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kpatch-build: simplify distro support

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Rather than adding yet another set of conditionals to handle the Anolis
OS distribution, refactor the SUPPORTED_DISTROS code using an
associative array.  The array is keyed by the short distro name, and
contains the longer distribution description.

Signed-off-by: Wardenjohn<zhangwarden@gmail.com>
This commit is contained in:
zhangyongde.zyd 2024-01-17 12:45:12 +08:00
parent 8513926844
commit 89c494f023
1 changed files with 39 additions and 13 deletions
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52
kpatch-build/kpatch-build
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@ -65,6 +65,20 @@ LLD="${CROSS_COMPILE:-}ld.lld"
READELF="${CROSS_COMPILE:-}readelf"
OBJCOPY="${CROSS_COMPILE:-}objcopy"
declare -rA SUPPORTED_DEB_DISTROS=(
["debian"]="Debian OS"
["ubuntu"]="Ubuntu OS")
declare -rA SUPPORTED_RPM_DISTROS=(
["centos"]="CentOS"
["fedora"]="Fedora"
["openEuler"]="OpenEuler"
["ol"]="Oracle"
["photon"]="Photon OS"
["rhel"]="RHEL")
warn() {
echo "ERROR: $1" >&2
}
@ -649,6 +663,25 @@ module_name_string() {
echo "${1//[^a-zA-Z0-9_-]/-}" | cut -c 1-55
}
is_supported_deb_distro(){
[[ -n "${SUPPORTED_DEB_DISTROS[$1]:-}" ]]
}
is_supported_rpm_distro(){
[[ -n "${SUPPORTED_RPM_DISTROS[$1]:-}" ]]
}
print_supported_distro(){
if is_supported_deb_distro "$DISTRO"; then
echo "${SUPPORTED_DEB_DISTROS[$DISTRO]} distribution detected"
elif is_supported_rpm_distro "$DISTRO"; then
echo "${SUPPORTED_RPM_DISTROS[$DISTRO]} distribution detected"
else
echo "$DISTRO is not supported"
fi
}
usage() {
echo "usage: $(basename "$0") [options] <patch1 ... patchN>" >&2
echo " patchN Input patchfile(s)" >&2
@ -865,16 +898,14 @@ fi
[[ -z "$TARGETS" ]] && TARGETS="vmlinux modules"
if [[ "$DISTRO" = fedora ]] || [[ "$DISTRO" = rhel ]] || [[ "$DISTRO" = ol ]] ||
[[ "$DISTRO" = centos ]] || [[ "$DISTRO" = openEuler ]] ||
[[ "$DISTRO" = photon ]]; then
if is_supported_rpm_distro "$DISTRO"; then
[[ -z "$VMLINUX" ]] && VMLINUX="/usr/lib/debug/lib/modules/$ARCHVERSION/vmlinux"
[[ -e "$VMLINUX" ]] || die "kernel-debuginfo-$ARCHVERSION not installed"
export PATH="/usr/lib64/ccache:$PATH"
elif [[ "$DISTRO" = ubuntu ]] || [[ "$DISTRO" = debian ]]; then
elif is_supported_deb_distro "$DISTRO"; then
[[ -z "$VMLINUX" ]] && VMLINUX="/usr/lib/debug/boot/vmlinux-$ARCHVERSION"
if [[ "$DISTRO" = ubuntu ]]; then
@ -906,14 +937,9 @@ elif [[ -e "$KERNEL_SRCDIR"/.config ]] && [[ -e "$VERSIONFILE" ]] && [[ "$(cat "
echo "Using cache at $KERNEL_SRCDIR"
else
if [[ "$DISTRO" = fedora ]] || [[ "$DISTRO" = rhel ]] || [[ "$DISTRO" = ol ]] || [[ "$DISTRO" = centos ]] || [[ "$DISTRO" = openEuler ]] || [[ "$DISTRO" = photon ]]; then
if is_supported_rpm_distro "$DISTRO"; then
[[ "$DISTRO" = fedora ]] && echo "Fedora distribution detected"
[[ "$DISTRO" = rhel ]] && echo "RHEL distribution detected"
[[ "$DISTRO" = ol ]] && echo "Oracle Linux distribution detected"
[[ "$DISTRO" = centos ]] && echo "CentOS distribution detected"
[[ "$DISTRO" = openEuler ]] && echo "OpenEuler distribution detected"
[[ "$DISTRO" = photon ]] && echo "Photon OS distribution detected"
print_supported_distro "$DISTRO"
clean_cache
@ -1009,9 +1035,9 @@ else
(cd "$KERNEL_SRCDIR" && make mrproper 2>&1 | logger) || die
elif [[ "$DISTRO" = ubuntu ]] || [[ "$DISTRO" = debian ]]; then
elif is_supported_deb_distro "$DISTRO"; then
echo "Debian/Ubuntu distribution detected"
print_supported_distro "$DISTRO"
if [[ "$DISTRO" = ubuntu ]]; then