--- /dev/null
+#!/bin/bash
+
+# Copyright (c) 2015 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This aptly-named script verifies and fixes time ordering
+# problems with Makefile.{am,in} aclocal.m4 configure* files.
+
+set -eu
+#set -vx
+
+touch=""
+commit=""
+comma_v=""
+aclocal=""
+optimize=""
+
+# The old autowank scheme used "touch <foo> ; sleep 1"
+# to ensure differentiable, ordered timestamps. Worked, but
+# took N seconds given N files to fix. We have an example
+# which wastes multiple minutes given the old scheme.
+#
+# This version generates a sequence of timestamps
+# starting an hour ago. That gives us
+# lots to play with, in case some obnoxious program feels the need
+# to complain about timestamps in the future.
+
+# If we're in UTC+N land, generate UTC+(N+1)
+# If we're in UTC-N land, generate UTC-(N-1)
+
+my_tz=`date +%z`
+sign=`echo $my_tz | sed -n -e 's/^\(.\{1\}\).*$/\1/p'`
+t=`echo $my_tz | sed -n -e 's/^\(.\{1\}\)//p'`
+tz_hour=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
+tz_hour=`echo $tz_hour | sed 's/^0//'`
+
+if [ $sign = "-" ] ; then
+ sign="+"
+ let tz_hour=$tz_hour+1
+ if [[ $tz_hour -ge "24" ]] ; then
+ tz_hour=0
+ fi
+else
+ sign="-"
+ let tz_hour=$tz_hour-1 || true
+ if [[ $tz_hour -lt "0" ]] ; then
+ tz_hour=23
+ fi
+fi
+
+# Timestamp, an hour ago:
+ts_begin=`TZ=UTC${sign}${tz_hour} date +%Y%m%d%H%M.%S`
+
+# break into constituent parts
+year=`echo $ts_begin | sed -n -e 's/^\(.\{4\}\).*$/\1/p'`
+t=`echo $ts_begin | sed -n -e 's/^\(.\{4\}\)//p'`
+month=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
+t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
+day=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
+t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
+hour=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
+t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
+min=`echo $t | sed -n -e 's/^\(.\{2\}\).*$/\1/p'`
+t=`echo $t | sed -n -e 's/^\(.\{2\}\)//p'`
+sec=`echo $t | sed -n -e 's/\.//p'`
+
+# How many days in the current month?
+# Good until someone changes the calendar rules
+days_in_current_month() {
+ if [[ $month -eq 9 || $month -eq 4 \
+ || $month -eq 6 || $month -eq 11 ]] ; then
+ return 30;
+ fi
+ if [[ $month -eq 2 ]] ; then
+ let t=($year/400)*400
+ if [[ $t -eq $year ]] ; then
+ return 29;
+ fi
+ let t=($year/100)*100
+ if [[ $t -eq $year ]] ; then
+ return 28;
+ fi
+ let t=($year/4)*4
+ if [[ $t -eq $year ]] ; then
+ return 29;
+ fi
+ return 28;
+ fi
+ return 31;
+}
+
+# The next timestamp to issue via touch
+# A real hemorrhoid because bash isnt easily convinced
+# that 08 is a decimal number
+next_ts() {
+ sec=`echo $sec | sed 's/^0//'`
+ let sec=$sec+1
+ if [[ "$sec" -lt "60" ]] ; then
+ if [[ "$sec" -lt "10" ]] ; then
+ sec=0$sec
+ fi
+ return 0;
+ fi
+ sec="00"
+ min=`echo $min | sed 's/^0//'`
+ let min=$min+1
+ if [[ "$min" -lt "60" ]] ; then
+ if [[ "$min" -lt "10" ]] ; then
+ min=0$min
+ fi
+ return 0;
+ fi
+ min="00"
+ hour=`echo $hour | sed 's/^0//'`
+ let hour=$hour+1
+ if [[ "$hour" -lt "24" ]] ; then
+ if [[ "$hour" -lt "10" ]] ; then
+ hour=0$hour
+ fi
+ return 0;
+ fi
+ hour="00"
+ days_in_current_month
+ days_in_month=$?
