1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 # 3 #
4 # This scripts adds local version information 4 # This scripts adds local version information from the version
5 # control system git. !! 5 # control systems git, mercurial (hg) and subversion (svn).
6 # 6 #
7 # If something goes wrong, send a mail the ker 7 # If something goes wrong, send a mail the kernel build mailinglist
8 # (see MAINTAINERS) and CC Nico Schottelius 8 # (see MAINTAINERS) and CC Nico Schottelius
9 # <nico-linuxsetlocalversion -at- schottelius. 9 # <nico-linuxsetlocalversion -at- schottelius.org>.
10 # 10 #
11 # 11 #
12 12
13 usage() { 13 usage() {
14 echo "Usage: $0 [--no-local] [srctree] 14 echo "Usage: $0 [--no-local] [srctree]" >&2
15 exit 1 15 exit 1
16 } 16 }
17 17
18 no_local=false 18 no_local=false
19 if test "$1" = "--no-local"; then 19 if test "$1" = "--no-local"; then
20 no_local=true 20 no_local=true
21 shift 21 shift
22 fi 22 fi
23 23
24 srctree=. 24 srctree=.
25 if test $# -gt 0; then 25 if test $# -gt 0; then
26 srctree=$1 26 srctree=$1
27 shift 27 shift
28 fi 28 fi
29 if test $# -gt 0 -o ! -d "$srctree"; then 29 if test $# -gt 0 -o ! -d "$srctree"; then
30 usage 30 usage
31 fi 31 fi
32 32
33 scm_version() 33 scm_version()
34 { 34 {
35 local short=false 35 local short=false
36 local no_dirty=false 36 local no_dirty=false
37 local tag 37 local tag
38 38
39 while [ $# -gt 0 ]; 39 while [ $# -gt 0 ];
40 do 40 do
41 case "$1" in 41 case "$1" in
42 --short) 42 --short)
43 short=true;; 43 short=true;;
44 --no-dirty) 44 --no-dirty)
45 no_dirty=true;; 45 no_dirty=true;;
46 esac 46 esac
47 shift 47 shift
48 done 48 done
49 49
50 cd "$srctree" 50 cd "$srctree"
51 51
52 if test -n "$(git rev-parse --show-cdu 52 if test -n "$(git rev-parse --show-cdup 2>/dev/null)"; then
53 return 53 return
54 fi 54 fi
55 55
56 if ! head=$(git rev-parse --verify HEA 56 if ! head=$(git rev-parse --verify HEAD 2>/dev/null); then
57 return 57 return
58 fi 58 fi
59 59
60 # mainline kernel: 6.2.0-rc5 -> v6. !! 60 # If a localversion*' file and the corresponding annotated tag exist,
61 # stable kernel: 6.1.7 -> v6. !! 61 # use it. This is the case in linux-next.
62 version_tag=v$(echo "${KERNELVERSION}" <<
63 <<
64 # If a localversion* file exists, and <<
65 # annotated tag exists and is an ances <<
66 # it. This is the case in linux-next. <<
67 tag=${file_localversion#-} 62 tag=${file_localversion#-}
68 desc= !! 63 tag=$(git describe --exact-match --match=$tag $tag 2>/dev/null)
69 if [ -n "${tag}" ]; then <<
70 desc=$(git describe --match=$t <<
71 fi <<
72 <<
73 # Otherwise, if a localversion* file e <<
74 # obtained by appending it to the tag <<
75 # KERNELVERSION exists and is an ances <<
76 # it. This is e.g. the case in linux-r <<
77 if [ -z "${desc}" ] && [ -n "${file_lo <<
78 tag="${version_tag}${file_loca <<
79 desc=$(git describe --match=$t <<
80 fi <<
81 64
82 # Otherwise, default to the annotated 65 # Otherwise, default to the annotated tag derived from KERNELVERSION.
83 if [ -z "${desc}" ]; then !! 66 # mainline kernel: 6.2.0-rc5 -> v6.2-rc5
84 tag="${version_tag}" !! 67 # stable kernel: 6.1.7 -> v6.1.7
85 desc=$(git describe --match=$t !! 68 if [ -z "${tag}" ]; then
>> 69 tag=v$(echo "${KERNELVERSION}" | sed -E 's/^([0-9]+\.[0-9]+)\.0(.*)$/\1\2/')
86 fi 70 fi
87 71
88 # If we are at the tagged commit, we i 72 # If we are at the tagged commit, we ignore it because the version is
89 # well-defined. 73 # well-defined.
90 if [ "${tag}" != "${desc}" ]; then !! 74 if [ -z "$(git describe --exact-match --match=$tag 2>/dev/null)" ]; then
91 75
92 # If only the short version is 76 # If only the short version is requested, don't bother
93 # running further git commands 77 # running further git commands
94 if $short; then 78 if $short; then
95 echo "+" 79 echo "+"
96 return 80 return
97 fi 81 fi
98 # If we are past the tagged co 82 # If we are past the tagged commit, we pretty print it.
