# build ids are not currently generated:
# https://code.google.com/p/go/issues/detail?id=5238
#
# also, debuginfo extraction currently fails with
# "Failed to write file: invalid section alignment"
%global debug_package %{nil}

# we are shipping the full contents of src in the data subpackage, which
# contains binary-like things (ELF data for tests, etc)
%global _binaries_in_noarch_packages_terminate_build 0

# Do not check any files in doc or src for requires
%global __requires_exclude_from ^%{_datadir}/%{name}/(doc|src)/.*$

Name:		golang
Version:	1.1.1
Release:	1%{?dist}
Summary:	The Go Programming Language

License:	BSD
URL:		http://golang.org/
Source0:	https://go.googlecode.com/files/go%{version}.src.tar.gz

BuildRequires:	/bin/hostname symlinks
BuildRequires:	emacs xemacs xemacs-packages-extra

Patch0:		golang-1.1-verbose-build.patch

# Having godoc and the documentation separate was broken
Obsoletes:	%{name}-godoc < 1.1-4

# All the noarch stuff is in one package now
Requires:	%{name}-data = %{version}-%{release}

ExclusiveArch:	%{ix86} x86_64 %{arm}

%description
%{summary}.


%package data
Summary: Required architecture-independent files for Go
Requires:	%{name} = %{version}-%{release}
BuildArch:	noarch
Obsoletes:	%{name}-docs < 1.1-4

%description data
%{summary}.


%package vim
Summary: Vim plugins for Go
Requires:    vim-filesystem
BuildArch:   noarch

%description vim
%{summary}.


%package -n emacs-%{name}
Summary: Emacs add-on package for Go
Requires:      emacs(bin) >= %{_emacs_version}
BuildArch:     noarch

%description -n emacs-%{name}
%{summary}.


%package -n xemacs-%{name}
Summary: XEmacs add-on package for Go
Requires:	xemacs(bin) >= %{_xemacs_version}
Requires:	xemacs-packages-extra
BuildArch:	noarch

%description -n xemacs-%{name}
%{summary}.


%prep
%setup -q -n go

# increase verbosity of build
%patch0 -p1

# make a copy before building to let us avoid generated src files in docs
pushd ..
cp -av go go-nogenerated
popd


%build
# create a gcc wrapper to allow us to build with our own flags
mkdir zz
cd zz
echo -e "#!/bin/sh\n/usr/bin/gcc $RPM_OPT_FLAGS $RPM_LD_FLAGS \"\$@\"" > mygcc
chmod +x mygcc
export CC="$(pwd -P)/mygcc"
cd ..

# set up final install location
export GOROOT_FINAL=%{_libdir}/%{name}

# TODO use the system linker to get the system link flags and build-id
# when https://code.google.com/p/go/issues/detail?id=5221 is solved
#export GO_LDFLAGS="-linkmode external -extldflags $RPM_LD_FLAGS"

# build
cd src
./make.bash
cd ..

# build static version of documentation
export GOROOT=$(pwd -P)
export PATH="$PATH":"$GOROOT"/bin
cd doc
make
cd ..

# compile for emacs and xemacs
cd misc
mv emacs/go-mode-load.el emacs/%{name}-init.el
cp -av emacs xemacs
%{_emacs_bytecompile} emacs/go-mode.el
%{_xemacs_bytecompile} xemacs/go-mode.el
cd ..


%check
export GOROOT=$(pwd -P)
export PATH="$PATH":"$GOROOT"/bin
cd src
./run.bash --no-rebuild
cd ..


%install
rm -rf $RPM_BUILD_ROOT

# create the top level directories
mkdir -p $RPM_BUILD_ROOT%{_bindir}
mkdir -p $RPM_BUILD_ROOT%{_libdir}/%{name}
mkdir -p $RPM_BUILD_ROOT%{_datadir}/%{name}

# install binaries and runtime files into libdir
cp -av bin pkg $RPM_BUILD_ROOT%{_libdir}/%{name}

# install sources and other data in datadir
cp -av api doc include lib favicon.ico robots.txt $RPM_BUILD_ROOT%{_datadir}/%{name}

# remove the unnecessary zoneinfo file (Go will always use the system one first)
rm -rfv $RPM_BUILD_ROOT%{_datadir}/%{name}/lib/time

# remove the doc Makefile
rm -rfv $RPM_BUILD_ROOT%{_datadir}/%{name}/doc/Makefile

# install all non-generated sources
pushd ../go-nogenerated
cp -av src $RPM_BUILD_ROOT%{_datadir}/%{name}
popd

# make a symlink tree for src
cp -asv $RPM_BUILD_ROOT%{_datadir}/%{name}/src $RPM_BUILD_ROOT%{_libdir}/%{name}

# install arch-specific generated sources (don't clobber symlinks)
cp -anv src $RPM_BUILD_ROOT%{_libdir}/%{name}

# add symlinks for things in datadir
for z in api doc favicon.ico include lib robots.txt
  do ln -s ../../share/%{name}/$z $RPM_BUILD_ROOT%{_libdir}/%{name}
done

