opensuse leap rpm spec file (#227)

* add rpm package build script for opensuse leap 15.6

* add more fields to opensuse rpm spec file

pkg/opensuse-leap15.6-x86_64.sh

@@ -0,0 +1,63 @@
+#!/bin/bash -e
+
+OUTPUT_DIR=$PWD
+
+SOURCE_DIR=$(readlink -f $(dirname ${BASH_SOURCE[0]})/..)
+
+VERSION=$(cd "$SOURCE_DIR" && git describe --tags --abbrev=8 --dirty | tr - .)~upstream_suse_leap_15.6
+
+DOCKER_TAG=$(docker build -q - <<EOS
+FROM opensuse/leap:latest
+RUN zypper --non-interactive refresh && zypper --non-interactive update && zypper --non-interactive install -y rpm-build cmake make gcc-c++ wget sqlite3-devel boost-devel zlib-devel capnproto libcapnp-devel rapidjson-devel
+EOS
+)
+
+# use /usr/sr/packages for opensuse instead of /root/rpmbuild
+docker run --rm -i -v $SOURCE_DIR:/usr/src/packages/SOURCES/laminar-$VERSION:ro -v $OUTPUT_DIR:/output $DOCKER_TAG bash -xe <<EOS
+mkdir /build
+cd /build
+
+cd
+cat <<EOF > laminar.spec
+Summary: Lightweight Continuous Integration Service
+Name: laminar
+Version: $VERSION
+Release: 1
+License: GPL
+URL: https://laminar.ohwg.net/
+BuildArch: x86_64
+BuildRequires: cmake make gcc-c++ sqlite3-devel boost-devel zlib-devel capnproto libcapnp-devel rapidjson-devel
+
+%description
+Lightweight Continuous Integration Service
+
+%prep
+
+%build
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DLAMINAR_VERSION=$VERSION -DSYSTEMD_UNITDIR=%{_unitdir} %{_sourcedir}/laminar-$VERSION
+pwd
+make %{?_smp_mflags}
+
+%install
+%make_install
+
+%files
+%{_bindir}/laminarc
+%{_sbindir}/laminard
+%{_unitdir}/laminar.service
+%config(noreplace) %{_sysconfdir}/laminar.conf
+%{_datarootdir}/bash-completion/completions/laminarc
+%{_datarootdir}/zsh/site-functions/_laminarc
+%{_mandir}/man8/laminard.8.gz
+%{_mandir}/man1/laminarc.1.gz
+
+%post
+echo Creating laminar user with home in %{_sharedstatedir}/laminar
+useradd -r -d %{_sharedstatedir}/laminar -s %{_sbindir}/nologin laminar
+mkdir -p %{_sharedstatedir}/laminar/cfg/{jobs,contexts,scripts}
+chown -R laminar: %{_sharedstatedir}/laminar
+EOF
+
+rpmbuild -ba laminar.spec
+mv /usr/src/packages/RPMS/x86_64/laminar-$VERSION-1.x86_64.rpm /output/
+EOS