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TencentOS-kernel/dist/scripts/lib-version.sh

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#!/bin/bash
#
# Version conversion helpers for building a TK kernel.
#
# shellcheck source=./lib.sh
. "$(dirname "$(realpath "$0")")/lib.sh"
## Autogenerated version pattern:
# <KERNEL_MAJVER>-<KERNEL_RELVER>.<KERNEL_DIST>
# KERNEL_MAJVER's format: <KVERSION>.<KPATCHLEVEL>.<KSUBLEVEL>
# It's the standdard upstream linux kernel release version,
# eg. 3.10.0; 5.4.119; 5.16.0
#
# KERNEL_RELVER's format: <REL>[.<SNAPSHOT>].<KEXTRAVERSION>
# If <REL> is 0, indicates it's a snapshot, unofficial release.
# If <REL> is >=1, indicates it the n'th release of that kernel version.
#
# KERNEL_DIST: <none>/tks/tlinux4/...
# Indicates this is a special build kernel.
# NOTE: This versioning script fully respects the git tag if tag's
# major kernel version matches the version numbers in kernel Makefile
# This naming style is compatible with Tencent Kernel public naming style.
# Take TK4 for example:
#
# Merge base: git describe --tag make install version Generate version:
# 5.4.119 (master) 5.4.119-1-tlinux4-0007 5.4.119-1 5.4.119-1-tlinux4-0007
# 5.4.119 (master) 5.4.119-1-tlinux4-0007-2-g884a77bf0ba6 5.4.119-1 5.4.119-0.20211115git1135ec008ef3.1-tlinux4-0007
# 5.4.119 (master) 5.4.119-1-tlinux4-0007.subrelease 5.4.119-1 5.4.119-1-tlinux4-0007.subrelease
# 5.4.119 (master) 5.4.119-1-tlinux4-0007~rc1 5.4.119-1 5.4.119-1-tlinux4-0007~rc1 (*)
#
# NOTE: Sometime TK4's release version may go backwards, it's a known issue we have to live with.
# TK4 used tag like 5.4.119-1-tlinux4-0007.prerelease to indicate a release candidate.
# You can check this with `rpmdev-vercmp`:
# $ rpmdev-vercmp 5.4.119-1-tlinux4-0007.prerelease 5.4.119-1-tlinux4-0007
# $ 5.4.119-1-tlinux4-0007.prerelease > 5.4.119-1-tlinux4-0007
# This means RPM thinks the release candidate is higher than the real release, to fix that,
# try use tilde symbol to indicate it's a RC.
## Macros and values:
# Standard four-part linux kernel version from kernel's Makefile
KVERSION=
KPATCHLEVEL=
KSUBLEVEL=
KEXTRAVERSION=
# Kernel dist release (eg. <none>/tks/tlinux4)
KDIST=
# KPREMERGEWINDOW: If we are building a commit in the first merge window
# In the first merge time window, after a formal kernel release, and before rc1 release of next kernel,
# the KPATCHLEVEL will be stuck in lower value, which confuses RPM in many ways. So just bump
# KSUBLEVEL upon build in such case.
#
# For example, after 5.15 release, and before 5.16, upstream will start merging features for 5.16
# without bumping KPATCHLEVEL, which is stuck in 15.
# As now our build will be newer than 5.15 build, we have to make the version higher than 5.15
# To avoid conflict with 5.15 stable build like 5.15.Y-Z, we can't bump the Y part or Z part.
# So instead bump to 5.16 and mark it rc0 as 5.16.0-0.rc0. (Just as what Fedora does).
KPREMERGEWINDOW=
# KRCRELEASE: If we are building a rc-release
# KSNAPRELEASE: If we are building a snapshot-release
# Pre-release means we are building from an RC release
# Snap-release means we are building from an git commit without tag
export KRCRELEASE=
export KSNAPRELEASE=
export KTAGRELEASE=
