471 lines
15 KiB
RPMSpec
471 lines
15 KiB
RPMSpec
# A spec file for building xenlinux Dom0 kernel for Qubes
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# Based on the Open SUSE kernel-spec & Fedora kernel-spec.
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#
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%if 0%{?qubes_builder}
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%define _sourcedir %(pwd)
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%endif
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#%define _unpackaged_files_terminate_build 0
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%define variant pvops.qubes
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%define plainrel %(cat rel)
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%define rel %{plainrel}.%{variant}
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%define version %(cat version)
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%define _buildshell /bin/bash
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%define build_xen 1
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%global cpu_arch x86_64
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%define cpu_arch_flavor %cpu_arch
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%define kernelrelease %(echo %{version} | sed 's/^3\\.[0-9]\\+$/\\0.0/')-%rel.%cpu_arch
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%define my_builddir %_builddir/%{name}-%{version}
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%define build_src_dir %my_builddir/linux-%version
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%define src_install_dir /usr/src/kernels/%kernelrelease
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%define kernel_build_dir %my_builddir/linux-obj
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%define vm_install_dir /var/lib/qubes/vm-kernels/%version-%{plainrel}
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%(chmod +x %_sourcedir/{guards,apply-patches,check-for-config-changes})
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%define install_vdso 1
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%define debuginfodir /usr/lib/debug
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# If you want to build debuginfo package, enable also CONFIG_DEBUG_INFO in %%setup section
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# Otherwise debuginfo build is disabled by default to save disk space (it needs 2-3GB build time)
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%global debug_package %{nil}
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Name: kernel
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Summary: The Xen Kernel
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Version: %{version}
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Epoch: 1000
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Release: %{rel}
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License: GPL v2 only
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Group: System/Kernel
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Url: http://www.kernel.org/
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AutoReqProv: on
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BuildRequires: coreutils module-init-tools sparse
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BuildRequires: qubes-kernel-vm-support
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BuildRequires: dracut
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BuildRequires: busybox
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BuildRequires: bc
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Provides: multiversion(kernel)
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Provides: %name = %kernelrelease
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Provides: kernel-xen-dom0
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Provides: kernel-qubes-dom0
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Provides: kernel-qubes-dom0-pvops
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Provides: kernel-drm = 4.3.0
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Provides: kernel-drm-nouveau = 16
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Provides: kernel-modules-extra = %kernelrelease
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Provides: kernel-modeset = 1
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Requires(pre): coreutils gawk
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Requires(post): dracut binutils
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Requires: qubes-core-dom0-linux-kernel-install
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Conflicts: sysfsutils < 2.0
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# root-lvm only works with newer udevs
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Conflicts: udev < 118
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Conflicts: lvm2 < 2.02.33
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Provides: kernel = %kernelrelease
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Provides: kernel-uname-r = %kernelrelease
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Source0: linux-%version.tar.xz
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Source14: series.conf
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Source16: guards
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Source17: apply-patches
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Source33: check-for-config-changes
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Source100: config
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# FIXME: Including dirs this way does NOT produce proper src.rpms
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Source204: patches.rpmify
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Source205: patches.xen
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Source300: patches.qubes
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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ExclusiveArch: x86_64
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%description
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Qubes Dom0 kernel.
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%prep
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if ! [ -e %_sourcedir/linux-%version.tar.xz ]; then
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echo "The %name-%version.nosrc.rpm package does not contain the" \
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"complete sources. Please install kernel-source-%version.src.rpm."
