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Rene Scharfe117a93d2006-01-04 20:42:03 +01001#!/bin/sh
Nico Schottelius33252572009-05-16 14:00:56 +02002#
3# This scripts adds local version information from the version
4# control systems git, mercurial (hg) and subversion (svn).
5#
6# If something goes wrong, send a mail the kernel build mailinglist
7# (see MAINTAINERS) and CC Nico Schottelius
8# <nico-linuxsetlocalversion -at- schottelius.org>.
9#
10#
Ryan Andersonaaebf432005-07-31 04:57:49 -040011
Rene Scharfe117a93d2006-01-04 20:42:03 +010012usage() {
Michal Marekb003afe2010-07-15 10:36:37 +020013 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
Rene Scharfe117a93d2006-01-04 20:42:03 +010014 exit 1
Ryan Andersonaaebf432005-07-31 04:57:49 -040015}
16
Michal Marek09155122010-06-17 15:14:58 +020017scm_only=false
18srctree=.
Michal Marekb003afe2010-07-15 10:36:37 +020019if test "$1" = "--save-scmversion"; then
Michal Marek09155122010-06-17 15:14:58 +020020 scm_only=true
21 shift
22fi
23if test $# -gt 0; then
24 srctree=$1
25 shift
26fi
27if test $# -gt 0 -o ! -d "$srctree"; then
28 usage
29fi
Ryan Andersonaaebf432005-07-31 04:57:49 -040030
Michal Marek09155122010-06-17 15:14:58 +020031scm_version()
32{
Michał Górny6dc0c2f2010-07-18 10:26:40 +020033 local short
34 short=false
Nico Schottelius33252572009-05-16 14:00:56 +020035
Michal Marek09155122010-06-17 15:14:58 +020036 cd "$srctree"
37 if test -e .scmversion; then
Michał Górny6dc0c2f2010-07-18 10:26:40 +020038 cat .scmversion
Michal Marek09155122010-06-17 15:14:58 +020039 return
40 fi
41 if test "$1" = "--short"; then
42 short=true
43 fi
Nico Schottelius33252572009-05-16 14:00:56 +020044
Michal Marek09155122010-06-17 15:14:58 +020045 # Check for git and a git repo.
Michal Marek8558f592010-08-16 17:09:52 +020046 if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
Nico Schottelius33252572009-05-16 14:00:56 +020047
Michal Marek09155122010-06-17 15:14:58 +020048 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
49 # it, because this version is defined in the top level Makefile.
50 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
51
52 # If only the short version is requested, don't bother
53 # running further git commands
54 if $short; then
55 echo "+"
56 return
57 fi
58 # If we are past a tagged commit (like
59 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
60 if atag="`git describe 2>/dev/null`"; then
61 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
62
63 # If we don't have a tag at all we print -g{commitish}.
64 else
65 printf '%s%s' -g $head
66 fi
Nico Schottelius33252572009-05-16 14:00:56 +020067 fi
Michal Marek09155122010-06-17 15:14:58 +020068
69 # Is this git on svn?
70 if git config --get svn-remote.svn.url >/dev/null; then
71 printf -- '-svn%s' "`git svn find-rev $head`"
72 fi
73
74 # Update index only on r/w media
75 [ -w . ] && git update-index --refresh --unmerged > /dev/null
76
77 # Check for uncommitted changes
Roland Dreier7f3bd6c2012-03-23 09:42:27 -070078 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
Michal Marek09155122010-06-17 15:14:58 +020079 printf '%s' -dirty
80 fi
81
82 # All done with git
83 return
Rene Scharfe117a93d2006-01-04 20:42:03 +010084 fi
Ryan Andersonaaebf432005-07-31 04:57:49 -040085
Michal Marek09155122010-06-17 15:14:58 +020086 # Check for mercurial and a mercurial repo.