# git snapshot versioning
KGIT_SNAPSHOT=
# Set if current commit is tagged with valid release info, force use it.
KGIT_FORCE_RELEAE=
# Set if current commit is tagged with a valid test tag name
KGIT_TESTBUILD_TAG=
# Release: Start from 1.0, indicate the release version, info embedded in git tag
KGIT_RELEASE=
KGIT_RELEASE_NUM=
KGIT_SUB_RELEASE_NUM=
### The formal kernel version and release
# Simulate `uname -r` output, which is always "$KVERSION.$KPATCHLEVEL.$KSUBLEVEL$KEXTRAVERSION"
export KERNEL_UNAMER=
# Basically: $KVERSION.$KPATCHLEVEL.$KSUBLEVEL (eg. 5.17.0, 5.16.3)
export KERNEL_MAJVER=
# Release version, may contain $KEXTRAVERSION (eg. 1, 0.rc0, 0.20220329gita11bf64a6e8f)
export KERNEL_RELVER=
# Kernel distro variable (eg. tks, tlinux4, <none>), with any leading "." or "-" removed
export KERNEL_DIST=
# Only used for make-release
export KERNEL_PREV_RELREASE_TAG=
# Get the tag of a git ref, if the git ref itself is a valid tag, just return itself
# else, search latest tag before this git ref.
_get_last_git_tag_of() {
local gitref=$1; shift
local last_tag tag
local tagged
for tag in $(git "$@" tag --points-at "$gitref"); do
tagged=1
last_tag="$tag"
if [[ "$last_tag" == "$gitref" ]]; then
break
fi
done
if [[ -z "$last_tag" ]]; then
tagged=0
last_tag=$(git "$@" describe --tags --abbrev=0 "$gitref" 2>/dev/null)
fi
echo "$last_tag"
return $tagged
}
# $1: git tag or git commit, defaults to HEAD
# $2: kernel source tree, should be a git repo
get_kernel_code_version() {
local gitref=${1:-HEAD}
local repo=${2:-$TOPDIR}
local makefile dist_makefile
makefile=$(git -C "$repo" show "$gitref:Makefile" 2>/dev/null || cat "$repo/Makefile")
dist_makefile=$(git -C "$repo" show "$gitref:$DISTPATH/Makefile" 2>/dev/null || cat "$repo/$DISTPAN/Makefile")
if [ ! "$makefile" ]; then
die "Error: Failed to read Makefile"
return 1
fi
KVERSION=$(sed -nE '/^VERSION\s*:?=\s*/{s///;p;q}' <<< "$makefile")
KPATCHLEVEL=$(sed -nE '/^PATCHLEVEL\s*:?=\s*/{s///;p;q}' <<< "$makefile")
KSUBLEVEL=$(sed -nE '/^SUBLEVEL\s*:?=\s*/{s///;p;q}' <<< "$makefile")
KEXTRAVERSION=$(sed -nE '/^EXTRAVERSION\s*:?=\s*/{s///;p;q}' <<< "$makefile")
if [[ -z "$KVERSION" ]] || [[ -z "$KPATCHLEVEL" ]] || [[ -z "$KSUBLEVEL" ]]; then
die "Invalid VERSION, PATCHLEVEL or SUBLEVEL in Makefile"
return 1
fi
# RC releases are always considered pre-release
if [[ "$KEXTRAVERSION" == "rc"* ]] || [[ $KEXTRAVERSION == "-rc"* ]]; then
KRCRELEASE=1
fi
KDIST=$(sed -nE '/^KDIST\s*:?=\s*/{s///;p;q}' <<< "$dist_makefile")
KERNEL_DIST="$KDIST"
return 0
}
_first_merge_window_detection() {
local gitref=${1:-HEAD}
local repo=${2:-$TOPDIR}
local upstream_base upstream_lasttag upstream_gitdesc
local tagged
# If KSUBLEVEL or KEXTRAVERSION is set, it's not in the first merge window of a major release
[[ $KSUBLEVEL -eq 0 ]] || return 1
[[ -n $KEXTRAVERSION ]] && return 1
[[ $upstream ]] || upstream="@{u}"
# Get latest merge base if forked from upstream to merge window detection
# merge window is an upstream-only thing
if upstream_base=$(git -C "$repo" merge-base "$gitref" "$upstream" 2>/dev/null); then
upstream_gitdesc=$(git -C "$repo" describe --tags --abbrev=12 "$upstream_base" 2>/dev/null)
upstream_lasttag=$(_get_last_git_tag_of "$upstream_base" -C "$repo")
tagged=$?
