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@ -12,36 +12,29 @@ let |
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else |
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pkgs.fetchurl { inherit (spec) url sha256; }; |
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fetch_tarball = pkgs: spec: |
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if spec.builtin or true then |
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builtins_fetchTarball { inherit (spec) url sha256; } |
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else |
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pkgs.fetchzip { inherit (spec) url sha256; }; |
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fetch_tarball = pkgs: name: spec: |
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let |
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ok = str: ! builtins.isNull (builtins.match "[a-zA-Z0-9+-._?=]" str); |
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# sanitize the name, though nix will still fail if name starts with period |
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name' = stringAsChars (x: if ! ok x then "-" else x) "${name}-src"; |
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in |
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if spec.builtin or true then |
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builtins_fetchTarball { name = name'; inherit (spec) url sha256; } |
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else |
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pkgs.fetchzip { name = name'; inherit (spec) url sha256; }; |
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fetch_git = spec: |
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builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; }; |
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fetch_builtin-tarball = spec: |
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builtins.trace |
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'' |
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WARNING: |
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The niv type "builtin-tarball" will soon be deprecated. You should |
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instead use `builtin = true`. |
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$ niv modify <package> -a type=tarball -a builtin=true |
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'' |
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builtins_fetchTarball { inherit (spec) url sha256; }; |
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fetch_local = spec: spec.path; |
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fetch_builtin-url = spec: |
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builtins.trace |
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'' |
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WARNING: |
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The niv type "builtin-url" will soon be deprecated. You should |
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instead use `builtin = true`. |
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fetch_builtin-tarball = name: throw |
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''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`. |
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$ niv modify ${name} -a type=tarball -a builtin=true''; |
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$ niv modify <package> -a type=file -a builtin=true |
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'' |
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(builtins_fetchurl { inherit (spec) url sha256; }); |
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fetch_builtin-url = name: throw |
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''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`. |
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$ niv modify ${name} -a type=file -a builtin=true''; |
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# |
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# Various helpers |
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@ -72,13 +65,23 @@ let |
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if ! builtins.hasAttr "type" spec then |
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abort "ERROR: niv spec ${name} does not have a 'type' attribute" |
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else if spec.type == "file" then fetch_file pkgs spec |
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else if spec.type == "tarball" then fetch_tarball pkgs spec |
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else if spec.type == "tarball" then fetch_tarball pkgs name spec |
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else if spec.type == "git" then fetch_git spec |
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else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec |
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else if spec.type == "builtin-url" then fetch_builtin-url spec |
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else if spec.type == "local" then fetch_local spec |
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else if spec.type == "builtin-tarball" then fetch_builtin-tarball name |
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else if spec.type == "builtin-url" then fetch_builtin-url name |
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else |
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abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}"; |
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# If the environment variable NIV_OVERRIDE_${name} is set, then use |
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# the path directly as opposed to the fetched source. |
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replace = name: drv: |
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let |
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saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name; |
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ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}"; |
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in |
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if ersatz == "" then drv else ersatz; |
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# Ports of functions for older nix versions |
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# a Nix version of mapAttrs if the built-in doesn't exist |
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@ -87,13 +90,23 @@ let |
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listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)) |
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); |
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295 |
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range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1); |
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257 |
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stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1)); |
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269 |
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stringAsChars = f: s: concatStrings (map f (stringToCharacters s)); |
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concatStrings = builtins.concatStringsSep ""; |
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# fetchTarball version that is compatible between all the versions of Nix |
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builtins_fetchTarball = { url, sha256 }@attrs: |
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builtins_fetchTarball = { url, name, sha256 }@attrs: |
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let |
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inherit (builtins) lessThan nixVersion fetchTarball; |
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in |
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if lessThan nixVersion "1.12" then |
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fetchTarball { inherit url; } |
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fetchTarball { inherit name url; } |
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else |
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fetchTarball attrs; |
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@ -115,13 +128,13 @@ let |
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then abort |
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"The values in sources.json should not have an 'outPath' attribute" |
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else |
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spec // { outPath = fetch config.pkgs name spec; } |
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spec // { outPath = replace name (fetch config.pkgs name spec); } |
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) config.sources; |
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# The "config" used by the fetchers |
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mkConfig = |
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{ sourcesFile ? ./sources.json |
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, sources ? builtins.fromJSON (builtins.readFile sourcesFile) |
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{ sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null |
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, sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile) |
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, pkgs ? mkPkgs sources |
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}: rec { |
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# The sources, i.e. the attribute set of spec name to spec |
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@ -130,5 +143,6 @@ let |
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# The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers |
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inherit pkgs; |
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}; |
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in |
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mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); } |