File pigeon.spec of Package pigeon

#
# spec file for package golang
#
# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via http://bugs.opensuse.org/
#


Name:           pigeon
Version:        1.3.0
Release:        0
Summary:        Generates parsers in Go from a PEG grammar
License:        BSD-3-Clause
Url:            https://github.com/mna/pigeon
Source0:        %{name}-%{version}.tar.gz
Source1:        vendor.tar.gz
BuildRequires:  golang(API) >= 1.22

%description
The pigeon command generates parsers based on a parsing expression grammar
(PEG).  Its grammar and syntax is inspired by the PEG.js project, while the
implementation is loosely based on the parsing expression grammar for C# 3.0
article.

%prep
%autosetup -a 1

%build
COMMIT_HASH="$(sed -n 's/commit: \(.*\)/\1/p' %_sourcedir/%{name}.obsinfo)"

DATE_FMT="+%%Y-%%m-%%dT%%H:%%M:%%SZ"
BUILD_DATE=$(date -u -d "@${SOURCE_DATE_EPOCH}" "${DATE_FMT}" 2>/dev/null || date -u -r "${SOURCE_DATE_EPOCH}" "${DATE_FMT}" 2>/dev/null || date -u "${DATE_FMT}")

go build \
   -mod=vendor \
   -buildmode=pie \
   -ldflags=" \
   -X main.version=v%{version} \
   -X main.commit=${COMMIT_HASH} \
   -X main.date=${BUILD_DATE}" \
   -o bin/%{name}

%install
# Install the binary.
install -D -m 0755 bin/%{name} %{buildroot}/%{_bindir}/%{name}

%check
# make sure the binary is pristine and at least runs,
# there are no checks to run...
%{buildroot}/%{_bindir}/%{name} --help

%files
%{_bindir}/%{name}
%doc README.md CONTRIBUTING.md
%license LICENSE

%changelog