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exit 1
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fi
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SYMBOLS="xen-dom0 pvops"
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# Unpack all sources and patches
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%setup -q -c -T -a 0
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mkdir -p %kernel_build_dir
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cd linux-%version
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if [ -r %_sourcedir/series-%{version}.conf ]; then
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%_sourcedir/apply-patches %_sourcedir/series-%{version}.conf %_sourcedir $SYMBOLS
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else
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%_sourcedir/apply-patches %_sourcedir/series.conf %_sourcedir $SYMBOLS
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fi
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cd %kernel_build_dir
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if [ -f %_sourcedir/config-%{version} ]; then
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cp %_sourcedir/config-%{version} .config
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else
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cp %_sourcedir/config .config
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fi
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%build_src_dir/scripts/config \
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--set-str CONFIG_LOCALVERSION -%release.%cpu_arch \
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--disable CONFIG_DEBUG_INFO
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# --enable CONFIG_DEBUG_INFO \
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# --disable CONFIG_DEBUG_INFO_REDUCED
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# Enabling CONFIG_DEBUG_INFO produces *huge* packages!
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MAKE_ARGS="$MAKE_ARGS -C %build_src_dir O=$PWD"
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if test -e %_sourcedir/TOLERATE-UNKNOWN-NEW-CONFIG-OPTIONS; then
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yes '' | make oldconfig $MAKE_ARGS
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else
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cp .config .config.orig
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make silentoldconfig $MAKE_ARGS < /dev/null
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%_sourcedir/check-for-config-changes .config.orig .config
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rm .config.orig
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fi
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make prepare $MAKE_ARGS
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make scripts $MAKE_ARGS
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make scripts_basic $MAKE_ARGS
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krel=$(make -s kernelrelease $MAKE_ARGS)
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if [ "$krel" != "%kernelrelease" ]; then
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echo "Kernel release mismatch: $krel != %kernelrelease" >&2
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exit 1
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fi
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make clean $MAKE_ARGS
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rm -f source
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find . ! -type d -printf '%%P\n' > %my_builddir/obj-files
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u2mfn_ver=`dkms status u2mfn|tail -n 1|cut -f 2 -d ' '|tr -d ':,:'`
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rm -rf %_builddir/u2mfn
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cp -r /usr/src/u2mfn-$u2mfn_ver %_builddir/u2mfn
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%build
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cd %kernel_build_dir
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# This override tweaks the kernel makefiles so that we run debugedit on an
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# object before embedding it. When we later run find-debuginfo.sh, it will
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# run debugedit again. The edits it does change the build ID bits embedded
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# in the stripped object, but repeating debugedit is a no-op. We do it
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# beforehand to get the proper final build ID bits into the embedded image.
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# This affects the vDSO images in vmlinux, and the vmlinux image in bzImage.
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export AFTER_LINK=\
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'sh -xc "/usr/lib/rpm/debugedit -b $$RPM_BUILD_DIR -d /usr/src/debug \
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-i $@ > $@.id"'
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make %{?_smp_mflags} all $MAKE_ARGS CONFIG_DEBUG_SECTION_MISMATCH=y
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# Build u2mfn module
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make -C %kernel_build_dir M=%_builddir/u2mfn modules
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%install
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# get rid of /usr/lib/rpm/brp-strip-debug
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# strip removes too much from the vmlinux ELF binary
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export NO_BRP_STRIP_DEBUG=true
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export STRIP_KEEP_SYMTAB='*/vmlinux-*'
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# /lib/modules/%kernelrelease-%build_flavor/build will be a stale symlink until the
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# kernel-devel package is installed. Don't check for stale symlinks
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# in the brp-symlink check:
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export NO_BRP_STALE_LINK_ERROR=yes
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cd %kernel_build_dir
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mkdir -p %buildroot/boot
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cp -p System.map %buildroot/boot/System.map-%kernelrelease
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cp -p arch/x86/boot/bzImage %buildroot/boot/vmlinuz-%kernelrelease
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cp .config %buildroot/boot/config-%kernelrelease
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%if %install_vdso
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# Install the unstripped vdso's that are linked in the kernel image
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make vdso_install $MAKE_ARGS INSTALL_MOD_PATH=%buildroot
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%endif
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# Create a dummy initramfs with roughly the size the real one will have.
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# That way, rpm will know that this package requires some additional
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# space in /boot.
