new Go support function 'buildGoPackage'

add a setupHook to the Go compiler that builds a GOPATH
new buildGoPackage function that overides the phases of stdenv

doc/language-support.xml

@@ -624,6 +624,85 @@ sed -i '/ = data_files/d' setup.py</programlisting>
 
 
 <section xml:id="ssec-language-go"><title>Go</title>
+
+<para>The function <varname>buildGoPackage</varname> builds
+standard Go packages.
+</para>
+
+<example xml:id='ex-buildGoPackage'><title>buildGoPackage</title>
+<programlisting>
+net = buildGoPackage rec {
+  name = "go.net-${rev}";
+  goPackagePath = "code.google.com/p/go.net"; <co xml:id='ex-buildGoPackage-1' />
+  subPackages = [ "ipv4" "ipv6" ]; <co xml:id='ex-buildGoPackage-2' />
+  rev = "28ff664507e4";
+  src = fetchhg {
+    inherit rev;
+    url = "https://${goPackagePath}";
+    sha256 = "1lkz4c9pyz3yz2yz18hiycvlfhgy3jxp68bs7mv7bcfpaj729qav";
+  };
+  propagatedBuildInputs = [ goPackages.text ]; <co xml:id='ex-buildGoPackage-3' />
+};
+</programlisting>
+</example>
+
+<para><xref linkend='ex-buildGoPackage'/> is an example expression using buildGoPackage,
+the following arguments are of special significance to the function:
+
+<calloutlist>
+
+  <callout arearefs='ex-buildGoPackage-1'>
+    <para>
+      <varname>goPackagePath</varname> specifies the package's canonical Go import path.
+    </para>
+  </callout>
+
+  <callout arearefs='ex-buildGoPackage-2'>
+    <para>
+      <varname>subPackages</varname> limits the builder from building child packages that
+      have not been listed. If <varname>subPackages</varname> is not specified, all child
+      packages will be built.
+    </para>
+    <para>
+      In this example only <literal>code.google.com/p/go.net/ipv4</literal> and
+      <literal>code.google.com/p/go.net/ipv4</literal> will be built.
+    </para>
+  </callout>
+
+  <callout arearefs='ex-buildGoPackage-3'>
+    <para>
+      <varname>propagatedBuildInputs</varname> is where the dependencies of a Go library are
+      listed. Only libraries should list <varname>propagatedBuildInputs</varname>. If a standalone
+      program is being build instead, use <varname>buildInputs</varname>. If a library's tests require
+      additional dependencies that are not propagated, they should be listed in <varname>buildInputs</varname>.
+    </para>
+  </callout>
+
+</calloutlist>
+
+</para>
+
+<para>
+Reusable Go libraries may be found in the <varname>goPackages</varname> set. You can test
+build a Go package as follows:
+
+<screen>
+$ nix-build -A goPackages.net
+</screen>
+
+</para>
+
+<para>
+You may use Go packages installed into the active Nix profiles by adding
+the following to your ~/.bashrc:
+
+<screen>
+for p in $NIX_PROFILES; do
+    GOPATH="$p/share/go:$GOPATH"
+done
+</screen>
+</para>
+
   <para>To extract dependency information from a Go package in automated way use <link xlink:href="https://github.com/cstrahan/go2nix">go2nix</link>.</para>
 </section>
 

pkgs/development/compilers/go/1.3.nix

@@ -81,6 +81,7 @@ stdenv.mkDerivation {
   installPhase = ''
     export CC=cc
     mkdir -p "$out/bin"
+    unset GOPATH
     export GOROOT="$(pwd)/"
     export GOBIN="$out/bin"
     export PATH="$GOBIN:$PATH"
@@ -99,6 +100,8 @@ stdenv.mkDerivation {
     cp ./misc/emacs/* $out/share/emacs/site-lisp/
   '';
 
+  setupHook = ./setup-hook.sh;
+
   meta = {
     homepage = http://golang.org/;
     description = "The Go Programming language";

pkgs/development/compilers/go/1.4.nix

@@ -95,6 +95,8 @@ stdenv.mkDerivation {
     go test -v    $TOOL_ROOT/cover $TOOL_ROOT/vet # $TOOL_ROOT/godoc
   '';
 