Michal Marek8558f592010-08-16 17:09:52 +020087 if test -d .hg && hgid=`hg id 2>/dev/null`; then
Mike Crowe38b34392011-01-12 00:53:52 -050088 # Do we have an tagged version? If so, latesttagdistance == 1
89 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
90 id=`hg log -r . --template '{latesttag}'`
Michal Marek09155122010-06-17 15:14:58 +020091 printf '%s%s' -hg "$id"
Mike Crowe38b34392011-01-12 00:53:52 -050092 else
93 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
94 if [ -z "$tag" -o "$tag" = tip ]; then
95 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
96 printf '%s%s' -hg "$id"
97 fi
Michal Marek09155122010-06-17 15:14:58 +020098 fi
99
100 # Are there uncommitted changes?
101 # These are represented by + after the changeset id.
102 case "$hgid" in
103 *+|*+\ *) printf '%s' -dirty ;;
104 esac
105
106 # All done with mercurial
107 return
Peter Korsgaardff80aa92008-12-02 21:58:06 +0100108 fi
109
Michal Marek09155122010-06-17 15:14:58 +0200110 # Check for svn and a svn repo.
Christophe Leroyf893bfb2013-02-22 09:59:18 +0100111 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 +0200112 rev=`echo $rev | awk '{print $NF}'`
113 printf -- '-svn%s' "$rev"
Nico Schotteliusa2bb90a2009-06-12 09:59:52 +0200114
Michal Marek09155122010-06-17 15:14:58 +0200115 # All done with svn
116 return
Rene Scharfe117a93d2006-01-04 20:42:03 +0100117 fi
Michal Marek09155122010-06-17 15:14:58 +0200118}
Aron Griffis3dce1742007-11-28 16:55:44 -0500119
Michal Marek09155122010-06-17 15:14:58 +0200120collect_files()
121{
122 local file res
123
124 for file; do
125 case "$file" in
126 *\~*)
127 continue
128 ;;
129 esac
130 if test -e "$file"; then
131 res="$res$(cat "$file")"
132 fi
133 done
134 echo "$res"
135}
136
137if $scm_only; then
Michal Marekb003afe2010-07-15 10:36:37 +0200138 if test ! -e .scmversion; then
139 res=$(scm_version)
140 echo "$res" >.scmversion
141 fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500142 exit
143fi
144
Michal Marek09155122010-06-17 15:14:58 +0200145if test -e include/config/auto.conf; then
Michał Górny6dc0c2f2010-07-18 10:26:40 +0200146 . include/config/auto.conf
Michal Marek09155122010-06-17 15:14:58 +0200147else
148 echo "Error: kernelrelease not valid - run 'make prepare' to update it"
149 exit 1
150fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500151
Michal Marek09155122010-06-17 15:14:58 +0200152# localversion* files in the build and source directory
153res="$(collect_files localversion*)"
154if test ! "$srctree" -ef .; then
155 res="$res$(collect_files "$srctree"/localversion*)"
156fi
157
158# CONFIG_LOCALVERSION and LOCALVERSION (if set)
159res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
160
161# scm version string if not at a tagged commit
162if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
163 # full scm version string
164 res="$res$(scm_version)"
165else
Michael Prokopc3e2f192010-09-06 11:57:19 +0200166 # append a plus sign if the repository is not in a clean
167 # annotated or signed tagged state (as git describe only
168 # looks at signed or annotated tags - git tag -a/-s) and
169 # LOCALVERSION= is not specified
Michal Marek09155122010-06-17 15:14:58 +0200170 if test "${LOCALVERSION+set}" != "set"; then
171 scm=$(scm_version --short)
172 res="$res${scm:++}"
Aron Griffis3dce1742007-11-28 16:55:44 -0500173 fi
Rene Scharfe117a93d2006-01-04 20:42:03 +0100174fi
Bryan Wuba3d05f2008-02-03 14:13:26 +0800175
Michal Marek09155122010-06-17 15:14:58 +0200176echo "$res"