2 # SPDX-License-Identifier: GPL-2.0
4 # This scripts adds local version information from the version
5 # control systems git, mercurial (hg) and subversion (svn).
7 # If something goes wrong, send a mail the kernel build mailinglist
8 # (see MAINTAINERS) and CC Nico Schottelius
9 # <nico-linuxsetlocalversion -at- schottelius.org>.
14 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
20 if test "$1" = "--save-scmversion"; then
24 if test $# -gt 0; then
28 if test $# -gt 0 -o ! -d "$srctree"; then
38 if test -e .scmversion; then
42 if test "$1" = "--short"; then
46 # Check for git and a git repo.
47 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
48 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
50 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
51 # it, because this version is defined in the top level Makefile.
52 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
54 # If only the short version is requested, don't bother
55 # running further git commands
60 # If we are past a tagged commit (like
61 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
62 if atag="`git describe 2>/dev/null`"; then
63 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
65 # If we don't have a tag at all we print -g{commitish}.
67 printf '%s%s' -g $head
72 if git config --get svn-remote.svn.url >/dev/null; then
73 printf -- '-svn%s' "`git svn find-rev $head`"
76 # Check for uncommitted changes
77 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
85 # Check for mercurial and a mercurial repo.
86 if test -d .hg && hgid=`hg id 2>/dev/null`; then
87 # Do we have an tagged version? If so, latesttagdistance == 1
88 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
89 id=`hg log -r . --template '{latesttag}'`
90 printf '%s%s' -hg "$id"
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"
99 # Are there uncommitted changes?
100 # These are represented by + after the changeset id.
102 *+|*+\ *) printf '%s' -dirty ;;
105 # All done with mercurial
109 # Check for svn and a svn repo.
110 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
111 rev=`echo $rev | awk '{print $NF}'`
112 printf -- '-svn%s' "$rev"
129 if test -e "$file"; then
130 res="$res$(cat "$file")"
137 if test ! -e .scmversion; then
139 echo "$res" >.scmversion
144 if test -e include/config/auto.conf; then
145 . include/config/auto.conf
147 echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
151 # localversion* files in the build and source directory
152 res="$(collect_files localversion*)"
153 if test ! "$srctree" -ef .; then
154 res="$res$(collect_files "$srctree"/localversion*)"
157 # CONFIG_LOCALVERSION and LOCALVERSION (if set)
158 res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
160 # scm version string if not at a tagged commit
161 if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
162 # full scm version string
163 res="$res$(scm_version)"
165 # append a plus sign if the repository is not in a clean
166 # annotated or signed tagged state (as git describe only
167 # looks at signed or annotated tags - git tag -a/-s) and
168 # LOCALVERSION= is not specified
169 if test "${LOCALVERSION+set}" != "set"; then
170 scm=$(scm_version --short)