FreeBSD/Linux Kernel Cross Reference
sys/conf/newvers.sh
1 #!/bin/sh -
2 #
3 # Copyright (c) 1984, 1986, 1990, 1993
4 # The Regents of the University of California. All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 # 3. Neither the name of the University nor the names of its contributors
15 # may be used to endorse or promote products derived from this software
16 # without specific prior written permission.
17 #
18 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 # SUCH DAMAGE.
29 #
30 # @(#)newvers.sh 8.1 (Berkeley) 4/20/94
31 # $FreeBSD: releng/11.2/sys/conf/newvers.sh 343793 2019-02-05 18:22:21Z emaste $
32
33 # Command line options:
34 #
35 # -r Reproducible build. Do not embed directory names, user
36 # names, time stamps or other dynamic information into
37 # the output file. This is intended to allow two builds
38 # done at different times and even by different people on
39 # different hosts to produce identical output.
40 #
41 # -R Reproducible build if the tree represents an unmodified
42 # checkout from a version control system. Metadata is
43 # included if the tree is modified.
44
45 TYPE="FreeBSD"
46 REVISION="11.2"
47 BRANCH="RELEASE-p9"
48 if [ -n "${BRANCH_OVERRIDE}" ]; then
49 BRANCH=${BRANCH_OVERRIDE}
50 fi
51 RELEASE="${REVISION}-${BRANCH}"
52 VERSION="${TYPE} ${RELEASE}"
53
54 #
55 # findvcs dir
56 # Looks up directory dir at world root and up the filesystem
57 #
58 findvcs()
59 {
60 local savedir
61
62 savedir=$(pwd)
63 cd ${SYSDIR}/..
64 while [ $(pwd) != "/" ]; do
65 if [ -e "./$1" ]; then
66 VCSDIR=$(pwd)"/$1"
67 cd ${savedir}
68 return 0
69 fi
70 cd ..
71 done
72 cd ${savedir}
73 return 1
74 }
75
76 if [ -z "${SYSDIR}" ]; then
77 SYSDIR=$(dirname $0)/..
78 fi
79
80 if [ -n "${PARAMFILE}" ]; then
81 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
82 ${PARAMFILE})
83 else
84 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
85 ${SYSDIR}/sys/param.h)
86 fi
87
88 b=share/examples/etc/bsd-style-copyright
89 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
90 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
91 else
92 year=$(date +%Y)
93 fi
94 # look for copyright template
95 for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
96 do
97 if [ -r "$bsd_copyright" ]; then
98 COPYRIGHT=`sed \
99 -e "s/\[year\]/1992-$year/" \
100 -e 's/\[your name here\]\.* /The FreeBSD Project./' \
101 -e 's/\[your name\]\.*/The FreeBSD Project./' \
102 -e '/\[id for your version control system, if any\]/d' \
103 $bsd_copyright`
104 break
105 fi
106 done
107
108 # no copyright found, use a dummy
109 if [ -z "$COPYRIGHT" ]; then
110 COPYRIGHT="/*-
111 * Copyright (c) 1992-$year The FreeBSD Project.
112 * All rights reserved.
113 *
114 */"
115 fi
116
117 # add newline
118 COPYRIGHT="$COPYRIGHT
119 "
120
121 # VARS_ONLY means no files should be generated, this is just being
122 # included.
123 if [ -n "$VARS_ONLY" ]; then
124 return 0
125 fi
126
127 LC_ALL=C; export LC_ALL
128 if [ ! -r version ]
129 then
130 echo 0 > version
131 fi
132
133 touch version
134 v=`cat version`
135 u=${USER:-root}
136 d=`pwd`
137 h=${HOSTNAME:-`hostname`}
138 if [ -n "$SOURCE_DATE_EPOCH" ]; then
139 if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
140 echo "Invalid SOURCE_DATE_EPOCH" >&2
141 exit 1
142 fi
143 else
144 t=`date`
145 fi
146 i=`${MAKE:-make} -V KERN_IDENT`
147 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
148
149 for dir in /usr/bin /usr/local/bin; do
150 if [ ! -z "${svnversion}" ] ; then
151 break
152 fi
153 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
154 # Run svnversion from ${dir} on this script; if return code
155 # is not zero, the checkout might not be compatible with the
156 # svnversion being used.
