Merge remote-tracking branch 'origin/master' into gcc-7

NixOS · Feb 5, 2018 · c135ecd · c135ecd
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diff --git a/doc/languages-frameworks/rust.md b/doc/languages-frameworks/rust.md
@@ -79,19 +79,24 @@ an example for a minimal `hello` crate:
 Now, the file produced by the call to `carnix`, called `hello.nix`, looks like:
 
 ```
-with import <nixpkgs> {};
+# Generated by carnix 0.6.5: carnix -o hello.nix --src ./. Cargo.lock --standalone
+{ lib, buildPlatform, buildRustCrate, fetchgit }:
 let kernel = buildPlatform.parsed.kernel.name;
     # ... (content skipped)
-    hello_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-      crateName = "hello";
-      version = "0.1.0";
-      authors = [ "Authorname <user@example.com>" ];
-      src = ./.;
-      inherit dependencies buildDependencies features;
-    };
 in
 rec {
-  hello_0_1_0 = hello_0_1_0_ rec {};
+  hello = f: hello_0_1_0 { features = hello_0_1_0_features { hello_0_1_0 = f; }; };
+  hello_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
+    crateName = "hello";
+    version = "0.1.0";
+    authors = [ "pe@pijul.org <pe@pijul.org>" ];
+    src = ./.;
+    inherit dependencies buildDependencies features;
+  };
+  hello_0_1_0 = { features?(hello_0_1_0_features {}) }: hello_0_1_0_ {};
+  hello_0_1_0_features = f: updateFeatures f (rec {
+        hello_0_1_0.default = (f.hello_0_1_0.default or true);
+    }) [ ];
 }
 ```
 
@@ -103,33 +108,44 @@ dependencies, for instance by adding a single line `libc="*"` to our
 following nix file:
 
 ```
-with import <nixpkgs> {};
+# Generated by carnix 0.6.5: carnix -o hello.nix --src ./. Cargo.lock --standalone
+{ lib, buildPlatform, buildRustCrate, fetchgit }:
 let kernel = buildPlatform.parsed.kernel.name;
     # ... (content skipped)
-    hello_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-      crateName = "hello";
-      version = "0.1.0";
-      authors = [ "Jörg Thalheim <joerg@thalheim.io>" ];
-      src = ./.;
-      inherit dependencies buildDependencies features;
-    };
-    libc_0_2_34_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
-      crateName = "libc";
-      version = "0.2.34";
-      authors = [ "The Rust Project Developers" ];
-      sha256 = "11jmqdxmv0ka10ay0l8nzx0nl7s2lc3dbrnh1mgbr2grzwdyxi2s";
-      inherit dependencies buildDependencies features;
-    };
 in
 rec {
-  hello_0_1_0 = hello_0_1_0_ rec {
-    dependencies = [ libc_0_2_34 ];
+  hello = f: hello_0_1_0 { features = hello_0_1_0_features { hello_0_1_0 = f; }; };
+  hello_0_1_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
+    crateName = "hello";
+    version = "0.1.0";
+    authors = [ "pe@pijul.org <pe@pijul.org>" ];
+    src = ./.;
+    inherit dependencies buildDependencies features;
+  };
+  libc_0_2_36_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
+    crateName = "libc";
+    version = "0.2.36";
+    authors = [ "The Rust Project Developers" ];
+    sha256 = "01633h4yfqm0s302fm0dlba469bx8y6cs4nqc8bqrmjqxfxn515l";
+    inherit dependencies buildDependencies features;
   };
-  libc_0_2_34_features."default".from_hello_0_1_0__default = true;
-  libc_0_2_34 = libc_0_2_34_ rec {
-    features = mkFeatures libc_0_2_34_features;
+  hello_0_1_0 = { features?(hello_0_1_0_features {}) }: hello_0_1_0_ {
+    dependencies = mapFeatures features ([ libc_0_2_36 ]);
   };
-  libc_0_2_34_features."use_std".self_default = hasDefault libc_0_2_34_features;
+  hello_0_1_0_features = f: updateFeatures f (rec {
+    hello_0_1_0.default = (f.hello_0_1_0.default or true);
+    libc_0_2_36.default = true;
+  }) [ libc_0_2_36_features ];
+  libc_0_2_36 = { features?(libc_0_2_36_features {}) }: libc_0_2_36_ {
+    features = mkFeatures (features.libc_0_2_36 or {});
+  };
+  libc_0_2_36_features = f: updateFeatures f (rec {
+    libc_0_2_36.default = (f.libc_0_2_36.default or true);
+    libc_0_2_36.use_std =
+      (f.libc_0_2_36.use_std or false) ||
+      (f.libc_0_2_36.default or false) ||
+      (libc_0_2_36.default or false);
+  }) [];
 }
 ```
 
@@ -146,7 +162,7 @@ or build inputs by overriding the hello crate in a seperate file.