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dd if=/dev/zero of=%buildroot/boot/initramfs-%kernelrelease.img \
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bs=1M count=20
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gzip -c9 < Module.symvers > %buildroot/boot/symvers-%kernelrelease.gz
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make modules_install $MAKE_ARGS INSTALL_MOD_PATH=%buildroot
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make modules_install $MAKE_ARGS INSTALL_MOD_PATH=%buildroot M=%_builddir/u2mfn
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mkdir -p %buildroot/%src_install_dir
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rm -f %buildroot/lib/modules/%kernelrelease/build
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rm -f %buildroot/lib/modules/%kernelrelease/source
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mkdir -p %buildroot/lib/modules/%kernelrelease/build
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(cd %buildroot/lib/modules/%kernelrelease ; ln -s build source)
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# dirs for additional modules per module-init-tools, kbuild/modules.txt
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mkdir -p %buildroot/lib/modules/%kernelrelease/extra
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mkdir -p %buildroot/lib/modules/%kernelrelease/updates
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mkdir -p %buildroot/lib/modules/%kernelrelease/weak-updates
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pushd %build_src_dir
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cp --parents `find -type f -name "Makefile*" -o -name "Kconfig*"` %buildroot/lib/modules/%kernelrelease/build
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cp -a scripts %buildroot/lib/modules/%kernelrelease/build
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cp -a --parents arch/x86/include %buildroot/lib/modules/%kernelrelease/build/
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cp -a include %buildroot/lib/modules/%kernelrelease/build/include
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popd
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cp Module.symvers %buildroot/lib/modules/%kernelrelease/build
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cp System.map %buildroot/lib/modules/%kernelrelease/build
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if [ -s Module.markers ]; then
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cp Module.markers %buildroot/lib/modules/%kernelrelease/build
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fi
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rm -rf %buildroot/lib/modules/%kernelrelease/build/Documentation
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cp .config %buildroot/lib/modules/%kernelrelease/build
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rm -f %buildroot/lib/modules/%kernelrelease/build/scripts/*.o
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rm -f %buildroot/lib/modules/%kernelrelease/build/scripts/*/*.o
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cp -a scripts/* %buildroot/lib/modules/%kernelrelease/build/scripts/
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cp -a include/* %buildroot/lib/modules/%kernelrelease/build/include/
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cp -a --parents arch/x86/include/* %buildroot/lib/modules/%kernelrelease/build/
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# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
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cp %buildroot/lib/modules/%kernelrelease/build/.config %buildroot/lib/modules/%kernelrelease/build/include/config/auto.conf
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# Make sure the Makefile and version.h have a matching timestamp so that
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# external modules can be built
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touch -r %buildroot/lib/modules/%kernelrelease/build/Makefile %buildroot/lib/modules/%kernelrelease/build/include/generated/uapi/linux/version.h
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touch -r %buildroot/lib/modules/%kernelrelease/build/.config %buildroot/lib/modules/%kernelrelease/build/include/config/auto.conf
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if test -s vmlinux.id; then
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cp vmlinux.id %buildroot/lib/modules/%kernelrelease/build/vmlinux.id
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else
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echo >&2 "*** WARNING *** no vmlinux build ID! ***"
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fi
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#
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# save the vmlinux file for kernel debugging into the kernel-debuginfo rpm
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#
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mkdir -p %buildroot%{debuginfodir}/lib/modules/%kernelrelease
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cp vmlinux %buildroot%{debuginfodir}/lib/modules/%kernelrelease
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find %buildroot/lib/modules/%kernelrelease -name "*.ko" -type f >modnames
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# mark modules executable so that strip-to-file can strip them
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xargs --no-run-if-empty chmod u+x < modnames
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# Generate a list of modules for block and networking.
