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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 $head`"
74 fi
75
76 # Check for uncommitted changes
77 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
78 printf '%s' -dirty
79 fi
80
81 # All done with git
82 return
83 fi
84
85 # Check for mercurial and a mercurial repo.
86 if test -d .hg && hgid=`hg id 2>/dev/null`; then
87 # Do we have an tagged version? If so, latesttagdistance == 1
88 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then
89 id=`hg log -r . --template '{latesttag}'`
90 printf '%s%s' -hg "$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=`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"
113
114 # All done with svn
115 return
116 fi
117}
118
119collect_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
136if $scm_only; then
137 if test ! -e .scmversion; then
138 res=$(scm_version)
139 echo "$res" >.scmversion
140 fi
141 exit
142fi
143
144if test -e include/config/auto.conf; then
145 . include/config/auto.conf
146else
147 echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
148 exit 1
149fi
150
151# localversion* files in the build and source directory
152res="$(collect_files localversion*)"
153if test ! "$srctree" -ef .; then
154 res="$res$(collect_files "$srctree"/localversion*)"
155fi
156
157# CONFIG_LOCALVERSION and LOCALVERSION (if set)
158res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
159
160# scm version string if not at a tagged commit
161if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
162 # full scm version string
163 res="$res$(scm_version)"
164else
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)
171 res="$res${scm:++}"
172 fi
173fi
174
175echo "$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"