 
 ```
 with import <nixpkgs> {};
-(import ./hello.nix).hello_0_1_0.override {
+((import ./hello.nix).hello {}).override {
   crateOverrides = defaultCrateOverrides // {
     hello = attrs: { buildInputs = [ openssl ]; };
   };
@@ -166,7 +182,7 @@ patches the derivation:
 
 ```
 with import <nixpkgs> {};
-(import ./hello.nix).hello_0_1_0.override {
+((import ./hello.nix).hello {}).override {
   crateOverrides = defaultCrateOverrides // {
     hello = attrs: lib.optionalAttrs (lib.versionAtLeast attrs.version "1.0")  {
       postPatch = ''
@@ -187,7 +203,7 @@ crate, we could do:
 
 ```
 with import <nixpkgs> {};
-(import hello.nix).hello_0_1_0.override {
+((import hello.nix).hello {}).override {
   crateOverrides = defaultCrateOverrides // {
     libc = attrs: { buildInputs = []; };
   };
@@ -199,23 +215,35 @@ Three more parameters can be overridden:
 - The version of rustc used to compile the crate:
 
   ```
-  hello_0_1_0.override { rust = pkgs.rust; };
+  (hello {}).override { rust = pkgs.rust; };
   ```
 
 - Whether to build in release mode or debug mode (release mode by
   default):
 
   ```
-  hello_0_1_0.override { release = false; };
+  (hello {}).override { release = false; };
   ```
 
 - Whether to print the commands sent to rustc when building
   (equivalent to `--verbose` in cargo:
 
   ```
-  hello_0_1_0.override { verbose = false; };
+  (hello {}).override { verbose = false; };
   ```
 
+One can also supply features switches. For example, if we want to
+compile `diesel_cli` only with the `postgres` feature, and no default
+features, we would write:
+
+```
+(callPackage ./diesel.nix {}).diesel {
+  default = false;
+  postgres = true;
+}
+```
+
+
 
 ## Using the Rust nightlies overlay
 

diff --git a/lib/customisation.nix b/lib/customisation.nix
@@ -1,7 +1,7 @@
 { lib }:
 let
 
-  inherit (builtins) attrNames isFunction;
+  inherit (builtins) attrNames;
 
 in
 
@@ -72,7 +72,7 @@ rec {
   makeOverridable = f: origArgs:
     let
       ff = f origArgs;
-      overrideWith = newArgs: origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs);
+      overrideWith = newArgs: origArgs // (if lib.isFunction newArgs then newArgs origArgs else newArgs);
     in
       if builtins.isAttrs ff then (ff // {
         override = newArgs: makeOverridable f (overrideWith newArgs);
@@ -81,7 +81,7 @@ rec {
         ${if ff ? overrideAttrs then "overrideAttrs" else null} = fdrv:
           makeOverridable (args: (f args).overrideAttrs fdrv) origArgs;
       })
-      else if builtins.isFunction ff then {
+      else if lib.isFunction ff then {
         override = newArgs: makeOverridable f (overrideWith newArgs);
         __functor = self: ff;
         overrideDerivation = throw "overrideDerivation not yet supported for functors";
@@ -112,8 +112,8 @@ rec {
   */
   callPackageWith = autoArgs: fn: args:
     let
-      f = if builtins.isFunction fn then fn else import fn;
-      auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
+      f = if lib.isFunction fn then fn else import fn;
+      auto = builtins.intersectAttrs (lib.functionArgs f) autoArgs;
     in makeOverridable f (auto // args);
 
 
@@ -122,8 +122,8 @@ rec {
      individual attributes. */
   callPackagesWith = autoArgs: fn: args:
     let
-      f = if builtins.isFunction fn then fn else import fn;
-      auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
+      f = if lib.isFunction fn then fn else import fn;
+      auto = builtins.intersectAttrs (lib.functionArgs f) autoArgs;
       origArgs = auto // args;
       pkgs = f origArgs;
