# 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}|%{_libdir})/%{name}/(doc|src)/.*$

# Don't alter timestamps of especially the .a files (or else go will rebuild later)
# Actually, don't strip at all since we are not even building debug packages and this corrupts the dwarf testdata
%global __strip /bin/true

# rpmbuild magic to keep from having meta dependency on libc.so.6
%define _use_internal_dependency_generator 0
%define __find_requires %{nil}
%global debug_package %{nil}
%global __spec_install_post /usr/lib/rpm/check-rpaths   /usr/lib/rpm/check-buildroot  \
  /usr/lib/rpm/brp-compress

Name:           golang
Version:        1.2
Release:        3%{?dist}
Summary:        The Go Programming Language

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

# this command moved places
%if 0%{?fedora} >= 21
BuildRequires:  /usr/bin/hostname
Patch1:         golang-f21-hostname.patch
%else
BuildRequires:  /bin/hostname
%endif

BuildRequires:  emacs
# xemacs on fedora only
%if 0%{?fedora}
BuildRequires:  xemacs xemacs-packages-extra
%endif

# We strip the meta dependency, but go does require glibc.
# This is an odd issue, still looking for a better fix.
Requires:       glibc

Patch0:         golang-1.2-verbose-build.patch

# https://bugzilla.redhat.com/show_bug.cgi?id=1038683
Patch2:         golang-1.2-remove-ECC-p224.patch

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

# RPM can't handle symlink -> dir with subpackages, so merge back
Obsoletes:      %{name}-data < 1.1.1-4

ExclusiveArch:  %{ix86} x86_64 %{arm}

Source100:      golang-gdbinit
Source101:      golang-prelink.conf

%description
%{summary}.


# Restore this package if RPM gets fixed (bug #975909)
#%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
# xemacs on fedora only
%if 0%{?fedora}
Requires:       vim-filesystem
%endif
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}.


# xemacs on fedora only
%if 0%{?fedora}
%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}.
%endif


# Workaround old RPM bug of symlink-replaced-with-dir failure
%pretrans -p <lua>
for _,d in pairs({"api", "doc", "include", "lib", "src"}) do
  path = "%{_libdir}/%{name}/" .. d
  if posix.stat(path, "type") == "link" then
    os.remove(path)
    posix.mkdir(path)
  end
end


%prep
%setup -q -n go

# increase verbosity of build
%patch0 -p1

# remove the P224 curve
%patch2 -p1

# create a [dirty] gcc wrapper to allow us to build with our own flags
# (dirty because it is spoofing 'gcc' since CC value is stored in the go tool)
# TODO: remove this and just set CFLAGS/LDFLAGS once upstream supports it
# https://code.google.com/p/go/issues/detail?id=6882
mkdir -p zz
echo -e "#!/bin/sh\n/usr/bin/gcc $RPM_OPT_FLAGS $RPM_LD_FLAGS \"\$@\"" > ./zz/gcc
chmod +x ./zz/gcc

%build
# 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
# use our gcc wrapper
PATH="$(pwd -P)/../zz:$PATH" CC="gcc" ./make.bash
cd ..

# compile for emacs and xemacs
cd misc
mv emacs/go-mode-load.el emacs/%{name}-init.el
# xemacs on fedora only
%if 0%{?fedora}
cp -av emacs xemacs
%{_xemacs_bytecompile} xemacs/go-mode.el
%endif
%{_emacs_bytecompile} emacs/go-mode.el
cd ..


%check
export GOROOT=$(pwd -P)
export PATH="$PATH":"$GOROOT"/bin
cd src
# not using our 'gcc' since the CFLAGS fails crash_cgo_test.go due to unused variables
# https://code.google.com/p/go/issues/detail?id=6883
./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}

# install everything into libdir (until symlink problems are fixed)
# https://code.google.com/p/go/issues/detail?id=5830
cp -av api bin doc favicon.ico include lib pkg robots.txt src \
   $RPM_BUILD_ROOT%{_libdir}/%{name}

