606 lines
15 KiB
Bash
606 lines
15 KiB
Bash
#! /bin/sh
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# RCS to ChangeLog generator
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# Generate a change log prefix from RCS files and the ChangeLog (if any).
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# Output the new prefix to standard output.
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# You can edit this prefix by hand, and then prepend it to ChangeLog.
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# Ignore log entries that start with `#'.
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# Clump together log entries that start with `{topic} ',
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# where `topic' contains neither white space nor `}'.
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# Author: Paul Eggert <eggert@twinsun.com>
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# Copyright 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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tab=' '
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nl='
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'
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# Parse options.
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# defaults
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: ${AWK=awk}
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: ${TMPDIR=/tmp}
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hostname= # name of local host (if empty, will deduce it later)
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indent=8 # indent of log line
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length=79 # suggested max width of log line
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logins= # login names for people we know fullnames and mailaddrs of
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loginFullnameMailaddrs= # login<tab>fullname<tab>mailaddr triplets
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recursive= # t if we want recursive rlog
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rlog_options= # options to pass to rlog
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tabwidth=8 # width of horizontal tab
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while :
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do
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case $1 in
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-i) indent=${2?}; shift;;
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-h) hostname=${2?}; shift;;
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-l) length=${2?}; shift;;
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-[nu]) # -n is obsolescent; it is replaced by -u.
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case $1 in
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-n) case ${2?}${3?}${4?} in
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*"$tab"* | *"$nl"*)
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echo >&2 "$0: -n '$2' '$3' '$4': tabs, newlines not allowed"
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exit 1
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esac
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loginFullnameMailaddrs=$loginFullnameMailaddrs$nl$2$tab$3$tab$4
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shift; shift; shift;;
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-u)
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# If $2 is not tab-separated, use colon for separator.
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case ${2?} in
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*"$nl"*)
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echo >&2 "$0: -u '$2': newlines not allowed"
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exit 1;;
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*"$tab"*)
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t=$tab;;
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*)
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t=:
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esac
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case $2 in
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*"$t"*"$t"*"$t"*)
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echo >&2 "$0: -u '$2': too many fields"
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exit 1;;
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*"$t"*"$t"*)
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;;
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*)
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echo >&2 "$0: -u '$2': not enough fields"
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exit 1
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esac
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loginFullnameMailaddrs=$loginFullnameMailaddrs$nl$2
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shift
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esac
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logins=$logins$nl$login
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;;
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-r) rlog_options=$rlog_options$nl${2?}; shift;;
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-R) recursive=t;;
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-t) tabwidth=${2?}; shift;;
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-*) echo >&2 "$0: usage: $0 [options] [file ...]
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Options:
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[-h hostname] [-i indent] [-l length] [-R] [-r rlog_option]
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[-t tabwidth] [-u 'login<TAB>fullname<TAB>mailaddr']..."
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exit 1;;
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*) break
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esac
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shift
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done
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month_data='
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m[0]="Jan"; m[1]="Feb"; m[2]="Mar"
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m[3]="Apr"; m[4]="May"; m[5]="Jun"
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m[6]="Jul"; m[7]="Aug"; m[8]="Sep"
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m[9]="Oct"; m[10]="Nov"; m[11]="Dec"
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# days in non-leap year thus far, indexed by month (0-12)
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mo[0]=0; mo[1]=31; mo[2]=59; mo[3]=90
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mo[4]=120; mo[5]=151; mo[6]=181; mo[7]=212
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mo[8]=243; mo[9]=273; mo[10]=304; mo[11]=334
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mo[12]=365
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'
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# Put rlog output into $rlogout.
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# If no rlog options are given,
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# log the revisions checked in since the first ChangeLog entry.
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case $rlog_options in
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'')
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date=1970-01-01
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if test -s ChangeLog
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then
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# Add 1 to seconds to avoid duplicating most recent log.
