--- /dev/null
+%define crates_ver 0.1.3
+
+Summary: Convert Markdown to man pages
+Name: mandown
+Version: 0.1.3
+Release: 1
+License: Apache v2.0
+Group: Development/Tools
+Source0: https://gitlab.com/kornelski/mandown/-/archive/%{version}/%{name}-%{version}.tar.bz2
+# Source0-md5: 7d756131eff24c8044234bb9bce3711a
+Source1: %{name}-crates-%{version}.tar.xz
+# Source1-md5: ac722b794ec5cc275a3abfbf17684078
+URL: https://gitlab.com/kornelski/mandown
+BuildRequires: cargo
+BuildRequires: rpmbuild(macros) >= 2.004
+BuildRequires: rust >= 1.42
+BuildRequires: tar >= 1:1.22
+BuildRequires: xz
+ExclusiveArch: %{rust_arches}
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+Convert Markdown to man pages.
+
+%prep
+%setup -q -a1
+
+%{__mv} %{name}-%{crates_ver}/* .
+sed -i -e 's/@@VERSION@@/%{version}/' Cargo.lock
+
+# use our offline registry
+export CARGO_HOME="$(pwd)/.cargo"
+
+mkdir -p "$CARGO_HOME"
+cat >.cargo/config <<EOF
+[source.crates-io]
+registry = 'https://github.com/rust-lang/crates.io-index'
+replace-with = 'vendored-sources'
+
+[source.vendored-sources]
+directory = '$PWD/vendor'
+EOF
+
+%build
+export CARGO_HOME="$(pwd)/.cargo"
+
+%cargo_build --frozen
+
+%install
+rm -rf $RPM_BUILD_ROOT
+export CARGO_HOME="$(pwd)/.cargo"
+
+%cargo_install --frozen --root $RPM_BUILD_ROOT%{_prefix} --path $PWD
+%{__rm} $RPM_BUILD_ROOT%{_prefix}/.crates*
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%doc README.md
+%attr(755,root,root) %{_bindir}/mandown