       mkAttrOverridable = name: pkg: makeOverridable (newArgs: (f newArgs).${name}) origArgs;

diff --git a/lib/debug.nix b/lib/debug.nix
@@ -2,10 +2,10 @@
 
 let
 
-inherit (builtins) trace attrNamesToStr isAttrs isFunction isList isInt
+inherit (builtins) trace attrNamesToStr isAttrs isList isInt
         isString isBool head substring attrNames;
 
-inherit (lib) all id mapAttrsFlatten elem;
+inherit (lib) all id mapAttrsFlatten elem isFunction;
 
 in
 

diff --git a/lib/default.nix b/lib/default.nix
@@ -51,12 +51,12 @@ let
 
     inherit (builtins) add addErrorContext attrNames
       concatLists deepSeq elem elemAt filter genericClosure genList
-      getAttr hasAttr head isAttrs isBool isFunction isInt isList
+      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 boolToString mergeAttrs
       flip mapNullable inNixShell min max importJSON warn info
-      nixpkgsVersion mod;
+      nixpkgsVersion mod functionArgs setFunctionArgs isFunction;
 
     inherit (fixedPoints) fix fix' extends composeExtensions
       makeExtensible makeExtensibleWithCustomName;

diff --git a/lib/deprecated.nix b/lib/deprecated.nix
@@ -1,6 +1,6 @@
 { lib }:
 let
-    inherit (builtins) isFunction head tail isList isAttrs isInt attrNames;
+    inherit (builtins) head tail isList isAttrs isInt attrNames;
 
 in
 
@@ -53,7 +53,7 @@ rec {
           f:        # the function applied to the arguments
           initial:  # you pass attrs, the functions below are passing a function taking the fix argument
     let
-        takeFixed = if isFunction initial then initial else (fixed : initial); # transform initial to an expression always taking the fixed argument
+        takeFixed = if lib.isFunction initial then initial else (fixed : initial); # transform initial to an expression always taking the fixed argument
         tidy = args:
             let # apply all functions given in "applyPreTidy" in sequence
                 applyPreTidyFun = fold ( n: a: x: n ( a x ) ) lib.id (maybeAttr "applyPreTidy" [] args);
@@ -63,7 +63,7 @@ rec {
                     let args = takeFixed fixed;
                         mergeFun = args.${n};
                     in if isAttrs x then (mergeFun args x)
-                       else assert isFunction x;
+                       else assert lib.isFunction x;
                             mergeFun args (x ( args // { inherit fixed; }));
             in overridableDelayableArgs f newArgs;
     in
@@ -374,7 +374,7 @@ rec {
       if isAttrs x then
           if x ? outPath then "derivation"
           else "attrs"
-      else if isFunction x then "function"
+      else if lib.isFunction x then "function"
       else if isList x then "list"
       else if x == true then "bool"
       else if x == false then "bool"

diff --git a/lib/generators.nix b/lib/generators.nix
@@ -14,6 +14,8 @@ let
   libAttr = lib.attrsets;
 
   flipMapAttrs = flip libAttr.mapAttrs;
+
+  inherit (lib) isFunction;
 in
 
 rec {
@@ -110,7 +112,7 @@ rec {
     else if isString   v then "\"" + v + "\""
     else if null ==    v then "null"
     else if isFunction v then
-      let fna = functionArgs v;
+      let fna = lib.functionArgs v;
           showFnas = concatStringsSep "," (libAttr.mapAttrsToList
                        (name: hasDefVal: if hasDefVal then "(${name})" else name)
                        fna);

diff --git a/lib/licenses.nix b/lib/licenses.nix
@@ -200,6 +200,11 @@ lib.mapAttrs (n: v: v // { shortName = n; }) rec {
     fullName = "Eclipse Public License 1.0";
   };
 
+  epl20 = spdx {
+    spdxId = "EPL-2.0";
+    fullName = "Eclipse Public License 2.0";
+  };
+