157 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
158 if [ $? -eq 0 ]; then
159 svnversion=${dir}/svnversion
160 break
161 fi
162 fi
163 done
164
165 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
166 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
167 if [ $? -eq 0 ]; then
168 svnversion=/usr/bin/svnliteversion
169 else
170 svnversion=
171 fi
172 fi
173
174 for dir in /usr/bin /usr/local/bin; do
175 if [ -x "${dir}/p4" ] && [ -z ${p4_cmd} ] ; then
176 p4_cmd=${dir}/p4
177 fi
178 done
179
180 if findvcs .git; then
181 for dir in /usr/bin /usr/local/bin; do
182 if [ -x "${dir}/git" ] ; then
183 git_cmd="${dir}/git --git-dir=${VCSDIR}"
184 break
185 fi
186 done
187 fi
188
189 if findvcs .hg; then
190 for dir in /usr/bin /usr/local/bin; do
191 if [ -x "${dir}/hg" ] ; then
192 hg_cmd="${dir}/hg -R ${VCSDIR}"
193 break
194 fi
195 done
196 fi
197
198 if [ -n "$svnversion" ] ; then
199 svn=`cd ${SYSDIR} && $svnversion 2>/dev/null`
200 case "$svn" in
201 [0-9]*[MSP]|*:*)
202 svn=" r${svn}"
203 modified=true
204 ;;
205 [0-9]*)
206 svn=" r${svn}"
207 ;;
208 *)
209 unset svn
210 ;;
211 esac
212 fi
213
214 if [ -n "$git_cmd" ] ; then
215 git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null`
216 svn=`$git_cmd svn find-rev $git 2>/dev/null`
217 if [ -n "$svn" ] ; then
218 svn=" r${svn}"
219 git="=${git}"
220 else
221 svn=`$git_cmd log --grep '^git-svn-id:' | \
222 grep '^ git-svn-id:' | head -1 | \
223 sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
224 if [ -z "$svn" ] ; then
225 svn=`$git_cmd log --format='format:%N' | \
226 grep '^svn ' | head -1 | \
227 sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'`
228 fi
229 if [ -n "$svn" ] ; then
230 svn=" r${svn}"
231 git="+${git}"
232 else
233 git=" ${git}"
234 fi
235 fi
236 git_b=`$git_cmd rev-parse --abbrev-ref HEAD`
237 if [ -n "$git_b" ] ; then
238 git="${git}(${git_b})"
239 fi
240 if $git_cmd --work-tree=${VCSDIR}/.. diff-index \
241 --name-only HEAD | read dummy; then
242 git="${git}-dirty"
243 modified=true
244 fi
245 fi
246
247 if [ -n "$p4_cmd" ] ; then
248 p4version=`cd ${SYSDIR} && $p4_cmd changes -m1 "./...#have" 2>&1 | \
249 awk '{ print $2 }'`
250 case "$p4version" in
251 [0-9]*)
252 p4version=" ${p4version}"
253 p4opened=`cd ${SYSDIR} && $p4_cmd opened ./... 2>&1`
254 case "$p4opened" in
255 File*) ;;
256 //*)
257 p4version="${p4version}+edit"
258 modified=true
259 ;;
260 esac
261 ;;
262 *) unset p4version ;;
263 esac
264 fi
265
266 if [ -n "$hg_cmd" ] ; then
267 hg=`$hg_cmd id 2>/dev/null`
268 svn=`$hg_cmd svn info 2>/dev/null | \
269 awk -F': ' '/Revision/ { print $2 }'`
270 if [ -n "$svn" ] ; then
271 svn=" r${svn}"
272 fi
273 if [ -n "$hg" ] ; then
274 hg=" ${hg}"
275 fi
276 fi
277
278 include_metadata=true
279 while getopts rR opt; do
280 case "$opt" in
281 r)
282 include_metadata=
283 ;;
284 R)
285 if [ -z "${modified}" ]; then
286 include_metadata=
287 fi
288 esac
289 done
290 shift $((OPTIND - 1))
291
292 if [ -z "${include_metadata}" ]; then
293 VERINFO="${VERSION} ${svn}${git}${hg}${p4version}"
294 VERSTR="${VERINFO}\\n"
295 else
296 VERINFO="${VERSION} #${v}${svn}${git}${hg}${p4version}: ${t}"
297 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n"
298 fi
299
300 cat << EOF > vers.c
301 $COPYRIGHT
302 #define SCCSSTR "@(#)${VERINFO}"
303 #define VERSTR "${VERSTR}"
304 #define RELSTR "${RELEASE}"
305
306 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
307 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
308 char compiler_version[] = "${compiler_v}";
309 char ostype[] = "${TYPE}";
310 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
311 int osreldate = ${RELDATE};
312 char kern_ident[] = "${i}";
313 EOF
314
315 echo $((v + 1)) > version
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