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678 lines
17 KiB
Bash
Executable File
678 lines
17 KiB
Bash
Executable File
#! /bin/sh
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# RCS to ChangeLog generator
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# Generate a change log prefix from RCS files (perhaps in the CVS repository)
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# 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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Help='The default FILEs are the files registered under the working directory.
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Options:
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-c CHANGELOG Output a change log prefix to CHANGELOG (default ChangeLog).
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-h HOSTNAME Use HOSTNAME in change log entries (default current host).
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-i INDENT Indent change log lines by INDENT spaces (default 8).
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-l LENGTH Try to limit log lines to LENGTH characters (default 79).
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-R If no FILEs are given and RCS is used, recurse through working directory.
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-r OPTION Pass OPTION to subsidiary log command.
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-t TABWIDTH Tab stops are every TABWIDTH characters (default 8).
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-u "LOGIN<tab>FULLNAME<tab>MAILADDR" Assume LOGIN has FULLNAME and MAILADDR.
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-v Append RCS revision to file names in log lines.
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--help Output help.
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--version Output version number.
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Report bugs to <bug-gnu-emacs@gnu.org>.'
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Id='$Id: rcs2log,v 1.44 1998/08/12 14:22:14 eggert Exp eggert $'
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# Copyright 1992, 93, 94, 95, 96, 97, 1998 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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Copyright='Copyright 1998 Free Software Foundation, Inc.
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This program comes with NO WARRANTY, to the extent permitted by law.
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You may redistribute copies of this program
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under the terms of the GNU General Public License.
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For more information about these matters, see the files named COPYING.
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Author: Paul Eggert <eggert@twinsun.com>'
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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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changelog=ChangeLog # change log file name
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datearg= # rlog date option
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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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logTZ= # time zone for log dates (if empty, use local time)
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recursive= # t if we want recursive rlog
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revision= # t if we want revision numbers
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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 $1 in
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-c) changelog=${2?}; shift;;
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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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case $loginFullnameMailaddrs in
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'') loginFullnameMailaddrs=$2$tab$3$tab$4;;
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?*) loginFullnameMailaddrs=$loginFullnameMailaddrs$nl$2$tab$3$tab$4
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esac
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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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case $loginFullnameMailaddrs in
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'') loginFullnameMailaddrs=$2;;
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?*) loginFullnameMailaddrs=$loginFullnameMailaddrs$nl$2
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esac
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shift
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esac
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case $logins in
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'') logins=$login;;
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?*) logins=$logins$nl$login
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esac
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;;
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-r)
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case $rlog_options in
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'') rlog_options=${2?};;
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?*) rlog_options=$rlog_options$nl${2?}
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esac
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shift;;
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-R) recursive=t;;
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-t) tabwidth=${2?}; shift;;
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-v) revision=t;;
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--version)
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set $Id
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rcs2logVersion=$3
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echo >&2 "rcs2log (GNU Emacs) $rcs2logVersion$nl$Copyright"
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exit 0;;
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-*) echo >&2 "Usage: $0 [OPTION]... [FILE ...]$nl$Help"
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case $1 in
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--help) exit 0;;
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*) exit 1
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esac;;
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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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'
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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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# Since ChangeLog is only by date, some of these revisions may be duplicates of
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# what's already in ChangeLog; it's the user's responsibility to remove them.
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case $rlog_options in
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'')
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if test -s "$changelog"
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then
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e='
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/^[0-9]+-[0-9][0-9]-[0-9][0-9]/{
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# ISO 8601 date
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print $1
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exit
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}
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/^... ... [ 0-9][0-9] [ 0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9]+ /{
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# old-fashioned date and time (Emacs 19.31 and earlier)
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'"$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 = $3
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printf "%d-%02d-%02d\n", year, i+1, dd
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exit
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}
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'
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d=`$AWK "$e" <"$changelog"` || exit
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case $d in
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?*) datearg="-d>$d"
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esac
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fi
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esac
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# Use TZ specified by ChangeLog local variable, if any.
