linux-6.15/scripts/setlocalversion

2 # SPDX-License-Identifier: GPL-2.0
9 # <nico-linuxsetlocalversion -at- schottelius.org>.
13 set -e
16 	echo "Usage: $0 [--no-local] [srctree]" >&2
21 if test "$1" = "--no-local"; then
27 if test $# -gt 0; then
31 if test $# -gt 0 -o ! -d "$srctree"; then
39 	if [ "$(git cat-file -t "$tag" 2> /dev/null)" != tag ]; then
43 	# Is it an ancestor of HEAD, and if so, how many commits are in $tag..HEAD?
45 	set -- $(git rev-list --count --left-right "$tag"...HEAD 2> /dev/null)
48 	# string comparison, because $1 is empty if the 'git rev-list'
54 	# $2 is the number of commits in the range $tag..HEAD, possibly 0.
64 	while [ $# -gt 0 ];
67 		--short)
69 		--no-dirty)
77 	if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then
81 	if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then
85 	# mainline kernel:  6.2.0-rc5  ->  v6.2-rc5
86 	# stable kernel:    6.1.7      ->  v6.1.7
87 	version_tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/')
94 	# it. This is the case in linux-next.
95 	if [ -n "${file_localversion#-}" ] ; then
96 		try_tag "${file_localversion#-}"
102 	# it. This is e.g. the case in linux-rt.
103 	if [ -z "${count}" ] && [ -n "${file_localversion}" ]; then
108 	if [ -z "${count}" ]; then
113 	# version is well-defined. If none of the attempted tags exist
115 	if [ -z "${count}" ] || [ "${count}" -gt 0 ]; then
125 		# (like 6.1.0-14595-g292a089d78d3)
126 		if [ -n "${count}" ]; then
127 			printf "%s%05d" "-" "${count}"
130 		# Add -g and exactly 12 hex chars.
131 		printf '%s%.12s' -g "$head"
140 	# might be read-only.
141 	# You cannot use 'git describe --dirty' because it tries to create
143 	# First, with git-status, but --no-optional-locks is only supported in
144 	# git >= 2.14, so fall back to git-diff-index if it fails. Note that
145 	# git-diff-index does not refresh the index, so it may give misleading
147 	# See git-update-index(1), git-diff-index(1), and git-status(1).
149 		git --no-optional-locks status -uno --porcelain 2>/dev/null ||
150 		git diff-index --name-only HEAD
152 		printf '%s' -dirty
166 		if test -e "$file"; then
173 if [ -z "${KERNELVERSION}" ]; then
180 if test ! "$srctree" -ef .; then
185 	echo "${KERNELVERSION}$(scm_version --no-dirty)"
189 if ! test -e include/config/auto.conf; then
190 	echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
195 config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf)
198 if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then
205 	# or annotated tags - git tag -a/-s).
209 	scm_version="$(scm_version --short)"