%global pkg ecryptfs

%global driver_version 4.18.0-305.el8

%global kernel_version 4.18.0-348.el8

%global _use_internal_dependency_generator 0
%global __find_requires /usr/lib/rpm/redhat/find-requires
%global __find_provides /usr/lib/rpm/redhat/find-provides

%global debug_package %{nil}

%global __spec_install_post \
  %{?__debug_package:%{__debug_install_post}} \
  %{__arch_install_post} \
  %{__os_install_post} \
  %{__mod_compress_install_post}

%global __mod_compress_install_post find %{buildroot}/lib/modules -type f -name \*.ko -exec xz \{\} \\;


Name:             kmod-%{pkg}
Version:          4.18.0.305
Release:          3%{?dist}
Summary:          Encrypted filesystem that operates on the VFS layer

License:          GPLv2 and GPLv2+
URL:              https://www.kernel.org/

Source0:          %{pkg}-%{driver_version}.tar.xz
Patch1:           0001-ecryptfs_rename-verify-that-lower-dentries-are-still.patch
Patch2:           0002-crypto-shash-remove-shash_desc-flags.patch
Patch3:           0003-eCryptfs-fix-a-couple-type-promotion-bugs.patch
Patch4:           0004-eCryptfs-fix-permission-denied-with-ecryptfs_xattr-m.patch
Patch5:           0005-ecryptfs-fix-unlink-and-rmdir-in-face-of-underlying-.patch
Patch6:           0006-ecryptfs_lookup_interpose-lower_dentry-d_inode-is-no.patch
Patch7:           0007-ecryptfs_lookup_interpose-lower_dentry-d_parent-is-n.patch
Patch8:           0008-ecryptfs-fix-a-memory-leak-bug-in-parse_tag_1_packet.patch
Patch9:           0009-ecryptfs-fix-a-memory-leak-bug-in-ecryptfs_init_mess.patch
Patch10:          0010-ecryptfs-fix-kernel-panic-with-null-dev_name.patch
Patch11:          0011-fs-ecryptfs-remove-BUG_ON-from-crypt_scatterlist.patch
Patch9999:        9999-enable-ecryptfs.patch

ExclusiveArch:    x86_64 aarch64 ppc64le

BuildRequires:    elfutils-libelf-devel
BuildRequires:    gcc
BuildRequires:    kernel-rpm-macros
BuildRequires:    kmod
BuildRequires:    make
BuildRequires:    redhat-rpm-config
BuildRequires:    xz

BuildRequires:    kernel-abi-stablelists = %{kernel_version}
BuildRequires:    kernel-devel = %{kernel_version}
BuildRequires:    kernel-devel-uname-r = %{kernel_version}.%{_arch}

Requires:         kernel >= %{kernel_version}
Requires:         kernel-uname-r >= %{kernel_version}.%{_arch}
Requires:         kernel-modules >= %{kernel_version}
Requires:         kernel-modules-uname-r >= %{kernel_version}.%{_arch}

Provides:         installonlypkg(kernel-module)
Provides:         kernel-modules >= %{kernel_version}.%{_arch}

Requires(post):   %{_sbindir}/depmod
Requires(postun): %{_sbindir}/depmod

Requires(post):   %{_sbindir}/weak-modules
Requires(postun): %{_sbindir}/weak-modules

Supplements:      ecryptfs-utils
Recommends:       ecryptfs-utils


%if "%{version}" == "4.18.0.305" && "%{release}" == "2%{?dist}"
Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-1%{?dist}
%endif

%if "%{version}" == "4.18.0.305" && "%{release}" == "3%{?dist}"
Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-1%{?dist}
Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-2%{?dist}
%endif


%description
This package provides the required kernel module (ecryptfs) to mount devices
formatted with the Encrypted filesystem that operates on the VFS layer.


%prep
%autosetup -p1 -n %{pkg}-%{driver_version}


%build
pushd src
%{__make} -C /usr/src/kernels/%{kernel_version}.%{_arch} %{?_smp_mflags} M=$PWD modules
popd


%install
%{__install} -D -t %{buildroot}/lib/modules/%{kernel_version}.%{_arch}/extra/fs/%{pkg} src/%{pkg}.ko

# Make .ko objects temporarily executable for automatic stripping
find %{buildroot}/lib/modules -type f -name \*.ko -exec chmod u+x \{\} \+


%clean
%{__rm} -rf %{buildroot}


%post
mkdir -p %{_localstatedir}/lib/rpm-state/sig-kmods
printf '%s\n' "/lib/modules/%{kernel_version}.%{_arch}/extra/fs/%{pkg}/%{pkg}.ko.xz" >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add


%preun
mkdir -p %{_localstatedir}/lib/rpm-state/sig-kmods
rpm -ql kmod-%{pkg}-%{?epoch:%{epoch}:}%{version}-%{release}.%{_arch} | grep '/lib/modules/%{kernel_version}.%{_arch}/.*\.ko\.xz$' >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove


%postun
if [ -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove ]
then
    modules=( $(cat %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove) )
    rm -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove
    rmdir --ignore-fail-on-non-empty %{_localstatedir}/lib/rpm-state/sig-kmods
    printf '%s\n' "${modules[@]}" | %{_sbindir}/weak-modules --remove-modules
fi


%pretrans -p <lua>
posix.unlink("%{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add")
posix.unlink("%{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove")


%posttrans
if [ -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add ]
then
    modules=( $(cat %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add) )
    rm -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add
    rmdir --ignore-fail-on-non-empty %{_localstatedir}/lib/rpm-state/sig-kmods
    printf '%s\n' "${modules[@]}" | %{_sbindir}/weak-modules --add-modules
fi


%files
%defattr(644,root,root,755)
/lib/modules/%{kernel_version}.%{_arch}
%license LICENSES


%changelog
* Thu Jan 27 2022 Peter Georg <peter.georg@physik.uni-regensburg.de> - 4.18.0.305-3
- Add obsoletes for update path

* Sat Jan 22 2022 Peter Georg <peter.georg@physik.uni-regensburg.de> - 4.18.0.305-2
- Enable ppc64le

* Wed Jan 12 2022 Kmods SIG <sig-kmods@centosproject.org> - 4.18.0.305-1
- Switch to EL kernel source and versioning
- kABI tracking kmod package (kernel >= 4.18.0-348.el8)