maintainer-scripts/gcc_release

   1 #! /bin/sh
   2
   3 ########################################################################
   4 #
   5 # File:   gcc_release
   6 # Author: Jeffrey Law, Bernd Schmidt, Mark Mitchell
   7 # Date:   2001-05-25
   8 #
   9 # Contents:
  10 #   Script to create a GCC release.
  11 #
  12 # Copyright (c) 2001, 2002 Free Software Foundation.
  13 #
  14 # This file is part of GNU CC.
  15 #
  16 # GNU CC is free software; you can redistribute it and/or modify
  17 # it under the terms of the GNU General Public License as published by
  18 # the Free Software Foundation; either version 2, or (at your option)
  19 # any later version.
  20 #
  21 # GNU CC is distributed in the hope that it will be useful,
  22 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 # GNU General Public License for more details.
  25 #
  26 # You should have received a copy of the GNU General Public License
  27 # along with GNU CC; see the file COPYING.  If not, write to
  28 # the Free Software Foundation, 59 Temple Place - Suite 330,
  29 # Boston, MA 02111-1307, USA.
  30 #
  31 ########################################################################
  32
  33 ########################################################################
  34 # Notes
  35 ########################################################################
  36
  37 # Here is an example usage of this script, to create a GCC 3.0.2
  38 # prerelease:
  39 #
  40 #   gcc_release -r 3.0.2
  41 #
  42 # This script will automatically use the head of the release branch
  43 # to generate the release.
  44
  45 ########################################################################
  46 # Functions
  47 ########################################################################
  48
  49 # Issue the error message given by $1 and exit with a non-zero
  50 # exit code.
  51
  52 error() {
  53     echo "gcc_release: error: $1"
  54     exit 1
  55 }
  56
  57 # Issue the informational message given by $1.
  58
  59 inform() {
  60     echo "gcc_release: $1"
  61 }
  62
  63 # Issue a usage message explaining how to use this script.
  64
  65 usage() {
  66 cat <<EOF
  67 gcc_release     [-d destination]
  68                 [-u username]
  69                 [-r release]
  70                 [-t tag]
  71                 [-p previous-tarball]
  72                 [-s] [-f] [-l]
  73 EOF
  74     exit 1
  75 }
  76
  77 # Change to the directory given by $1.
  78
  79 changedir() {
  80   cd $1 || \
  81     error "Could not change directory to $1"
  82 }
  83
  84 # Each of the arguments is a directory name, relative to the top
  85 # of the source tree.  Return another name for that directory, relative
  86 # to the working directory.
  87
  88 adjust_dirs() {
  89   for x in $@; do
  90     echo `basename ${SOURCE_DIRECTORY}`/$x
  91   done
  92 }
  93
  94 # Build the source tree that will be the basis for the release
  95 # in ${WORKING_DIRECTORY}/gcc-${RELEASE}.
  96
  97 build_sources() {
  98   # If the WORKING_DIRECTORY already exists, do not risk destroying it.
  99   if [ -r ${WORKING_DIRECTORY} ]; then
 100     error "\`${WORKING_DIRECTORY}' already exists"
 101   fi
 102   # Create the WORKING_DIRECTORY.
 103   mkdir "${WORKING_DIRECTORY}" \
 104     || error "Could not create \`${WORKING_DIRECTORY}'"
 105   changedir "${WORKING_DIRECTORY}"
 106
 107   # If this is a final release, make sure that the ChangeLogs
 108   # and version strings are updated.
 109   if [ ${FINAL} -ne 0 ]; then
 110     inform "Updating ChangeLogs and version files"
 111
 112     ${CVS} co -d "`basename ${SOURCE_DIRECTORY}`" \
 113            -r ${BRANCH} gcc || \
 114            error "Could not check out release sources"
 115     for x in `find ${SOURCE_DIRECTORY} -name ChangeLog`; do
 116       cat - ${x} > ${x}.new <<EOF
 117 ${LONG_DATE}  Release Manager
 118
 119         * GCC ${RELEASE} Released.