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if test -s "$changelog"
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then
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extractTZ='
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/^.*change-log-time-zone-rule['"$tab"' ]*:['"$tab"' ]*"\([^"]*\)".*/{
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s//\1/; p; q
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}
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/^.*change-log-time-zone-rule['"$tab"' ]*:['"$tab"' ]*t.*/{
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s//UTC0/; p; q
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}
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'
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logTZ=`tail "$changelog" | sed -n "$extractTZ"`
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case $logTZ in
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?*) TZ=$logTZ; export TZ
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esac
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fi
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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 -q 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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# Use $rlog's -zLT option, if $rlog supports it.
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case `$rlog -zLT 2>&1` in
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*' option'*) ;;
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*)
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case $rlog_options in
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'') rlog_options=-zLT;;
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?*) rlog_options=-zLT$nl$rlog_options
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esac
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esac
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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 $RCSdirs \
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-type f \
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! -name '*_' \
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! -name ',*,' \
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! -name '.*_' \
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! -name .rcsfreeze.log \
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! -name .rcsfreeze.ver \
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-print
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esac
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find . -name '*,v' -print
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} |
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sort -u |
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sed "$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 $file in
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RCS/. | RCS/.. | RCS/,*, | RCS/*_) continue;;
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RCS/.rcsfreeze.log | RCS/.rcsfreeze.ver) continue;;
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RCS/.\* | RCS/\* | .\*,v | \*,v) test -f "$file" || continue;;
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RCS/*,v | RCS/.*,v) ;;
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RCS/* | RCS/.*) test -f "$file" || continue
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esac
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case $files in
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'') files=$file;;
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?*) files=$files$nl$file
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esac
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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 $datearg in
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?*) $rlog $rlog_options "$datearg" ${1+"$@"} >$rlogout;;
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'') $rlog $rlog_options ${1+"$@"} >$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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(getent passwd $authors) ||
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(
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cat /etc/passwd
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for author in $authors
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do NIS_PATH= nismatch $author passwd.org_dir
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done
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ypmatch $authors passwd
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)
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} 2>/dev/null |
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$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 \001).
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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, SOH)) 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 \001 to \n.
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while ((i = index(Log, SOH)) != 0) {
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logline = substr(Log, 1, i-1)
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if (logline ~ /[^'"$tab"' ]/) {
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printf "%s%s\n", sep, logline
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} else {
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print ""
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}
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sep = indent_string
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Log = substr(Log, i+1)
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}
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}'
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# Pattern to match the `revision' line of rlog output.
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rlog_revision_pattern='^revision [0-9]+\.[0-9]+(\.[0-9]+\.[0-9]+)*(['"$tab"' ]+locked by: [^'"$tab"' $,.0-9:;@]*[^'"$tab"' $,:;@][^'"$tab"' $,.0-9:;@]*;)?['"$tab"' ]*$'
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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 \001 so that multiline entries fit on a single line.
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# Discard irrelevant rlog output.
|
||
$AWK <$rlogout '
|
||
BEGIN { repository = "'"$repository"'" }
|
||
/^RCS file:/ {
|
||
if (repository != "") {
|
||
filename = $3
|
||
if (substr(filename, 1, length(repository) + 1) == repository "/") {
|
||
filename = substr(filename, length(repository) + 2)
|
||
}
|
||
if (filename ~ /,v$/) {
|
||
filename = substr(filename, 1, length(filename) - 2)
|
||
}
|
||
if (filename ~ /(^|\/)Attic\/[^\/]*$/) {
|
||
i = length(filename)
|
||
while (substr(filename, i, 1) != "/") i--
|
||
filename = substr(filename, 1, i - 6) substr(filename, i + 1)
|
||
}
|
||
}
|
||
rev = "?"
|
||
}
|
||
/^Working file:/ { if (repository == "") filename = $3 }
|
||
/'"$rlog_revision_pattern"'/, /^(-----------*|===========*)$/ {
|
||
line = $0
|
||
if (line ~ /'"$rlog_revision_pattern"'/) {
|
||
rev = $2
|
||
next
|
||
}
|
||
if (line ~ /^date: [0-9][- +\/0-9:]*;/) {
|
||
date = $2
|
||
if (date ~ /\//) {
|
||
# This is a traditional RCS format date YYYY/MM/DD.
|
||
# Replace "/"s with "-"s to get ISO format.
|
||
newdate = ""
|
||
while ((i = index(date, "/")) != 0) {
|
||
newdate = newdate substr(date, 1, i-1) "-"
|
||
date = substr(date, i+1)
|
||
}
|
||
date = newdate date
|
||
}
|
||
time = substr($3, 1, length($3) - 1)
|
||
author = substr($5, 1, length($5)-1)
|
||
printf "%s %s %s %s %s %c", filename, rev, date, time, author, 1
|
||
rev = "?"
