1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 <<
3 # 2 #
4 # This scripts adds local version information 3 # This scripts adds local version information from the version
5 # control system git. !! 4 # control systems git, mercurial (hg) and subversion (svn).
6 # 5 #
7 # If something goes wrong, send a mail the ker 6 # If something goes wrong, send a mail the kernel build mailinglist
8 # (see MAINTAINERS) and CC Nico Schottelius 7 # (see MAINTAINERS) and CC Nico Schottelius
9 # <nico-linuxsetlocalversion -at- schottelius. 8 # <nico-linuxsetlocalversion -at- schottelius.org>.
10 # 9 #
11 # 10 #
12 11
13 usage() { 12 usage() {
14 echo "Usage: $0 [--no-local] [srctree] !! 13 echo "Usage: $0 [srctree]" >&2
15 exit 1 14 exit 1
16 } 15 }
17 16
18 no_local=false !! 17 cd "${1:-.}" || usage
19 if test "$1" = "--no-local"; then <<
20 no_local=true <<
21 shift <<
22 fi <<
23 <<
24 srctree=. <<
25 if test $# -gt 0; then <<
26 srctree=$1 <<
27 shift <<
28 fi <<
29 if test $# -gt 0 -o ! -d "$srctree"; then <<
30 usage <<
31 fi <<
32 <<
33 scm_version() <<
34 { <<
35 local short=false <<
36 local no_dirty=false <<
37 local tag <<
38 <<
39 while [ $# -gt 0 ]; <<
40 do <<
41 case "$1" in <<
42 --short) <<
43 short=true;; <<
44 --no-dirty) <<
45 no_dirty=true;; <<
46 esac <<
47 shift <<
48 done <<
49 <<
50 cd "$srctree" <<
51 <<
52 if test -n "$(git rev-parse --show-cdu <<
53 return <<
54 fi <<
55 18
56 if ! head=$(git rev-parse --verify HEA !! 19 # Check for git and a git repo.
57 return !! 20 if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
58 fi <<
59 <<
60 # mainline kernel: 6.2.0-rc5 -> v6. <<
61 # stable kernel: 6.1.7 -> v6. <<
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=${file_localversion#-} <<
68 desc= <<
69 if [ -n "${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 <<
82 # Otherwise, default to the annotated <<
83 if [ -z "${desc}" ]; then <<
84 tag="${version_tag}" <<
85 desc=$(git describe --match=$t <<
86 fi <<
87 21
88 # If we are at the tagged commit, we i !! 22 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
89 # well-defined. !! 23 # because this version is defined in the top level Makefile.
90 if [ "${tag}" != "${desc}" ]; then !! 24 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
91 !! 25
92 # If only the short version is !! 26 # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
93 # running further git commands !! 27 # we pretty print it.
94 if $short; then !! 28 if atag="`git describe 2>/dev/null`"; then
95 echo "+" !! 29 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
96 return !! 30
>> 31 # If we don't have a tag at all we print -g{commitish}.
>> 32 else
>> 33 printf '%s%s' -g $head
97 fi 34 fi
98 # If we are past the tagged co <<
99 # (like 6.1.0-14595-g292a089d7 <<
100 if [ -n "${desc}" ]; then <<
101 echo "${desc}" | awk - <<
102 fi <<
103 <<
104 # Add -g and exactly 12 hex ch <<
105 printf '%s%s' -g "$(echo $head <<
106 fi 35 fi
107 36
108 if ${no_dirty}; then !! 37 # Is this git on svn?
109 return !! 38 if git config --get svn-remote.svn.url >/dev/null; then
>> 39 printf -- '-svn%s' "`git svn find-rev $head`"
110 fi 40 fi
111 41
112 # Check for uncommitted changes. !! 42 # Update index only on r/w media
113 # This script must avoid any write att !! 43 [ -w . ] && git update-index --refresh --unmerged > /dev/null
114 # might be read-only. !! 44
115 # You cannot use 'git describe --dirty !! 45 # Check for uncommitted changes
116 # .git/index.lock . !! 46 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
117 # First, with git-status, but --no-opt !! 47 | read dummy; then
118 # git >= 2.14, so fall back to git-dif <<
119 # git-diff-index does not refresh the <<
120 # results. <<
121 # See git-update-index(1), git-diff-in <<
122 if { <<
123 git --no-optional-locks status <<
124 git diff-index --name-only HEA <<
125 } | read dummy; then <<
126 printf '%s' -dirty 48 printf '%s' -dirty
127 fi 49 fi
128 } <<
129 <<
130 collect_files() <<
131 { <<
132 local file res= <<
133 <<
134 for file; do <<
135 case "$file" in <<
136 *\~*) <<
137 continue <<
138 ;; <<
139 esac <<
140 if test -e "$file"; then <<
141 res="$res$(cat "$file" <<
142 fi <<
143 done <<
144 echo "$res" <<
145 } <<
146 50
147 if [ -z "${KERNELVERSION}" ]; then !! 51 # All done with git
148 echo "KERNELVERSION is not set" >&2 !! 52 exit
149 exit 1 <<
150 fi 53 fi
151 54
152 # localversion* files in the build and source !! 55 # Check for mercurial and a mercurial repo.
153 file_localversion="$(collect_files localversio !! 56 if hgid=`hg id 2>/dev/null`; then
154 if test ! "$srctree" -ef .; then !! 57 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
155 file_localversion="${file_localversion <<
156 fi <<
157 58
158 if ${no_local}; then !! 59 # Do we have an untagged version?
159 echo "${KERNELVERSION}$(scm_version -- !! 60 if [ -z "$tag" -o "$tag" = tip ]; then
160 exit 0 !! 61 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
161 fi !! 62 printf '%s%s' -hg "$id"
>> 63 fi
162 64
163 if ! test -e include/config/auto.conf; then !! 65 # Are there uncommitted changes?
164 echo "Error: kernelrelease not valid - !! 66 # These are represented by + after the changeset id.
165 exit 1 !! 67 case "$hgid" in
>> 68 *+|*+\ *) printf '%s' -dirty ;;
>> 69 esac
>> 70
>> 71 # All done with mercurial
>> 72 exit
166 fi 73 fi
167 74
168 # version string from CONFIG_LOCALVERSION !! 75 # Check for svn and a svn repo.
169 config_localversion=$(sed -n 's/^CONFIG_LOCALV !! 76 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
>> 77 rev=`echo $rev | awk '{print $NF}'`
>> 78 printf -- '-svn%s' "$rev"
170 79
171 # scm version string if not at the kernel vers !! 80 # All done with svn
172 if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" incl !! 81 exit
173 # full scm version string <<
174 scm_version="$(scm_version)" <<
175 elif [ "${LOCALVERSION+set}" != "set" ]; then <<
176 # If the variable LOCALVERSION is not <<
177 # sign if the repository is not in a c <<
178 # signed tagged state (as git describe <<
179 # or annotated tags - git tag -a/-s). <<
180 # <<
181 # If the variable LOCALVERSION is set <<
182 # to an empty string), we don't want t <<
183 scm_version="$(scm_version --short)" <<
184 fi 82 fi
185 <<
186 echo "${KERNELVERSION}${file_localversion}${co <<
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