3 # SPDX-License-Identifier: BSD-3-Clause
5 # Copyright (c) 1984, 1986, 1990, 1993
6 # The Regents of the University of California. All rights reserved.
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions
11 # 1. Redistributions of source code must retain the above copyright
12 # notice, this list of conditions and the following disclaimer.
13 # 2. Redistributions in binary form must reproduce the above copyright
14 # notice, this list of conditions and the following disclaimer in the
15 # documentation and/or other materials provided with the distribution.
16 # 3. Neither the name of the University nor the names of its contributors
17 # may be used to endorse or promote products derived from this software
18 # without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 # @(#)newvers.sh 8.1 (Berkeley) 4/20/94
35 # Command line options:
37 # -r Reproducible build. Do not embed directory names, user
38 # names, time stamps or other dynamic information into
39 # the output file. This is intended to allow two builds
40 # done at different times and even by different people on
41 # different hosts to produce identical output.
43 # -R Reproducible build if the tree represents an unmodified
44 # checkout from a version control system. Metadata is
45 # included if the tree is modified.
50 if [ -n "${BRANCH_OVERRIDE}" ]; then
51 BRANCH=${BRANCH_OVERRIDE}
53 RELEASE="${REVISION}-${BRANCH}"
54 VERSION="${TYPE} ${RELEASE}"
58 # Looks up directory dir at world root and up the filesystem
66 while [ $(pwd) != "/" ]; do
67 if [ -e "./$1" ]; then
81 # git diff-index lists both files that are known to have changes as
82 # well as those with metadata that does not match what is recorded in
83 # git's internal state. The latter case is indicated by an all-zero
84 # destination file hash.
89 mkfifo -m 600 $fifo || exit 1
90 $git_cmd --work-tree=${VCSTOP} diff-index HEAD > $fifo &
91 while read smode dmode ssha dsha status file; do
92 if ! expr $dsha : '^00*$' >/dev/null; then
96 if ! $git_cmd --work-tree=${VCSTOP} diff --quiet -- "${file}"; then
101 # No files with content differences.
107 if [ -z "${SYSDIR}" ]; then
108 SYSDIR=$(dirname $0)/..
111 if [ -n "${PARAMFILE}" ]; then
112 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
115 RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
116 ${SYSDIR}/sys/param.h)
119 b=share/examples/etc/bsd-style-copyright
120 if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
121 year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
125 # look for copyright template
126 for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
128 if [ -r "$bsd_copyright" ]; then
130 -e "s/\[year\]/1992-$year/" \
131 -e 's/\[your name here\]\.* /The FreeBSD Project./' \
132 -e 's/\[your name\]\.*/The FreeBSD Project./' \
133 -e '/\[id for your version control system, if any\]/d' \
139 # no copyright found, use a dummy
140 if [ -z "$COPYRIGHT" ]; then
142 * Copyright (c) 1992-$year The FreeBSD Project.
143 * All rights reserved.
149 COPYRIGHT="$COPYRIGHT
152 # VARS_ONLY means no files should be generated, this is just being
154 if [ -n "$VARS_ONLY" ]; then
158 LC_ALL=C; export LC_ALL
168 h=${HOSTNAME:-`hostname`}
169 if [ -n "$SOURCE_DATE_EPOCH" ]; then
170 if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
171 echo "Invalid SOURCE_DATE_EPOCH" >&2
177 i=`${MAKE:-make} -V KERN_IDENT`
178 compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
180 for dir in /usr/bin /usr/local/bin; do
181 if [ ! -z "${svnversion}" ] ; then
184 if [ -x "${dir}/svnversion" ] && [ -z ${svnversion} ] ; then
185 # Run svnversion from ${dir} on this script; if return code
186 # is not zero, the checkout might not be compatible with the
187 # svnversion being used.
188 ${dir}/svnversion $(realpath ${0}) >/dev/null 2>&1
189 if [ $? -eq 0 ]; then
190 svnversion=${dir}/svnversion
196 if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
197 /usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
198 if [ $? -eq 0 ]; then
199 svnversion=/usr/bin/svnliteversion
205 if findvcs .git; then
206 for dir in /usr/bin /usr/local/bin; do
207 if [ -x "${dir}/git" ] ; then
208 git_cmd="${dir}/git -c help.autocorrect=0 --git-dir=${VCSDIR}"
215 for dir in /usr/bin /usr/local/bin; do
216 if [ -x "${dir}/hg" ] ; then
217 hg_cmd="${dir}/hg -R ${VCSDIR}"
223 if [ -n "$svnversion" ] ; then
224 svn=`cd ${SYSDIR} && $svnversion 2>/dev/null`
239 if [ -n "$git_cmd" ] ; then
240 git=`$git_cmd rev-parse --verify --short HEAD 2>/dev/null`
241 gitsvn=`$git_cmd svn find-rev $git 2>/dev/null`
242 if [ -n "$gitsvn" ] ; then
246 # Log searches are limited to 10k commits to speed up failures.
247 # We assume that if a tree is more than 10k commits out-of-sync
248 # with FreeBSD, it has forked the the OS and the SVN rev no
250 gitsvn=`$git_cmd log -n 10000 |
251 grep '^ git-svn-id:' | head -1 | \
252 sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
253 if [ -z "$gitsvn" ] ; then
254 gitsvn=`$git_cmd log -n 10000 --format='format:%N' | \
255 grep '^svn ' | head -1 | \
256 sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'`
258 if [ -n "$gitsvn" ] ; then
265 git_b=`$git_cmd rev-parse --abbrev-ref HEAD`
266 if [ -n "$git_b" ] ; then
267 git="${git}(${git_b})"
269 if git_tree_modified; then
275 if [ -n "$hg_cmd" ] ; then
276 hg=`$hg_cmd id 2>/dev/null`
277 hgsvn=`$hg_cmd svn info 2>/dev/null | \
278 awk -F': ' '/Revision/ { print $2 }'`
279 if [ -n "$hgsvn" ] ; then
282 if [ -n "$hg" ] ; then
287 include_metadata=true
288 while getopts rR opt; do
294 if [ -z "${modified}" ]; then
299 shift $((OPTIND - 1))
301 if [ -z "${include_metadata}" ]; then
302 VERINFO="${VERSION}${svn}${git}${hg} ${i}"
303 VERSTR="${VERINFO}\\n"
305 VERINFO="${VERSION} #${v}${svn}${git}${hg}: ${t}"
306 VERSTR="${VERINFO}\\n ${u}@${h}:${d}\\n"
309 vers_content_new=$(cat << EOF
311 #define SCCSSTR "@(#)${VERINFO}"
312 #define VERSTR "${VERSTR}"
313 #define RELSTR "${RELEASE}"
315 char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
316 char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
317 char compiler_version[] = "${compiler_v}";
318 char ostype[] = "${TYPE}";
319 char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
320 int osreldate = ${RELDATE};
321 char kern_ident[] = "${i}";
324 vers_content_old=$(cat vers.c 2>/dev/null || true)
325 if [ "$vers_content_new" != "$vers_content_old" ]; then
326 echo "$vers_content_new" > vers.c
329 echo $((v + 1)) > version