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e='
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/^... ... [ 0-9][0-9] [ 0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9]+ /{
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'"$month_data"'
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year = $5
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for (i=0; i<=11; i++) if (m[i] == $2) break
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dd = $3
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hh = substr($0,12,2)
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mm = substr($0,15,2)
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ss = substr($0,18,2)
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ss++
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if (ss == 60) {
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ss = 0
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mm++
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if (mm == 60) {
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mm = 0
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hh++
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if (hh == 24) {
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hh = 0
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dd++
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monthdays = mo[i+1] - mo[i]
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if (i == 1 && year%4 == 0 && (year%100 != 0 || year%400 == 0)) monthdays++
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if (dd == monthdays + 1) {
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dd = 1
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i++
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if (i == 12) {
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i = 0
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year++
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}
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}
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}
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}
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}
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printf "%02d/%02d/%d %02d:%02d:%02d\n", i+1,dd,year,hh,mm,ss
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exit
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}
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'
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d=`$AWK "$e" <ChangeLog` || exit
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case $d in
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?*) date=$d
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esac
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fi
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datearg="-d>$date"
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esac
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# If CVS is in use, examine its repository, not the normal RCS files.
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if test ! -f CVS/Repository
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then
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rlog=rlog
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repository=
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else
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rlog='cvs log'
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repository=`sed 1q <CVS/Repository` || exit
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test ! -f CVS/Root || CVSROOT=`cat <CVS/Root` || exit
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case $CVSROOT in
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*:/*)
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# remote repository
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;;
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*)
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# local repository
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case $repository in
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/*) ;;
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*) repository=${CVSROOT?}/$repository
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esac
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if test ! -d "$repository"
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then
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echo >&2 "$0: $repository: bad repository (see CVS/Repository)"
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exit 1
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fi
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esac
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fi
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# With no arguments, examine all files under the RCS directory.
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case $# in
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0)
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case $repository in
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'')
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oldIFS=$IFS
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IFS=$nl
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case $recursive in
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t)
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RCSdirs=`find . -name RCS -type d -print`
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filesFromRCSfiles='s|,v$||; s|/RCS/|/|; s|^\./||'
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files=`
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{
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case $RCSdirs in
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?*) find $RCSdirs -type f -print
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esac
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find . -name '*,v' -print
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} |
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sort -u |
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sed "$filesFromRCSfiles"
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`;;
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*)
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files=
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for file in RCS/.* RCS/* .*,v *,v
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do
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case $file in
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RCS/. | RCS/..) continue;;
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RCS/.\* | RCS/\* | .\*,v | \*,v) test -f "$file" || continue
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esac
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files=$files$nl$file
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done
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case $files in
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'') exit 0
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esac
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esac
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set x $files
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shift
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IFS=$oldIFS
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esac
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esac
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llogout=$TMPDIR/rcs2log$$l
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rlogout=$TMPDIR/rcs2log$$r
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trap exit 1 2 13 15
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trap "rm -f $llogout $rlogout; exit 1" 0
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case $rlog_options in
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?*) $rlog $rlog_options ${1+"$@"} >$rlogout;;
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'') $rlog "$datearg" ${1+"$@"} >$rlogout
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esac || exit
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# Get the full name of each author the logs mention, and set initialize_fullname
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# to awk code that initializes the `fullname' awk associative array.
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# Warning: foreign authors (i.e. not known in the passwd file) are mishandled;
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# you have to fix the resulting output by hand.
