lib-src/rcs2log

   1 #! /bin/sh
   2
   3 # RCS to ChangeLog generator
   4
   5 # Generate a change log prefix from RCS files (perhaps in the CVS repository)
   6 # and the ChangeLog (if any).
   7 # Output the new prefix to standard output.
   8 # You can edit this prefix by hand, and then prepend it to ChangeLog.
   9
  10 # Ignore log entries that start with `#'.
  11 # Clump together log entries that start with `{topic} ',
  12 # where `topic' contains neither white space nor `}'.
  13
  14 Help='The default FILEs are the files registered under the working directory.
  15 Options:
  16
  17   -c CHANGELOG  Output a change log prefix to CHANGELOG (default ChangeLog).
  18   -h HOSTNAME  Use HOSTNAME in change log entries (default current host).
  19   -i INDENT  Indent change log lines by INDENT spaces (default 8).
  20   -l LENGTH  Try to limit log lines to LENGTH characters (default 79).
  21   -L FILE  Use rlog-format FILE for source of logs.
  22   -R  If no FILEs are given and RCS is used, recurse through working directory.
  23   -r OPTION  Pass OPTION to subsidiary log command.
  24   -t TABWIDTH  Tab stops are every TABWIDTH characters (default 8).
  25   -u "LOGIN<tab>FULLNAME<tab>MAILADDR"  Assume LOGIN has FULLNAME and MAILADDR.
  26   -v  Append RCS revision to file names in log lines.
  27   --help  Output help.
  28   --version  Output version number.
  29
  30 Report bugs to <bug-gnu-emacs@gnu.org>.'
  31
  32 Id='$Id: rcs2log,v 1.52 2003/12/27 08:18:08 uid65632 Exp $'
  33
  34 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2001, 2002, 2003,
  35 # 2004 Free Software Foundation, Inc.
  36
  37 # This program is free software; you can redistribute it and/or modify
  38 # it under the terms of the GNU General Public License as published by
  39 # the Free Software Foundation; either version 2, or (at your option)
  40 # any later version.
  41 #
  42 # This program is distributed in the hope that it will be useful,
  43 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  44 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  45 # GNU General Public License for more details.
  46 #
  47 # You should have received a copy of the GNU General Public License
  48 # along with this program; see the file COPYING.  If not, write to the
  49 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  50 # Boston, MA 02111-1307, USA.
  51
  52 Copyright='Copyright (C) 2004 Free Software Foundation, Inc.
  53 This program comes with NO WARRANTY, to the extent permitted by law.
  54 You may redistribute copies of this program
  55 under the terms of the GNU General Public License.
  56 For more information about these matters, see the files named COPYING.
  57 Author: Paul Eggert <eggert@twinsun.com>'
  58
  59 # Use the traditional C locale.
  60 LANG=C
  61 LANGUAGE=C
  62 LC_ALL=C
  63 LC_COLLATE=C
  64 LC_CTYPE=C
  65 LC_MESSAGES=C
  66 LC_NUMERIC=C
  67 LC_TIME=C
  68 export LANG LANGUAGE LC_ALL LC_COLLATE LC_CTYPE LC_MESSAGES LC_NUMERIC LC_TIME
  69
  70 # These variables each contain a single ASCII character.
  71 # Unfortunately, there's no portable way of writing these characters
  72 # in older Unix implementations, other than putting them directly into
  73 # this text file.
  74 SOH='\ 1' # SOH, octal code 001
  75 tab='   '
  76 nl='
  77 '
  78
  79 # Parse options.
  80
  81 # defaults
  82 AWK=${AWK-awk}
  83 TMPDIR=${TMPDIR-/tmp}
  84 changelog=ChangeLog # change log file name
  85 datearg= # rlog date option
  86 hostname= # name of local host (if empty, will deduce it later)
  87 indent=8 # indent of log line
  88 length=79 # suggested max width of log line
  89 logins= # login names for people we know fullnames and mailaddrs of
  90 loginFullnameMailaddrs= # login<tab>fullname<tab>mailaddr triplets
  91 logTZ= # time zone for log dates (if empty, use local time)
  92 recursive= # t if we want recursive rlog
  93 revision= # t if we want revision numbers
  94 rlog_options= # options to pass to rlog
  95 rlogfile= # log file to read from
  96 tabwidth=8 # width of horizontal tab
  97
  98 while :
  99 do
 100         case $1 in
 101         -c)     changelog=${2?}; shift;;
 102         -i)     indent=${2?}; shift;;
 103         -h)     hostname=${2?}; shift;;
 104         -l)     length=${2?}; shift;;
 105         -L)     rlogfile=${2?}; shift;;
 106         -[nu])  # -n is obsolescent; it is replaced by -u.
