%bcond_with bootstrap
%bcond_with ignore_tests

%global debug_package %{nil}
%global _binaries_in_noarch_packages_terminate_build 0
%global __requires_exclude_from ^(%{_datadir}|/usr/lib)/%{name}/(doc|src)/.*$
%global __strip /bin/true
%define _use_internal_dependency_generator 0
%define __find_requires %{nil}
%global __spec_install_post /usr/lib/rpm/check-rpaths /usr/lib/rpm/check-buildroot /usr/lib/rpm/brp-compress
%global golibdir %{_libdir}/golang

%{!?gopath: %global gopath %{_datadir}/gocode}

%ifarch x86_64 ppc64le ppc64 aarch64 s390x
%global external_linker 1
%else
%global external_linker 0
%endif
%ifarch x86_64 ppc64le ppc64 aarch64 s390x
%global cgo_enabled 1
%else
%global cgo_enabled 0
%endif
%if %{with bootstrap}
%global golang_bootstrap 0
%else
%global golang_bootstrap 1
%endif
%if %{with ignore_tests}
%global fail_on_tests 0
%else
%global fail_on_tests 1
%endif
%ifarch x86_64 ppc64le ppc64 aarch64
%global shared 1
%else
%global shared 0
%endif
%global race 0
%global goroot /usr/lib/%{name}
%ifarch x86_64
%global gohostarch  amd64
%endif
%ifarch %{ix86}
%global gohostarch  386
%endif
%ifarch %{arm}
%global gohostarch  arm
%endif
%ifarch aarch64
%global gohostarch  arm64
%endif
%ifarch ppc64
%global gohostarch  ppc64
%endif
%ifarch ppc64le
%global gohostarch  ppc64le
%endif
%ifarch s390x
%global gohostarch  s390x
%endif

%global go_api 1.20.3
%global go_version %{go_api}
%global baserelease 1

Name:           golang
Version:        %{go_version}
Release:        %{baserelease}%{?dist}
Summary:        The Go Programming Language
License:        BSD and Public Domain
URL:            http://golang.org/
Source0:        https://storage.googleapis.com/golang/go%{go_version}.src.tar.gz
Source1:        powerel.go
Source100:      golang-gdbinit
Source101:      golang-prelink.conf
Patch1:         disable-google-proxy-and-sumdb.patch
%if !%{golang_bootstrap}
BuildRequires:  gcc-go >= 5
%else
BuildRequires:  golang > 1.4
%endif
BuildRequires:  hostname
BuildRequires:  net-tools
BuildRequires:  pcre-devel, glibc-static, procps-ng
Provides:       go = %{version}-%{release}
Provides: bundled(golang(github.com/google/pprof)) = 0.0.0.20221118152302.e6195bd50e26
Provides: bundled(golang(github.com/ianlancetaylor/demangle)) = 0.0.0.20220319035150.800ac71e25c2
Provides: bundled(golang(golang.org/x/arch)) = 0.1.1.0.20221116201807.1bb480fc256a
Provides: bundled(golang(golang.org/x/crypto)) = 0.3.1.0.20221117191849.2c476679df9a
Provides: bundled(golang(golang.org/x/mod)) = 0.7.0
Provides: bundled(golang(golang.org/x/net)) = 0.3.1.0.20221206200815.1e63c2f08a10
Provides: bundled(golang(golang.org/x/sync)) = 0.1.0
Provides: bundled(golang(golang.org/x/sys)) = 0.3.0
Provides: bundled(golang(golang.org/x/term)) = 0.2.0
Provides: bundled(golang(golang.org/x/text)) = 0.5.0
Provides: bundled(golang(golang.org/x/tools)) = 0.3.1.0.20230118190848.070db2996ebe
Provides: bundled(golang(golang.org/x/xerrors)) = 0.0.0.20200804184101.5ec99f83aff1
Requires:       %{name}-bin = %{version}-%{release}
Requires:       %{name}-src = %{version}-%{release}
Requires:       go-srpm-macros
Obsoletes:      %{name}-docs < 1.1-4
Obsoletes:      %{name}-data < 1.1.1-4
Obsoletes:      %{name}-vim < 1.4
Obsoletes:      emacs-%{name} < 1.4
ExclusiveArch:  %{golang_arches}


%description
%{summary}.


%package       docs
Summary:       Golang compiler docs
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch
Obsoletes:     %{name}-docs < 1.1-4
%description   docs
%{summary}.


%package       misc
Summary:       Golang compiler miscellaneous sources
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch
%description   misc
%{summary}.


%package       tests
Summary:       Golang compiler tests for stdlib
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch
%description   tests
%{summary}.


