From d4ac42ae114e6a47e1d7474c6aa886d891ac64cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Tue, 30 Apr 2013 11:58:07 +0400
Subject: [PATCH] Adding go 1.1 beta

---
 pkgs/development/compilers/go/1.1.nix | 94 +++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix       |  2 +
 2 files changed, 96 insertions(+)
 create mode 100644 pkgs/development/compilers/go/1.1.nix

diff --git a/pkgs/development/compilers/go/1.1.nix b/pkgs/development/compilers/go/1.1.nix
new file mode 100644
index 000000000000..f0e5ea23958e
--- /dev/null
+++ b/pkgs/development/compilers/go/1.1.nix
@@ -0,0 +1,94 @@
+{ stdenv, fetchurl, bison, glibc, bash, coreutils, makeWrapper, tzdata}:
+
+let
+  loader386 = "${glibc}/lib/ld-linux.so.2";
+  loaderAmd64 = "${glibc}/lib/ld-linux-x86-64.so.2";
+  loaderArm = "${glibc}/lib/ld-linux.so.3";
+in
+
+stdenv.mkDerivation {
+  name = "go-1.1beta2";
+
+  src = fetchurl {
+    url = http://go.googlecode.com/files/go1.1beta2.src.tar.gz;
+    sha1 = "70d7642a6ea065a23458b9ea28e370b19912e52d";
+  };
+
+  buildInputs = [ bison glibc bash makeWrapper ];
+
+  # I'm not sure what go wants from its 'src', but the go installation manual
+  # describes an installation keeping the src.
+  preUnpack = ''
+    mkdir -p $out/share
+    cd $out/share
+  '';
+
+  prePatch = ''
+    cd ..
+    if [ ! -d go ]; then
+      mv * go
+    fi
+    cd go
+
+    patchShebangs ./ # replace /bin/bash
+    # !!! substituteInPlace does not seems to be effective.
+    sed -i 's,/lib/ld-linux.so.2,${loader386},' src/cmd/8l/asm.c
+    sed -i 's,/lib64/ld-linux-x86-64.so.2,${loaderAmd64},' src/cmd/6l/asm.c
+    sed -i 's,/lib64/ld-linux-x86-64.so.3,${loaderArm},' src/cmd/5l/asm.c
+    sed -i 's,/usr/share/zoneinfo/,${tzdata}/share/zoneinfo/,' src/pkg/time/zoneinfo_unix.go
+
+    #sed -i -e 's,/bin/cat,${coreutils}/bin/cat,' \
+    #  -e 's,/bin/echo,${coreutils}/bin/echo,' \
+    #  src/pkg/exec/exec_test.go
+
+    # Disabling the 'os/http/net' tests (they want files not available in
+    # chroot builds)
+    rm src/pkg/net/{multicast_test.go,parse_test.go,port_test.go}
+    # The os test wants to read files in an existing path. Just it don't be /usr/bin.
+    sed -i 's,/usr/bin,'"`pwd`", src/pkg/os/os_test.go
+    sed -i 's,/bin/pwd,'"`type -P pwd`", src/pkg/os/os_test.go
+    # Disable the hostname test
+    sed -i '/TestHostname/areturn' src/pkg/os/os_test.go
+    # Disable a failing icmp test
+    sed -i '/ip[46]:icmp.*nil/d' src/pkg/net/ipraw_test.go
+  '';
+
+  patches = [ ./cacert.patch ];
+
+  GOOS = "linux";
+  GOARCH = if stdenv.system == "i686-linux" then "386"
+          else if stdenv.system == "x86_64-linux" then "amd64"
+          else if stdenv.system == "armv5tel-linux" then "arm"
+          else throw "Unsupported system";
+  GOARM = stdenv.lib.optionalString (stdenv.system == "armv5tel-linux") "5";
+
+  installPhase = ''
+    mkdir -p "$out/bin"
+    export GOROOT="$(pwd)/"
+    export GOBIN="$out/bin"
+    export PATH="$GOBIN:$PATH"
+    cd ./src
+    ./all.bash
+    cd -
+
+    # Wrap the tools to define the location of the
+    # libraries.
+    for a in go gofmt godoc; do
+	    wrapProgram "$out/bin/$a" \
+	      --set "GOROOT" $out/share/go \
+        ${if stdenv.system == "armv5tel-linux" then "--set GOARM $GOARM" else ""}
+    done
+
+    # Copy the emacs configuration for Go files.
+    mkdir -p "$out/share/emacs/site-lisp"
+    cp ./misc/emacs/* $out/share/emacs/site-lisp/
+  '';
+
+  meta = {
+    homepage = http://golang.org/;
+    description = "The Go Programming language";
+    license = "BSD";
+    maintainers = with stdenv.lib.maintainers; [ pierron viric ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 68805e9137f1..76de4b6090a6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2502,6 +2502,8 @@ let
 
   go = callPackage ../development/compilers/go { };
 
+  go_1_1 = lowPrio (callPackage ../development/compilers/go/1.1.nix { });
+
   gprolog = callPackage ../development/compilers/gprolog { };
 
   gwt240 = callPackage ../development/compilers/gwt/2.4.0.nix { };