Add 'nixpkgs/' from commit '2436c27541b2f52deea3a4c1691216a02152e729'

git-subtree-dir: nixpkgs
git-subtree-mainline: 1148b1d122bc03e9a3665856c9b7bb96bd4e3994
git-subtree-split: 2436c27541b2f52deea3a4c1691216a02152e729

1 files changed, 138 insertions, 0 deletions

diff --git a/nixpkgs/lib/default.nix b/nixpkgs/lib/default.nix
new file mode 100644
index 00000000000..18d2dfae1e1
--- /dev/null
+++ b/nixpkgs/lib/default.nix
@@ -0,0 +1,138 @@
+/* Library of low-level helper functions for nix expressions.
+ *
+ * Please implement (mostly) exhaustive unit tests
+ * for new functions in `./tests.nix'.
+ */
+let
+
+  inherit (import ./fixed-points.nix {}) makeExtensible;
+
+  lib = makeExtensible (self: let
+    callLibs = file: import file { lib = self; };
+  in with self; {
+
+    # often used, or depending on very little
+    trivial = callLibs ./trivial.nix;
+    fixedPoints = callLibs ./fixed-points.nix;
+
+    # datatypes
+    attrsets = callLibs ./attrsets.nix;
+    lists = callLibs ./lists.nix;
+    strings = callLibs ./strings.nix;
+    stringsWithDeps = callLibs ./strings-with-deps.nix;
+
+    # packaging
+    customisation = callLibs ./customisation.nix;
+    maintainers = import ../maintainers/maintainer-list.nix;
+    meta = callLibs ./meta.nix;
+    sources = callLibs ./sources.nix;
+    versions = callLibs ./versions.nix;
+
+    # module system
+    modules = callLibs ./modules.nix;
+    options = callLibs ./options.nix;
+    types = callLibs ./types.nix;
+
+    # constants
+    licenses = callLibs ./licenses.nix;
+    systems = callLibs ./systems;
+
+    # misc
+    asserts = callLibs ./asserts.nix;
+    debug = callLibs ./debug.nix;
+    generators = callLibs ./generators.nix;
+    misc = callLibs ./deprecated.nix;
+
+    # domain-specific
+    fetchers = callLibs ./fetchers.nix;
+
+    # Eval-time filesystem handling
+    filesystem = callLibs ./filesystem.nix;
+
+    # back-compat aliases
+    platforms = systems.doubles;
+
+    inherit (builtins) add addErrorContext attrNames concatLists
+      deepSeq elem elemAt filter genericClosure genList getAttr
+      hasAttr head isAttrs isBool isInt isList isString length
+      lessThan listToAttrs pathExists readFile replaceStrings seq
+      stringLength sub substring tail;
+    inherit (trivial) id const concat or and bitAnd bitOr bitXor bitNot
+      boolToString mergeAttrs flip mapNullable inNixShell min max
+      importJSON warn info showWarnings nixpkgsVersion version mod compare
+      splitByAndCompare functionArgs setFunctionArgs isFunction;
+    inherit (fixedPoints) fix fix' converge extends composeExtensions
+      makeExtensible makeExtensibleWithCustomName;
+    inherit (attrsets) attrByPath hasAttrByPath setAttrByPath
+      getAttrFromPath attrVals attrValues getAttrs catAttrs filterAttrs
+      filterAttrsRecursive foldAttrs collect nameValuePair mapAttrs
+      mapAttrs' mapAttrsToList mapAttrsRecursive mapAttrsRecursiveCond
+      genAttrs isDerivation toDerivation optionalAttrs
+      zipAttrsWithNames zipAttrsWith zipAttrs recursiveUpdateUntil
+      recursiveUpdate matchAttrs overrideExisting getOutput getBin
+      getLib getDev chooseDevOutputs zipWithNames zip;
+    inherit (lists) singleton forEach foldr fold foldl foldl' imap0 imap1
+      concatMap flatten remove findSingle findFirst any all count
+      optional optionals toList range partition zipListsWith zipLists
+      reverseList listDfs toposort sort naturalSort compareLists take
