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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213#!/bin/sh# SPDX-License-Identifier: GPL-2.0## This scripts adds local version information from the version# control system git.## If something goes wrong, send a mail the kernel build mailinglist# (see MAINTAINERS) and CC Nico Schottelius# <nico-linuxsetlocalversion -at- schottelius.org>.##
set -e
usage() { echo "Usage: $0 [--no-local] [srctree]" >&2 exit 1}
no_local=falseif test "$1" = "--no-local"; then no_local=true shiftfi
srctree=.if test $# -gt 0; then srctree=$1 shiftfiif test $# -gt 0 -o ! -d "$srctree"; then usagefi
try_tag() { tag="$1"
# Is $tag an annotated tag? if [ "$(git cat-file -t "$tag" 2> /dev/null)" != tag ]; then return fi
# Is it an ancestor of HEAD, and if so, how many commits are in $tag..HEAD? # shellcheck disable=SC2046 # word splitting is the point here set -- $(git rev-list --count --left-right "$tag"...HEAD 2> /dev/null)
# $1 is 0 if and only if $tag is an ancestor of HEAD. Use # string comparison, because $1 is empty if the 'git rev-list' # command somehow failed. if [ "$1" != 0 ]; then return fi
# $2 is the number of commits in the range $tag..HEAD, possibly 0. count="$2"}
scm_version(){ local short=false local no_dirty=false local tag
while [ $# -gt 0 ]; do case "$1" in --short) short=true;; --no-dirty) no_dirty=true;; esac shift done
cd "$srctree"
if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then return fi
if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then return fi
# mainline kernel: 6.2.0-rc5 -> v6.2-rc5 # stable kernel: 6.1.7 -> v6.1.7 version_tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/')
# try_tag initializes count if the tag is usable. count=
# If a localversion* file exists, and the corresponding # annotated tag exists and is an ancestor of HEAD, use # it. This is the case in linux-next. if [ -n "${file_localversion#-}" ] ; then try_tag "${file_localversion#-}" fi
# Otherwise, if a localversion* file exists, and the tag # obtained by appending it to the tag derived from # KERNELVERSION exists and is an ancestor of HEAD, use # it. This is e.g. the case in linux-rt. if [ -z "${count}" ] && [ -n "${file_localversion}" ]; then try_tag "${version_tag}${file_localversion}" fi
# Otherwise, default to the annotated tag derived from KERNELVERSION. if [ -z "${count}" ]; then try_tag "${version_tag}" fi
# If we are at the tagged commit, we ignore it because the # version is well-defined. If none of the attempted tags exist # or were usable, $count is still empty. if [ -z "${count}" ] || [ "${count}" -gt 0 ]; then
# If only the short version is requested, don't bother # running further git commands if $short; then echo "+" return fi
# If we are past the tagged commit, we pretty print it. # (like 6.1.0-14595-g292a089d78d3) if [ -n "${count}" ]; then printf "%s%05d" "-" "${count}" fi
# Add -g and exactly 12 hex chars. printf '%s%.12s' -g "$head" fi
if ${no_dirty}; then return fi
# Check for uncommitted changes. # This script must avoid any write attempt to the source tree, which # might be read-only. # You cannot use 'git describe --dirty' because it tries to create # .git/index.lock . # First, with git-status, but --no-optional-locks is only supported in # git >= 2.14, so fall back to git-diff-index if it fails. Note that # git-diff-index does not refresh the index, so it may give misleading # results. # See git-update-index(1), git-diff-index(1), and git-status(1). if { git --no-optional-locks status -uno --porcelain 2>/dev/null || git diff-index --name-only HEAD } | read dummy; then printf '%s' -dirty fi}
collect_files(){ local file res=
for file; do case "$file" in *\~*) continue ;; esac if test -e "$file"; then res="$res$(cat "$file")" fi done echo "$res"}
if [ -z "${KERNELVERSION}" ]; then echo "KERNELVERSION is not set" >&2 exit 1fi
# localversion* files in the build and source directoryfile_localversion="$(collect_files localversion*)"if test ! "$srctree" -ef .; then file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)"fi
if ${no_local}; then echo "${KERNELVERSION}$(scm_version --no-dirty)" exit 0fi
if ! test -e include/config/auto.conf; then echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 exit 1fi
# version string from CONFIG_LOCALVERSIONconfig_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf)
# scm version string if not at the kernel version tag or at the file_localversionif grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then # full scm version string scm_version="$(scm_version)"elif [ "${LOCALVERSION+set}" != "set" ]; then # If the variable LOCALVERSION is not set, append a plus # sign if the repository is not in a clean annotated or # signed tagged state (as git describe only looks at signed # or annotated tags - git tag -a/-s). # # If the variable LOCALVERSION is set (including being set # to an empty string), we don't want to append a plus sign. scm_version="$(scm_version --short)"fi
echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}"