+  setupHook = ./setup-hook.sh;
+
   meta = {
     homepage = http://golang.org/;
     description = "The Go Programming language";

pkgs/development/compilers/go/setup-hook.sh

@@ -0,0 +1,5 @@
+addToGoPath() {
+    addToSearchPath GOPATH $1/share/go
+}
+
+envHooks=(${envHooks[@]} addToGoPath)

pkgs/development/go-modules/generic/default.nix

@@ -0,0 +1,84 @@
+{ go }:
+
+{ name, buildInputs ? []
+
+# Go import path of the package
+, goPackagePath
+
+, meta ? {}, ... } @ args:
+
+go.stdenv.mkDerivation ( args // {
+  name = "${go.name}-${name}";
+  buildInputs = [ go ] ++ buildInputs;
+
+  configurePhase = args.configurePhase or ''
+    runHook preConfigure
+
+    cd "$NIX_BUILD_TOP"
+    mkdir -p "go/src/$(dirname "$goPackagePath")"
+    mv "$sourceRoot" "go/src/$goPackagePath"
+
+    GOPATH=$NIX_BUILD_TOP/go:$GOPATH
+
+    runHook postConfigure
+  '';
+
+  buildPhase = args.buildPhase or ''
+    runHook preBuild
+
+    if [ -n "$subPackages" ] ; then
+	for p in $subPackages ; do
+            go install -p $NIX_BUILD_CORES -v $goPackagePath/$p
+	done
+    else
+	find . -type d | while read d; do
+            for i in $d/*.go; do
+                go install -p $NIX_BUILD_CORES -v $d
+                break
+	    done
+	done
+    fi
+
+    runHook postBuild
+  '';
+
+  checkPhase = args.checkPhase or ''
+    runHook preCheck
+
+    if [ -n "$subPackages" ] ; then
+	for p in $subPackages ; do
+            go test -p $NIX_BUILD_CORES -v $goPackagePath/$p
+	done
+    else
+	find . -type d | while read d; do
+            for i in $d/*_test.go; do
+                go test -p $NIX_BUILD_CORES -v $d
+                break
+	    done
+	done
+    fi
+
+    runHook postCheck
+  '';
+
+  installPhase = args.installPhase or ''
+    runHook preInstall
+
+    local dir
+    for d in pkg src; do
+        mkdir -p $out/share/go
+        dir="$NIX_BUILD_TOP/go/$d"
+        [ -e "$dir" ] && cp -r $dir $out/share/go
+    done
+
+    dir="$NIX_BUILD_TOP/go/bin"
+    [ -e "$dir" ] && cp -r $dir $out
+
+    runHook postInstall
+  '';
+
+  meta = meta // {
+    # add an extra maintainer to every package
+    maintainers = (meta.maintainers or []) ++ [ go.stdenv.lib.maintainers.emery ];
+  };
+})

pkgs/tools/networking/cjdns/cjdcmd-ng/default.nix

@@ -0,0 +1,42 @@
+{ stdenv, buildGoPackage, goPackages, fetchurl, cjdns }:
+
+with goPackages;
+
+let
+  go-cjdns = buildGoPackage rec {
+    version = "2.1.0";
+    name = "go-cjdns-${version}";
+
+    goPackagePath = "github.com/ehmry/go-cjdns";
+    subPackages = [ "admin" "config" "key" ];
+
+    src = fetchurl {
+      url = "https://${goPackagePath}/archive/v${version}.tar.gz";
+      name = "${name}.tar.gz";
+      sha256 = "1ys47zdz9dv45w5j31z020z72yy6yrfas9c5777mwl42925s9bnf";
+    };
+    buildInputs = [ goconvey ];
+    propagatedBuildInputs = [ crypto go-bencode ];
+  };
+in
+let version = "0.8.3"; in
+buildGoPackage rec {
+  name = "cjdcmd-ng-${version}";
+  goPackagePath = "github.com/ehmry/cjdcmd-ng";
+
+  src = fetchurl {
+    url = "https://${goPackagePath}/archive/v${version}.tar.gz";
+    name = "${name}.tar.gz";
+    sha256 = "10j2f00byz4vrcyk8mxw5f9l8ikkdmi8044mnnwndkjky3m9xj43";
+  };
+
+  buildInputs = [ go-cjdns cobra ];
+
+  meta = with stdenv.lib; {
+    description = "Utility for interacting with CJDNS";
+    homepage = https://github.com/ehmry/cjdcmd-ng;
+    mantainers = with maintainers; [ emery ];
+    license = licenses.gpl3Plus;
+    platforms = cjdns.meta.platforms;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -878,6 +878,7 @@ let
   chunksync = callPackage ../tools/backup/chunksync { };
 