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initialize_fullname=
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initialize_mailaddr=
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case $loginFullnameMailaddrs in
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?*)
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case $loginFullnameMailaddrs in
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*\"* | *\\*)
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sed 's/["\\]/\\&/g' >$llogout <<EOF || exit
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$loginFullnameMailaddrs
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EOF
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loginFullnameMailaddrs=`cat $llogout`
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esac
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oldIFS=$IFS
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IFS=$nl
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for loginFullnameMailaddr in $loginFullnameMailaddrs
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do
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case $loginFullnameMailaddr in
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*"$tab"*) IFS=$tab;;
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*) IFS=:
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esac
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set x $loginFullnameMailaddr
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login=$2
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fullname=$3
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mailaddr=$4
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initialize_fullname="$initialize_fullname
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fullname[\"$login\"] = \"$fullname\""
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initialize_mailaddr="$initialize_mailaddr
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mailaddr[\"$login\"] = \"$mailaddr\""
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done
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IFS=$oldIFS
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esac
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case $llogout in
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?*) sort -u -o $llogout <<EOF || exit
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$logins
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EOF
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esac
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output_authors='/^date: / {
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if ($2 ~ /^[0-9]*[-\/][0-9][0-9][-\/][0-9][0-9]$/ && $3 ~ /^[0-9][0-9]:[0-9][0-9]:[0-9][0-9][-+0-9:]*;$/ && $4 == "author:" && $5 ~ /^[^;]*;$/) {
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print substr($5, 1, length($5)-1)
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}
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}'
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authors=`
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$AWK "$output_authors" <$rlogout |
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case $llogout in
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'') sort -u;;
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?*) sort -u | comm -23 - $llogout
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esac
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`
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case $authors in
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?*)
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cat >$llogout <<EOF || exit
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$authors
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EOF
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initialize_author_script='s/["\\]/\\&/g; s/.*/author[\"&\"] = 1/'
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initialize_author=`sed -e "$initialize_author_script" <$llogout`
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awkscript='
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BEGIN {
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alphabet = "abcdefghijklmnopqrstuvwxyz"
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ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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'"$initialize_author"'
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}
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{
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if (author[$1]) {
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fullname = $5
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if (fullname ~ /[0-9]+-[^(]*\([0-9]+\)$/) {
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# Remove the junk from fullnames like "0000-Admin(0000)".
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fullname = substr(fullname, index(fullname, "-") + 1)
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fullname = substr(fullname, 1, index(fullname, "(") - 1)
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}
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if (fullname ~ /,[^ ]/) {
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# Some sites put comma-separated junk after the fullname.
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# Remove it, but leave "Bill Gates, Jr" alone.
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fullname = substr(fullname, 1, index(fullname, ",") - 1)
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}
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abbr = index(fullname, "&")
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if (abbr) {
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a = substr($1, 1, 1)
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A = a
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i = index(alphabet, a)
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if (i) A = substr(ALPHABET, i, 1)
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fullname = substr(fullname, 1, abbr-1) A substr($1, 2) substr(fullname, abbr+1)
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}
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# Quote quotes and backslashes properly in full names.
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# Do not use gsub; traditional awk lacks it.
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quoted = ""
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rest = fullname
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for (;;) {
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p = index(rest, "\\")
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q = index(rest, "\"")
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if (p) {
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if (q && q<p) p = q
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} else {
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if (!q) break
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p = q
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}
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quoted = quoted substr(rest, 1, p-1) "\\" substr(rest, p, 1)
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rest = substr(rest, p+1)
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}
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printf "fullname[\"%s\"] = \"%s%s\"\n", $1, quoted, rest
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author[$1] = 0
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}
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}
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'
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initialize_fullname=`
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(
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cat /etc/passwd
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for author in $authors
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do nismatch $author passwd.org_dir
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done
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ypmatch $authors passwd
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) 2>/dev/null |
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$AWK -F: "$awkscript"
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`$initialize_fullname
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esac
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# Function to print a single log line.
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# We don't use awk functions, to stay compatible with old awk versions.
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# `Log' is the log message (with \n replaced by \r).
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# `files' contains the affected files.
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printlogline='{
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# Following the GNU coding standards, rewrite
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# * file: (function): comment
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# to
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# * file (function): comment
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if (Log ~ /^\([^)]*\): /) {
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i = index(Log, ")")
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files = files " " substr(Log, 1, i)
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Log = substr(Log, i+3)
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}
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# If "label: comment" is too long, break the line after the ":".
