|
+ builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
|
|
|
+
|
|
|
+ fetch_local = spec: spec.path;
|
|
|
+
|
|
|
+ fetch_builtin-tarball = name: throw
|
|
|
+ ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
|
|
|
+ $ niv modify ${name} -a type=tarball -a builtin=true'';
|
|
|
+
|
|
|
+ fetch_builtin-url = name: throw
|
|
|
+ ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
|
|
|
+ $ niv modify ${name} -a type=file -a builtin=true'';
|
|
|
+
|
|
|
+ #
|
|
|
+ # Various helpers
|
|
|
+ #
|
|
|
+
|
|
|
+ # https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
|
|
|
+ sanitizeName = name:
|
|
|
+ (
|
|
|
+ concatMapStrings (s: if builtins.isList s then "-" else s)
|
|
|
+ (
|
|
|
+ builtins.split "[^[:alnum:]+._?=-]+"
|
|
|
+ ((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
|
|
|
+ )
|
|
|
+ );
|
|
|
+
|
|
|
+ # The set of packages used when specs are fetched using non-builtins.
|
|
|
+ mkPkgs = sources: system:
|
|
|
+ let
|
|
|
+ sourcesNixpkgs =
|
|
|
+ import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
|
|
|
+ hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
|
|
|
+ hasThisAsNixpkgsPath = <nixpkgs> == ./.;
|
|
|
+ in
|
|
|
+ if builtins.hasAttr "nixpkgs" sources
|
|
|
+ then sourcesNixpkgs
|
|
|
+ else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
|
|
|
+ import <nixpkgs> {}
|
|
|
+ else
|
|
|
+ abort
|
|
|
+ ''
|
|
|
+ Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
|
|
|
+ add a package called "nixpkgs" to your sources.json.
|
|
|
+ '';
|
|
|
+
|
|
|
+ # The actual fetching function.
|
|
|
+ fetch = pkgs: name: spec:
|
|
|
+
|
|
|
+ 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 pkgs name spec
|
|
|
+ else if spec.type == "tarball" then fetch_tarball pkgs name spec
|
|
|
+ else if spec.type == "git" then fetch_git name spec
|
|
|
+ else if spec.type == "local" then fetch_local spec
|
|
|
+ else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
|
|
|
+ else if spec.type == "builtin-url" then fetch_builtin-url name
|
|
|
+ else
|
|
|
+ abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
|
|
|
+
|
|
|
+ # If the environment variable NIV_OVERRIDE_${name} is set, then use
|
|
|
+ # the path directly as opposed to the fetched source.
|
|
|
+ replace = name: drv:
|
|
|
+ let
|
|
|
+ saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
|
|
|
+ ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
|
|
|
+ in
|
|
|
+ if ersatz == "" then drv else
|
|
|
+ # this turns the string into an actual Nix path (for both absolute and
|
|
|
+ # relative paths)
|
|
|
+ if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
|
|
|
+
|
|
|
+ # 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))
|
|
|
+ );
|
|
|
+
|
|
|
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
|
|
|
+ range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
|
|
|
+
|
|
|
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
|
|
|
+ stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
|
|
|
+
|
|
|
+ # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
|
|
|
+ stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
|
|
|
+ concatMapStrings = f: list: concatStrings (map f list);
|
|
|
+ concatStrings = builtins.concatStringsSep "";
|
|
|
+
|
|
|
+ # https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
|
|
|
+ optionalAttrs = cond: as: if cond then as else {};
|
|
|
+
|
|
|
+ # fetchTarball version that is compatible between all the versions of Nix
|
|
|
+ builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
|
|
|
+ let
|
|
|
+ inherit (builtins) lessThan nixVersion fetchTarball;
|
|
|
+ in
|
|
|
+ if lessThan nixVersion "1.12" then
|
|
|
+ fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
|
|
|
+ else
|
|
|
+ fetchTarball attrs;
|
|
|
+
|
|
|
+ # fetchurl version that is compatible between all the versions of Nix
|
|
|
+ builtins_fetchurl = { url, name ? null, sha256 }@attrs:
|
|
|
+ let
|
|
|
+ inherit (builtins) lessThan nixVersion fetchurl;
|
|
|
+ in
|
|
|
+ if lessThan nixVersion "1.12" then
|
|
|
+ fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
|
|
|
+ else
|
|
|
+ fetchurl attrs;
|
|
|
+
|
|
|
+ # Create the final "sources" from the config
|
|
|
+ mkSources = config:
|
|
|
+ mapAttrs (
|
|
|
+ name: spec:
|
|
|
+ if builtins.hasAttr "outPath" spec
|
|
|
+ then abort
|
|
|
+ "The values in sources.json should not have an 'outPath' attribute"
|
|
|
+ else
|
|
|
+ spec // { outPath = replace name (fetch config.pkgs name spec); }
|
|
|
+ ) config.sources;
|
|
|
+
|
|
|
+ # The "config" used by the fetchers
|
|
|
+ mkConfig =
|
|
|
+ { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
|
|
|
+ , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
|
|
|
+ , system ? builtins.currentSystem
|
|
|
+ , pkgs ? mkPkgs sources system
|
|
|
+ }: rec {
|
|
|
+ # The sources, i.e. the attribute set of spec name to spec
|
|
|
+ inherit sources;
|
|
|
+
|
|
|
+ # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
|
|
|
+ inherit pkgs;
|
|
|
+ };
|
|
|
+
|
|
|
+in
|
|
|
+mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }
|
Stan Drozd