%define gobuild(o:) %{expand:
  # https://bugzilla.redhat.com/show_bug.cgi?id=995136#c12
  %global _dwz_low_mem_die_limit 0
  %ifnarch ppc64
  go build -buildmode pie -compiler gc -tags="rpm_crashtraceback ${BUILDTAGS:-}" -ldflags "${LDFLAGS:-}%{?currentgoldflags} -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \\n') -extldflags '%__global_ldflags %{?__golang_extldflags}' -compressdwarf=false" -a -v -x %{?**};
  %else
  go build                -compiler gc -tags="rpm_crashtraceback ${BUILDTAGS:-}" -ldflags "${LDFLAGS:-}%{?currentgoldflags} -B 0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \\n') -extldflags '%__global_ldflags %{?__golang_extldflags}' -compressdwarf=false" -a -v -x %{?**};
  %endif
}

# https://github.com/cpuguy83/go-md2man
%global goipath         github.com/cpuguy83/go-md2man
Version:                2.0.0
%global commit          af8da765f0460ccb1d91003b4945a792363a94ca
%global shortcommit     %(c=%{commit}; echo ${c:0:7})
%global snapshotdate    20210612


%global common_description %{expand:
Converts markdown into roff (man pages).}

Name:           golang-github-cpuguy83-md2man
Release:        4.%{snapshotdate}git%{shortcommit}%{?dist}
Summary:        Converts markdown into roff (man pages)

License:        MIT
URL:            https://github.com/cpuguy83/go-md2man
Source0:        %url/archive/%{commit}/go-md2man-%{commit}.tar.gz
Source1:        vendor-%{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 aarch64 %{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}

Provides:       go-md2man = %{version}-%{release}
Provides:       golang-github-cpuguy83-go-md2man = %{version}-%{release}
Obsoletes:      golang-github-cpuguy83-go-md2man < 1.0.4-6

%description
%{common_description}

%prep
%autosetup -p1 -n go-md2man-%{commit}
%setup -q -T -D -a 1 -n go-md2man-%{commit}

%build
export GO111MODULE=on
export GOFLAGS=-mod=vendor
%gobuild -o _bin/go-md2man .

%install
install -m 0755 -vd                     %{buildroot}%{_bindir}
install -m 0755 -vp _bin/*              %{buildroot}%{_bindir}/

%files
%license LICENSE.md
%doc README.md go-md2man.1.md
%{_bindir}/*

%changelog
* Sat Jun 12 2021 Robert-André Mauchin <zebob.m@gmail.com> - 2.0.0-4.20210612gitaf8da76
- Initial package for EPEL