 107                 case $1 in
 108                 -n)     case ${2?}${3?}${4?} in
 109                         *"$tab"* | *"$nl"*)
 110                                 echo >&2 "$0: -n '$2' '$3' '$4': tabs, newlines not allowed"
 111                                 exit 1;;
 112                         esac
 113                         login=$2
 114                         lfm=$2$tab$3$tab$4
 115                         shift; shift; shift;;
 116                 -u)
 117                         # If $2 is not tab-separated, use colon for separator.
 118                         case ${2?} in
 119                         *"$nl"*)
 120                                 echo >&2 "$0: -u '$2': newlines not allowed"
 121                                 exit 1;;
 122                         *"$tab"*)
 123                                 t=$tab;;
 124                         *)
 125                                 t=':';;
 126                         esac
 127                         case $2 in
 128                         *"$t"*"$t"*"$t"*)
 129                                 echo >&2 "$0: -u '$2': too many fields"
 130                                 exit 1;;
 131                         *"$t"*"$t"*)
 132                                 uf="[^$t]*$t" # An unselected field, followed by a separator.
 133                                 sf="\\([^$t]*\\)" # The selected field.
 134                                 login=`expr "X$2" : "X$sf"`
 135                                 lfm="$login$tab"`
 136                                         expr "X$2" : "$uf$sf"
 137                                   `"$tab"`
 138                                         expr "X$2" : "$uf$uf$sf"
 139                                 `;;
 140                         *)
 141                                 echo >&2 "$0: -u '$2': not enough fields"
 142                                 exit 1;;
 143                         esac
 144                         shift;;
 145                 esac
 146                 case $logins in
 147                 '') logins=$login;;
 148                 ?*) logins=$logins$nl$login;;
 149                 esac
 150                 case $loginFullnameMailaddrs in
 151                 '') loginFullnameMailaddrs=$lfm;;
 152                 ?*) loginFullnameMailaddrs=$loginFullnameMailaddrs$nl$lfm;;
 153                 esac;;
 154         -r)
 155                 case $rlog_options in
 156                 '') rlog_options=${2?};;
 157                 ?*) rlog_options=$rlog_options$nl${2?};;
 158                 esac
 159                 shift;;
 160         -R)     recursive=t;;
 161         -t)     tabwidth=${2?}; shift;;
 162         -v)     revision=t;;
 163         --version)
 164                 set $Id
 165                 rcs2logVersion=$3
 166                 echo >&2 "rcs2log (GNU Emacs) $rcs2logVersion$nl$Copyright"
 167                 exit 0;;
 168         -*)     echo >&2 "Usage: $0 [OPTION]... [FILE ...]$nl$Help"
 169                 case $1 in
 170                 --help) exit 0;;
 171                 *) exit 1;;
 172                 esac;;
 173         *)      break;;
 174         esac
 175         shift
 176 done
 177
 178 month_data='
 179         m[0]="Jan"; m[1]="Feb"; m[2]="Mar"
 180         m[3]="Apr"; m[4]="May"; m[5]="Jun"
 181         m[6]="Jul"; m[7]="Aug"; m[8]="Sep"
 182         m[9]="Oct"; m[10]="Nov"; m[11]="Dec"
 183 '
 184
 185 logdir=$TMPDIR/rcs2log$$
 186 llogout=$logdir/l
 187 trap exit 1 2 13 15
 188 trap "rm -fr $logdir 2>/dev/null" 0
 189 (umask 077 && exec mkdir $logdir) || exit
 190
 191 # If no rlog-format log file is given, generate one into $rlogfile.
 192 case $rlogfile in
 193 '')
 194         rlogfile=$logdir/r
 195
 196         # If no rlog options are given,
 197         # log the revisions checked in since the first ChangeLog entry.
 198         # Since ChangeLog is only by date, some of these revisions may be
 199         # duplicates of what's already in ChangeLog; it's the user's
 200         # responsibility to remove them.