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sep = " "
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if ('"$length"' <= '"$indent"' + 1 + length(files) + index(Log, CR)) sep = "\n" indent_string
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# Print the label.
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printf "%s*%s:", indent_string, files
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# Print each line of the log, transliterating \r to \n.
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while ((i = index(Log, CR)) != 0) {
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logline = substr(Log, 1, i-1)
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if (logline ~ /[^'"$tab"' ]/) {
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printf "%s%s\n", sep, logline
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} else {
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print ""
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}
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sep = indent_string
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Log = substr(Log, i+1)
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}
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}'
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case $hostname in
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'')
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hostname=`(
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hostname || uname -n || uuname -l || cat /etc/whoami
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) 2>/dev/null` || {
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echo >&2 "$0: cannot deduce hostname"
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exit 1
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}
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case $hostname in
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*.*) ;;
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*)
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domainname=`(domainname) 2>/dev/null` &&
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case $domainname in
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*.*) hostname=$hostname.$domainname
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esac
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esac
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esac
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# Process the rlog output, generating ChangeLog style entries.
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# First, reformat the rlog output so that each line contains one log entry.
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# Transliterate \n to \r so that multiline entries fit on a single line.
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# Discard irrelevant rlog output.
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$AWK <$rlogout '
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BEGIN { repository = "'"$repository"'" }
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/^RCS file:/ {
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if (repository != "") {
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filename = $3
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if (substr(filename, 1, length(repository) + 1) == repository "/") {
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filename = substr(filename, length(repository) + 2)
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}
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if (filename ~ /,v$/) {
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filename = substr(filename, 1, length(filename) - 2)
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}
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}
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}
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/^Working file:/ { if (repository == "") filename = $3 }
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/^date: /, /^(-----------*|===========*)$/ {
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if ($0 ~ /^branches: /) { next }
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if ($0 ~ /^date: [0-9][- +\/0-9:]*;/) {
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date = $2
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if (date ~ /-/) {
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# An ISO format date. Replace all "-"s with "/"s.
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newdate = ""
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while ((i = index(date, "-")) != 0) {
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newdate = newdate substr(date, 1, i-1) "/"
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date = substr(date, i+1)
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}
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date = newdate date
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}
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# Ignore any time zone; ChangeLog has no room for it.
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time = substr($3, 1, 8)
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author = substr($5, 1, length($5)-1)
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printf "%s %s %s %s %c", filename, date, time, author, 13
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next
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}
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if ($0 ~ /^(-----------*|===========*)$/) { print ""; next }
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printf "%s%c", $0, 13
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}
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' |
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# Now each line is of the form
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# FILENAME YYYY/MM/DD HH:MM:SS AUTHOR \rLOG
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# where \r stands for a carriage return,
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# and each line of the log is terminated by \r instead of \n.
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# Sort the log entries, first by date+time (in reverse order),
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# then by author, then by log entry, and finally by file name (just in case).
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sort +1 -3r +3 +0 |
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# Finally, reformat the sorted log entries.
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$AWK '
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BEGIN {
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# Some awk variants do not understand "\r" or "\013", so we have to
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# put a carriage return directly in the file.
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CR="
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" # <-- There is a single CR between the " chars here.
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# Initialize the fullname and mailaddr associative arrays.
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'"$initialize_fullname"'
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'"$initialize_mailaddr"'
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# Initialize indent string.
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indent_string = ""
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i = '"$indent"'
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if (0 < '"$tabwidth"')
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for (; '"$tabwidth"' <= i; i -= '"$tabwidth"')
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indent_string = indent_string "\t"
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while (1 <= i--)
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indent_string = indent_string " "
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# Set up date conversion tables.
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# RCS uses a nice, clean, sortable format,
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# but ChangeLog wants the traditional, ugly ctime format.