 120
 121 EOF
 122       mv ${x}.new ${x} || \
 123         error "Could not update ${x}"
 124       (changedir `dirname ${x}` && \
 125         ${CVS} ci -m 'Mark ChangeLog' `basename ${x}`) || \
 126         error "Could not commit ${x}"
 127     done
 128
 129     # Update `gcc/version.c'.  There are other version files
 130     # as well, which should have release status updated.
 131     for x in gcc/version.c; do
 132       y=`basename ${x}`
 133       (changedir `dirname ${SOURCE_DIRECTORY}/${x}` && \
 134           sed -e 's|= \".*\"|= \"'${RELEASE}'\"|g' < ${y} > ${y}.new && \
 135           mv ${y}.new ${y} && \
 136           ${CVS} ci -m 'Update version' ${y}) || \
 137           error "Could not update ${x}"
 138     done
 139     for x in gcc/f/version.c libf2c/libF77/Version.c \
 140              libf2c/libI77/Version.c libf2c/libU77/Version.c; do
 141       y=`basename ${x}`
 142       (changedir `dirname ${SOURCE_DIRECTORY}/${x}` && \
 143           sed -e 's/experimental\|prerelease/release/g' < ${y} > ${y}.new && \
 144           mv ${y}.new ${y} && \
 145           ${CVS} ci -m 'Update version' ${y}) || \
 146           error "Could not update ${x}"
 147     done
 148
 149     # Make sure we tag the sources for a final release.
 150     TAG="gcc_`echo ${RELEASE} | tr . _`_release"
 151
 152     rm -rf ${SOURCE_DIRECTORY}
 153   fi
 154
 155   # Tag the sources.
 156   if [ -n "${TAG}" ]; then
 157     inform "Tagging release sources"
 158     ${CVS} rtag -r ${BRANCH} -F ${TAG} gcc || \
 159       error "Could not tag release sources"
 160     BRANCH=$TAG
 161   fi
 162
 163   # Export the current sources.
 164   inform "Retrieving release sources"
 165   ${CVS} \
 166        export -d "`basename ${SOURCE_DIRECTORY}`" \
 167        -r ${BRANCH} gcc || \
 168     error "Could not retrieve release sources"
 169
 170   # Run gcc_update on them to set up the timestamps nicely.
 171   changedir "gcc-${RELEASE}"
 172   contrib/gcc_update --touch
 173
 174   # Obtain some documentation files from the wwwdocs module.
 175   inform "Retrieving HTML documentation"
 176   changedir "${WORKING_DIRECTORY}"
 177   for x in bugs gnats faq; do
 178     (${CVS} export -r HEAD wwwdocs/htdocs/${x}.html && \
 179      cp ${WORKING_DIRECTORY}/wwwdocs/htdocs/${x}.html \
 180         ${SOURCE_DIRECTORY}) || \
 181       error "Could not retrieve ${x}.html"
 182   done
 183
 184   inform "Generating plain-text documentation from HTML"
 185   changedir "${SOURCE_DIRECTORY}"
 186   for file in *.html; do
 187     newfile=`echo $file | sed -e 's/.html//' | tr "[:lower:]" "[:upper:]"`
 188     (${ENV} TERM=vt100 lynx -dump $file \
 189        | sed -e "s#file://localhost`/bin/pwd`\(.*\)#http://gcc.gnu.org\1#g" \
 190        > $newfile) || \
 191      error "Could not regenerate documentation"
 192   done
 193
 194   # For a prerelease or real release, we need to generate additional
 195   # files not present in CVS.
 196   changedir "${SOURCE_DIRECTORY}"
 197   if [ $SNAPSHOT -ne 1 ]; then
 198     # Generate the documentation.
 199     inform "Building install docs"
 200     SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
 201     DESTDIR=${SOURCE_DIRECTORY}/INSTALL
 202     export SOURCEDIR
 203     export DESTDIR
 204     ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
 205
 206     # Regenerate the NEWS file.
