3 # This scripts adds local version information from the version
4 # control systems git, mercurial (hg) and subversion (svn).
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>.
13 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
19 if test "$1" = "--save-scmversion"; then
23 if test $# -gt 0; then
27 if test $# -gt 0 -o ! -d "$srctree"; then
37 if test -e .scmversion
; then
41 if test "$1" = "--short"; then
45 # Check for git and a git repo.
46 if test -d .git
&& head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
48 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
49 # it, because this version is defined in the top level Makefile.
50 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
52 # If only the short version is requested, don't bother
53 # running further git commands
58 # If we are past a tagged commit (like
59 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
60 if atag
="`git describe 2>/dev/null`"; then
61 echo "$atag" |
awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
63 # If we don't have a tag at all we print -g{commitish}.
65 printf '%s%s' -g $head
70 if git config
--get svn-remote.svn.url
>/dev
/null
; then
71 printf -- '-svn%s' "`git svn find-rev $head`"
74 # Update index only on r/w media
75 [ -w .
] && git update-index
--refresh --unmerged > /dev
/null
77 # Check for uncommitted changes
78 if git diff-index
--name-only HEAD |
grep -v "^scripts/package" \
87 # Check for mercurial and a mercurial repo.
88 if test -d .hg
&& hgid
=`hg id 2>/dev/null`; then
89 tag
=`printf '%s' "$hgid" | cut -s -d' ' -f2`
91 # Do we have an untagged version?
92 if [ -z "$tag" -o "$tag" = tip
]; then
93 id
=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
94 printf '%s%s' -hg "$id"
97 # Are there uncommitted changes?
98 # These are represented by + after the changeset id.
100 *+|
*+\
*) printf '%s' -dirty ;;
103 # All done with mercurial
107 # Check for svn and a svn repo.
108 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
109 rev=`echo $rev | awk '{print $NF}'`
110 printf -- '-svn%s' "$rev"
127 if test -e "$file"; then
128 res
="$res$(cat "$file")"
135 if test ! -e .scmversion
; then
137 echo "$res" >.scmversion
142 if test -e include
/config
/auto.conf
; then
143 . include
/config
/auto.conf
145 echo "Error: kernelrelease not valid - run 'make prepare' to update it"
149 # localversion* files in the build and source directory
150 res
="$(collect_files localversion*)"
151 if test ! "$srctree" -ef .
; then
152 res
="$res$(collect_files "$srctree"/localversion*)"
155 # CONFIG_LOCALVERSION and LOCALVERSION (if set)
156 res
="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
158 # scm version string if not at a tagged commit
159 if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
160 # full scm version string
161 res
="$res$(scm_version)"
163 # apped a plus sign if the repository is not in a clean tagged
164 # state and LOCALVERSION= is not specified
165 if test "${LOCALVERSION+set}" != "set"; then
166 scm
=$
(scm_version
--short)
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