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

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

# put binaries to bindir
pushd $RPM_BUILD_ROOT%{_bindir}
for z in $RPM_BUILD_ROOT%{_libdir}/%{name}/bin/*
  do mv $RPM_BUILD_ROOT%{_libdir}/%{name}/bin/$(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}

# xemacs on fedora only
%if 0%{?fedora}
# 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}
%endif

# 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

# gdbinit
mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d
cp -av %{SOURCE100} $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d/golang

# prelink blacklist
mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/prelink.conf.d
cp -av %{SOURCE101} $RPM_BUILD_ROOT%{_sysconfdir}/prelink.conf.d/golang.conf


%files
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS VERSION

# go files
%{_libdir}/%{name}

# binary executables
%{_bindir}/go
%{_bindir}/gofmt

# autocomplete
%{_datadir}/bash-completion
%{_datadir}/zsh

# gdbinit (for gdb debugging)
%{_sysconfdir}/gdbinit.d

# prelink blacklist
%{_sysconfdir}/prelink.conf.d


%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


# xemacs on fedora only
%if 0%{?fedora}
%files -n xemacs-%{name}
%doc AUTHORS CONTRIBUTORS LICENSE PATENTS
%{_xemacs_sitelispdir}/%{name}
%{_xemacs_sitestartdir}/*.el
%endif


%changelog
* Thu Jan 16 2014 Vincent Batts <vbatts@redhat.com> 1.2-3
- remove golang-godoc dependency. cyclic dependency on compiling godoc

* Wed Dec 18 2013 Vincent Batts <vbatts@redhat.com> - 1.2-2
- removing P224 ECC curve

* Mon Dec 2 2013 Vincent Batts <vbatts@fedoraproject.org> - 1.2-1
- Update to upstream 1.2 release
- remove the pax tar patches

* Tue Nov 26 2013 Vincent Batts <vbatts@redhat.com> - 1.1.2-8
- fix the rpmspec conditional for rhel and fedora

* Thu Nov 21 2013 Vincent Batts <vbatts@redhat.com> - 1.1.2-7
- patch tests for testing on rawhide
- let the same spec work for rhel and fedora

* Wed Nov 20 2013 Vincent Batts <vbatts@redhat.com> - 1.1.2-6
- don't symlink /usr/bin out to ../lib..., move the file
- seperate out godoc, to accomodate the go.tools godoc

* Fri Sep 20 2013 Adam Miller <maxamillion@fedoraproject.org> - 1.1.2-5
- Pull upstream patches for BZ#1010271
- Add glibc requirement that got dropped because of meta dep fix

* Fri Aug 30 2013 Adam Miller <maxamillion@fedoraproject.org> - 1.1.2-4
- fix the libc meta dependency (thanks to vbatts [at] redhat.com for the fix)

* Tue Aug 27 2013 Adam Miller <maxamillion@fedoraproject.org> - 1.1.2-3
- Revert incorrect merged changelog

* Tue Aug 27 2013 Adam Miller <maxamillion@fedoraproject.org> - 1.1.2-2
- Update spec to fix changelog entries from bad merge

* Tue Aug 20 2013 Adam Miller <maxamillion@fedoraproject.org> - 1.1.2-1
- Update to latest upstream

* Wed Jul 10 2013 Adam Goode <adam@spicenitz.org> - 1.1.1-5
- Blacklist testdata files from prelink
- Again try to fix #973842

* Fri Jul  5 2013 Adam Goode <adam@spicenitz.org> - 1.1.1-4
- Move src to libdir for now (#973842) (upstream issue https://code.google.com/p/go/issues/detail?id=5830)
- Eliminate noarch data package to work around RPM bug (#975909)
- Try to add runtime-gdb.py to the gdb safe-path (#981356)

* Wed Jun 19 2013 Adam Goode <adam@spicenitz.org> - 1.1.1-3
- Use lua for pretrans (http://fedoraproject.org/wiki/Packaging:Guidelines#The_.25pretrans_scriptlet)

* Mon Jun 17 2013 Adam Goode <adam@spicenitz.org> - 1.1.1-2
- Hopefully really fix #973842
- Fix update from pre-1.1.1 (#974840)

* 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 HorĂ¡k <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.