if \
# If last tag is an tagged upstream release
[[ $upstream_lasttag == v$KVERSION.$KPATCHLEVEL ]] && \
# And if merge base is ahead of the taggewd release
[[ "$tagged" -eq 1 ]]; then
# Then it's in first merge window
return 0
fi
else
warn "Not tracking a valid upstream, merge window detecting is disabled ."
fi
return 1
}
# Get release info from git tag
_get_rel_info_from_tag() {
local tag=$1 rel ret=0
if [[ $tag == *"$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"* ]]; then
rel=${tag#*"$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"}
elif [[ "$KSUBLEVEL" = "0" ]] && [[ $tag == *"$KVERSION.$KPATCHLEVEL"* ]]; then
rel=${tag#*"$KVERSION.$KPATCHLEVEL"}
elif [[ $KPREMERGEWINDOW ]] && [[ $tag == *"$KVERSION.$((KPATCHLEVEL + 1)).$KSUBLEVEL"* ]]; then
rel=${tag#*"$KVERSION.$((KPATCHLEVEL + 1)).$KSUBLEVEL"}
else
return 1
fi
rel=${rel#-}
rel=${rel#.}
local kextraversion=${KEXTRAVERSION#-}
if [[ -z "$kextraversion" ]]; then
# If previous KEXTRAVERSION is not empty but now empty,
# still consider it a valid release tag since release candidate mark may get dropped.
# But this really should look at the Makefile corresponding to that tag commit
:
elif [ "$kextraversion" -eq "$kextraversion" ] &>/dev/null; then
case $rel in
# Extra version is release number, ok
$kextraversion | "$kextraversion."* | "$kextraversion-"* ) ;;
* ) return 1; ;;
esac
else
# Remove RC liked tag, append them as suffix later.
case $rel in
# Plain version tag, eg. 5.17-rc3
$kextraversion )
rel=""
;;
# Plain version tag plus suffix, eg. 5.17-rc3-*
"$kextraversion."* | "$kextraversion-"* )
rel=${rel#$kextraversion}
rel=${rel#-}
rel=${rel#.}
;;
# Extra tag, eg 5.17-1.rc3*
*".$kextraversion"* | *"-$kextraversion"* ) ;;
* ) return 1; ;;
esac
fi
if [[ $rel ]]; then
echo "${rel/-/.}"
fi
}
_search_for_release_tag() {
local tag=$1
local repo=$2
# Look back for 5 commits for a valid tag
local limit=5
while :; do
limit=$((limit - 1))
if [[ $limit -le 0 ]] || ! tag=$(git -C "$repo" describe --tags --abbrev=0 "$tag^" 2>/dev/null); then
warn "No valid tag found that are eligible for versioning, please fix your repo and tag it properly."
return 1
fi
if _get_rel_info_from_tag "$tag" > /dev/null; then
echo "$tag"
return 0
fi
done
}
# Get release info from git tag
#
# We try to store the RPM NVR (Name, Version, Release) info's VR part in git tag
# N: is always kernel
# V: is kernel's major release version (eg. 5.18, 5.18.0, 5.17.2)
# R: is a tokens seperated with '.' (eg 1[.KDIST], 2[.KDIST], 2.1[.KDIST], 0.rc1[.KDIST])
# could also be 0.YYYYMMDDgit<commit> for snapshot release.
# But ideally all git tag are for formal release so snapshot tag shouldn't appear in repo.
#
# A tag that contains VR is considered a release tag.
#
# $1: git tag or git commit, defaults to HEAD
# $2: kernel source tree, should be a git repo
# $3: optional upstream branch, remote branch name current HEAD is tracking
get_kernel_git_version()
{
local gitref=${1:-HEAD}
local repo=${2:-$TOPDIR}
local upstream=${3:-"@{u}"}
local last_tag release_tag release_info git_desc
local tag tagged
# Get current commit's snapshot name, format: YYYYMMDDgit<commit>,
# or YYYYMMDD (Only if repo is missing, eg. running this script with tarball)
if ! KGIT_SNAPSHOT=$(git rev-parse --short=12 "$gitref" 2>/dev/null); then
warn "Invalid git reference '$gitref' or git repo is unavailable, versioning it as a dated snapshot"
KGIT_SNAPSHOT=$(date +"%Y%m%d")
KSNAPRELEASE=1
return
fi
KGIT_SNAPSHOT=$(date +"%Y%m%d")git$KGIT_SNAPSHOT
# Check if first merge-window, and set KPREMERGEWINDOW, see comment above about KPREMERGEWINDOW
if _first_merge_window_detection "$@"; then
KPREMERGEWINDOW=1
fi
# Get latest git tag of this commit
last_tag=$(_get_last_git_tag_of "$gitref" -C "$repo")
tagged=$?