 201         case $rlog_options in
 202         '')
 203                 if test -s "$changelog"
 204                 then
 205                         e='
 206                                 /^[0-9]+-[0-9][0-9]-[0-9][0-9]/{
 207                                         # ISO 8601 date
 208                                         print $1
 209                                         exit
 210                                 }
 211                                 /^... ... [ 0-9][0-9] [ 0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9]+ /{
 212                                         # old-fashioned date and time (Emacs 19.31 and earlier)
 213                                         '"$month_data"'
 214                                         year = $5
 215                                         for (i=0; i<=11; i++) if (m[i] == $2) break
 216                                         dd = $3
 217                                         printf "%d-%02d-%02d\n", year, i+1, dd
 218                                         exit
 219                                 }
 220                         '
 221                         d=`$AWK "$e" <"$changelog"` || exit
 222                         case $d in
 223                         ?*) datearg="-d>$d";;
 224                         esac
 225                 fi;;
 226         esac
 227
 228         # Use TZ specified by ChangeLog local variable, if any.
 229         if test -s "$changelog"
 230         then
 231                 extractTZ='
 232                         /^.*change-log-time-zone-rule['"$tab"' ]*:['"$tab"' ]*"\([^"]*\)".*/{
 233                                 s//\1/; p; q
 234                         }
 235                         /^.*change-log-time-zone-rule['"$tab"' ]*:['"$tab"' ]*t.*/{
 236                                 s//UTC0/; p; q
 237                         }
 238                 '
 239                 logTZ=`tail "$changelog" | sed -n "$extractTZ"`
 240                 case $logTZ in
 241                 ?*) TZ=$logTZ; export TZ;;
 242                 esac
 243         fi
 244
 245         # If CVS is in use, examine its repository, not the normal RCS files.
 246         if test ! -f CVS/Repository
 247         then
 248                 rlog=rlog
 249                 repository=
 250         else
 251                 rlog='cvs -q log'
 252                 repository=`sed 1q <CVS/Repository` || exit
 253                 test ! -f CVS/Root || CVSROOT=`cat <CVS/Root` || exit
 254                 pository=
 255                 case $CVSROOT in
 256                 /* | :fork:* | :local:*) ;;
 257                 */*)
 258                         # remote repository
 259                         pository=`expr "X$CVSROOT" : '[^/]*\(.*\)'`;;
 260                 esac
 261                 case $pository in
 262                 '')
 263                         # local repository
 264                         case $repository in
 265                         /*) ;;
 266                         *)
 267                                 repository=${CVSROOT?}/$repository
 268                                 case $repository in
 269                                 :fork:* | :local:*)
 270                                         repository=`expr "$repository" : ':[^:]*:\(.*\)'`;;
 271                                 esac;;
 272                         esac
 273                         if test ! -d "$repository"
 274                         then
 275                                 echo >&2 "$0: $repository: bad repository (see CVS/Repository)"
 276                                 exit 1
 277                         fi
 278                         pository=$repository;;
 279                 esac
 280
 281                 # Ensure that $pository ends in exactly one slash.
 282                 while :
 283                 do
 284                         case $pository in
 285                         *//) pository=`expr "X$pository" : 'X\(.*\)/'`;;
 286                         */) break;;
 287                         *) pository=$pository/; break;;
 288                         esac
 289                 done
 290
 291                 # If no rlog options are given, and if we are in a tagged CVS branch,
 292                 # log only the changes in that branch.
 293                 case $rlog_options in
 294                 '')
 295                         if test -f CVS/Tag
 296                         then
 297                                 CVSTAG=`cat <CVS/Tag` || exit
 298                                 case $CVSTAG in
 299                                 T?*)
 300                                         rlog_options=-r`expr "$CVSTAG" : 'T\(.*\)'`;;
 301                                 *)
 302                                         echo >&2 "$0: invalid CVS/Tag"; exit 1;;
 303                                 esac
 304                         fi;;
 305                 esac
 306         fi
 307
 308         # Use $rlog's -zLT option, if $rlog supports it.
 309         case `$rlog -zLT 2>&1` in
 310         *' option'*) ;;
 311         *)
 312                 case $rlog_options in
 313                 '') rlog_options=-zLT;;
 314                 ?*) rlog_options=-zLT$nl$rlog_options;;
 315                 esac;;
 316         esac
 317
 318         # With no arguments, examine all files under the RCS directory.