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# January 1, 0 AD (Gregorian) was Saturday = 6
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EPOCH_WEEKDAY = 6
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# Of course, there was no 0 AD, but the algorithm works anyway.
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w[0]="Sun"; w[1]="Mon"; w[2]="Tue"; w[3]="Wed"
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w[4]="Thu"; w[5]="Fri"; w[6]="Sat"
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'"$month_data"'
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}
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{
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newlog = substr($0, 1 + index($0, CR))
|
|
|
|
# Ignore log entries prefixed by "#".
|
|
if (newlog ~ /^#/) { next }
|
|
|
|
if (Log != newlog || date != $2 || author != $4) {
|
|
|
|
# The previous log and this log differ.
|
|
|
|
# Print the old log.
|
|
if (date != "") '"$printlogline"'
|
|
|
|
# Logs that begin with "{clumpname} " should be grouped together,
|
|
# and the clumpname should be removed.
|
|
# Extract the new clumpname from the log header,
|
|
# and use it to decide whether to output a blank line.
|
|
newclumpname = ""
|
|
sep = "\n"
|
|
if (date == "") sep = ""
|
|
if (newlog ~ /^\{[^'"$tab"' }]*}['"$tab"' ]/) {
|
|
i = index(newlog, "}")
|
|
newclumpname = substr(newlog, 1, i)
|
|
while (substr(newlog, i+1) ~ /^['"$tab"' ]/) i++
|
|
newlog = substr(newlog, i+1)
|
|
if (clumpname == newclumpname) sep = ""
|
|
}
|
|
printf sep
|
|
clumpname = newclumpname
|
|
|
|
# Get ready for the next log.
|
|
Log = newlog
|
|
if (files != "")
|
|
for (i in filesknown)
|
|
filesknown[i] = 0
|
|
files = ""
|
|
}
|
|
if (date != $2 || author != $4) {
|
|
# The previous date+author and this date+author differ.
|
|
# Print the new one.
|
|
date = $2
|
|
author = $4
|
|
|
|
# Convert nice RCS date like "1992/01/03 00:03:44"
|
|
# into ugly ctime date like "Fri Jan 3 00:03:44 1992".
|
|
# Calculate day of week from Gregorian calendar.
|
|
i = index($2, "/")
|
|
year = substr($2, 1, i-1) + 0
|
|
monthday = substr($2, i+1)
|
|
i = index(monthday, "/")
|
|
month = substr(monthday, 1, i-1) + 0
|
|
day = substr(monthday, i+1) + 0
|
|
leap = 0
|
|
if (2 < month && year%4 == 0 && (year%100 != 0 || year%400 == 0)) leap = 1
|
|
days_since_Sunday_before_epoch = EPOCH_WEEKDAY + year * 365 + int((year + 3) / 4) - int((year + 99) / 100) + int((year + 399) / 400) + mo[month-1] + leap + day - 1
|
|
|
|
# Print "date fullname (email address)".
|
|
# Get fullname and email address from associative arrays;
|
|
# default to author and author@hostname if not in arrays.
|
|
if (fullname[author])
|
|
auth = fullname[author]
|
|
else
|
|
auth = author
|
|
printf "%s %s %2d %s %d %s ", w[days_since_Sunday_before_epoch%7], m[month-1], day, $3, year, auth
|
|
if (mailaddr[author])
|
|
printf "<%s>\n\n", mailaddr[author]
|
|
else
|
|
printf "<%s@%s>\n\n", author, "'"$hostname"'"
|
|
}
|
|
if (! filesknown[$1]) {
|
|
filesknown[$1] = 1
|
|
if (files == "") files = " " $1
|
|
else files = files ", " $1
|
|
}
|
|
}
|
|
END {
|
|
# Print the last log.
|
|
if (date != "") {
|
|
'"$printlogline"'
|
|
printf "\n"
|
|
}
|
|
}
|
|
' &&
|
|
|
|
|
|
# Exit successfully.
|
|
|
|
exec rm -f $llogout $rlogout
|