# Check and get latest release git tag, in case current tag is a test tag
# (eg. current tag is fix_xxxx, rebase_test_xxxx, or user tagged for fun, and previous release tag is 5.18.0-1[.KDIST])
if _get_rel_info_from_tag "$last_tag" > /dev/null; then
# Latest tag is a release tag, just use it
release_tag=$last_tag
else
warn "Latest git tag '$last_tag' is not a release tag, it does't match Makefile version '$KVERSION.$KPATCHLEVEL.$KSUBLEVEL$KEXTRAVERSION'"
if release_tag=$(_search_for_release_tag "$last_tag" "$repo"); then
warn "Found release tag '$release_tag'."
fi
fi
if [[ "$release_tag" ]]; then
git_desc=$(git -C "$repo" describe --tags --abbrev=12 "$gitref" 2>/dev/null)
release_info=$(_get_rel_info_from_tag "$release_tag")
# Remove dist suffix, it'a always added for auto generated tag
KGIT_RELEASE=${release_info%".$KDIST"}
if ! [[ $release_info ]]; then
warn "No extra release info in release tag, might be a upstream tag." \
"Please make a release commit with 'make dist-release' for a formal release."
KGIT_RELEASE_NUM=0
KGIT_SUB_RELEASE_NUM=0
elif [[ $release_info == 0.* ]]; then
KGIT_RELEASE_NUM=${release_info##*.}
KGIT_RELEASE_NUM=${KGIT_RELEASE_NUM##*-}
KGIT_SUB_RELEASE_NUM=${release_info%."$KGIT_RELEASE_NUM"}
KGIT_SUB_RELEASE_NUM=${KGIT_SUB_RELEASE_NUM##*.}
else
KGIT_RELEASE_NUM=${release_info%%.*}
KGIT_RELEASE_NUM=${KGIT_RELEASE_NUM%%-*}
KGIT_SUB_RELEASE_NUM=${release_info#"$KGIT_RELEASE_NUM".}
KGIT_SUB_RELEASE_NUM=${KGIT_SUB_RELEASE_NUM%%.*}
fi
# Fix release numbers, if it's not a number
if ! [ "$KGIT_RELEASE_NUM" -eq "$KGIT_RELEASE_NUM" ] &>/dev/null; then
warn "Unrecognizable release number: $KGIT_RELEASE_NUM, resetting to 0"
KGIT_RELEASE_NUM=0
fi
if ! [ "$KGIT_SUB_RELEASE_NUM" -eq "$KGIT_SUB_RELEASE_NUM" ] &>/dev/null; then
KGIT_SUB_RELEASE_NUM=0
fi
if [[ "$tagged" -eq 1 ]] && [[ "$release_tag" == "$last_tag" ]]; then
if [[ $release_info ]] && [[ "$KGIT_RELEASE_NUM" -ne 0 ]]; then
# This commit is tagged and it's a valid release tag, juse use it
KGIT_FORCE_RELEAE=$release_info
KTAGRELEASE=$release_tag
fi
elif [[ "$last_tag" == "$git_desc" ]]; then
# A dumb assumption here, if it's not in *.* format (v5.4, 4.12.0, etc...) it's a test tag
if [[ $last_tag != v*.* ]] && [[ $last_tag != *.*.* ]]; then
warn "'$last_tag' looks like a test tag, using it as versioning suffix."
warn "Please tag properly for release build, now versioning it as a test build."
KGIT_TESTBUILD_TAG=testbuild.$last_tag
else
warn "'$last_tag' looks like a kernel release tag but out-of-sync with Makefile" \
"ignoring it and versioning as snapshot."
warn "Please tag properly for release build."
