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Wolfgang Denk881a87e2006-02-21 17:33:04 +01001#!/bin/sh
Kyle Moffetta7b39182011-12-16 11:14:40 +00002#
3# This scripts adds local version information from the version
4# control systems git, mercurial (hg) and subversion (svn).
5#
6# It was originally copied from the Linux kernel v3.2.0-rc4 and modified
7# to support the U-Boot build-system.
8#
Wolfgang Denk881a87e2006-02-21 17:33:04 +01009
10usage() {
Kyle Moffetta7b39182011-12-16 11:14:40 +000011 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
Wolfgang Denk881a87e2006-02-21 17:33:04 +010012 exit 1
13}
14
Kyle Moffetta7b39182011-12-16 11:14:40 +000015scm_only=false
16srctree=.
17if test "$1" = "--save-scmversion"; then
18 scm_only=true
19 shift
20fi
21if test $# -gt 0; then
22 srctree=$1
23 shift
24fi
25if test $# -gt 0 -o ! -d "$srctree"; then
26 usage
27fi
Wolfgang Denk881a87e2006-02-21 17:33:04 +010028
Kyle Moffetta7b39182011-12-16 11:14:40 +000029scm_version()
30{
31 local short
32 short=false
33
34 cd "$srctree"
35 if test -e .scmversion; then
36 cat .scmversion
37 return
38 fi
39 if test "$1" = "--short"; then
40 short=true
Wolfgang Denk881a87e2006-02-21 17:33:04 +010041 fi
42
Kyle Moffetta7b39182011-12-16 11:14:40 +000043 # Check for git and a git repo.
44 if test -e .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
45
46 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
47 # it, because this version is defined in the top level Makefile.
48 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
49
50 # If only the short version is requested, don't bother
51 # running further git commands
52 if $short; then
53 echo "+"
54 return
55 fi
56 # If we are past a tagged commit (like
57 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
58 if atag="`git describe 2>/dev/null`"; then
59 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
60
61 # If we don't have a tag at all we print -g{commitish}.
62 else
63 printf '%s%s' -g $head
64 fi
65 fi
66
67 # Is this git on svn?
68 if git config --get svn-remote.svn.url >/dev/null; then
69 printf -- '-svn%s' "`git svn find-rev $head`"
70 fi
71
72 # Update index only on r/w media
73 [ -w . ] && git update-index --refresh --unmerged > /dev/null
74
75 # Check for uncommitted changes
76 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
77 | read dummy; then
78 printf '%s' -dirty
79 fi
80
81 # All done with git
82 return
Wolfgang Denk881a87e2006-02-21 17:33:04 +010083 fi
Mike Frysinger92bad202008-04-08 14:00:57 -040084
Kyle Moffetta7b39182011-12-16 11:14:40 +000085 # Check for mercurial and a mercurial repo.
86 if test -d .hg && hgid=`hg id 2>/dev/null`; then
87 # Do we have an tagged version? If so, latesttagdistance == 1
88 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
89 id=`hg log -r . --template '{latesttag}'`
90 printf '%s%s' -hg "$id"
91 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 "$id"
96 fi
97 fi
98
99 # Are there uncommitted changes?
100 # These are represented by + after the changeset id.
101 case "$hgid" in
102 *+|*+\ *) printf '%s' -dirty ;;
103 esac
104
105 # All done with mercurial
106 return
107 fi
108
109 # Check for svn and a svn repo.
110 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
111 rev=`echo $rev | awk '{print $NF}'`
112 printf -- '-svn%s' "$rev"
113
114 # All done with svn
115 return
116 fi
117}
118
119collect_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 $scm_only; then
137 if test ! -e .scmversion; then
138 res=$(scm_version)
139 echo "$res" >.scmversion
140 fi
141 exit
142fi
143
144#if test -e include/config/auto.conf; then
145# . include/config/auto.conf
146#else
147# echo "Error: kernelrelease not valid - run 'make prepare' to update it"
148# exit 1
149#fi
150CONFIG_LOCALVERSION=
151CONFIG_LOCALVERSION_AUTO=y
152
153# localversion* files in the build and source directory
154res="$(collect_files localversion*)"
155if test ! "$srctree" -ef .; then
156 res="$res$(collect_files "$srctree"/localversion*)"
157fi
158
159# CONFIG_LOCALVERSION and LOCALVERSION (if set)
160res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
161
162# scm version string if not at a tagged commit
163if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
164 # full scm version string
165 res="$res$(scm_version)"
166else
167 # append a plus sign if the repository is not in a clean
168 # annotated or signed tagged state (as git describe only
169 # looks at signed or annotated tags - git tag -a/-s) and
170 # LOCALVERSION= is not specified
171 if test "${LOCALVERSION+set}" != "set"; then
172 scm=$(scm_version --short)
173 res="$res${scm:++}"
Mike Frysinger92bad202008-04-08 14:00:57 -0400174 fi
Wolfgang Denk881a87e2006-02-21 17:33:04 +0100175fi
Mike Frysinger92bad202008-04-08 14:00:57 -0400176
Kyle Moffetta7b39182011-12-16 11:14:40 +0000177echo "$res"