commit 98fbcf17888872f5ebdf9fb6247266929f4308db · pyrox.dev/nixpkgs

doc/doc-support/default.nix

···

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           { name = "lists"; description = "list manipulation functions"; }

     

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           { name = "debug"; description = "debugging functions"; }

     

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           { name = "options"; description = "NixOS / nixpkgs option handling"; }

     

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           { name = "path"; description = "path functions"; }

     

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           { name = "filesystem"; description = "filesystem functions"; }

     

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           { name = "sources"; description = "source filtering functions"; }

     

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           { name = "cli"; description = "command-line serialization functions"; }

+2 -1

lib/default.nix

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           maintainers = import ../maintainers/maintainer-list.nix;

     

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           teams = callLibs ../maintainers/team-list.nix;

     

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           meta = callLibs ./meta.nix;

     

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       -
           sources = callLibs ./sources.nix;

     

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           versions = callLibs ./versions.nix;

     

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           # module system

     
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           fetchers = callLibs ./fetchers.nix;

     

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           # Eval-time filesystem handling

     

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           path = callLibs ./path;

     

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           filesystem = callLibs ./filesystem.nix;

     

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           sources = callLibs ./sources.nix;

     

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           # back-compat aliases

     

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           platforms = self.systems.doubles;

+75

lib/path/default.nix

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       # Functions for working with paths, see ./path.md

     

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       { lib }:

     

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       let

     

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         inherit (builtins)

     

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           isString

     

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           match

     

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           ;

     

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         inherit (lib.strings)

     

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           substring

     

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           ;

     

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       +
       

     

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         inherit (lib.asserts)

     

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           assertMsg

     

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           ;

     

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         # Return the reason why a subpath is invalid, or `null` if it's valid

     

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         subpathInvalidReason = value:

     

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           if ! isString value then

     

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             "The given value is of type ${builtins.typeOf value}, but a string was expected"

     

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           else if value == "" then

     

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             "The given string is empty"

     

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           else if substring 0 1 value == "/" then

     

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             "The given string \"${value}\" starts with a `/`, representing an absolute path"

     

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           # We don't support ".." components, see ./path.md#parent-directory

     

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           else if match "(.*/)?\\.\\.(/.*)?" value != null then

     

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             "The given string \"${value}\" contains a `..` component, which is not allowed in subpaths"

     

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           else null;

     

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       in /* No rec! Add dependencies on this file at the top. */ {

     

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         /* Whether a value is a valid subpath string.

     

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         - The value is a string

     

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         - The string is not empty

     

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         - The string doesn't start with a `/`

     

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         - The string doesn't contain any `..` path components

     

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         Type:

     

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           subpath.isValid :: String -> Bool

     

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         Example:

     

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           # Not a string

     

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           subpath.isValid null

     

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           => false

     

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           # Empty string

     

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           subpath.isValid ""

     

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           => false

     

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           # Absolute path

     

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           subpath.isValid "/foo"

     

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           => false

     

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           # Contains a `..` path component

     

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           subpath.isValid "../foo"

     

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           => false

     

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           # Valid subpath

     

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           subpath.isValid "foo/bar"

     

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           => true

     

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           # Doesn't need to be normalised

     

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           subpath.isValid "./foo//bar/"

     

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           => true

     

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         */

     

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         subpath.isValid = value:

     

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           subpathInvalidReason value == null;

     

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       }

+27

lib/path/tests/default.nix

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       {

     

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         nixpkgs ? ../../..,

     

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         system ? builtins.currentSystem,

     

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         pkgs ? import nixpkgs {

     

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           config = {};

     

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           overlays = [];

     

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           inherit system;

     

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         },

     

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         libpath ? ../..,

     

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       }:

     

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       pkgs.runCommand "lib-path-tests" {

     

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         nativeBuildInputs = with pkgs; [

     

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           nix

     

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         ];

     

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       } ''

     

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         # Needed to make Nix evaluation work

     

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         export NIX_STATE_DIR=$(mktemp -d)

     

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         cp -r ${libpath} lib

     

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         export TEST_LIB=$PWD/lib

     

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         echo "Running unit tests lib/path/tests/unit.nix"

     

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         nix-instantiate --eval lib/path/tests/unit.nix \

     

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           --argstr libpath "$TEST_LIB"

     

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         touch $out

     

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       ''

+76

lib/path/tests/unit.nix

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       # Unit tests for lib.path functions. Use `nix-build` in this directory to

     

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       # run these

     

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       { libpath }:

     

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       let

     

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         lib = import libpath;

     

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         inherit (lib.path) subpath;

     

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         cases = lib.runTests {

     

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           testSubpathIsValidExample1 = {

     

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             expr = subpath.isValid null;

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidExample2 = {

     

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             expr = subpath.isValid "";

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidExample3 = {

     

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             expr = subpath.isValid "/foo";

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidExample4 = {

     

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             expr = subpath.isValid "../foo";

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidExample5 = {

     

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             expr = subpath.isValid "foo/bar";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidExample6 = {

     

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             expr = subpath.isValid "./foo//bar/";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidTwoDotsEnd = {

     

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             expr = subpath.isValid "foo/..";

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidTwoDotsMiddle = {

     

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             expr = subpath.isValid "foo/../bar";

     

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             expected = false;

     

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           };

     

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           testSubpathIsValidTwoDotsPrefix = {

     

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             expr = subpath.isValid "..foo";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidTwoDotsSuffix = {

     

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             expr = subpath.isValid "foo..";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidTwoDotsPrefixComponent = {

     

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             expr = subpath.isValid "foo/..bar/baz";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidTwoDotsSuffixComponent = {

     

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             expr = subpath.isValid "foo/bar../baz";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidThreeDots = {

     

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             expr = subpath.isValid "...";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidFourDots = {

     

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             expr = subpath.isValid "....";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidThreeDotsComponent = {

     

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             expr = subpath.isValid "foo/.../bar";

     

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             expected = true;

     

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           };

     

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           testSubpathIsValidFourDotsComponent = {

     

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             expr = subpath.isValid "foo/..../bar";

     

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             expected = true;

     

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           };

     

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         };

     

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       in

     

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         if cases == [] then "Unit tests successful"

     

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         else throw "Path unit tests failed: ${lib.generators.toPretty {} cases}"

lib/tests/release.nix

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             inherit pkgs;

     

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             lib = import ../.;

     

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           })

     

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           (import ../path/tests {

     

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             inherit pkgs;

     

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           })

     

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         ];

     

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       } ''

     

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           datadir="${pkgs.nix}/share"