 319         case $# in
 320         0)
 321                 case $repository in
 322                 '')
 323                         oldIFS=$IFS
 324                         IFS=$nl
 325                         case $recursive in
 326                         t)
 327                                 RCSdirs=`find . -name RCS -type d -print`
 328                                 filesFromRCSfiles='s|,v$||; s|/RCS/|/|; s|^\./||'
 329                                 files=`
 330                                         {
 331                                                 case $RCSdirs in
 332                                                 ?*) find $RCSdirs \
 333                                                                 -type f \
 334                                                                 ! -name '*_' \
 335                                                                 ! -name ',*,' \
 336                                                                 ! -name '.*_' \
 337                                                                 ! -name .rcsfreeze.log \
 338                                                                 ! -name .rcsfreeze.ver \
 339                                                                 -print;;
 340                                                 esac
 341                                                 find . -name '*,v' -print
 342                                         } |
 343                                         sort -u |
 344                                         sed "$filesFromRCSfiles"
 345                                 `;;
 346                         *)
 347                                 files=
 348                                 for file in RCS/.* RCS/* .*,v *,v
 349                                 do
 350                                         case $file in
 351                                         RCS/. | RCS/.. | RCS/,*, | RCS/*_) continue;;
 352                                         RCS/.rcsfreeze.log | RCS/.rcsfreeze.ver) continue;;
 353                                         RCS/.\* | RCS/\* | .\*,v | \*,v) test -f "$file" || continue;;
 354                                         RCS/*,v | RCS/.*,v) ;;
 355                                         RCS/* | RCS/.*) test -f "$file" || continue;;
 356                                         esac
 357                                         case $files in
 358                                         '') files=$file;;
 359                                         ?*) files=$files$nl$file;;
 360                                         esac
 361                                 done
 362                                 case $files in
 363                                 '') exit 0;;
 364                                 esac;;
 365                         esac
 366                         set x $files
 367                         shift
 368                         IFS=$oldIFS;;
 369                 esac;;
 370         esac
 371
 372         case $datearg in
 373         ?*) $rlog $rlog_options "$datearg" ${1+"$@"} >$rlogfile;;
 374         '') $rlog $rlog_options ${1+"$@"} >$rlogfile;;
 375         esac || exit;;
 376 esac
 377
 378
 379 # Prefer the POSIX-style -k options, since POSIX 1003.1-2001 prohibits
 380 # support for the traditional-style +M -N options.
 381 SORT_K_OPTIONS='-k 3,4r -k 5 -k 1'
 382 sort $SORT_K_OPTIONS </dev/null 2>/dev/null || SORT_K_OPTIONS='+2 -4r +4 +0'
 383
 384
 385 # Get the full name of each author the logs mention, and set initialize_fullname
 386 # to awk code that initializes the `fullname' awk associative array.
 387 # Warning: foreign authors (i.e. not known in the passwd file) are mishandled;
 388 # you have to fix the resulting output by hand.
 389
 390 initialize_fullname=
 391 initialize_mailaddr=
 392
 393 case $loginFullnameMailaddrs in
 394 ?*)
 395         case $loginFullnameMailaddrs in
 396         *\"* | *\\*)
 397                 sed 's/["\\]/\\&/g' >$llogout <<EOF || exit
 398 $loginFullnameMailaddrs
 399 EOF
 400                 loginFullnameMailaddrs=`cat $llogout`;;
 401         esac
 402
 403         oldIFS=$IFS
 404         IFS=$nl
 405         for loginFullnameMailaddr in $loginFullnameMailaddrs
 406         do
 407                 IFS=$tab
 408                 set x $loginFullnameMailaddr
 409                 login=$2
 410                 fullname=$3
 411                 mailaddr=$4
 412                 initialize_fullname="$initialize_fullname
 413                         fullname[\"$login\"] = \"$fullname\""
 414                 initialize_mailaddr="$initialize_mailaddr
 415                         mailaddr[\"$login\"] = \"$mailaddr\""
 416         done
 417         IFS=$oldIFS;;
 418 esac
 419
 420 case $logins in
 421 ?*)
 422         sort -u -o $llogout <<EOF
 423 $logins
 424 EOF
 425         ;;
 426 '')
 427         : ;;
 428 esac >$llogout || exit
 429
 430 output_authors='/^date: / {
 431         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:" && $5 ~ /^[^;]*;$/) {
 432                 print substr($5, 1, length($5)-1)
 433         }
 434 }'
 435 authors=`
 436         $AWK "$output_authors" <"$rlogfile" | sort -u | comm -23 - $llogout
 437 `
 438 case $authors in
 439 ?*)
 440         cat >$llogout <<EOF || exit
 441 $authors
 442 EOF
 443         initialize_author_script='s/["\\]/\\&/g; s/.*/author[\"&\"] = 1/'
 444         initialize_author=`sed -e "$initialize_author_script" <$llogout`
 445         awkscript='
 446                 BEGIN {
 447                         alphabet = "abcdefghijklmnopqrstuvwxyz"
 448                         ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 449                         '"$initialize_author"'
 450                 }
 451                 {
 452                         if (author[$1]) {
 453                                 fullname = $5
 454                                 if (fullname ~ /[0-9]+-[^(]*\([0-9]+\)$/) {
 455                                         # Remove the junk from fullnames like "0000-Admin(0000)".