 207     contrib/gennews > gcc/NEWS || \
 208       error "Could not regenerate NEWS files"
 209
 210     # Now, we must build the compiler in order to create any generated
 211     # files that are supposed to go in the source directory.  This is
 212     # also a good sanity check to make sure that the release builds
 213     # on at least one platform.
 214     inform "Building compiler"
 215     OBJECT_DIRECTORY=../objdir
 216     contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} build || \
 217       error "Could not rebuild GCC"
 218
 219     # Regenerate the Fotran NEWS and BUGS files.
 220     (cd ${OBJECT_DIRECTORY}/gcc && make f77.rebuilt) || \
 221       error "Could not regenerate Fortran NEWS and BUGS files"
 222   fi
 223
 224   # Move message catalogs to source directory.
 225   mv ../objdir/gcc/po/*.gmo gcc/po/
 226
 227   # Create a `.brik' file to use for checking the validity of the
 228   # release.
 229   changedir "${SOURCE_DIRECTORY}"
 230   BRIK_FILE=`mktemp /tmp/gcc_release.XXXXXXX`
 231   ((find . -type f | sort > $BRIK_FILE) && \
 232        brik -Gb -f ${BRIK_FILE} > .brik && \
 233        rm ${BRIK_FILE}) || \
 234      error "Could not compute brik checksum"
 235 }
 236
 237 # Buid a single tarfile.  The first argument is the name of the name
 238 # of the tarfile to build, without any suffixes.  They will be added
 239 # automatically.  The rest of the arguments are the files or
 240 # directories to include.
 241
 242 build_tarfile() {
 243   # Get the name of the destination tar file.
 244   TARFILE="$1.tar.gz"
 245   shift
 246
 247   # Build the tar file itself.
 248   (${TAR} cf - "$@" | ${GZIP} > ${TARFILE}) || \
 249     error "Could not build tarfile"
 250   FILE_LIST="${FILE_LIST} ${TARFILE}"
 251 }
 252
 253 # Build the various tar files for the release.
 254
 255 build_tarfiles() {
 256   inform "Building tarfiles"
 257
 258   changedir "${WORKING_DIRECTORY}"
 259
 260   # The GNU Coding Standards specify that all files should
 261   # world readable.
 262   chmod -R a+r ${SOURCE_DIRECTORY}
 263   # And that all directories have mode 777.
 264   find ${SOURCE_DIRECTORY} -type d -exec chmod 777 {} \;
 265
 266   # Build one huge tarfile for the entire distribution.
 267   build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
 268
 269   # Now, build one for each of the languages.
 270   build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
 271   build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
 272   build_tarfile gcc-g77-${RELEASE} ${FORTRAN_DIRS}
 273   build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
 274   build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
 275   build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
 276
 277   # The core is everything else.
 278   EXCLUDES=""
 279   for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} \
 280            ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
 281     EXCLUDES="${EXCLUDES} --exclude $x"
 282   done
 283   build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
 284     `basename ${SOURCE_DIRECTORY}`
 285 }
 286
 287 # Build .bz2 files.
 288 build_bzip2() {
 289   for f in ${FILE_LIST}; do
 290     bzfile=${f%.gz}.bz2
 291     (zcat $f | ${BZIP2} > ${bzfile}) || error "Could not create ${bzfile}"
 292   done
 293 }
 294
 295 # Build diffs against an old release.
 296 build_diffs() {
 297   old_dir=${1%/*}
 298   old_file=${1##*/}
 299   old_vers=${old_file%.tar.gz}
 300   old_vers=${old_vers#gcc-}
 301   inform "Building diffs against version $old_vers"
 302   for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-java gcc-objc gcc-testsuite gcc-core; do
 303     old_tar=${old_dir}/${f}-${old_vers}.tar.gz
 304     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.gz
 305     if [ -e $old_tar ] && [ -e $new_tar ]; then
 306       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 307         ${f}-${old_vers}-${RELEASE}.diff.gz
 308     fi
 309   done
 310 }
 311
 312 # Build an individual diff.