%package        src
Summary:        Golang compiler source tree
BuildArch:      noarch
%description    src
%{summary}


%package        bin
Summary:        Golang core compiler tools
Provides:       %{name}-go = %{version}-%{release}
Requires:       go = %{version}-%{release}
Obsoletes:      %{name}-pkg-bin-linux-386 < 1.4.99
Obsoletes:      %{name}-pkg-bin-linux-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-bin-linux-arm < 1.4.99
Obsoletes:      %{name}-pkg-linux-386 < 1.4.99
Obsoletes:      %{name}-pkg-linux-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-linux-arm < 1.4.99
Obsoletes:      %{name}-pkg-darwin-386 < 1.4.99
Obsoletes:      %{name}-pkg-darwin-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-windows-386 < 1.4.99
Obsoletes:      %{name}-pkg-windows-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-plan9-386 < 1.4.99
Obsoletes:      %{name}-pkg-plan9-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-arm < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-arm < 1.4.99
Obsoletes:      %{name}-pkg-openbsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-openbsd-amd64 < 1.4.99
Obsoletes:      golang-vet < 0-12.1
Obsoletes:      golang-cover < 0-12.1
Requires(post): %{_sbindir}/update-alternatives
Requires(preun): %{_sbindir}/update-alternatives
Requires:       glibc
Requires:       gcc
Requires:       git
#Requires:       subversion, mercurial
%description    bin
%{summary}

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

%if %{shared}
%package        shared
Summary:        Golang shared object libraries
%description    shared
%{summary}.
%endif


%if %{race}
%package        race
Summary:        Golang std library with -race enabled
Requires:       %{name} = %{version}-%{release}
%description    race
%{summary}
%endif


%prep
%autosetup -p1 -n go
cp %{SOURCE1} ./src/runtime/


%build
set -xe
uname -a
cat /proc/cpuinfo
cat /proc/meminfo
%if !%{golang_bootstrap}
export GOROOT_BOOTSTRAP=/
%else
export GOROOT_BOOTSTRAP=%{goroot}
%endif
export GOROOT_FINAL=%{goroot}
export GOHOSTOS=linux
export GOHOSTARCH=%{gohostarch}

pushd src
export CFLAGS="$RPM_OPT_FLAGS"
export LDFLAGS="$RPM_LD_FLAGS"
export CC="gcc"
export CC_FOR_TARGET="gcc"
export GOOS=linux
export GOARCH=%{gohostarch}
DEFAULT_GO_LD_FLAGS=""
%if !%{external_linker}
export GO_LDFLAGS="-linkmode internal"
%else
export GO_LDFLAGS="\"-extldflags=-Wl,-z,now,-z,relro\" $DEFAULT_GO_LD_FLAGS"
%endif
%if !%{cgo_enabled}
export CGO_ENABLED=0
%endif
./make.bash --no-clean -v
popd

%if %{shared}
GOROOT=$(pwd) PATH=$(pwd)/bin:$PATH go install -buildmode=shared -v -x std
%endif

%if %{race}
GOROOT=$(pwd) PATH=$(pwd)/bin:$PATH go install -race -v -x std
%endif


%install
echo "== 1 =="
rm -rf $RPM_BUILD_ROOT
rm -rf pkg/obj/go-build/*
mkdir -p $RPM_BUILD_ROOT%{_bindir}
mkdir -p $RPM_BUILD_ROOT%{goroot}
cp -apv api bin doc lib pkg src misc test VERSION $RPM_BUILD_ROOT%{goroot}

echo "== 2 =="
find $RPM_BUILD_ROOT%{goroot}/src -exec touch -r $RPM_BUILD_ROOT%{goroot}/VERSION "{}" \;
touch $RPM_BUILD_ROOT%{goroot}/pkg
find $RPM_BUILD_ROOT%{goroot}/pkg -exec touch -r $RPM_BUILD_ROOT%{goroot}/pkg "{}" \;
cwd=$(pwd)
src_list=$cwd/go-src.list
pkg_list=$cwd/go-pkg.list
shared_list=$cwd/go-shared.list
race_list=$cwd/go-race.list
misc_list=$cwd/go-misc.list
docs_list=$cwd/go-docs.list
tests_list=$cwd/go-tests.list
rm -f $src_list $pkg_list $docs_list $misc_list $tests_list $shared_list $race_list
touch $src_list $pkg_list $docs_list $misc_list $tests_list $shared_list $race_list

pushd $RPM_BUILD_ROOT%{goroot}
echo "== 3 =="
find src/ -type d -a \( ! -name testdata -a ! -ipath '*/testdata/*' \) -printf '%%%dir %{goroot}/%p\n' >> $src_list
find src/ ! -type d -a \( ! -ipath '*/testdata/*' -a ! -name '*_test.go' \) -printf '%{goroot}/%p\n' >> $src_list

find bin/ pkg/ -type d -a ! -path '*_dynlink/*' -a ! -path '*_race/*' -printf '%%%dir %{goroot}/%p\n' >> $pkg_list
find bin/ pkg/ ! -type d -a ! -path '*_dynlink/*' -a ! -path '*_race/*' -printf '%{goroot}/%p\n' >> $pkg_list

find doc/ -type d -printf '%%%dir %{goroot}/%p\n' >> $docs_list
find doc/ ! -type d -printf '%{goroot}/%p\n' >> $docs_list

find misc/ -type d -printf '%%%dir %{goroot}/%p\n' >> $misc_list
find misc/ ! -type d -printf '%{goroot}/%p\n' >> $misc_list