   cjdns = callPackage ../tools/networking/cjdns { };
+  cjdcmd-ng = callPackage ../tools/networking/cjdns/cjdcmd-ng { };
 
   cksfv = callPackage ../tools/networking/cksfv { };
 
@@ -7589,6 +7590,26 @@ let
 
   yuicompressor = callPackage ../development/tools/yuicompressor { };
 
+  ### DEVELOPMENT / GO MODULES
+
+  go13Packages = recurseIntoAttrs (callPackage ./go-packages.nix {
+    go = go_1_3;
+    buildGoPackage = import ../development/go-modules/generic {
+      go = go_1_3;
+    };
+    overrides = (config.goPackageOverrides or (p: {})) pkgs;
+  });
+
+  go14Packages = recurseIntoAttrs (callPackage ./go-packages.nix {
+    go = go_1_4;
+    buildGoPackage = import ../development/go-modules/generic {
+      go = go_1_4;
+    };
+    overrides = (config.goPackageOverrides or (p: {})) pkgs;
+  });
+
+  goPackages = go14Packages;
+
   ### DEVELOPMENT / LISP MODULES
 
   asdf = callPackage ../development/lisp-modules/asdf {

pkgs/top-level/go-packages.nix

@@ -0,0 +1,139 @@
+/* This file defines the composition for Go packages. */
+
+{ overrides, stdenv, go, buildGoPackage
+,fetchgit, fetchhg, fetchurl, fetchFromGitHub }:
+
+let self = _self // overrides; _self = with self; {
+
+  inherit go buildGoPackage;
+
+  ## OFFICIAL GO PACKAGES
+
+  image = buildGoPackage rec {
+    rev = "490b1ad139b3";
+    name = "go.image-${rev}";
+    goPackagePath = "code.google.com/p/go.image";
+    src = fetchhg {
+      inherit rev;
+      url = "https://${goPackagePath}";
+      sha256 = "02m6ifwby2fi88njarbbb6dimwg0pd2b6llkgyadh4b9wzp2vy4r";
+    };
+  };
+
+  net = buildGoPackage rec {
+    rev = "3338d5f109e9";
+    name = "go.net-${rev}";
+    goPackagePath = "code.google.com/p/go.net";
+    src = fetchhg {
+      inherit rev;
+      url = "https://${goPackagePath}";
+      sha256 = "0yz807y3ac07x3nf0qlaw1w1i6asynrpyssjl8jyv3pplww0qj7i";
+    };
+    propagatedBuildInputs = [ text ];
+  };
+
+  text = buildGoPackage rec {
+    rev = "024681b033be";
+    name = "go.text-${rev}";
+    goPackagePath = "code.google.com/p/go.text";
+    src = fetchhg {
+      inherit rev;
+      url = "https://${goPackagePath}";
+      sha256 = "19px5pw5mvwjb7ymivfkkkr6cyl2npv834jxlr6y0x5ca1djhsci";
+    };
+    doCheck = false;
+  };
+
+  ## THIRD PARTY
+
+  cobra = buildGoPackage rec {
+    date = "20140617";
+    rev = "10a8494a87448bf5003222d9974f166437e7f042";
+    name = "cobra-${date}-${stdenv.lib.strings.substring 0 7 rev}";
+    goPackagePath = "github.com/spf13/cobra";
+    src = fetchgit {
+      inherit rev;
+      url = "https://${goPackagePath}.git";
+      sha256 = "1ydcccx0zdswca4v9hfmrn8ck42h485hy3wrd9k7y6mra3r6c08j";
+    };
+    propagatedBuildInputs = [ pflag ];
+  };
+
