%global forgeurl https://github.com/amnezia-vpn/amneziawg-linux-kernel-module
%global version 1.0
%global commit b96e12d00112dbee9d51d18d8438aa991cec0f6a
%global date 20251019
%global source_date_epoch_from_changelog 0
%forgemeta
%global debug_package %{nil}

Name:           amneziawg-dkms
Version:        %{forgeversion}
Release:        %{autorelease}
URL:            %{forgeurl}
Summary:AmneziaWG VPN kernel module
License:        GPL-2.0-or-later
Group:          System Environment/Kernel
BuildArch:      noarch

Source0:        %{forgesource}

BuildRequires:  kernel-devel
BuildRequires:  sed
BuildRequires:  make
BuildRequires:  bc

Provides:       kmod(amneziawg.ko) = %{version}-%{release}
Requires:       dkms
Requires:       kernel-devel
Requires:       make
Requires:       bc
Requires:       yum-utils
Requires:       rpm-build
Requires:       python3-devel
Requires:       git-core

%description
AmneziaWG is a VPN solution with traffic obfuscation.
It is based on WireGuard and relies on UDP.
This package provides the DKMS component.

%prep
%forgesetup

# Fix the Makefile for CentOS7 since it ships coreutils from 2013.
sed -i 's/install .* -D -t\(.\+\) /mkdir -p \1 \&\& \0/' %{_builddir}/amneziawg-linux-kernel-module-%{commit}/src/Makefile

# Set version in dkms.conf and Makefile
sed -i "s/^PACKAGE_VERSION=.*/PACKAGE_VERSION=\"%{version}\"/" %{_builddir}/amneziawg-linux-kernel-module-%{commit}/src/dkms.conf
sed -i "s/^WIREGUARD_VERSION = .*/WIREGUARD_VERSION = %{version}/" %{_builddir}/amneziawg-linux-kernel-module-%{commit}/src/Makefile

%build

%install
mkdir -p %{buildroot}%{_usrsrc}/amneziawg-%{version}/
make DESTDIR=%{buildroot} DKMSDIR=%{_usrsrc}/amneziawg-%{version}/ \
    -C %{_builddir}/amneziawg-linux-kernel-module-%{commit}/src dkms-install

%post
dkms add -m amneziawg -v %{version} -q --rpm_safe_upgrade || :
dkms build -m amneziawg -v %{version} -q || :
dkms install -m amneziawg -v %{version} -q --force || :
echo "amneziawg-dkms-%{version}-%{release}" > /var/lib/dkms/amneziawg/%{version}/version

%preun
# Check if we are running an upgrade
if [ $1 -ne 0 ]; then
  WG_VERSION=$(dkms status amneziawg|grep installed|sort -r -V|awk '{print $2}'|cut -f1 -d,)
  if [ "$WG_VERSION" != "%{version}" ] ; then

    true

  else

    exit 0

  fi
fi

# If we are not running an upgrade then remove everything!
WG_VERSION_FILE=$(cat /var/lib/dkms/amneziawg/%{version}/version)
WG_RPM_VERSION=amneziawg-dkms-%{version}-%{release}
if [ "$WG_RPM_VERSION" = "$WG_VERSION_FILE" ]; then

    dkms remove -m amneziawg -v %{version} -q --all --rpm_safe_upgrade || :

fi

exit 0

%files
%{_usrsrc}/amneziawg-%{version}