+      drop sublist last init crossLists unique intersectLists
+      subtractLists mutuallyExclusive groupBy groupBy';
+    inherit (strings) concatStrings concatMapStrings concatImapStrings
+      intersperse concatStringsSep concatMapStringsSep
+      concatImapStringsSep makeSearchPath makeSearchPathOutput
+      makeLibraryPath makeBinPath optionalString
+      hasInfix hasPrefix hasSuffix stringToCharacters stringAsChars escape
+      escapeShellArg escapeShellArgs replaceChars lowerChars
+      upperChars toLower toUpper addContextFrom splitString
+      removePrefix removeSuffix versionOlder versionAtLeast getVersion
+      nameFromURL enableFeature enableFeatureAs withFeature
+      withFeatureAs fixedWidthString fixedWidthNumber isStorePath
+      toInt readPathsFromFile fileContents;
+    inherit (stringsWithDeps) textClosureList textClosureMap
+      noDepEntry fullDepEntry packEntry stringAfter;
+    inherit (customisation) overrideDerivation makeOverridable
+      callPackageWith callPackagesWith extendDerivation hydraJob
+      makeScope;
+    inherit (meta) addMetaAttrs dontDistribute setName updateName
+      appendToName mapDerivationAttrset setPrio lowPrio lowPrioSet hiPrio
+      hiPrioSet;
+    inherit (sources) pathType pathIsDirectory cleanSourceFilter
+      cleanSource sourceByRegex sourceFilesBySuffices
+      commitIdFromGitRepo cleanSourceWith pathHasContext
+      canCleanSource;
+    inherit (modules) evalModules closeModules unifyModuleSyntax
+      applyIfFunction unpackSubmodule packSubmodule mergeModules
+      mergeModules' mergeOptionDecls evalOptionValue mergeDefinitions
+      pushDownProperties dischargeProperties filterOverrides
+      sortProperties fixupOptionType mkIf mkAssert mkMerge mkOverride
+      mkOptionDefault mkDefault mkForce mkVMOverride mkStrict
+      mkFixStrictness mkOrder mkBefore mkAfter mkAliasDefinitions
+      mkAliasAndWrapDefinitions fixMergeModules mkRemovedOptionModule
+      mkRenamedOptionModule mkMergedOptionModule mkChangedOptionModule
+      mkAliasOptionModule doRename filterModules;
+    inherit (options) isOption mkEnableOption mkSinkUndeclaredOptions
+      mergeDefaultOption mergeOneOption mergeEqualOption getValues
+      getFiles optionAttrSetToDocList optionAttrSetToDocList'
+      scrubOptionValue literalExample showOption showFiles
+      unknownModule mkOption;
+    inherit (types) isType setType defaultTypeMerge defaultFunctor
+      isOptionType mkOptionType;
+    inherit (asserts)
+      assertMsg assertOneOf;
+    inherit (debug) addErrorContextToAttrs traceIf traceVal traceValFn
+      traceXMLVal traceXMLValMarked traceSeq traceSeqN traceValSeq
+      traceValSeqFn traceValSeqN traceValSeqNFn traceShowVal
+      traceShowValMarked showVal traceCall traceCall2 traceCall3
+      traceValIfNot runTests testAllTrue traceCallXml attrNamesToStr;
+    inherit (misc) maybeEnv defaultMergeArg defaultMerge foldArgs
+      maybeAttrNullable maybeAttr ifEnable checkFlag getValue
+      checkReqs uniqList uniqListExt condConcat lazyGenericClosure
+      innerModifySumArgs modifySumArgs innerClosePropagation
+      closePropagation mapAttrsFlatten nvs setAttr setAttrMerge
+      mergeAttrsWithFunc mergeAttrsConcatenateValues
+      mergeAttrsNoOverride mergeAttrByFunc mergeAttrsByFuncDefaults
+      mergeAttrsByFuncDefaultsClean mergeAttrBy
+      fakeSha256 fakeSha512
+      nixType imap;
+  });
+in lib