blob: 71f39410691b6be14774102000507c834c8ad493 [file] [log] [blame]
Rene Scharfe117a93d2006-01-04 20:42:03 +01001#!/bin/sh
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01002# SPDX-License-Identifier: GPL-2.0
Nico Schottelius33252572009-05-16 14:00:56 +02003#
4# This scripts adds local version information from the version
5# control systems git, mercurial (hg) and subversion (svn).
6#
7# If something goes wrong, send a mail the kernel build mailinglist
8# (see MAINTAINERS) and CC Nico Schottelius
9# <nico-linuxsetlocalversion -at- schottelius.org>.
10#
11#
Ryan Andersonaaebf432005-07-31 04:57:49 -040012
Rene Scharfe117a93d2006-01-04 20:42:03 +010013usage() {
Michal Marekb003afe2010-07-15 10:36:37 +020014 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
Rene Scharfe117a93d2006-01-04 20:42:03 +010015 exit 1
Ryan Andersonaaebf432005-07-31 04:57:49 -040016}
17
Michal Marek09155122010-06-17 15:14:58 +020018scm_only=false
19srctree=.
Michal Marekb003afe2010-07-15 10:36:37 +020020if test "$1" = "--save-scmversion"; then
Michal Marek09155122010-06-17 15:14:58 +020021 scm_only=true
22 shift
23fi
24if test $# -gt 0; then
25 srctree=$1
26 shift
27fi
28if test $# -gt 0 -o ! -d "$srctree"; then
29 usage
30fi
Ryan Andersonaaebf432005-07-31 04:57:49 -040031
Michal Marek09155122010-06-17 15:14:58 +020032scm_version()
33{
Michał Górny6dc0c2f2010-07-18 10:26:40 +020034 local short
35 short=false
Nico Schottelius33252572009-05-16 14:00:56 +020036
Michal Marek09155122010-06-17 15:14:58 +020037 cd "$srctree"
38 if test -e .scmversion; then
Michał Górny6dc0c2f2010-07-18 10:26:40 +020039 cat .scmversion
Michal Marek09155122010-06-17 15:14:58 +020040 return
41 fi
42 if test "$1" = "--short"; then
43 short=true
44 fi
Nico Schottelius33252572009-05-16 14:00:56 +020045
Michal Marek09155122010-06-17 15:14:58 +020046 # Check for git and a git repo.
Franck Bui-Huu7593e092013-12-02 16:34:29 +010047 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
48 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
Nico Schottelius33252572009-05-16 14:00:56 +020049
Michal Marek09155122010-06-17 15:14:58 +020050 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
51 # it, because this version is defined in the top level Makefile.
52 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
53
54 # If only the short version is requested, don't bother
55 # running further git commands
56 if $short; then
57 echo "+"
58 return
59 fi
60 # If we are past a tagged commit (like
61 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
62 if atag="`git describe 2>/dev/null`"; then
63 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
64
65 # If we don't have a tag at all we print -g{commitish}.
66 else
67 printf '%s%s' -g $head
68 fi
Nico Schottelius33252572009-05-16 14:00:56 +020069 fi
Michal Marek09155122010-06-17 15:14:58 +020070
71 # Is this git on svn?
72 if git config --get svn-remote.svn.url >/dev/null; then
73 printf -- '-svn%s' "`git svn find-rev $head`"
74 fi
75
Michal Marek09155122010-06-17 15:14:58 +020076 # Check for uncommitted changes
Guenter Roeck62b5dea2018-11-06 10:10:38 -080077 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
Michal Marek09155122010-06-17 15:14:58 +020078 printf '%s' -dirty
79 fi
80
81 # All done with git
82 return
Rene Scharfe117a93d2006-01-04 20:42:03 +010083 fi
Ryan Andersonaaebf432005-07-31 04:57:49 -040084
Michal Marek09155122010-06-17 15:14:58 +020085 # Check for mercurial and a mercurial repo.
