mpc8308rdb: add support for Spansion SPI flash on header J8
[platform/kernel/u-boot.git] / tools / setlocalversion
1 #!/bin/sh
2 #
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 #
9
10 usage() {
11         echo "Usage: $0 [--save-scmversion] [srctree]" >&2
12         exit 1
13 }
14
15 scm_only=false
16 srctree=.
17 if test "$1" = "--save-scmversion"; then
18         scm_only=true
19         shift
20 fi
21 if test $# -gt 0; then
22         srctree=$1
23         shift
24 fi
25 if test $# -gt 0 -o ! -d "$srctree"; then
26         usage
27 fi
28
29 scm_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
41         fi
42
43         # 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 $head`"
70                 fi
71
72                 # Update index only on r/w media
73                 [ -w . ] && git update-index --refresh --unmerged > /dev/null
74
75                 # Check for uncommitted changes
76                 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
77                     | read dummy; then
78                         printf '%s' -dirty
79                 fi
80
81                 # All done with git
82                 return
83         fi
84
85         # Check for mercurial and a mercurial repo.
86         if test -d .hg && hgid=`hg id 2>/dev/null`; then
87                 # Do we have an tagged version?  If so, latesttagdistance == 1
88                 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
89                         id=`hg log -r . --template '{latesttag}'`
90                         printf '%s%s' -hg "$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
119 collect_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
136 if $scm_only; then
137         if test ! -e .scmversion; then
138                 res=$(scm_version)
139                 echo "$res" >.scmversion
140         fi
141         exit
142 fi
143
144 #if test -e include/config/auto.conf; then
145 #       . include/config/auto.conf
146 #else
147 #       echo "Error: kernelrelease not valid - run 'make prepare' to update it"
148 #       exit 1
149 #fi
150 CONFIG_LOCALVERSION=
151 CONFIG_LOCALVERSION_AUTO=y
152
153 # localversion* files in the build and source directory
154 res="$(collect_files localversion*)"
155 if test ! "$srctree" -ef .; then
156         res="$res$(collect_files "$srctree"/localversion*)"
157 fi
158
159 # CONFIG_LOCALVERSION and LOCALVERSION (if set)
160 res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
161
162 # scm version string if not at a tagged commit
163 if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
164         # full scm version string
165         res="$res$(scm_version)"
166 else
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:++}"
174         fi
175 fi
176
177 echo "$res"