%if 0%{?fedora} || 0%{?rhel} == 6
%global with_devel 1
%global with_bundled 0
%global with_debug 0
%global with_check 1
%global with_unit_test 1
%else
%global with_devel 0
%global with_bundled 0
%global with_debug 0
%global with_check 0
%global with_unit_test 0
%endif

%if 0%{?with_debug}
%global _dwz_low_mem_die_limit 0
%else
%global debug_package   %{nil}
%endif

%global provider        github
%global provider_tld    com
%global project         milochristiansen
%global repo            lua
# https://github.com/milochristiansen/lua
%global provider_prefix %{provider}.%{provider_tld}/%{project}/%{repo}
%global import_path     %{provider_prefix}
%global commit          68d5f07243f92541f65f6d6210404fff40448540
%global shortcommit     %(c=%{commit}; echo ${c:0:7})
# commit 68d5f07243f92541f65f6d6210404fff40448540 == version 1.1.3

Name:           golang-%{provider}-%{project}-%{repo}
Version:        1.1.3
Release:        1%{?dist}
Summary:        Lua 5.3 VM and compiler written in Go

# License is confirmed to be zlib: https://github.com/milochristiansen/lua/issues/5
License:        zlib
URL:            https://%{provider_prefix}
Source0:        https://%{provider_prefix}/archive/%{version}/%{project}-%{repo}-%{version}.tar.gz

# e.g. el6 has ppc64 arch without gcc-go, so EA tag is required
ExclusiveArch:  %{?go_arches:%{go_arches}}%{!?go_arches:%{ix86} x86_64 %{arm}}
# If go_compiler is not set to 1, there is no virtual provide. Use golang instead.
BuildRequires:  %{?go_compiler:compiler(go-compiler)}%{!?go_compiler:golang}

%description
This is a Lua 5.3 VM and compiler written in Go. This is
intended to allow easy embedding into Go programs, with
minimal fuss and bother.

%if 0%{?with_devel}
%package devel
Summary:       %{summary}
BuildArch:     noarch

Provides:      golang(%{import_path}) = %{version}-%{release}
Provides:      golang(%{import_path}/ast) = %{version}-%{release}
Provides:      golang(%{import_path}/lmodbase) = %{version}-%{release}
Provides:      golang(%{import_path}/lmodmath) = %{version}-%{release}
Provides:      golang(%{import_path}/lmodpackage) = %{version}-%{release}
Provides:      golang(%{import_path}/lmodstring) = %{version}-%{release}
Provides:      golang(%{import_path}/lmodtable) = %{version}-%{release}
Provides:      golang(%{import_path}/luautil) = %{version}-%{release}
Provides:      golang(%{import_path}/supermeta) = %{version}-%{release}
Provides:      golang(%{import_path}/testhelp) = %{version}-%{release}

%description devel
%{summary}

This package contains library source intended for
building other packages which use import path with
%{import_path} prefix.
%endif

%if 0%{?with_unit_test} && 0%{?with_devel}
%package unit-test-devel
Summary:         Unit tests for %{name} package

# test subpackage tests code from devel subpackage
Requires:        %{name}-devel = %{version}-%{release}

%description unit-test-devel
%{summary}

This package contains unit tests for project
providing packages with %{import_path} prefix.
%endif

%prep
%setup -q -n %{repo}-%{version}

# This test requires gopher-lua; I'm uninterested in packaging that at present.
# (It does benchmarking).
rm fib_test.go

%build

%install
# source codes for building projects
%if 0%{?with_devel}
install -d -p %{buildroot}/%{gopath}/src/%{import_path}/
echo "%%dir %%{gopath}/src/%%{import_path}/." >> devel.file-list
# find all *.go but no *_test.go files and generate devel.file-list
for file in $(find . -iname "*.go" \! -iname "*_test.go") ; do
    echo "%%dir %%{gopath}/src/%%{import_path}/$(dirname $file)" >> devel.file-list
    install -d -p %{buildroot}/%{gopath}/src/%{import_path}/$(dirname $file)
    cp -pav $file %{buildroot}/%{gopath}/src/%{import_path}/$file
    echo "%%{gopath}/src/%%{import_path}/$file" >> devel.file-list
done
%endif

# testing files for this project
%if 0%{?with_unit_test} && 0%{?with_devel}
install -d -p %{buildroot}/%{gopath}/src/%{import_path}/
# find all *_test.go files and generate unit-test.file-list
for file in $(find . -iname "*_test.go"); do
    echo "%%dir %%{gopath}/src/%%{import_path}/$(dirname $file)" >> devel.file-list
    install -d -p %{buildroot}/%{gopath}/src/%{import_path}/$(dirname $file)
    cp -pav $file %{buildroot}/%{gopath}/src/%{import_path}/$file
    echo "%%{gopath}/src/%%{import_path}/$file" >> unit-test-devel.file-list
done
%endif

%if 0%{?with_devel}
sort -u -o devel.file-list devel.file-list
%endif

%check
%if 0%{?with_check} && 0%{?with_unit_test} && 0%{?with_devel}
%if ! 0%{?with_bundled}
export GOPATH=%{buildroot}/%{gopath}:%{gopath}
%else
export GOPATH=%{buildroot}/%{gopath}:%{gopath}
%endif

%gotest %{import_path}
%gotest %{import_path}/supermeta
%endif

#define license tag if not already defined
%{!?_licensedir:%global license %doc}

%if 0%{?with_devel}
%files devel -f devel.file-list
%doc README.md
%dir %{gopath}/src/%{provider}.%{provider_tld}/%{project}
%endif

%if 0%{?with_unit_test} && 0%{?with_devel}
%files unit-test-devel -f unit-test-devel.file-list
%doc README.md
%endif

%changelog
* Tue Apr 18 2017 Ben Rosser <rosser.bjr@gmail.com> - 1.1.3-1
- Update to latest upstream release, fixing 32-bit unit test failures.
- Add new development provides for supermeta and testhelp go subpackages.
- Add new gotest command for supermeta tests.
- Re-add commit and shortcommit global macros to header for gofed.

* Wed Apr 05 2017 Ben Rosser <rosser.bjr@gmail.com> - 1.1.1-1
- Updated to latest upstream release.
- Changed Source0 to use project prefix.
- Remove vendored go library from Provides section.
- Cleaned up setup macro in prep section.
- Removed some empty/redundant template parts of the spec file and cleaned GOPATH definition.
- General spec cleanup; removed dist tag from changelog section and removed leading article from summary.

* Fri Dec 30 2016 Ben Rosser <rosser.bjr@gmail.com> - 1.0.2-1
- First package for Fedora