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 GCC.
  15 #
  16 # GCC 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 # GCC 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 GCC; 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: $1"
  61 }
  62
  63 # Issue a usage message explaining how to use this script.
  64
  65 usage() {
  66 cat <<EOF
  67 gcc_release -r release [further options]
  68 gcc_release -s [further options]
  69
  70 Options:
  71
  72   -r release           Version of the form X.Y or X.Y.Z.
  73   -s                   Create a snapshot, not a real release.
  74
  75   -d destination       Local working directory where we will build the release
  76                        (default=${HOME}).
  77   -f                   Create a final release (and update ChangeLogs,...).
  78   -l                   Indicate that we are running on gcc.gnu.org.
  79   -p previous-tarball  Location of a previous tarball (to generate diff files).
  80   -t tag               Tag to mark the release in CVS.
  81   -u username          Username for upload operations.
  82 EOF
  83     exit 1
  84 }
  85
  86 # Change to the directory given by $1.
  87
  88 changedir() {
  89   cd $1 || \
  90     error "Could not change directory to $1"
  91 }
  92
  93 # Each of the arguments is a directory name, relative to the top
  94 # of the source tree.  Return another name for that directory, relative
  95 # to the working directory.
  96
  97 adjust_dirs() {
  98   for x in $@; do
  99     echo `basename ${SOURCE_DIRECTORY}`/$x
 100   done
 101 }
 102
 103 # Build the source tree that will be the basis for the release
 104 # in ${WORKING_DIRECTORY}/gcc-${RELEASE}.
 105
 106 build_sources() {
 107   # If the WORKING_DIRECTORY already exists, do not risk destroying it.
 108   if [ -r ${WORKING_DIRECTORY} ]; then
 109     error "\`${WORKING_DIRECTORY}' already exists"
 110   fi
 111   # Create the WORKING_DIRECTORY.
 112   mkdir "${WORKING_DIRECTORY}" \
 113     || error "Could not create \`${WORKING_DIRECTORY}'"
 114   changedir "${WORKING_DIRECTORY}"
 115
 116   # If this is a final release, make sure that the ChangeLogs
 117   # and version strings are updated.
 118   if [ ${FINAL} -ne 0 ]; then
 119     inform "Updating ChangeLogs and version files"
 120
 121     ${CVS} co -d "`basename ${SOURCE_DIRECTORY}`" \
 122            -r ${BRANCH} gcc || \
 123            error "Could not check out release sources"
 124     for x in `find ${SOURCE_DIRECTORY} -name ChangeLog`; do
 125       cat - ${x} > ${x}.new <<EOF
 126 ${LONG_DATE}  Release Manager
 127
 128         * GCC ${RELEASE} Released.
 129
 130 EOF
 131       mv ${x}.new ${x} || \
 132         error "Could not update ${x}"
 133       (changedir `dirname ${x}` && \
 134         ${CVS} ci -m 'Mark ChangeLog' `basename ${x}`) || \
 135         error "Could not commit ${x}"
 136     done
 137
 138     # Update `gcc/version.c'.
 139     for x in gcc/version.c; do
 140       y=`basename ${x}`
 141       (changedir `dirname ${SOURCE_DIRECTORY}/${x}` && \
 142           sed -e 's|= \".*\"|= \"'${RELEASE}'\"|g' < ${y} > ${y}.new && \
 143           mv ${y}.new ${y} && \
 144           ${CVS} ci -m 'Update version' ${y}) || \
 145           error "Could not update ${x}"
 146     done
 147
 148     # Make sure we tag the sources for a final release.
 149     TAG="gcc_`echo ${RELEASE} | tr . _`_release"
 150
 151     rm -rf ${SOURCE_DIRECTORY}
 152   fi
 153
 154   # Tag the sources.
 155   if [ -n "${TAG}" ]; then
 156     inform "Tagging release sources"
 157     ${CVS} rtag -r ${BRANCH} -F ${TAG} gcc || \
 158       error "Could not tag release sources"
 159     BRANCH=$TAG
 160   fi
 161
 162   # Export the current sources.
 163   inform "Retrieving release sources"
 164   ${CVS} \
 165        export -d "`basename ${SOURCE_DIRECTORY}`" \
 166        -r ${BRANCH} gcc || \
 167     error "Could not retrieve release sources"
 168
 169   # Run gcc_update on them to set up the timestamps nicely.
