xref: /freebsd/sys/conf/newvers.sh (revision cbd30a72ca196976c1c700400ecd424baa1b9c16)
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# $FreeBSD$
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
45TYPE="FreeBSD"
46REVISION="12.0"
47BRANCH="CURRENT"
48if [ -n "${BRANCH_OVERRIDE}" ]; then
49	BRANCH=${BRANCH_OVERRIDE}
50fi
51RELEASE="${REVISION}-${BRANCH}"
52VERSION="${TYPE} ${RELEASE}"
53
54#
55# findvcs dir
56#	Looks up directory dir at world root and up the filesystem
57#
58findvcs()
59{
60	local savedir
61
62	savedir=$(pwd)
63	cd ${SYSDIR}/..
64	while [ $(pwd) != "/" ]; do
65		if [ -d "./$1" ]; then
66			VCSDIR=$(pwd)"/$1"
67			cd ${savedir}
68			return 0
69		fi
70		cd ..
71	done
72	cd ${savedir}
73	return 1
74}
75
76if [ -z "${SYSDIR}" ]; then
77    SYSDIR=$(dirname $0)/..
78fi
79
80if [ -n "${PARAMFILE}" ]; then
81	RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
82		${PARAMFILE})
83else
84	RELDATE=$(awk '/__FreeBSD_version.*propagated to newvers/ {print $3}' \
85		${SYSDIR}/sys/param.h)
86fi
87
88b=share/examples/etc/bsd-style-copyright
89if [ -r "${SYSDIR}/../COPYRIGHT" ]; then
90	year=$(sed -Ee '/^Copyright .* The FreeBSD Project/!d;s/^.*1992-([0-9]*) .*$/\1/g' ${SYSDIR}/../COPYRIGHT)
91else
92	year=$(date +%Y)
93fi
94# look for copyright template
95for bsd_copyright in ../$b ../../$b ../../../$b /usr/src/$b /usr/$b
96do
97	if [ -r "$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		    $bsd_copyright`
104		break
105	fi
106done
107
108# no copyright found, use a dummy
109if [ -z "$COPYRIGHT" ]; then
110	COPYRIGHT="/*-
111 * Copyright (c) 1992-$year The FreeBSD Project.
112 * All rights reserved.
113 *
114 */"
115fi
116
117# add newline
118COPYRIGHT="$COPYRIGHT
119"
120
121# VARS_ONLY means no files should be generated, this is just being
122# included.
123if [ -n "$VARS_ONLY" ]; then
124	return 0
125fi
126
127LC_ALL=C; export LC_ALL
128if [ ! -r version ]
129then
130	echo 0 > version
131fi
132
133touch version
134v=`cat version`
135u=${USER:-root}
136d=`pwd`
137h=${HOSTNAME:-`hostname`}
138if [ -n "$SOURCE_DATE_EPOCH" ]; then
139	if ! t=`date -r $SOURCE_DATE_EPOCH 2>/dev/null`; then
140		echo "Invalid SOURCE_DATE_EPOCH" >&2
141		exit 1
142	fi
143else
144	t=`date`
145fi
146i=`${MAKE:-make} -V KERN_IDENT`
147compiler_v=$($(${MAKE:-make} -V CC) -v 2>&1 | grep -w 'version')
148
149for dir in /usr/bin /usr/local/bin; do
150	if [ ! -z "${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
163done
164
165if [ -z "${svnversion}" ] && [ -x /usr/bin/svnliteversion ] ; then
166	/usr/bin/svnliteversion $(realpath ${0}) >/dev/null 2>&1
167	if [ $? -eq 0 ]; then
168		svnversion=/usr/bin/svnliteversion
169	else
170		svnversion=
171	fi
172fi
173
174for dir in /usr/bin /usr/local/bin; do
175	if [ -x "${dir}/p4" ] && [ -z ${p4_cmd} ] ; then
176		p4_cmd=${dir}/p4