KSNAPRELEASE=1
fi
else
# Just a simple untagged commit, nothing special
KSNAPRELEASE=1
fi
KERNEL_PREV_RELREASE_TAG=$release_tag
else
KSNAPRELEASE=1
KGIT_RELEASE_NUM=0
fi
}
_prepare_kernel_ver() {
if ! get_kernel_code_version "$@"; then
return 1
fi
if ! get_kernel_git_version "$@"; then
return 1
fi
# Disable PRE-merge window detection for tagged commit,
# We want to following user provided tag strictly
if [[ ! $KGIT_FORCE_RELEAE ]]; then
if [[ $KPREMERGEWINDOW ]]; then
KPATCHLEVEL=$(( KPATCHLEVEL + 1 ))
fi
fi
}
### Generate a RPM friendly version based on kernel tag and commit info
#
# Examples:
# (Ignoring pre-release window detection, see comments about KPREMERGEWINDOW)
# (Also assume Makefile's kernel version info is all correct)
#
# git describe --tags Generated version (uname -r) Corresponding RPM version
# v5.18 5.18.0-0[.KDIST] kernel[-kdist]-5.18.0-0.rc1
# v5.18.0 5.18.0-0[.KDIST] kernel[-kdist]-5.18.0-0.rc1
# v5.18.1 5.18.1-0[.KDIST] kernel[-kdist]-5.18.1-0.rc1
# v5.18.0-1-gac28df2 5.18.0-0.20220428gitac28df2cd5d0[.KDIST] kernel[-kdist]-5.18.0-0.20220428gitac28df2cd5d0 *
# v5.18.0-3-g16cadc5 5.18.0-0.20220428git16cadc58d50c[.KDIST] kernel[-kdist]-5.18.0-0.20220428git16cadc58d50c *
# v5.18-rc1 5.18.0-0.rc1[.KDIST] kernel[-kdist]-5.18.0-0.rc1
# v5.18-rc1-1-g380a504 5.18.0-0.20220428git380a504e42d9.rc1[.KDIST] kernel[-kdist]-5.18.0-0.20220428git380a504e42d9.rc1
# 5.18.0-1[.KDIST] 5.18.0-1[.KDIST] kernel[-kdist]-5.18.0-1
# 5.18.12-3[.KDIST] 5.18.12-3[.KDIST] kernel[-kdist]-5.18.12-3
# 5.18.12-3[.KDIST]-5-g9318b03 5.18.12-0.20220428git9318b0349d5c.3[.KDIST] kernel[-kdist]-5.18.12-0.20220428git9318b0349d5c.3
# 5.18.0-12.rc1[.KDIST] 5.18.0-12.rc1[.KDIST] kernel[-kdist]-5.18.0-12.rc1
# 5.18.0-12[.KDIST]-2-g551f9cd 5.18.0-0.20220428git551f9cd79ece.12[.KDIST] kernel[-kdist]-5.18.0-0.20220428git551f9cd79ece.12
# x86-5.4.119-19-0010.prerelease 5.4.119-19-0010.prerelease kernel[-kdist]-5.4.119-19-0010.prerelease **
#
# * NOTE: random commit snapshot can't be versioning in non-decreasing since one can always amend/rebase, so only the date stamp matters now.