 456                                         fullname = substr(fullname, index(fullname, "-") + 1)
 457                                         fullname = substr(fullname, 1, index(fullname, "(") - 1)
 458                                 }
 459                                 if (fullname ~ /,[^ ]/) {
 460                                         # Some sites put comma-separated junk after the fullname.
 461                                         # Remove it, but leave "Bill Gates, Jr" alone.
 462                                         fullname = substr(fullname, 1, index(fullname, ",") - 1)
 463                                 }
 464                                 abbr = index(fullname, "&")
 465                                 if (abbr) {
 466                                         a = substr($1, 1, 1)
 467                                         A = a
 468                                         i = index(alphabet, a)
 469                                         if (i) A = substr(ALPHABET, i, 1)
 470                                         fullname = substr(fullname, 1, abbr-1) A substr($1, 2) substr(fullname, abbr+1)
 471                                 }
 472
 473                                 # Quote quotes and backslashes properly in full names.
 474                                 # Do not use gsub; traditional awk lacks it.
 475                                 quoted = ""
 476                                 rest = fullname
 477                                 for (;;) {
 478                                         p = index(rest, "\\")
 479                                         q = index(rest, "\"")
 480                                         if (p) {
 481                                                 if (q && q<p) p = q
 482                                         } else {
 483                                                 if (!q) break
 484                                                 p = q
 485                                         }
 486                                         quoted = quoted substr(rest, 1, p-1) "\\" substr(rest, p, 1)
 487                                         rest = substr(rest, p+1)
 488                                 }
 489
 490                                 printf "fullname[\"%s\"] = \"%s%s\"\n", $1, quoted, rest
 491                                 author[$1] = 0
 492                         }
 493                 }
 494         '
 495
 496         initialize_fullname=`
 497                 {
 498                         (getent passwd $authors) ||
 499                         (
 500                                 cat /etc/passwd
 501                                 for author in $authors
 502                                 do NIS_PATH= nismatch $author passwd.org_dir
 503                                 done
 504                                 ypmatch $authors passwd
 505                         )
 506                 } 2>/dev/null |
 507                 $AWK -F: "$awkscript"
 508         `$initialize_fullname;;
 509 esac
 510
 511
 512 # Function to print a single log line.
 513 # We don't use awk functions, to stay compatible with old awk versions.
 514 # `Log' is the log message.
 515 # `files' contains the affected files.
 516 printlogline='{
 517
 518         # Following the GNU coding standards, rewrite
 519         #       * file: (function): comment
 520         # to
 521         #       * file (function): comment
 522         if (Log ~ /^\([^)]*\):[\t\n ]/) {
 523                 i = index(Log, ")")
 524                 filefunc = substr(Log, 1, i)
 525                 while ((j = index(filefunc, "\n"))) {
 526                         files = files " " substr(filefunc, 1, j-1)
 527                         filefunc = substr(filefunc, j+1)
 528                 }
 529                 files = files " " filefunc
 530                 Log = substr(Log, i+3)
 531         }
 532
 533         # If "label: comment" is too long, break the line after the ":".
 534         sep = " "
 535         i = index(Log, "\n")
 536         if ('"$length"' <= '"$indent"' + 1 + length(files) + i) sep = "\n" indent_string
 537
 538         # Print the label.