 313 build_diff() {
 314   changedir "${WORKING_DIRECTORY}"
 315   tmpdir=gccdiff.$$
 316   mkdir $tmpdir || error "Could not create directory $tmpdir"
 317   changedir $tmpdir
 318   tar xfz $1 || error "Could not unpack $1 for diffs"
 319   tar xfz $3 || error "Could not unpack $3 for diffs"
 320   ${DIFF} $2 $4 > ../${5%.gz}
 321   if [ $? -eq 2 ]; then
 322     error "Trouble making diffs from $1 to $3"
 323   fi
 324   ${GZIP} ../${5%.gz} || error "Could not gzip ../${5%.gz}"
 325   changedir ..
 326   rm -rf $tmpdir
 327   FILE_LIST="${FILE_LIST} $5"
 328 }
 329
 330 # Upload the files to the FTP server.
 331
 332 upload_files() {
 333   inform "Uploading files"
 334
 335   changedir "${WORKING_DIRECTORY}"
 336
 337   # Make sure the directory exists on the server.
 338   if [ $LOCAL -eq 0 ]; then
 339     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} mkdir ${FTP_PATH}
 340     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 341   else
 342     mkdir -p "${FTP_PATH}" \
 343       || error "Could not create \`${FTP_PATH}'"
 344     UPLOAD_PATH=${FTP_PATH}
 345   fi
 346
 347   for x in gcc*.gz gcc*.bz2; do
 348     if [ -e ${x} ]; then
 349       # Make sure the file will be readable on the server.
 350       chmod a+r ${x}
 351       # Copy it.
 352       if [ $LOCAL -eq 0 ]; then
 353         ${SCP} ${x} ${UPLOAD_PATH} || error "Could not upload ${x}"
 354       fi
 355     fi
 356   done
 357 }
 358
 359 ########################################################################
 360 # Initialization
 361 ########################################################################
 362
 363 # Today's date.
 364 DATE=`date "+%Y%m%d"`
 365 LONG_DATE=`date "+%Y-%m-%d"`
 366
 367 # The CVS server containing the GCC repository.
 368 CVS_SERVER="gcc.gnu.org"
 369 # The path to the repository on that server.
 370 CVS_REPOSITORY="/cvs/gcc"
 371 # The CVS protocol to use.
 372 CVS_PROTOCOL="ext"
 373 # The username to use when connecting to the server.
 374 CVS_USERNAME="${USER}"
 375
 376 # The machine to which files will be uploaded.
 377 GCC_HOSTNAME="gcc.gnu.org"
 378 # The name of the account on the machine to which files are uploaded.
 379 GCC_USERNAME="gccadmin"
 380 # The directory in which the files will be placed.
 381 FTP_PATH="~ftp/pub/gcc"
 382
 383 # The major number for the release.  For release `3.0.2' this would be
 384 # `3'
 385 RELEASE_MAJOR=""
 386 # The minor number for the release.  For release `3.0.2' this would be
 387 # `0'.
 388 RELEASE_MINOR=""
 389 # The revision number for the release.  For release `3.0.2' this would
 390 # be `2'.
 391 RELEASE_REVISION=""
 392 # The complete name of the release.
 393 RELEASE=""
 394
 395 # The name of the branch from which the release should be made.
 396 BRANCH=""
 397
 398 # The tag to apply to the sources used for the release.
 399 TAG=""
 400
 401 # The old tarballs from which to generate diffs.
 402 OLD_TARS=""
 403
 404 # The directory that will be used to construct the release.  The
 405 # release itself will be placed in a subdirectory of this diretory.
 406 DESTINATION=${HOME}
 407 # The subdirectory.
 408 WORKING_DIRECTORY=""
 409 # The directory that will contain the GCC sources.
 410 SOURCE_DIRECTORY=""
 411
 412 # The directories that should be part of the various language-specific
 413 # tar files.  These are all relative to the top of the source tree.
