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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# If something goes wrong, send a mail the kernel build mailinglist
7# (see MAINTAINERS) and CC Nico Schottelius
8# <nico-linuxsetlocalversion -at- schottelius.org>.
9#
10#
11
12usage() {
13 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
14 exit 1
15}
16
17scm_only=false
18srctree=.
19if test "$1" = "--save-scmversion"; then
20 scm_only=true
21 shift
22fi
23if test $# -gt 0; then
24 srctree=$1
25 shift
26fi
27if test $# -gt 0 -o ! -d "$srctree"; then
28 usage
29fi
30
31scm_version()
32{
33 local short
34 short=false
35
36 cd "$srctree"
37 if test -e .scmversion; then
38 cat .scmversion
39 return
40 fi
41 if test "$1" = "--short"; then
42 short=true
43 fi
44
45 # Check for git and a git repo.
46 if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
47
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
51
52 # If only the short version is requested, don't bother
53 # running further git commands
54 if $short; then
55 echo "+"
56 return
57 fi
58 # If we are past a tagged commit (like
59 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
60 if atag="`git describe 2>/dev/null`"; then
61 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
62
63 # If we don't have a tag at all we print -g{commitish}.
64 else
65 printf '%s%s' -g $head
66 fi
67 fi
68
69 # Is this git on svn?
70 if git config --get svn-remote.svn.url >/dev/null; then
71 printf -- '-svn%s' "`git svn find-rev $head`"
72 fi
73
74 # Update index only on r/w media
75 [ -w . ] && git update-index --refresh --unmerged > /dev/null
76
77 # Check for uncommitted changes
78 if git diff-index --name-only HEAD | grep -v "^scripts/package" \
79 | read dummy; then
80 printf '%s' -dirty
81 fi
82
83 # All done with git
84 return
85 fi
86
87 # Check for mercurial and a mercurial repo.
88 if test -d .hg && hgid=`hg id 2>/dev/null`; then
89 # Do we have an tagged version? If so, latesttagdistance == 1
90 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
91 id=`hg log -r . --template '{latesttag}'`
92 printf '%s%s' -hg "$id"
93 else
94 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
95 if [ -z "$tag" -o "$tag" = tip ]; then
96 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
97 printf '%s%s' -hg "$id"
98 fi
99 fi
100
101 # Are there uncommitted changes?
102 # These are represented by + after the changeset id.
103 case "$hgid" in
104 *+|*+\ *) printf '%s' -dirty ;;
105 esac
106
107 # All done with mercurial
108 return
109 fi
110
111 # Check for svn and a svn repo.
112 if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
113 rev=`echo $rev | awk '{print $NF}'`
114 printf -- '-svn%s' "$rev"
115
116 # All done with svn
117 return
118 fi
119}
120
121collect_files()
122{
123 local file res
124
125 for file; do
126 case "$file" in
127 *\~*)
128 continue
129 ;;
130 esac
131 if test -e "$file"; then
132 res="$res$(cat "$file")"
133 fi
134 done
135 echo "$res"
136}
137
138if $scm_only; then
139 if test ! -e .scmversion; then
140 res=$(scm_version)
141 echo "$res" >.scmversion
142 fi
143 exit
144fi
145
146if test -e include/config/auto.conf; then
147 . include/config/auto.conf
148else
149 echo "Error: kernelrelease not valid - run 'make prepare' to update it"
150 exit 1
151fi
152
153# localversion* files in the build and source directory
154res="$(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:++}"
174 fi
175fi
176
177echo "$res"
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3#
4# This scripts adds local version information from the version
5# control systems git, mercurial (hg) and subversion (svn).
6#
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>.
10#
11#
12
13usage() {
14 echo "Usage: $0 [--save-scmversion] [srctree]" >&2
15 exit 1
16}
17
18scm_only=false
19srctree=.