 170   changedir "gcc-${RELEASE}"
 171   contrib/gcc_update --touch
 172
 173   # Obtain some documentation files from the wwwdocs module.
 174   inform "Retrieving HTML documentation"
 175   changedir "${WORKING_DIRECTORY}"
 176   for x in bugs gnats faq; do
 177     (${CVS} export -r HEAD wwwdocs/htdocs/${x}.html && \
 178      cp ${WORKING_DIRECTORY}/wwwdocs/htdocs/${x}.html \
 179         ${SOURCE_DIRECTORY}) || \
 180       error "Could not retrieve ${x}.html"
 181   done
 182
 183   inform "Generating plain-text documentation from HTML"
 184   changedir "${SOURCE_DIRECTORY}"
 185   for file in *.html; do
 186     newfile=`echo $file | sed -e 's/.html//' | tr "[:lower:]" "[:upper:]"`
 187     (${ENV} TERM=vt100 lynx -dump $file \
 188        | sed -e "s#file://localhost`/bin/pwd`\(.*\)#http://gcc.gnu.org\1#g" \
 189        > $newfile) || \
 190      error "Could not regenerate documentation"
 191   done
 192
 193   # For a prerelease or real release, we need to generate additional
 194   # files not present in CVS.
 195   changedir "${SOURCE_DIRECTORY}"
 196   if [ $SNAPSHOT -ne 1 ]; then
 197     # Generate the documentation.
 198     inform "Building install docs"
 199     SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
 200     DESTDIR=${SOURCE_DIRECTORY}/INSTALL
 201     export SOURCEDIR
 202     export DESTDIR
 203     ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
 204
 205     # Regenerate the NEWS file.
 206     contrib/gennews > gcc/NEWS || \
 207       error "Could not regenerate NEWS files"
 208
 209     # Now, we must build the compiler in order to create any generated
 210     # files that are supposed to go in the source directory.  This is
 211     # also a good sanity check to make sure that the release builds
 212     # on at least one platform.
 213     inform "Building compiler"
 214     OBJECT_DIRECTORY=../objdir
 215     contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} build || \
 216       error "Could not rebuild GCC"
 217
 218     # Regenerate the Fotran NEWS and BUGS files.
 219     (cd ${OBJECT_DIRECTORY}/gcc && make f77.rebuilt) || \
 220       error "Could not regenerate Fortran NEWS and BUGS files"
 221   fi
 222
 223   # Move message catalogs to source directory.
 224   mv ../objdir/gcc/po/*.gmo gcc/po/
 225
 226   # Create a `.brik' file to use for checking the validity of the
 227   # release.
 228   changedir "${SOURCE_DIRECTORY}"
 229   BRIK_FILE=`mktemp /tmp/gcc_release.XXXXXXX`
 230   ((find . -type f | sort > $BRIK_FILE) && \
 231        brik -Gb -f ${BRIK_FILE} > .brik && \
 232        rm ${BRIK_FILE}) || \
 233      error "Could not compute brik checksum"
 234 }
 235
 236 # Buid a single tarfile.  The first argument is the name of the name
 237 # of the tarfile to build, without any suffixes.  They will be added
 238 # automatically.  The rest of the arguments are the files or
 239 # directories to include.
 240
 241 build_tarfile() {
 242   # Get the name of the destination tar file.
 243   TARFILE="$1.tar.gz"
 244   shift
 245
 246   # Build the tar file itself.
 247   (${TAR} cf - "$@" | ${GZIP} > ${TARFILE}) || \
 248     error "Could not build tarfile"
 249   FILE_LIST="${FILE_LIST} ${TARFILE}"
 250 }
 251
 252 # Build the various tar files for the release.
 253
 254 build_tarfiles() {
 255   inform "Building tarfiles"
 256
 257   changedir "${WORKING_DIRECTORY}"
 258
 259   # The GNU Coding Standards specify that all files should
 260   # world readable.
 261   chmod -R a+r ${SOURCE_DIRECTORY}
 262   # And that all directories have mode 777.
 263   find ${SOURCE_DIRECTORY} -type d -exec chmod 777 {} \;
 264
 265   # Build one huge tarfile for the entire distribution.