#
# As you may have noticed, release always start with '0' unless a git tag have release >= 1,
# The tag should be generated by other commands that comes later in this script.
prepare_kernel_ver() {
_prepare_kernel_ver "$@"
# If it's a tagged commit, and the release number in tag is non-zero, use that
if [[ $KGIT_FORCE_RELEAE ]]; then
KERNEL_MAJVER="$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"
KERNEL_RELVER="$KGIT_FORCE_RELEAE"
else
local krelease=0
if [[ $KSNAPRELEASE ]]; then
krelease=$krelease.$KGIT_SNAPSHOT
elif [[ $KGIT_RELEASE ]]; then
krelease=$krelease.$KGIT_RELEASE
fi
if [[ $KEXTRAVERSION ]]; then
krelease="$krelease.${KEXTRAVERSION##-}"
elif [[ $KPREMERGEWINDOW ]]; then
krelease="$krelease.rc0"
fi
if [[ $KGIT_TESTBUILD_TAG ]]; then
# '-' is not allowed in release name, but commonly used in tag
krelease="$krelease.${KGIT_TESTBUILD_TAG//-/_}"
fi
KERNEL_MAJVER="$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"
KERNEL_RELVER="$krelease${KDIST:+.$KDIST}"
fi
KERNEL_UNAMER="$KERNEL_MAJVER-$KERNEL_RELVER"
}
### Generate formal release version based on kernel tag and commit info
#
# Examples:
# (Ignoring pre-release window detection, see comments about KPREMERGEWINDOW)
# (Also assume Makefile's kernel version info is all correct)
#
# git describe --tags Generated Version (uname -r) Corresponding RPM version
# v5.18 5.18.0-1[.KDIST] kernel[-kdist]-5.18.0-1
# v5.18.0 5.18.0-1[.KDIST] kernel[-kdist]-5.18.0-1
# v5.18.1 5.18.1-1[.KDIST] kernel[-kdist]-5.18.1-1
# v5.18.0-1-gac28df2 5.18.0-1[.KDIST] kernel[-kdist]-5.18.0-1
# v5.18.0-3-g16cadc5 5.18.0-1[.KDIST] kernel[-kdist]-5.18.0-1
# v5.18-rc1 5.18.0-1.rc1[.KDIST] kernel[-kdist]-5.18.0-1.rc1
# v5.18-rc1-1-g380a504 5.18.0-1.rc1[.KDIST] kernel[-kdist]-5.18.0-1.rc1
# 5.18.0-1[.KDIST] 5.18.0-2[.KDIST] kernel[-kdist]-5.18.0-2
# 5.18.12-3[.KDIST] 5.18.12-4[.KDIST] kernel[-kdist]-5.18.12-4
# 5.18.12-3[.KDIST]-5-g9318b03 5.18.12-4[.KDIST] kernel[-kdist]-5.18.12-4
# 5.18.0-12.rc1[.KDIST] 5.18.0-12.rc1[.KDIST] kernel[-kdist]-5.18.0-13.rc1
# 5.18.0-12[.KDIST]-2-g551f9cd 5.18.0-0.20220428git551f9cd79ece.12[.KDIST] kernel[-kdist]-5.18.0-13
# x86-5.4.119-19-0010.prerelease 5.4.119-20[.KDIST] kernel[-kdist]-5.4.119-20[.KDIST]
#
# * NOTE: random commit snapshot can't be versioning in non-decreasing since one can always amend/rebase, so only the date stamp matters now.
# ** NOTE: Yes, this script is compatible with TK4
#
# As you may have noticed, release always start with '0' unless a git tag have release >= 1,
# The tag should be generated by other commands that comes later in this script.
prepare_next_kernel_ver() {
_prepare_kernel_ver "$@"
if [[ $KPREMERGEWINDOW ]]; then
warn "Upstream is in merge window, forcing a formal release is not recommanded."
fi
krelease=$((KGIT_RELEASE_NUM + 1))
if [[ $KEXTRAVERSION ]]; then
krelease="$krelease.${KEXTRAVERSION##-}"
elif [[ $KPREMERGEWINDOW ]]; then
krelease="$krelease.rc0"
fi
KERNEL_MAJVER="$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"
KERNEL_RELVER="$krelease${KDIST:+.$KDIST}"
KERNEL_UNAMER="$KERNEL_MAJVER-$KERNEL_RELVER"
}
# Get next formal kernel version based on previous git tag
# Same as prepare_next_kernel_ver, but increase sub version instead.
# eg. instead of 5.18.12-3[.KDIST] -> 5.18.12-4[.KDIST], this generates 5.18.12-3[.KDIST] -> 5.18.12-3.1[.KDIST]
prepare_next_sub_kernel_ver() {
_prepare_kernel_ver "$@"
if [[ $KPREMERGEWINDOW ]]; then
warn "Upstream is in merge window, forcing a formal release is not recommanded."
fi
krelease=$((KGIT_RELEASE_NUM + 0))
krelease=$krelease.$((KGIT_SUB_RELEASE_NUM + 1))
if [[ $KEXTRAVERSION ]]; then
krelease="$krelease.${KEXTRAVERSION##-}"
elif [[ $KPREMERGEWINDOW ]]; then
krelease="$krelease.rc0"
fi
KERNEL_MAJVER="$KVERSION.$KPATCHLEVEL.$KSUBLEVEL"
KERNEL_RELVER="$krelease${KDIST:+.$KDIST}"
KERNEL_UNAMER="$KERNEL_MAJVER-$KERNEL_RELVER"
}
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