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fgrep /drivers/ modnames | xargs --no-run-if-empty nm -upA |
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sed -n 's,^.*/\([^/]*\.ko\): *U \(.*\)$,\1 \2,p' > drivers.undef
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collect_modules_list()
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{
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sed -r -n -e "s/^([^ ]+) \\.?($2)\$/\\1/p" drivers.undef |
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LC_ALL=C sort -u > %buildroot/lib/modules/%kernelrelease/modules.$1
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}
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collect_modules_list networking \
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'register_netdev|ieee80211_register_hw|usbnet_probe'
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collect_modules_list block \
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'ata_scsi_ioctl|scsi_add_host|scsi_add_host_with_dma|blk_init_queue|register_mtd_blktrans|scsi_esp_register|scsi_register_device_handler'
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collect_modules_list drm \
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'drm_open|drm_init'
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collect_modules_list modesetting \
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'drm_crtc_init'
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# detect missing or incorrect license tags
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rm -f modinfo
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while read i
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do
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echo -n "${i#%buildroot/lib/modules/%kernelrelease/} " >> modinfo
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/sbin/modinfo -l $i >> modinfo
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done < modnames
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egrep -v \
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'GPL( v2)?$|Dual BSD/GPL$|Dual MPL/GPL$|GPL and additional rights$' \
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modinfo && exit 1
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rm -f modinfo modnames
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# Move the devel headers out of the root file system
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mkdir -p %buildroot/usr/src/kernels
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mv %buildroot/lib/modules/%kernelrelease/build/* %buildroot/%src_install_dir/
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mv %buildroot/lib/modules/%kernelrelease/build/.config %buildroot/%src_install_dir
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rmdir %buildroot/lib/modules/%kernelrelease/build
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ln -sf %src_install_dir %buildroot/lib/modules/%kernelrelease/build
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# Abort if there are any undefined symbols
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msg="$(/sbin/depmod -F %buildroot/boot/System.map-%kernelrelease \
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-b %buildroot -ae %kernelrelease 2>&1)"
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if [ $? -ne 0 ] || echo "$msg" | grep 'needs unknown symbol'; then
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exit 1
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fi
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# in case of no firmware built - place empty dir
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mkdir -p %buildroot/lib/firmware
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mv %buildroot/lib/firmware %buildroot/lib/firmware-all
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mkdir -p %buildroot/lib/firmware
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mv %buildroot/lib/firmware-all %buildroot/lib/firmware/%kernelrelease
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# Prepare initramfs for Qubes VM
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mkdir -p %buildroot/%vm_install_dir
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/sbin/dracut --nomdadmconf --nolvmconf \
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--kmoddir %buildroot/lib/modules/%kernelrelease \
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--modules "kernel-modules qubes-vm-simple" \
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--conf /dev/null --confdir /var/empty \
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-d "xenblk xen-blkfront cdrom ext4 jbd2 crc16 dm_snapshot" \
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%buildroot/%vm_install_dir/initramfs %kernelrelease
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cp -p arch/x86/boot/bzImage %buildroot/%vm_install_dir/vmlinuz
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# Modules for Qubes VM
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mkdir -p %buildroot%vm_install_dir/modules
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cp -a %buildroot/lib/modules/%kernelrelease %buildroot%vm_install_dir/modules/
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mkdir -p %buildroot%vm_install_dir/modules/firmware
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cp -a %buildroot/lib/firmware/%kernelrelease %buildroot%vm_install_dir/modules/firmware/
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# remove files that will be auto generated by depmod at rpm -i time
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for i in alias alias.bin ccwmap dep dep.bin ieee1394map inputmap isapnpmap ofmap pcimap seriomap symbols symbols.bin usbmap
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do
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rm -f %buildroot/lib/modules/%kernelrelease/modules.$i
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done
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%post
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/sbin/depmod -a %{kernelrelease}
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%posttrans
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/bin/kernel-install add %{kernelrelease} /boot/vmlinuz-%{kernelrelease} || exit $?
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# grubby (used by new-kernel-pkg) do not understand xen entries in grub2 config
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if [ -x /sbin/new-kernel-pkg -a -e /boot/grub2/grub.cfg ]; then
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grub2-mkconfig > /boot/grub2/grub.cfg
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fi
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%preun
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/bin/kernel-install remove %{kernelrelease} /boot/vmlinuz-%{kernelrelease} || exit $?