 266   build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
 267
 268   # Now, build one for each of the languages.
 269   build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
 270   build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
 271   build_tarfile gcc-g77-${RELEASE} ${FORTRAN_DIRS}
 272   build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
 273   build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
 274   build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
 275
 276   # The core is everything else.
 277   EXCLUDES=""
 278   for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} \
 279            ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
 280     EXCLUDES="${EXCLUDES} --exclude $x"
 281   done
 282   build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
 283     `basename ${SOURCE_DIRECTORY}`
 284 }
 285
 286 # Build .bz2 files.
 287 build_bzip2() {
 288   for f in ${FILE_LIST}; do
 289     bzfile=${f%.gz}.bz2
 290     (zcat $f | ${BZIP2} > ${bzfile}) || error "Could not create ${bzfile}"
 291   done
 292 }
 293
 294 # Build diffs against an old release.
 295 build_diffs() {
 296   old_dir=${1%/*}
 297   old_file=${1##*/}
 298   old_vers=${old_file%.tar.gz}
 299   old_vers=${old_vers#gcc-}
 300   inform "Building diffs against version $old_vers"
 301   for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-java gcc-objc gcc-testsuite gcc-core; do
 302     old_tar=${old_dir}/${f}-${old_vers}.tar.gz
 303     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.gz
 304     if [ -e $old_tar ] && [ -e $new_tar ]; then
 305       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 306         ${f}-${old_vers}-${RELEASE}.diff.gz
 307     fi
 308   done
 309 }
 310
 311 # Build an individual diff.
 312 build_diff() {
 313   changedir "${WORKING_DIRECTORY}"
 314   tmpdir=gccdiff.$$
 315   mkdir $tmpdir || error "Could not create directory $tmpdir"
 316   changedir $tmpdir
 317   tar xfz $1 || error "Could not unpack $1 for diffs"
 318   tar xfz $3 || error "Could not unpack $3 for diffs"
 319   ${DIFF} $2 $4 > ../${5%.gz}
 320   if [ $? -eq 2 ]; then
 321     error "Trouble making diffs from $1 to $3"
 322   fi
 323   ${GZIP} ../${5%.gz} || error "Could not gzip ../${5%.gz}"
 324   changedir ..
 325   rm -rf $tmpdir
 326   FILE_LIST="${FILE_LIST} $5"
 327 }
 328
 329 # Upload the files to the FTP server.
 330
 331 upload_files() {
 332   inform "Uploading files"
 333
 334   changedir "${WORKING_DIRECTORY}"
 335
 336   # Make sure the directory exists on the server.
 337   if [ $LOCAL -eq 0 ]; then
 338     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
 339       mkdir -p "${FTP_PATH}/diffs"
 340     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 341   else
 342     mkdir -p "${FTP_PATH}/diffs" \
 343       || error "Could not create \`${FTP_PATH}'"
 344     UPLOAD_PATH=${FTP_PATH}
 345   fi
 346
 347   # Then copy files to their respective (sub)directories.
 348   for x in gcc*.gz gcc*.bz2; do
 349     if [ -e ${x} ]; then
 350       # Make sure the file will be readable on the server.
 351       chmod a+r ${x}
 352       # Copy it.
 353       case ${x} in
 354         *.diff.*)
 355           SUBDIR="diffs/";
 356           ;;
 357         *)
 358           SUBDIR="";
 359       esac
 360       ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
 361         || error "Could not upload ${x}"
 362     fi
 363   done
 364 }
 365
 366 ########################################################################
 367 # Initialization
 368 ########################################################################
 369
 370 # Today's date.
 371 DATE=`date "+%Y%m%d"`
 372 LONG_DATE=`date "+%Y-%m-%d"`
 373
 374 # The CVS server containing the GCC repository.
 375 CVS_SERVER="gcc.gnu.org"
 376 # The path to the repository on that server.
 377 CVS_REPOSITORY="/cvs/gcc"
 378 # The CVS protocol to use.
 379 CVS_PROTOCOL="ext"
 380 # The username to use when connecting to the server.
 381 CVS_USERNAME="${USER}"
 382
 383 # The machine to which files will be uploaded.
