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 "$1" = "--short"; then
45 # Check for git and a git repo.
46 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
47 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
49 # 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
53 # If only the short version is requested, don't bother
54 # running further git commands
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))}'
64 # If we don't have a tag at all we print -g{commitish}.
66 printf '%s%s' -g $head
71 if git config
--get svn-remote.svn.url
>/dev
/null
; then
72 printf -- '-svn%s' "`git svn find-rev $head`"
75 # Check for uncommitted changes
76 if git diff-index
--name-only HEAD |
grep -qv "^scripts/package"; then
84 # Check for mercurial and a mercurial repo.
85 if test -d .hg
&& hgid
=`hg id 2>/dev/null`; then
86 # Do we have an tagged version? If so, latesttagdistance == 1
87 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
88 id
=`hg log -r . --template '{latesttag}'`
89 printf '%s%s' -hg "$id"
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"
98 # Are there uncommitted changes?
99 # These are represented by + after the changeset id.
101 *+|
*+\
*) printf '%s' -dirty ;;
104 # All done with mercurial
108 # Check for svn and a svn repo.
109 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
110 rev=`echo $rev | awk '{print $NF}'`
111 printf -- '-svn%s' "$rev"
128 if test -e "$file"; then
129 res
="$res$(cat "$file")"
136 if test ! -e .scmversion
; then
138 echo "$res" >.scmversion
143 if test -e include
/config
/auto.conf
; then
144 . include
/config
/auto.conf
146 echo "Error: kernelrelease not valid - run 'make prepare' to update it"
150 # localversion* files in the build and source directory
151 res
="$(collect_files localversion*)"
152 if test ! "$srctree" -ef .
; then
153 res
="$res$(collect_files "$srctree"/localversion*)"
156 # CONFIG_LOCALVERSION and LOCALVERSION (if set)
157 res
="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
159 # scm version string if not at a tagged commit
160 if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
161 # full scm version string
162 res
="$res$(scm_version)"
164 # 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
168 if test "${LOCALVERSION+set}" != "set"; then
169 scm
=$
(scm_version
--short)
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