# add symlinks for binaries
pushd $RPM_BUILD_ROOT%{_bindir}
for z in $RPM_BUILD_ROOT%{_libdir}/%{name}/bin/*
  do ln -s %{_libdir}/%{name}/bin/$(basename $z)
done
popd

# misc/bash
mkdir -p $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions
cp -av misc/bash/go $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions
for z in 8l 6l 5l 8g 6g 5g gofmt gccgo
  do ln -s go $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions/$z
done

# misc/emacs
mkdir -p $RPM_BUILD_ROOT%{_emacs_sitelispdir}/%{name}
mkdir -p $RPM_BUILD_ROOT%{_emacs_sitestartdir}
cp -av misc/emacs/go-mode.* $RPM_BUILD_ROOT%{_emacs_sitelispdir}/%{name}
cp -av misc/emacs/%{name}-init.el $RPM_BUILD_ROOT%{_emacs_sitestartdir}

# misc/xemacs
mkdir -p $RPM_BUILD_ROOT%{_xemacs_sitelispdir}/%{name}
mkdir -p $RPM_BUILD_ROOT%{_xemacs_sitestartdir}
cp -av misc/xemacs/go-mode.* $RPM_BUILD_ROOT%{_xemacs_sitelispdir}/%{name}
cp -av misc/xemacs/%{name}-init.el $RPM_BUILD_ROOT%{_xemacs_sitestartdir}

# misc/vim
mkdir -p $RPM_BUILD_ROOT%{_datadir}/vim/vimfiles
cp -av misc/vim/* $RPM_BUILD_ROOT%{_datadir}/vim/vimfiles
rm $RPM_BUILD_ROOT%{_datadir}/vim/vimfiles/readme.txt

# misc/zsh
mkdir -p $RPM_BUILD_ROOT%{_datadir}/zsh/site-functions
cp -av misc/zsh/go $RPM_BUILD_ROOT%{_datadir}/zsh/site-functions

# fix all the symlinks
symlinks -c -s -r $RPM_BUILD_ROOT%{_libdir}


%files
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS VERSION

# binaries
%dir %{_libdir}/%{name}
%dir %{_libdir}/%{name}/bin
%{_libdir}/%{name}/bin/go
%{_libdir}/%{name}/bin/godoc
%{_libdir}/%{name}/bin/gofmt
%{_libdir}/%{name}/pkg
%{_bindir}/go
%{_bindir}/godoc
%{_bindir}/gofmt

# symlinks (lib -> share)
%{_libdir}/%{name}/api
%{_libdir}/%{name}/doc
%{_libdir}/%{name}/favicon.ico
%{_libdir}/%{name}/include
%{_libdir}/%{name}/lib
%{_libdir}/%{name}/robots.txt
%{_libdir}/%{name}/src


%files data
%{_datadir}/bash-completion
%{_datadir}/zsh

%dir %{_datadir}/%{name}
%{_datadir}/%{name}/api
%{_datadir}/%{name}/doc
%{_datadir}/%{name}/favicon.ico
%{_datadir}/%{name}/include
%{_datadir}/%{name}/lib
%{_datadir}/%{name}/robots.txt
%{_datadir}/%{name}/src


%files vim
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS
%{_datadir}/vim/vimfiles/*


%files -n emacs-%{name}
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS
%{_emacs_sitelispdir}/%{name}
%{_emacs_sitestartdir}/*.el


%files -n xemacs-%{name}
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS
%{_xemacs_sitelispdir}/%{name}
%{_xemacs_sitestartdir}/*.el


%changelog
* Thu Jun 13 2013 Adam Goode <adam@spicenitz.org> - 1.1.1-1
- Update to 1.1.1
- Fix basically useless package (#973842)

* Sat May 25 2013 Dan Horák <dan[at]danny.cz> - 1.1-3
- set ExclusiveArch

* Fri May 24 2013 Adam Goode <adam@spicenitz.org> - 1.1-2
- Fix noarch package discrepancies

* Fri May 24 2013 Adam Goode <adam@spicenitz.org> - 1.1-1
- Initial Fedora release.
- Update to 1.1

* Thu May  9 2013 Adam Goode <adam@spicenitz.org> - 1.1-0.3.rc3
- Update to rc3

* Thu Apr 11 2013 Adam Goode <adam@spicenitz.org> - 1.1-0.2.beta2
- Update to beta2

* Tue Apr  9 2013 Adam Goode <adam@spicenitz.org> - 1.1-0.1.beta1
- Initial packaging.