+ if [[ "$day" -lt "$days_in_month" ]] ; then
+ day=`echo $day | sed 's/^0//'`
+ let day=$day+1
+ if [[ "$day" -lt "10" ]] ; then
+ day=0$day
+ fi
+ return 0;
+ fi
+ day="01"
+ month=`echo $month | sed 's/^0//'`
+ let month=$month+1
+ if [[ "$month" -lt "13" ]] ; then
+ if [[ "$month" -lt "10" ]] ; then
+ month=0$month
+ fi
+ return 0;
+ fi
+ month="01"
+ let year=$year+1
+ return 0;
+}
+
+while [ $# != 0 ] ; do
+ case "$1" in
+ (--commav) comma_v=",v" ;;
+ (--touch) touch=yes ;;
+ (--aclocal) aclocal=yes ;;
+ (--nooptimize) optimize="" ;;
+ (--commit=*) commit="$1" ;;
+ (*) echo "$0: usage [--touch|--commit|]" > /dev/stderr
+ exit 17 ;;
+ esac
+ shift
+done
+
+if [ "${aclocal}" != "" ] ; then
+ if [ -f aclocal.m4 ] ; then
+ echo touching aclocal.m4
+ sleep 1
+ touch aclocal.m4
+ else
+ echo aclocal.m4 not found
+ fi
+fi
+
+if [ "${comma_v}" != "" -a "${commit}" != "" ] ; then
+ echo "No, you may NOT molest ,v files directly. Go away." > /dev/stderr
+ exit 1
+fi
+
+function touchme ()
+{
+ local victim="${1}"
+ shift
+ local touchmebaby=""
+ local sein="is"
+ local newer="no"
+ local older="no"
+
+ if [ ! -r "$victim" ] ; then
+ echo " Possible problem: No $victim exists. " > /dev/stderr
+ return
+ fi
+
+ while [ $# != 0 ] ; do
+ if [ "${1}" -nt "${victim}" ] ; then
+ newer="yes"
+ fi
+ if [ "${1}" -ot "${victim}" ] ; then
+ older="yes"
+ fi
+ if [ "${newer}" = "no" -a "${older}" = "no" ] ; then
+ newer="yes"
+ fi
+
+ if [ "${newer}" = "yes" ] ; then
+ if [ "${touchmebaby}" = "" ] ; then
+ touchmebaby="${1}"
+ else
+ sein="are"
+ touchmebaby="${touchmebaby} ${1}"
+ fi
+ fi
+ shift
+ done
+ if [ -n "${touchmebaby}" ] ; then
+ echo "*** ${touchmebaby} ${sein} newer than ${victim} "
+ if [ -n "${touch}" ] ; then
+ #
+ # This is the old version, in case something backfires...
+ if [ "${optimize}" != "yes" ] ; then
+ echo "Fixing " ;touch -c "$victim" ; sleep 1
+ else
+ echo "Fixing "
+ # echo touch -c -t $year$month$day$hour$min.$sec "$victim"
+ touch -c -t $year$month$day$hour$min.$sec "$victim"
+ next_ts
+ fi
+ fi
+ fi
+}
+
+makefileins="`/usr/bin/find . -name Attic -prune -o -name Makefile.in${comma_v}`"
+
+# aclocal.m4 depends on ***/Makefile.am, configure.ac, acinclude.m4, *.m4 crap
+touchme aclocal.m4${comma_v} \
+ `/usr/bin/find . -name Attic -prune -o -name Makefile.am${comma_v}` \
+ "configure.in${comma_v}" "configure.ac${comma_v}" \
+ "acinclude.m4${comma_v}"
+
+# Makefile.in must be newer than Makefile.am
+for f in $makefileins ; do
+ d="`dirname ${f}`"
+ touchme "${d}/Makefile.in${comma_v}" "${d}/Makefile.am${comma_v}"
+done
+
+# Makefile.in depends on aclocal.m4
+for f in $makefileins ; do
+ d="`dirname $f`"
+ touchme "${d}/Makefile.in${comma_v}" "aclocal.m4${comma_v}"
+done
+
+# config.in must be newer than aclocal.m4 and configure.ac
+if [ -f "config.in${comma_v}" ] ; then
+ touchme "config.in${comma_v}" "aclocal.m4${comma_v}" \
+ "configure.ac${comma_v}" \
+ "configure.in${comma_v}"
+fi
+
+# config.h.in (or More Thoroughly Modern configh.in)
+# must be newer than aclocal.m4 and (obsolete) acconfig.h
+for c_h_in in config.h.in configh.in ; do
+ if [ -f "${c_h_in}${comma_v}" ]; then
+ touchme "${c_h_in}${comma_v}" "aclocal.m4${comma_v}" "acconfig.h${comma_v}"
+ #>>>> WTF? Why? This is nonsensical
+ ## ***/Makefile.in must be newer than config.h.in
+ #for f in $makefileins ; do
+ # touchme "$f" "${c_h_in}${comma_v}"
+ #done
+ fi
+done
+
+# configure must be newer than everything
+# touchme configure $makefileins -- why would this be needed?
+touchme "configure${comma_v}" "aclocal.m4${comma_v}" "acconfig.h${comma_v}" \
+ "config.in${comma_v}" "config.h.in${comma_v}" \
+ "configh.in${comma_v}"
+
+if [ -n "${commit}" ] ; then
+ commit="${commit:9}" # strip off "--commit="
+ # First ***/Makefile.am,
+ # configure.in, configure.ac,
+ # ***/*.m4
+ # acconfig.h
+ cvs commit -m "${commit}" \
+ `for f in ${makefileins} ; do \
+ [ -f "$${f%.in}.am" ] && echo "$${f%.in}.am" ; \
+ done` \
+ `[ -f configure.in ] && echo configure.in` \
+ `[ -f configure.ac ] && echo configure.ac` \
+ `[ -f acconfig.h ] && echo acconfig.h` \
+ `/usr/bin/find . -name '*.m4' -mindepth 2`
+
+ # Next aclocal.m4
+ [ -f "aclocal.m4" ] && cvs commit -m "${commit}" aclocal.m4
+
+ # Next config.in, config.h.in, configh.in
+ [ -f "config.in" ] && cvs commit -m "${commit}" config.in
+ [ -f "config.h.in" ] && cvs commit -m "${commit}" config.h.in
+ [ -f "configh.in" ] && cvs commit -m "${commit}" configh.in
+
+ # Last ***/Makefile.in, configure
+ cvs commit -m "${commit}" ${makefileins} configure
+fi
Code Review / vpp.git / blobdiff