   epson = {
     fullName = "Seiko Epson Corporation Software License Agreement for Linux";
     url = https://download.ebz.epson.net/dsc/du/02/eula/global/LINUX_EN.html;

diff --git a/lib/maintainers.nix b/lib/maintainers.nix
@@ -231,6 +231,7 @@
   fadenb = "Tristan Helmich <tristan.helmich+nixos@gmail.com>";
   falsifian = "James Cook <james.cook@utoronto.ca>";
   fare = "Francois-Rene Rideau <fahree@gmail.com>";
+  f-breidenstein = "Felix Breidenstein <mail@felixbreidenstein.de>";
   fgaz = "Francesco Gazzetta <francygazz@gmail.com>";
   FireyFly = "Jonas Höglund <nix@firefly.nu>";
   flokli = "Florian Klink <flokli@flokli.de>";
@@ -328,6 +329,7 @@
   joelmo = "Joel Moberg <joel.moberg@gmail.com>";
   joelteon = "Joel Taylor <me@joelt.io>";
   johbo = "Johannes Bornhold <johannes@bornhold.name>";
+  johnazoidberg = "Daniel Schäfer <git@danielschaefer.me>";
   johnmh = "John M. Harris, Jr. <johnmh@openblox.org>";
   johnramsden = "John Ramsden <johnramsden@riseup.net>";
   joko = "Ioannis Koutras <ioannis.koutras@gmail.com>";
@@ -459,6 +461,7 @@
   mounium = "Katona László <muoniurn@gmail.com>";
   MP2E = "Cray Elliott <MP2E@archlinux.us>";
   mpcsh = "Mark Cohen <m@mpc.sh>";
+  mpickering = "Matthew Pickering <matthewtpickering@gmail.com>";
   mpscholten = "Marc Scholten <marc@mpscholten.de>";
   mpsyco = "Francis St-Amour <fr.st-amour@gmail.com>";
   mrVanDalo = "Ingolf Wanger <contact@ingolf-wagner.de>";
@@ -541,6 +544,7 @@
   pmahoney = "Patrick Mahoney <pat@polycrystal.org>";
   pmeunier = "Pierre-Étienne Meunier <pierre-etienne.meunier@inria.fr>";
   pmiddend = "Philipp Middendorf <pmidden@secure.mailbox.org>";
+  pneumaticat = "Kevin Liu <kevin@potatofrom.space>";
   polyrod = "Maurizio Di Pietro <dc1mdp@gmail.com>";
   pradeepchhetri = "Pradeep Chhetri <pradeep.chhetri89@gmail.com>";
   prikhi = "Pavan Rikhi <pavan.rikhi@gmail.com>";
@@ -561,6 +565,7 @@
   rasendubi = "Alexey Shmalko <rasen.dubi@gmail.com>";
   raskin = "Michael Raskin <7c6f434c@mail.ru>";
   ravloony = "Tom Macdonald <ravloony@gmail.com>";
+  razvan = "Răzvan Flavius Panda <razvan.panda@gmail.com>";
   rbasso = "Rafael Basso <rbasso@sharpgeeks.net>";
   redbaron = "Maxim Ivanov <ivanov.maxim@gmail.com>";
   redvers = "Redvers Davies <red@infect.me>";
@@ -617,6 +622,7 @@
   sellout = "Greg Pfeil <greg@technomadic.org>";
   sepi = "Raffael Mancini <raffael@mancini.lu>";
   seppeljordan = "Sebastian Jordan <sebastian.jordan.mail@googlemail.com>";
+  sfrijters = "Stefan Frijters <sfrijters@gmail.com>";
   shanemikel = "Shane Pearlman <shanemikel1@gmail.com>";
   shawndellysse = "Shawn Dellysse <sdellysse@gmail.com>";
   sheenobu = "Sheena Artrip <sheena.artrip@gmail.com>";

diff --git a/lib/modules.nix b/lib/modules.nix
@@ -155,7 +155,7 @@ rec {
       # a module will resolve strictly the attributes used as argument but
       # not their values.  The values are forwarding the result of the
       # evaluation of the option.
-      requiredArgs = builtins.attrNames (builtins.functionArgs f);
+      requiredArgs = builtins.attrNames (lib.functionArgs f);
       context = name: ''while evaluating the module argument `${name}' in "${key}":'';
       extraArgs = builtins.listToAttrs (map (name: {
         inherit name;

diff --git a/lib/systems/doubles.nix b/lib/systems/doubles.nix
@@ -1,8 +1,8 @@
 { lib }:
 let
   inherit (lib) lists;
-  parse = import ./parse.nix { inherit lib; };
-  inherit (import ./inspect.nix { inherit lib; }) predicates;
+  inherit (lib.systems) parse;
+  inherit (lib.systems.inspect) predicates;
   inherit (lib.attrsets) matchAttrs;
 
   all = [