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%files
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%defattr(-, root, root)
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%ghost /boot/initramfs-%{kernelrelease}.img
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/boot/System.map-%{kernelrelease}
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/boot/config-%{kernelrelease}
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/boot/symvers-%kernelrelease.gz
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%attr(0644, root, root) /boot/vmlinuz-%{kernelrelease}
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/lib/firmware/%{kernelrelease}
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/lib/modules/%{kernelrelease}
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%package devel
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Summary: Development files necessary for building kernel modules
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License: GPL v2 only
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Group: Development/Sources
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Provides: multiversion(kernel)
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Provides: %name-devel = %kernelrelease
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Provides: kernel-devel-uname-r = %kernelrelease
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AutoReqProv: on
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%description devel
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This package contains files necessary for building kernel modules (and
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kernel module packages) against the kernel.
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%post devel
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if [ -f /etc/sysconfig/kernel ]
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then
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. /etc/sysconfig/kernel || exit $?
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fi
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if [ "$HARDLINK" != "no" -a -x /usr/sbin/hardlink ]
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then
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(cd /usr/src/kernels/%{kernelrelease} &&
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/usr/bin/find . -type f | while read f; do
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hardlink -c /usr/src/kernels/*.fc*.*/$f $f
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done)
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fi
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%files devel
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%defattr(-,root,root)
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/usr/src/kernels/%{kernelrelease}
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%package qubes-vm
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Summary: The Xen Kernel
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Version: %{version}
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Release: %{rel}
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License: GPL v2 only
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Group: System/Kernel
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Url: http://www.kernel.org/
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AutoReqProv: on
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BuildRequires: coreutils module-init-tools sparse
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Provides: multiversion(kernel-qubes-vm)
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Provides: kernel-xen-domU
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Provides: kernel-qubes-domU
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Requires(pre): coreutils gawk
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Requires(post): dracut
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Requires(post): qubes-core-dom0
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Conflicts: sysfsutils < 2.0
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# root-lvm only works with newer udevs
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Conflicts: udev < 118
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Conflicts: lvm2 < 2.02.33
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Provides: kernel-qubes-vm = %kernelrelease
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%description qubes-vm
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Qubes domU kernel.
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%post qubes-vm
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mkdir /tmp/qubes-modules-%kernelrelease
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truncate -s 400M /tmp/qubes-modules-%kernelrelease.img
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mkfs -t ext3 -F /tmp/qubes-modules-%kernelrelease.img > /dev/null
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mount /tmp/qubes-modules-%kernelrelease.img /tmp/qubes-modules-%kernelrelease -o loop
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cp -a -t /tmp/qubes-modules-%kernelrelease %vm_install_dir/modules/%kernelrelease
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mkdir /tmp/qubes-modules-%kernelrelease/firmware
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cp -a -t /tmp/qubes-modules-%kernelrelease/firmware %vm_install_dir/modules/firmware/%kernelrelease
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umount /tmp/qubes-modules-%kernelrelease
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rmdir /tmp/qubes-modules-%kernelrelease
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mv /tmp/qubes-modules-%kernelrelease.img %vm_install_dir/modules.img
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# If qubes-prefs isn't installed yet, the default kernel will be set by %post
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# of qubes-core-dom0
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type qubes-prefs &>/dev/null && qubes-prefs --set default-kernel %version-%plainrel
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exit 0
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%preun qubes-vm
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if [ "`qubes-prefs -g default-kernel`" == "%version-%plainrel" ]; then
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echo "This kernel version is set as default VM kernel, cannot remove"
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exit 1
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fi
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if qvm-ls --kernel | grep -qw "%version-%plainrel"; then
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echo "This kernel version is used by at least one VM, cannot remove"
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exit 1
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fi
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exit 0
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%files qubes-vm
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%defattr(-, root, root)
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%dir %vm_install_dir
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%ghost %attr(0644, root, root) %vm_install_dir/modules.img
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%attr(0644, root, root) %vm_install_dir/initramfs
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%attr(0644, root, root) %vm_install_dir/vmlinuz
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%vm_install_dir/modules
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%changelog
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