177	fi
178done
179
180if 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=${VCSDIR}"
184			break
185		fi
186	done
187fi
188
189if findvcs .hg; then
190	for dir in /usr/bin /usr/local/bin; do
191		if [ -x "${dir}/hg" ] ; then
192			hg_cmd="${dir}/hg -R ${VCSDIR}"
193			break
194		fi
195	done
196fi
197
198if [ -n "$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
212fi
213
214if [ -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 | fgrep 'git-svn-id:' | head -1 | \
222		     sed -n 's/^.*@\([0-9][0-9]*\).*$/\1/p'`
223		if [ -z "$svn" ] ; then
224			svn=`$git_cmd log --format='format:%N' | \
225			     grep '^svn ' | head -1 | \
226			     sed -n 's/^.*revision=\([0-9][0-9]*\).*$/\1/p'`
227		fi
228		if [ -n "$svn" ] ; then
229			svn=" r${svn}"
230			git="+${git}"
231		else
232			git=" ${git}"
233		fi
234	fi
235	git_b=`$git_cmd rev-parse --abbrev-ref HEAD`
236	if [ -n "$git_b" ] ; then
237		git="${git}(${git_b})"
238	fi
239	if $git_cmd --work-tree=${VCSDIR}/.. diff-index \
240	    --name-only HEAD | read dummy; then
241		git="${git}-dirty"
242		modified=true
243	fi
244fi
245
246if [ -n "$p4_cmd" ] ; then
247	p4version=`cd ${SYSDIR} && $p4_cmd changes -m1 "./...#have" 2>&1 | \
248		awk '{ print $2 }'`
249	case "$p4version" in
250	[0-9]*)
251		p4version=" ${p4version}"
252		p4opened=`cd ${SYSDIR} && $p4_cmd opened ./... 2>&1`
253		case "$p4opened" in
254		File*) ;;
255		//*)
256			p4version="${p4version}+edit"
257			modified=true
258			;;
259		esac
260		;;
261	*)	unset p4version ;;
262	esac
263fi
264
265if [ -n "$hg_cmd" ] ; then
266	hg=`$hg_cmd id 2>/dev/null`
267	svn=`$hg_cmd svn info 2>/dev/null | \
268		awk -F': ' '/Revision/ { print $2 }'`
269	if [ -n "$svn" ] ; then
270		svn=" r${svn}"
271	fi
272	if [ -n "$hg" ] ; then
273		hg=" ${hg}"
274	fi
275fi
276
277include_metadata=true
278while getopts rR opt; do
279	case "$opt" in
280	r)
281		include_metadata=
282		;;
283	R)
284		if [ -z "${modified}" ]; then
285			include_metadata=
286		fi
287	esac
288done
289shift $((OPTIND - 1))
290
291if [ -z "${include_metadata}" ]; then
292	VERINFO="${VERSION} ${svn}${git}${hg}${p4version}"
293	VERSTR="${VERINFO}\\n"
294else
295	VERINFO="${VERSION} #${v}${svn}${git}${hg}${p4version}: ${t}"
296	VERSTR="${VERINFO}\\n    ${u}@${h}:${d}\\n"
297fi
298
299cat << EOF > vers.c
300$COPYRIGHT
301#define SCCSSTR "@(#)${VERINFO}"
302#define VERSTR "${VERSTR}"
303#define RELSTR "${RELEASE}"
304
305char sccs[sizeof(SCCSSTR) > 128 ? sizeof(SCCSSTR) : 128] = SCCSSTR;
306char version[sizeof(VERSTR) > 256 ? sizeof(VERSTR) : 256] = VERSTR;
307char compiler_version[] = "${compiler_v}";
308char ostype[] = "${TYPE}";
309char osrelease[sizeof(RELSTR) > 32 ? sizeof(RELSTR) : 32] = RELSTR;
310int osreldate = ${RELDATE};
311char kern_ident[] = "${i}";
312EOF
313
314echo $((v + 1)) > version
315