 539         printf "%s*%s:", indent_string, files
 540
 541         # Print each line of the log.
 542         while (i) {
 543                 logline = substr(Log, 1, i-1)
 544                 if (logline ~ /[^'"$tab"' ]/) {
 545                         printf "%s%s\n", sep, logline
 546                 } else {
 547                         print ""
 548                 }
 549                 sep = indent_string
 550                 Log = substr(Log, i+1)
 551                 i = index(Log, "\n")
 552         }
 553 }'
 554
 555 # Pattern to match the `revision' line of rlog output.
 556 rlog_revision_pattern='^revision [0-9]+\.[0-9]+(\.[0-9]+\.[0-9]+)*(['"$tab"' ]+locked by: [^'"$tab"' $,.0-9:;@]*[^'"$tab"' $,:;@][^'"$tab"' $,.0-9:;@]*;)?['"$tab"' ]*$'
 557
 558 case $hostname in
 559 '')
 560         hostname=`(
 561                 hostname || uname -n || uuname -l || cat /etc/whoami
 562         ) 2>/dev/null` || {
 563                 echo >&2 "$0: cannot deduce hostname"
 564                 exit 1
 565         }
 566
 567         case $hostname in
 568         *.*) ;;
 569         *)
 570                 domainname=`(domainname) 2>/dev/null` &&
 571                 case $domainname in
 572                 *.*) hostname=$hostname.$domainname;;
 573                 esac;;
 574         esac;;
 575 esac
 576
 577
 578 # Process the rlog output, generating ChangeLog style entries.
 579
 580 # First, reformat the rlog output so that each line contains one log entry.
 581 # Transliterate \n to SOH so that multiline entries fit on a single line.
 582 # Discard irrelevant rlog output.
 583 $AWK '
 584         BEGIN {
 585                 pository = "'"$pository"'"
 586                 SOH="'"$SOH"'"
 587         }
 588         /^RCS file: / {
 589                 if (pository != "") {
 590                         filename = substr($0, 11)
 591                         if (substr(filename, 1, length(pository)) == pository) {
 592                                 filename = substr(filename, length(pository) + 1)
 593                         }
 594                         if (filename ~ /,v$/) {
 595                                 filename = substr(filename, 1, length(filename) - 2)
 596                         }
 597                         if (filename ~ /(^|\/)Attic\/[^\/]*$/) {
 598                                 i = length(filename)
 599                                 while (substr(filename, i, 1) != "/") i--
 600                                 filename = substr(filename, 1, i - 6) substr(filename, i + 1)
 601                         }
 602                 }
 603                 rev = "?"
 604         }
 605         /^Working file: / { if (repository == "") filename = substr($0, 15) }
 606         /'"$rlog_revision_pattern"'/, /^(-----------*|===========*)$/ {
 607                 line = $0
 608                 if (line ~ /'"$rlog_revision_pattern"'/) {
 609                         rev = $2
 610                         next
 611                 }
 612                 if (line ~ /^date: [0-9][- +\/0-9:]*;/) {
 613                         date = $2
 614                         if (date ~ /\//) {
 615                                 # This is a traditional RCS format date YYYY/MM/DD.
 616                                 # Replace "/"s with "-"s to get ISO format.
 617                                 newdate = ""
 618                                 while ((i = index(date, "/")) != 0) {
 619                                         newdate = newdate substr(date, 1, i-1) "-"
 620                                         date = substr(date, i+1)
 621                                 }
 622                                 date = newdate date
 623                         }
 624                         time = substr($3, 1, length($3) - 1)
 625                         author = substr($5, 1, length($5)-1)
 626                         printf "%s%s%s%s%s%s%s%s%s%s", filename, SOH, rev, SOH, date, SOH, time, SOH, author, SOH
 627                         rev = "?"
 628                         next
 629                 }
 630                 if (line ~ /^branches: /) { next }
 631                 if (line ~ /^(-----------*|===========*)$/) { print ""; next }
 632                 if (line == "Initial revision" || line ~ /^file .+ was initially added on branch .+\.$/) {
 633                         line = "New file."
 634                 }
 635                 printf "%s%s", line, SOH
 636         }
 637 ' <"$rlogfile" |
 638
 639 # Now each line is of the form
 640 # FILENAME@REVISION@YYYY-MM-DD@HH:MM:SS[+-TIMEZONE]@AUTHOR@LOG
 641 #       where @ stands for an SOH (octal code 001),
 642 #       and each line of LOG is terminated by SOH instead of \n.