 414 ADA_DIRS="gcc/ada"
 415 CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
 416 FORTRAN_DIRS="gcc/f libf2c"
 417 JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
 418 OBJECTIVEC_DIRS="gcc/objc libobjc"
 419 TESTSUITE_DIRS="gcc/testsuite"
 420
 421 # Non-zero if this is the final release, rather than a prerelease.
 422 FINAL=0
 423
 424 # Non-zero if we are building a snapshot, and don't build gcc or
 425 # include generated files.
 426 SNAPSHOT=0
 427
 428 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 429 # and copy directly to the FTP directory.
 430 LOCAL=0
 431
 432 # Major operation modes.
 433 MODE_BZIP2=0
 434 MODE_DIFFS=0
 435 MODE_SOURCES=0
 436 MODE_TARFILES=0
 437 MODE_UPLOAD=0
 438
 439 # .gz files generated to create .bz2 files from.
 440 FILE_LIST=""
 441
 442 # Programs we use.
 443
 444 BZIP2="${BZIP2:-bzip2}"
 445 CVS="${CVS:-cvs -f -Q -z9}"
 446 DIFF="${DIFF:-diff -Nrc3pad}"
 447 ENV="${ENV:-env}"
 448 GZIP="${GZIP:-gzip --best}"
 449 SCP="${SCP:-scp -p}"
 450 SSH="${SSH:-ssh}"
 451 TAR="${TAR:-tar}"
 452
 453 ########################################################################
 454 # Command Line Processing
 455 ########################################################################
 456
 457 # Parse the options.
 458 while getopts "d:fr:u:t:p:sl" ARG; do
 459     case $ARG in
 460     d)    DESTINATION="${OPTARG}";;
 461     r)    RELEASE="${OPTARG}";;
 462     t)    TAG="${OPTARG}";;
 463     u)    CVS_USERNAME="${OPTARG}";;
 464     f)    FINAL=1;;
 465     s)    SNAPSHOT=1;;
 466     l)    LOCAL=1
 467           SCP=cp
 468           FTP_PATH=~ftp/pub/gcc
 469           PATH=~:/usr/local/bin:$PATH;;
 470     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 471           if [ -d ${OPTARG} ]; then
 472             error "-p argument must name a tarball"
 473           fi;;
 474     \?)   usage;;
 475     esac
 476 done
 477 shift `expr ${OPTIND} - 1`
 478
 479 # Perform consistency checking.
 480 if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
 481   error "No username specified"
 482 fi
 483
 484 if [ ! -d ${DESTINATION} ]; then
 485   error "\`${DESTINATION}' is not a directory"
 486 fi
 487
 488 if [ $SNAPSHOT -eq 0 ]; then
 489   if [ -z ${RELEASE} ]; then
 490     error "No release number specified"
 491   fi
 492
 493   # Compute the major and minor release numbers.
 494   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 495   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 496   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 497
 498   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 499     error "Release number \`${RELEASE}' is invalid"
 500   fi
 501
 502   # Compute the full name of the release.
 503   if [ -z "${RELEASE_REVISION}" ]; then
 504     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 505   else
 506     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 507   fi
 508
 509   # Compute the name of the branch, which is based solely on the major
 510   # and minor release numbers.
 511   BRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
 512
 513   # If this is not a final release, set various parameters acordingly.
 514   if [ ${FINAL} -ne 1 ]; then
 515     RELEASE="${RELEASE}-${DATE}"
 516     FTP_PATH="${FTP_PATH}/snapshots/"
 517   else
 518     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 519   fi
 520 else
 521   RELEASE=$DATE
 522   # For now snapshots come from the 3.1 branch.
 523   BRANCH=gcc-3_1-branch
 524   FTP_PATH="${FTP_PATH}/snapshots/${LONG_DATE}"
 525   TAG=gcc_ss_${DATE}
 526
 527   # Building locally on gcc.gnu.org, we know what the last snapshot date
 528   # was.