%if %{shared}
echo "== 4 =="
mkdir -p %{buildroot}/%{_libdir}/
mkdir -p %{buildroot}/%{golibdir}/
for file in $(find .  -iname "*.so" ); do
    chmod 755 $file
    mv  $file %{buildroot}/%{golibdir}
    pushd $(dirname $file)
    ln -fs %{golibdir}/$(basename $file) $(basename $file)
    popd
    echo "%%{goroot}/$file" >> $shared_list
    echo "%%{golibdir}/$(basename $file)" >> $shared_list
done
find pkg/*_dynlink/ -type d -printf '%%%dir %{goroot}/%p\n' >> $shared_list
find pkg/*_dynlink/ ! -type d -printf '%{goroot}/%p\n' >> $shared_list
%endif

echo "== 5 =="
%if %{race}
    find pkg/*_race/ -type d -printf '%%%dir %{goroot}/%p\n' >> $race_list
    find pkg/*_race/ ! -type d -printf '%{goroot}/%p\n' >> $race_list
%endif
find test/ -type d -printf '%%%dir %{goroot}/%p\n' >> $tests_list
find test/ ! -type d -printf '%{goroot}/%p\n' >> $tests_list
find src/ -type d -a \( -name testdata -o -ipath '*/testdata/*' \) -printf '%%%dir %{goroot}/%p\n' >> $tests_list
find src/ ! -type d -a \( -ipath '*/testdata/*' -o -name '*_test.go' \) -printf '%{goroot}/%p\n' >> $tests_list
find lib/ -type d -printf '%%%dir %{goroot}/%p\n' >> $tests_list
find lib/ ! -type d -printf '%{goroot}/%p\n' >> $tests_list
popd

echo "== 6 =="
rm -rfv $RPM_BUILD_ROOT%{goroot}/doc/Makefile
mkdir -p $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}
ln -sf %{goroot}/bin/go $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}/go
ln -sf %{goroot}/bin/gofmt $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}/gofmt
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/github.com
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/bitbucket.org
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/code.google.com/p
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/golang.org/x

echo "== 7 =="
rm -f $RPM_BUILD_ROOT%{_bindir}/go
ln -sf /etc/alternatives/go $RPM_BUILD_ROOT%{_bindir}/go
rm -f $RPM_BUILD_ROOT%{_bindir}/gofmt
ln -sf /etc/alternatives/gofmt $RPM_BUILD_ROOT%{_bindir}/gofmt
mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d
cp -av %{SOURCE100} $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d/golang.gdb
mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/prelink.conf.d
cp -av %{SOURCE101} $RPM_BUILD_ROOT%{_sysconfdir}/prelink.conf.d/golang.conf
sed -i 's/const defaultGO_LDSO = `.*`/const defaultGO_LDSO = ``/' $RPM_BUILD_ROOT%{goroot}/src/internal/buildcfg/zbootstrap.go

echo "== END OF INSTALL =="


%check
export GOROOT=$(pwd -P)
export PATH="$GOROOT"/bin:"$PATH"
cd src
export CC="gcc"
export CFLAGS="$RPM_OPT_FLAGS"
export LDFLAGS="$RPM_LD_FLAGS"
%if !%{external_linker}
export GO_LDFLAGS="-linkmode internal"
%endif
%if !%{cgo_enabled} || !%{external_linker}
export CGO_ENABLED=0
%endif
#ifarch aarch64
#export CGO_CFLAGS="-mno-outline-atomics"
#endif
# make sure to not timeout
export GO_TEST_TIMEOUT_SCALE=2
%if %{fail_on_tests}
./run.bash --no-rebuild -v -v -v -k
%else
./run.bash --no-rebuild -v -v -v -k || :
%endif
cd ..


%post bin
%{_sbindir}/update-alternatives --install %{_bindir}/go \
    go %{goroot}/bin/go 90 \
    --slave %{_bindir}/gofmt gofmt %{goroot}/bin/gofmt


%preun bin
if [ $1 = 0 ]; then
    %{_sbindir}/update-alternatives --remove go %{goroot}/bin/go
fi


%files
%license LICENSE PATENTS
%doc %{goroot}/VERSION
%dir %{goroot}/doc
%dir %{goroot}
%{goroot}/api/
%{goroot}/lib/time/
%dir %{gopath}
%dir %{gopath}/src
%dir %{gopath}/src/github.com/
%dir %{gopath}/src/bitbucket.org/
%dir %{gopath}/src/code.google.com/
%dir %{gopath}/src/code.google.com/p/
%dir %{gopath}/src/golang.org
%dir %{gopath}/src/golang.org/x
%{_sysconfdir}/gdbinit.d
%{_sysconfdir}/prelink.conf.d/golang.conf


%files src -f go-src.list


%files docs -f go-docs.list


%files misc -f go-misc.list


%files tests -f go-tests.list


%files bin -f go-pkg.list
%{_bindir}/go
%{_bindir}/gofmt
%{goroot}/bin/linux_%{gohostarch}/go
%{goroot}/bin/linux_%{gohostarch}/gofmt


%if %{shared}
%files shared -f go-shared.list
%endif


%if %{race}
%files race -f go-race.list
%endif


%changelog