Michal Marek8558f592010-08-16 17:09:52 +020086 if test -d .hg && hgid=`hg id 2>/dev/null`; then
Mike Crowe38b34392011-01-12 00:53:52 -050087 # Do we have an tagged version? If so, latesttagdistance == 1
88 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
89 id=`hg log -r . --template '{latesttag}'`
Michal Marek09155122010-06-17 15:14:58 +020090 printf '%s%s' -hg "$id"
Mike Crowe38b34392011-01-12 00:53:52 -050091 else
92 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
93 if [ -z "$tag" -o "$tag" = tip ]; then
94 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
95 printf '%s%s' -hg "$id"
96 fi
Michal Marek09155122010-06-17 15:14:58 +020097 fi
98
99 # Are there uncommitted changes?
100 # These are represented by + after the changeset id.
101 case "$hgid" in
102 *+|*+\ *) printf '%s' -dirty ;;
103 esac
104
105 # All done with mercurial
106 return
Peter Korsgaardff80aa92008-12-02 21:58:06 +0100107 fi
108
Michal Marek09155122010-06-17 15:14:58 +0200109 # Check for svn and a svn repo.
Christophe Leroyf893bfb2013-02-22 09:59:18 +0100110 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
Michal Marek09155122010-06-17 15:14:58 +0200111 rev=`echo $rev | awk '{print $NF}'`
112 printf -- '-svn%s' "$rev"
Nico Schotteliusa2bb90a2009-06-12 09:59:52 +0200113
Michal Marek09155122010-06-17 15:14:58 +0200114 # All done with svn
115 return
Rene Scharfe117a93d2006-01-04 20:42:03 +0100116 fi
Michal Marek09155122010-06-17 15:14:58 +0200117}
Aron Griffis3dce1742007-11-28 16:55:44 -0500118
Michal Marek09155122010-06-17 15:14:58 +0200119collect_files()
120{
121 local file res
122
123 for file; do
124 case "$file" in
125 *\~*)
126 continue
127 ;;
128 esac
129 if test -e "$file"; then
130 res="$res$(cat "$file")"
131 fi
132 done
133 echo "$res"
134}
135
136if $scm_only; then
Michal Marekb003afe2010-07-15 10:36:37 +0200137 if test ! -e .scmversion; then
138 res=$(scm_version)
139 echo "$res" >.scmversion
140 fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500141 exit
142fi
143
Michal Marek09155122010-06-17 15:14:58 +0200144if test -e include/config/auto.conf; then
Michał Górny6dc0c2f2010-07-18 10:26:40 +0200145 . include/config/auto.conf
Michal Marek09155122010-06-17 15:14:58 +0200146else
Wolfram Sang78283edf2016-06-06 21:00:38 +0200147 echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
Michal Marek09155122010-06-17 15:14:58 +0200148 exit 1
149fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500150
Michal Marek09155122010-06-17 15:14:58 +0200151# localversion* files in the build and source directory
152res="$(collect_files localversion*)"
153if test ! "$srctree" -ef .; then
154 res="$res$(collect_files "$srctree"/localversion*)"
155fi
156
157# CONFIG_LOCALVERSION and LOCALVERSION (if set)
158res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
159
160# scm version string if not at a tagged commit
161if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
162 # full scm version string
163 res="$res$(scm_version)"
164else
Michael Prokopc3e2f192010-09-06 11:57:19 +0200165 # append a plus sign if the repository is not in a clean
166 # annotated or signed tagged state (as git describe only
167 # looks at signed or annotated tags - git tag -a/-s) and
168 # LOCALVERSION= is not specified
Michal Marek09155122010-06-17 15:14:58 +0200169 if test "${LOCALVERSION+set}" != "set"; then
170 scm=$(scm_version --short)
171 res="$res${scm:++}"
Aron Griffis3dce1742007-11-28 16:55:44 -0500172 fi
Rene Scharfe117a93d2006-01-04 20:42:03 +0100173fi
Bryan Wuba3d05f2008-02-03 14:13:26 +0800174
Michal Marek09155122010-06-17 15:14:58 +0200175echo "$res"