 529   if [ $LOCAL -ne 0 ]; then
 530     LAST_DATE=`cat ~/.snapshot_date`
 531     LAST_LONG_DATE=`date --date=$LAST_DATE +%Y-%m-%d`
 532     LAST_DIR=~ftp/pub/gcc/snapshots/${LAST_LONG_DATE}
 533     OLD_TARS=${LAST_DIR}/gcc-${LAST_DATE}.tar.gz
 534   fi
 535 fi
 536
 537 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 538 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 539 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 540
 541 # Recompute the names of all the language-specific directories,
 542 # relative to the WORKING_DIRECTORY.
 543 ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
 544 CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
 545 FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
 546 JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
 547 OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
 548 TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
 549
 550 # Set up CVSROOT.
 551 if [ $LOCAL -eq 0 ]; then
 552     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
 553     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
 554 else
 555     CVSROOT="${CVS_REPOSITORY}"
 556 fi
 557 export CVSROOT
 558
 559 ########################################################################
 560 # Main Program
 561 ########################################################################
 562
 563 # Set the timezone to UTC
 564 TZ="UTC0"
 565 export TZ
 566
 567 # Handle the major modes.
 568 while [ $# -ne 0 ]; do
 569     case $1 in
 570     bzip2)    MODE_BZIP2=1;;
 571     diffs)    MODE_DIFFS=1;;
 572     sources)  MODE_SOURCES=1;;
 573     tarfiles) MODE_TARFILES=1;;
 574     upload)   MODE_UPLOAD=1;;
 575     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_BZIP2=1; MODE_UPLOAD=1;;
 576     *)        error "Unknown mode $1";;
 577     esac
 578     shift
 579 done
 580
 581 # Build the source directory.
 582
 583 if [ $MODE_SOURCES -ne 0 ]; then
 584   build_sources
 585 fi
 586
 587 # Build the tar files.
 588
 589 if [ $MODE_TARFILES -ne 0 ]; then
 590   build_tarfiles
 591 fi
 592
 593 # Build diffs
 594
 595 if [ $MODE_DIFFS -ne 0 ]; then
 596   # Possibly build diffs.
 597   if [ -n "$OLD_TARS" ]; then
 598     for old_tar in $OLD_TARS; do
 599       build_diffs $old_tar
 600     done
 601   fi
 602 fi
 603
 604 # Build bzip2 files
 605 if [ $MODE_BZIP2 -ne 0 ]; then
 606   build_bzip2
 607 fi
 608
 609 # Upload them to the FTP server.
 610
 611 if [ $MODE_UPLOAD -ne 0 ]; then
 612   upload_files
 613
 614   # For snapshots, make some further updates.
 615   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 616     # Update links on the FTP server.
 617     TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 618     cd ~ftp/pub/gcc/snapshots
 619     sed -e "s%@DATE@%$DATE%g" -e "s%@LAST_DATE@%$LAST_DATE%g" \
 620       -e "s%@LONG_DATE@%$LONG_DATE%g" \
 621       -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-README > $$
 622     mv $$ README
 623     sed -e "s%@DATE@%$DATE%g" -e "s%@LAST_DATE@%$LAST_DATE%g" \
 624       -e "s%@LONG_DATE@%$LONG_DATE%g" \
 625       -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-index.html > $$
 626     mv $$ index.html
 627
 628     touch LATEST-IS-$LONG_DATE
 629     rm -f LATEST-IS-$LAST_LONG_DATE
 630
 631     # Update snapshot date file.
 632     changedir ~
 633     echo $DATE >.snapshot_date
 634
 635     # Update gcc_latest_snapshot tag.
 636     ${CVS} rtag -d gcc_latest_snapshot gcc
 637     ${CVS} rtag -rgcc_ss_${DATE} gcc_latest_snapshot gcc
 638
 639     # Announce the snapshot.
 640     export QMAILHOST=gcc.gnu.org
 641     mail -s "gcc-ss-$DATE is now available" gcc@gcc.gnu.org < ~ftp/pub/gcc/snapshots/README
 642
 643     # Remove working directory
 644     rm -rf ${WORKING_DIRECTORY}
 645   fi
 646 fi