99 # (like 6.1.0-14595-g292a089d7 83 # (like 6.1.0-14595-g292a089d78d3)
100 if [ -n "${desc}" ]; then !! 84 if atag="$(git describe --match=$tag 2>/dev/null)"; then
101 echo "${desc}" | awk - !! 85 echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}'
102 fi 86 fi
103 87
104 # Add -g and exactly 12 hex ch 88 # Add -g and exactly 12 hex chars.
105 printf '%s%s' -g "$(echo $head 89 printf '%s%s' -g "$(echo $head | cut -c1-12)"
106 fi 90 fi
107 91
108 if ${no_dirty}; then 92 if ${no_dirty}; then
109 return 93 return
110 fi 94 fi
111 95
112 # Check for uncommitted changes. 96 # Check for uncommitted changes.
113 # This script must avoid any write att 97 # This script must avoid any write attempt to the source tree, which
114 # might be read-only. 98 # might be read-only.
115 # You cannot use 'git describe --dirty 99 # You cannot use 'git describe --dirty' because it tries to create
116 # .git/index.lock . 100 # .git/index.lock .
117 # First, with git-status, but --no-opt 101 # First, with git-status, but --no-optional-locks is only supported in
118 # git >= 2.14, so fall back to git-dif 102 # git >= 2.14, so fall back to git-diff-index if it fails. Note that
119 # git-diff-index does not refresh the 103 # git-diff-index does not refresh the index, so it may give misleading
120 # results. 104 # results.
121 # See git-update-index(1), git-diff-in 105 # See git-update-index(1), git-diff-index(1), and git-status(1).
122 if { 106 if {
123 git --no-optional-locks status 107 git --no-optional-locks status -uno --porcelain 2>/dev/null ||
124 git diff-index --name-only HEA 108 git diff-index --name-only HEAD
125 } | read dummy; then 109 } | read dummy; then
126 printf '%s' -dirty 110 printf '%s' -dirty
127 fi 111 fi
128 } 112 }
129 113
130 collect_files() 114 collect_files()
131 { 115 {
132 local file res= 116 local file res=
133 117
134 for file; do 118 for file; do
135 case "$file" in 119 case "$file" in
136 *\~*) 120 *\~*)
137 continue 121 continue
138 ;; 122 ;;
139 esac 123 esac
140 if test -e "$file"; then 124 if test -e "$file"; then
141 res="$res$(cat "$file" 125 res="$res$(cat "$file")"
142 fi 126 fi
143 done 127 done
144 echo "$res" 128 echo "$res"
145 } 129 }
146 130
147 if [ -z "${KERNELVERSION}" ]; then 131 if [ -z "${KERNELVERSION}" ]; then
148 echo "KERNELVERSION is not set" >&2 132 echo "KERNELVERSION is not set" >&2
149 exit 1 133 exit 1
150 fi 134 fi
151 135
152 # localversion* files in the build and source 136 # localversion* files in the build and source directory
153 file_localversion="$(collect_files localversio 137 file_localversion="$(collect_files localversion*)"
154 if test ! "$srctree" -ef .; then 138 if test ! "$srctree" -ef .; then
155 file_localversion="${file_localversion 139 file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)"
156 fi 140 fi
157 141
158 if ${no_local}; then 142 if ${no_local}; then
159 echo "${KERNELVERSION}$(scm_version -- 143 echo "${KERNELVERSION}$(scm_version --no-dirty)"
160 exit 0 144 exit 0
161 fi 145 fi
162 146
163 if ! test -e include/config/auto.conf; then 147 if ! test -e include/config/auto.conf; then
164 echo "Error: kernelrelease not valid - 148 echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
165 exit 1 149 exit 1
166 fi 150 fi
167 151
168 # version string from CONFIG_LOCALVERSION 152 # version string from CONFIG_LOCALVERSION
169 config_localversion=$(sed -n 's/^CONFIG_LOCALV 153 config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf)
170 154
171 # scm version string if not at the kernel vers 155 # scm version string if not at the kernel version tag or at the file_localversion
172 if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" incl 156 if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then
173 # full scm version string 157 # full scm version string
174 scm_version="$(scm_version)" 158 scm_version="$(scm_version)"
175 elif [ "${LOCALVERSION+set}" != "set" ]; then 159 elif [ "${LOCALVERSION+set}" != "set" ]; then
176 # If the variable LOCALVERSION is not 160 # If the variable LOCALVERSION is not set, append a plus
177 # sign if the repository is not in a c 161 # sign if the repository is not in a clean annotated or
178 # signed tagged state (as git describe 162 # signed tagged state (as git describe only looks at signed
179 # or annotated tags - git tag -a/-s). 163 # or annotated tags - git tag -a/-s).
180 # 164 #
181 # If the variable LOCALVERSION is set 165 # If the variable LOCALVERSION is set (including being set
182 # to an empty string), we don't want t 166 # to an empty string), we don't want to append a plus sign.
183 scm_version="$(scm_version --short)" 167 scm_version="$(scm_version --short)"
184 fi 168 fi
185 169
186 echo "${KERNELVERSION}${file_localversion}${co 170 echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}"
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