20if test "$1" = "--save-scmversion"; then
21 scm_only=true
22 shift
23fi
24if test $# -gt 0; then
25 srctree=$1
26 shift
27fi
28if test $# -gt 0 -o ! -d "$srctree"; then
29 usage
30fi
31
32scm_version()
33{
34 local short
35 short=false
36
37 cd "$srctree"
38 if test -e .scmversion; then
39 cat .scmversion
40 return
41 fi
42 if test "$1" = "--short"; then
43 short=true
44 fi
45
46 # Check for git and a git repo.
47 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
48 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
49
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
53
54 # If only the short version is requested, don't bother
55 # running further git commands
56 if $short; then
57 echo "+"
58 return
59 fi
60 # If we are past a tagged commit (like
61 # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
62 if atag="`git describe 2>/dev/null`"; then
63 echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
64
65 # If we don't have a tag at all we print -g{commitish}.
66 else
67 printf '%s%s' -g $head
68 fi
69 fi
70
71 # Is this git on svn?
72 if git config --get svn-remote.svn.url >/dev/null; then
73 printf -- '-svn%s' "`git svn find-rev $head`"
74 fi
75
76 # Check for uncommitted changes.
77 # First, with git-status, but --no-optional-locks is only
78 # supported in git >= 2.14, so fall back to git-diff-index if
79 # it fails. Note that git-diff-index does not refresh the
80 # index, so it may give misleading results. See
81 # git-update-index(1), git-diff-index(1), and git-status(1).
82 if {
83 git --no-optional-locks status -uno --porcelain 2>/dev/null ||
84 git diff-index --name-only HEAD
85 } | grep -qvE '^(.. )?scripts/package'; then
86 printf '%s' -dirty
87 fi
88
89 # All done with git
90 return
91 fi
92
93 # Check for mercurial and a mercurial repo.
94 if test -d .hg && hgid=`hg id 2>/dev/null`; then
95 # Do we have an tagged version? If so, latesttagdistance == 1
96 if [ "`hg log -r . --template '{latesttagdistance}'`" = "1" ]; then
97 id=`hg log -r . --template '{latesttag}'`
98 printf '%s%s' -hg "$id"
99 else
100 tag=`printf '%s' "$hgid" | cut -d' ' -f2`
101 if [ -z "$tag" -o "$tag" = tip ]; then
102 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
103 printf '%s%s' -hg "$id"
104 fi
105 fi
106
107 # Are there uncommitted changes?
108 # These are represented by + after the changeset id.
109 case "$hgid" in
110 *+|*+\ *) printf '%s' -dirty ;;
111 esac
112
113 # All done with mercurial
114 return
115 fi
116
117 # Check for svn and a svn repo.
118 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then
119 rev=`echo $rev | awk '{print $NF}'`
120 printf -- '-svn%s' "$rev"
121
122 # All done with svn
123 return
124 fi
125}
126
127collect_files()
128{
129 local file res=
130
131 for file; do
132 case "$file" in
133 *\~*)
134 continue
135 ;;
136 esac
137 if test -e "$file"; then
138 res="$res$(cat "$file")"
139 fi
140 done
141 echo "$res"
142}
143
144if $scm_only; then
145 if test ! -e .scmversion; then
146 res=$(scm_version)
147 echo "$res" >.scmversion
148 fi
149 exit
150fi
151
152if test -e include/config/auto.conf; then
153 . include/config/auto.conf
154else
155 echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
156 exit 1
157fi
158
159# localversion* files in the build and source directory
160res="$(collect_files localversion*)"
161if test ! "$srctree" -ef .; then
162 res="$res$(collect_files "$srctree"/localversion*)"
163fi
164
165# CONFIG_LOCALVERSION and LOCALVERSION (if set)
166res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
167
168# scm version string if not at a tagged commit
169if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
170 # full scm version string
171 res="$res$(scm_version)"
172else
173 # append a plus sign if the repository is not in a clean
174 # annotated or signed tagged state (as git describe only
175 # looks at signed or annotated tags - git tag -a/-s) and
176 # LOCALVERSION= is not specified
177 if test "${LOCALVERSION+set}" != "set"; then
178 scm=$(scm_version --short)
179 res="$res${scm:++}"
180 fi
181fi
182
183echo "$res"