/usr/share/ltsp/plugins/ltsp-build-client/Debian/020-kernel-selection is in ltsp-server 5.4.2-6+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | case "$MODE" in
commandline)
add_option "kernel-packages" "`eval_gettext "set the list of kernel packages to install"`" "advanced" "true"
add_option "kernel-variant" "`eval_gettext "set the kernel variant to install"`" "advanced" "true"
add_option "kernel-version" "`eval_gettext "set the kernel version to install"`" "advanced" "true"
;;
configure)
if [ -n "$option_kernel_packages_value" ]; then
KERNEL_PACKAGES="$(echo $option_kernel_packages_value | tr ',' ' ')"
fi
if [ -n "$option_kernel_variant_value" ]; then
KERNEL_VARIANT="$(echo $option_kernel_variant_value | tr ',' ' ')"
fi
if [ -n "$option_kernel_version_value" ]; then
KERNEL_VERSION="$(echo $option_kernel_version_value | tr ',' ' ')"
fi
;;
before-install)
if [ -z "$KERNEL_PACKAGES" ]; then
# select a kernel
KERNEL_BASE="linux-image"
case $ARCH in
kfreebsd-*)
KERNEL_BASE="kfreebsd-image"
;;
esac
case $ARCH in
i386|kfreebsd-i386)
KERNEL_VARIANT="486"
;;
kfreebsd-amd64)
KERNEL_VARIANT="amd64"
;;
sparc) # only 64 bit kernel is supported in Debian Lenny+
KERNEL_VARIANT="sparc64"
;;
alpha)
KERNEL_VARIANT="alpha-generic"
;;
powerpc|amd64)
KERNEL_VARIANT="$ARCH"
;;
*)
# generic kernel unknown, select the running kernel
KERNEL_VERSION="$(uname -r)"
KERNEL_PACKAGES="$KERNEL_BASE-$KERNEL_VERSION"
if [ "$HOST_ARCH" != "$ARCH" ]; then
echo "ERROR: unable to determine cross-architecture kernel"
echo "please select kernel with with --kernel-packages"
exit 1
fi
;;
esac
if [ -z "$KERNEL_PACKAGES" ]; then
test -n "$KERNEL_VERSION" && KERNEL_BASE="$KERNEL_BASE-$KERNEL_VERSION"
test -n "$KERNEL_VARIANT" && KERNEL_PACKAGES="$KERNEL_BASE-$KERNEL_VARIANT"
fi
fi
test -n "$KERNEL_PACKAGES" && LATE_PACKAGES="$LATE_PACKAGES $KERNEL_PACKAGES"
;;
esac
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