 643 # Sort the log entries, first by date+time (in reverse order),
 644 # then by author, then by log entry, and finally by file name and revision
 645 # (just in case).
 646 sort -t"$SOH" $SORT_K_OPTIONS |
 647
 648 # Finally, reformat the sorted log entries.
 649 $AWK -F"$SOH" '
 650         BEGIN {
 651                 logTZ = "'"$logTZ"'"
 652                 revision = "'"$revision"'"
 653
 654                 # Initialize the fullname and mailaddr associative arrays.
 655                 '"$initialize_fullname"'
 656                 '"$initialize_mailaddr"'
 657
 658                 # Initialize indent string.
 659                 indent_string = ""
 660                 i = '"$indent"'
 661                 if (0 < '"$tabwidth"')
 662                         for (;  '"$tabwidth"' <= i;  i -= '"$tabwidth"')
 663                                 indent_string = indent_string "\t"
 664                 while (1 <= i--)
 665                         indent_string = indent_string " "
 666         }
 667
 668         {
 669                 newlog = ""
 670                 for (i = 6; i < NF; i++) newlog = newlog $i "\n"
 671
 672                 # Ignore log entries prefixed by "#".
 673                 if (newlog ~ /^#/) { next }
 674
 675                 if (Log != newlog || date != $3 || author != $5) {
 676
 677                         # The previous log and this log differ.
 678
 679                         # Print the old log.
 680                         if (date != "") '"$printlogline"'
 681
 682                         # Logs that begin with "{clumpname} " should be grouped together,
 683                         # and the clumpname should be removed.
 684                         # Extract the new clumpname from the log header,
 685                         # and use it to decide whether to output a blank line.
 686                         newclumpname = ""
 687                         sep = "\n"
 688                         if (date == "") sep = ""
 689                         if (newlog ~ /^\{[^'"$tab"' }]*}['"$tab"' ]/) {
 690                                 i = index(newlog, "}")
 691                                 newclumpname = substr(newlog, 1, i)
 692                                 while (substr(newlog, i+1) ~ /^['"$tab"' ]/) i++
 693                                 newlog = substr(newlog, i+1)
 694                                 if (clumpname == newclumpname && date == $3 && author == $5) sep = ""
 695                         }
 696                         printf sep
 697                         clumpname = newclumpname
 698
 699                         # Get ready for the next log.
 700                         Log = newlog
 701                         if (files != "")
 702                                 for (i in filesknown)
 703                                         filesknown[i] = 0
 704                         files = ""
 705                 }
 706                 if (date != $3  ||  author != $5) {
 707                         # The previous date+author and this date+author differ.
 708                         # Print the new one.
 709                         date = $3
 710                         time = $4
 711                         author = $5
 712
 713                         zone = ""
 714                         if (logTZ && ((i = index(time, "-")) || (i = index(time, "+"))))
 715                                 zone = " " substr(time, i)
 716
 717                         # Print "date[ timezone]  fullname  <email address>".
 718                         # Get fullname and email address from associative arrays;
 719                         # default to author and author@hostname if not in arrays.
 720                         if (fullname[author])
 721                                 auth = fullname[author]
 722                         else
 723                                 auth = author
 724                         printf "%s%s  %s  ", date, zone, auth
 725                         if (mailaddr[author])
 726                                 printf "<%s>\n\n", mailaddr[author]
 727                         else
 728                                 printf "<%s@%s>\n\n", author, "'"$hostname"'"
 729                 }
 730                 if (! filesknown[$1]) {
 731                         filesknown[$1] = 1
 732                         if (files == "") files = " " $1
 733                         else files = files ", " $1
 734                         if (revision && $2 != "?") files = files " " $2
 735                 }
 736         }
 737         END {
 738                 # Print the last log.
 739                 if (date != "") {
 740                         '"$printlogline"'
 741                         printf "\n"
 742                 }
 743         }
 744 ' &&
 745
 746
 747 # Exit successfully.
 748
 749 exec rm -fr $logdir
 750
 751 # Local Variables:
 752 # tab-width:4
 753 # End:
 754
 755 # arch-tag: cea067bd-a552-4254-ba17-078208933073