+  goconvey = buildGoPackage rec {
+    version = "1.5.0";
+    name = "goconvey-${version}";
+    goPackagePath = "github.com/smartystreets/goconvey";
+    src = fetchurl {
+      name = "${name}.tar.gz";
+      url = "https://github.com/smartystreets/goconvey/archive/${version}.tar.gz";
+      sha256 = "0g3965cb8kg4kf9b0klx4pj9ycd7qwbw1jqjspy6i5d4ccd6mby4";
+    };
+    buildInputs = [ oglematchers ];
+    doCheck = false; # please check again
+  };
+
+  go-bencode = buildGoPackage rec {
+    version = "1.1.1";
+    name = "go-bencode-${version}";
+    goPackagePath = "github.com/ehmry/go-bencode";
+
+    src = fetchurl {
+      url = "https://${goPackagePath}/archive/v${version}.tar.gz";
+      sha256 = "0y2kz2sg1f7mh6vn70kga5d0qhp04n01pf1w7k6s8j2nm62h24j6";
+    };
+  };
+
+  oglematchers = buildGoPackage rec {
+    rev = "4fc24f97b5b74022c2a3f4ca7eed57ca29083d3e";
+    name = "oglematchers-${stdenv.lib.strings.substring 0 7 rev}";
+    goPackagePath = "github.com/jacobsa/oglematchers";
+    src = fetchgit {
+      inherit rev;
+      url = "https://${goPackagePath}.git";
+      sha256 = "4075ede31601adf8c4e92739693aebffa3718c641dfca75b09cf6b4bd6c26cc0";
+    };
+    #goTestInputs = [ ogletest ];
+    doCheck = false; # infinite recursion
+  };
+
+  oglemock = buildGoPackage rec {
+    rev = "d054ecee522bdce4481690cdeb09d1b4c44da4e1";
+    name = "oglemock-${stdenv.lib.strings.substring 0 7 rev}";
+    goPackagePath = "github.com/jacobsa/oglemock";
+    src = fetchgit {
+      inherit rev;
+      url = "https://${goPackagePath}.git";
+      sha256 = "685e7fc4308d118ae25467ba84c64754692a7772c77c197f38d8c1b63ea81da2";
+    };
+    buildInputs = [ oglematchers ];
+    #goTestInputs = [ ogletest ];
+    doCheck = false; # infinite recursion
+  };
+
+  ogletest = buildGoPackage rec {
+    rev = "7de485607c3f215cf92c1f793b5d5a7de46ec3c7";
+    name = "ogletest-${stdenv.lib.strings.substring 0 7 rev}";
+    goPackagePath = "github.com/jacobsa/ogletest";
+    src = fetchgit {
+      inherit rev;
+      url = "https://${goPackagePath}.git";
+      sha256 = "0cfc43646d59dcea5772320f968aef2f565fb5c46068d8def412b8f635365361";
+    };
+    buildInputs = [ oglemock oglematchers ];
+    doCheck = false; # check this again
+  };
+
+  pflag = buildGoPackage rec {
+    date = "20131112";
+    rev = "94e98a55fb412fcbcfc302555cb990f5e1590627";
+    name = "pflag-${date}-${stdenv.lib.strings.substring 0 7 rev}";
+    goPackagePath = "github.com/spf13/pflag";
+    src = fetchgit {
+      inherit rev;
+      url = "https://${goPackagePath}.git";
+      sha256 = "0z8nzdhj8nrim8fz11magdl0wxnisix9p2kcvn5kkb3bg8wmxhbg";
+    };
+    doCheck = false; # bad import path in tests
+  };
+
+}; in self