|
||
next
|
||
}
|
||
if (line ~ /^branches: /) { next }
|
||
if (line ~ /^(-----------*|===========*)$/) { print ""; next }
|
||
if (line == "Initial revision" || line ~ /^file .+ was initially added on branch .+\.$/) {
|
||
line = "New file."
|
||
}
|
||
printf "%s%c", line, 1
|
||
}
|
||
' |
|
||
|
||
# Now each line is of the form
|
||
# FILENAME REVISION YYYY-MM-DD HH:MM:SS[+-TIMEZONE] AUTHOR \001LOG
|
||
# where \001 stands for a carriage return,
|
||
# and each line of the log is terminated by \001 instead of \n.
|
||
# Sort the log entries, first by date+time (in reverse order),
|
||
# then by author, then by log entry, and finally by file name and revision
|
||
# (just in case).
|
||
sort +2 -4r +4 +0 |
|
||
|
||
# Finally, reformat the sorted log entries.
|
||
$AWK '
|
||
BEGIN {
|
||
logTZ = "'"$logTZ"'"
|
||
revision = "'"$revision"'"
|
||
|
||
# Some awk variants do not understand "\001", so we have to
|
||
# put the char directly in the file.
|
||
SOH="" # <-- There is a single SOH (octal code 001) here.
|
||
|
||
# Initialize the fullname and mailaddr associative arrays.
|
||
'"$initialize_fullname"'
|
||
'"$initialize_mailaddr"'
|
||
|
||
# Initialize indent string.
|
||
indent_string = ""
|
||
i = '"$indent"'
|
||
if (0 < '"$tabwidth"')
|
||
for (; '"$tabwidth"' <= i; i -= '"$tabwidth"')
|
||
indent_string = indent_string "\t"
|
||
while (1 <= i--)
|
||
indent_string = indent_string " "
|
||
}
|
||
|
||
{
|
||
newlog = substr($0, 1 + index($0, SOH))
|
||
|
||
# Ignore log entries prefixed by "#".
|
||
if (newlog ~ /^#/) { next }
|
||
|
||
if (Log != newlog || date != $3 || author != $5) {
|
||
|
||
# The previous log and this log differ.
|
||
|
||
# Print the old log.
|
||
if (date != "") '"$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 != $3 || author != $5) {
|
||
# The previous date+author and this date+author differ.
|
||
# Print the new one.
|
||
date = $3
|
||
time = $4
|
||
author = $5
|
||
|
||
zone = ""
|
||
if (logTZ && ((i = index(time, "-")) || (i = index(time, "+"))))
|
||
zone = " " substr(time, i)
|
||
|
||
# Print "date[ timezone] fullname <email address>".
|
||
# Get fullname and email address from associative arrays;
|
||
# default to author and author@hostname if not in arrays.
|
||
if (fullname[author])
|
||
auth = fullname[author]
|
||
else
|
||
auth = author
|
||
printf "%s%s %s ", date, zone, auth
|
||
if (mailaddr[author])
|
||
printf "<%s>\n\n", mailaddr[author]
|
||
else
|
||
printf "<%s@%s>\n\n", author, "'"$hostname"'"
|
||
}
|
||
if (! filesknown[$1]) {
|
||
filesknown[$1] = 1
|
||
if (files == "") files = " " $1
|
||
else files = files ", " $1
|
||
if (revision && $2 != "?") files = files " " $2
|
||
}
|
||
}
|
||
END {
|
||
# Print the last log.
|
||
if (date != "") {
|
||
'"$printlogline"'
|
||
printf "\n"
|
||
}
|
||
}
|
||
' &&
|
||
|
||
|
||
# Exit successfully.
|
||
|
||
exec rm -f $llogout $rlogout
|
||
|
||
# Local Variables:
|
||
# tab-width:4
|
||
# End:
|