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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 "$1" = "--short"; then
42 short=true
43 fi
Nico Schottelius33252572009-05-16 14:00:56 +020044
Michal Marek09155122010-06-17 15:14:58 +020045 # Check for git and a git repo.
Franck Bui-Huu7593e092013-12-02 16:34:29 +010046 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
47 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
Nico Schottelius33252572009-05-16 14:00:56 +020048
Michal Marek09155122010-06-17 15:14:58 +020049 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
50 # it, because this version is defined in the top level Makefile.
51 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
52
53 # If only the short version is requested, don't bother
54 # running further git commands
55 if $short; then
56 echo "+"
57 return
58 fi
59 # If we are past a tagged commit (like
60 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
61 if atag="`git describe 2>/dev/null`"; then
62 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
63
64 # If we don't have a tag at all we print -g{commitish}.
65 else
66 printf '%s%s' -g $head
67 fi
Nico Schottelius33252572009-05-16 14:00:56 +020068 fi
Michal Marek09155122010-06-17 15:14:58 +020069
70 # Is this git on svn?
71 if git config --get svn-remote.svn.url >/dev/null; then
72 printf -- '-svn%s' "`git svn find-rev $head`"
73 fi
74
Michal Marek09155122010-06-17 15:14:58 +020075 # Check for uncommitted changes
Roland Dreier7f3bd6c2012-03-23 09:42:27 -070076 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
Michal Marek09155122010-06-17 15:14:58 +020077 printf '%s' -dirty
78 fi
79
80 # All done with git
81 return
Rene Scharfe117a93d2006-01-04 20:42:03 +010082 fi
Ryan Andersonaaebf432005-07-31 04:57:49 -040083
Michal Marek09155122010-06-17 15:14:58 +020084 # Check for mercurial and a mercurial repo.
Michal Marek8558f592010-08-16 17:09:52 +020085 if test -d .hg && hgid=`hg id 2>/dev/null`; then
Mike Crowe38b34392011-01-12 00:53:52 -050086 # Do we have an tagged version? If so, latesttagdistance == 1
87 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
88 id=`hg log -r . --template '{latesttag}'`
Michal Marek09155122010-06-17 15:14:58 +020089 printf '%s%s' -hg "$id"
Mike Crowe38b34392011-01-12 00:53:52 -050090 else
91 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
92 if [ -z "$tag" -o "$tag" = tip ]; then
93 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
94 printf '%s%s' -hg "$id"
95 fi
Michal Marek09155122010-06-17 15:14:58 +020096 fi
97
98 # Are there uncommitted changes?
99 # These are represented by + after the changeset id.
100 case "$hgid" in
101 *+|*+\ *) printf '%s' -dirty ;;
102 esac
103
104 # All done with mercurial
105 return
Peter Korsgaardff80aa92008-12-02 21:58:06 +0100106 fi
107
Michal Marek09155122010-06-17 15:14:58 +0200108 # Check for svn and a svn repo.
Christophe Leroyf893bfb2013-02-22 09:59:18 +0100109 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 +0200110 rev=`echo $rev | awk '{print $NF}'`
111 printf -- '-svn%s' "$rev"
Nico Schotteliusa2bb90a2009-06-12 09:59:52 +0200112
Michal Marek09155122010-06-17 15:14:58 +0200113 # All done with svn
114 return
Rene Scharfe117a93d2006-01-04 20:42:03 +0100115 fi
Michal Marek09155122010-06-17 15:14:58 +0200116}
Aron Griffis3dce1742007-11-28 16:55:44 -0500117
Michal Marek09155122010-06-17 15:14:58 +0200118collect_files()
119{
120 local file res
121
122 for file; do
123 case "$file" in
124 *\~*)
125 continue
126 ;;
127 esac
128 if test -e "$file"; then
129 res="$res$(cat "$file")"
130 fi
131 done
132 echo "$res"
133}
134
135if $scm_only; then
Michal Marekb003afe2010-07-15 10:36:37 +0200136 if test ! -e .scmversion; then
137 res=$(scm_version)
138 echo "$res" >.scmversion
139 fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500140 exit
141fi
142
Michal Marek09155122010-06-17 15:14:58 +0200143if test -e include/config/auto.conf; then
Michał Górny6dc0c2f2010-07-18 10:26:40 +0200144 . include/config/auto.conf
Michal Marek09155122010-06-17 15:14:58 +0200145else
146 echo "Error: kernelrelease not valid - run 'make prepare' to update it"
147 exit 1
148fi
Aron Griffis3dce1742007-11-28 16:55:44 -0500149
Michal Marek09155122010-06-17 15:14:58 +0200150# localversion* files in the build and source directory
151res="$(collect_files localversion*)"
152if test ! "$srctree" -ef .; then
153 res="$res$(collect_files "$srctree"/localversion*)"
154fi
155
156# CONFIG_LOCALVERSION and LOCALVERSION (if set)
157res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
158
159# scm version string if not at a tagged commit
160if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
161 # full scm version string
162 res="$res$(scm_version)"
163else
Michael Prokopc3e2f192010-09-06 11:57:19 +0200164 # append a plus sign if the repository is not in a clean
165 # annotated or signed tagged state (as git describe only
166 # looks at signed or annotated tags - git tag -a/-s) and
167 # LOCALVERSION= is not specified
Michal Marek09155122010-06-17 15:14:58 +0200168 if test "${LOCALVERSION+set}" != "set"; then
169 scm=$(scm_version --short)
170 res="$res${scm:++}"
Aron Griffis3dce1742007-11-28 16:55:44 -0500171 fi
Rene Scharfe117a93d2006-01-04 20:42:03 +0100172fi
Bryan Wuba3d05f2008-02-03 14:13:26 +0800173
Michal Marek09155122010-06-17 15:14:58 +0200174echo "$res"