 384 GCC_HOSTNAME="gcc.gnu.org"
 385 # The name of the account on the machine to which files are uploaded.
 386 GCC_USERNAME="gccadmin"
 387 # The directory in which the files will be placed.
 388 FTP_PATH="~ftp/pub/gcc"
 389
 390 # The major number for the release.  For release `3.0.2' this would be
 391 # `3'
 392 RELEASE_MAJOR=""
 393 # The minor number for the release.  For release `3.0.2' this would be
 394 # `0'.
 395 RELEASE_MINOR=""
 396 # The revision number for the release.  For release `3.0.2' this would
 397 # be `2'.
 398 RELEASE_REVISION=""
 399 # The complete name of the release.
 400 RELEASE=""
 401
 402 # The name of the branch from which the release should be made.
 403 BRANCH=""
 404
 405 # The tag to apply to the sources used for the release.
 406 TAG=""
 407
 408 # The old tarballs from which to generate diffs.
 409 OLD_TARS=""
 410
 411 # The directory that will be used to construct the release.  The
 412 # release itself will be placed in a subdirectory of this diretory.
 413 DESTINATION=${HOME}
 414 # The subdirectory.
 415 WORKING_DIRECTORY=""
 416 # The directory that will contain the GCC sources.
 417 SOURCE_DIRECTORY=""
 418
 419 # The directories that should be part of the various language-specific
 420 # tar files.  These are all relative to the top of the source tree.
 421 ADA_DIRS="gcc/ada"
 422 CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
 423 FORTRAN_DIRS="gcc/f libf2c"
 424 JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
 425 OBJECTIVEC_DIRS="gcc/objc libobjc"
 426 TESTSUITE_DIRS="gcc/testsuite"
 427
 428 # Non-zero if this is the final release, rather than a prerelease.
 429 FINAL=0
 430
 431 # Non-zero if we are building a snapshot, and don't build gcc or
 432 # include generated files.
 433 SNAPSHOT=0
 434
 435 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 436 # and copy directly to the FTP directory.
 437 LOCAL=0
 438
 439 # Major operation modes.
 440 MODE_BZIP2=0
 441 MODE_DIFFS=0
 442 MODE_SOURCES=0
 443 MODE_TARFILES=0
 444 MODE_UPLOAD=0
 445
 446 # .gz files generated to create .bz2 files from.
 447 FILE_LIST=""
 448
 449 # Programs we use.
 450
 451 BZIP2="${BZIP2:-bzip2}"
 452 CVS="${CVS:-cvs -f -Q -z9}"
 453 DIFF="${DIFF:-diff -Nrc3pad}"
 454 ENV="${ENV:-env}"
 455 GZIP="${GZIP:-gzip --best}"
 456 SCP="${SCP:-scp -p}"
 457 SSH="${SSH:-ssh}"
 458 TAR="${TAR:-tar}"
 459
 460 ########################################################################
 461 # Command Line Processing
 462 ########################################################################
 463
 464 # Parse the options.
 465 while getopts "d:fr:u:t:p:sl" ARG; do
 466     case $ARG in
 467     d)    DESTINATION="${OPTARG}";;
 468     r)    RELEASE="${OPTARG}";;
 469     t)    TAG="${OPTARG}";;
 470     u)    CVS_USERNAME="${OPTARG}";;
 471     f)    FINAL=1;;
 472     s)    SNAPSHOT=1;;
 473     l)    LOCAL=1
 474           SCP=cp
 475           FTP_PATH=~ftp/pub/gcc
 476           PATH=~:/usr/local/bin:$PATH;;
 477     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 478           if [ -d ${OPTARG} ]; then
 479             error "-p argument must name a tarball"
 480           fi;;
 481     \?)   usage;;
 482     esac
 483 done
 484 shift `expr ${OPTIND} - 1`
 485
 486 # Perform consistency checking.
 487 if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
 488   error "No username specified"
 489 fi
 490
 491 if [ ! -d ${DESTINATION} ]; then
 492   error "\`${DESTINATION}' is not a directory"
 493 fi
 494
 495 if [ $SNAPSHOT -eq 0 ]; then
 496   if [ -z ${RELEASE} ]; then
 497     error "No release number specified"
 498   fi
 499
 500   # Compute the major and minor release numbers.
 501   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 502   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 503   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 504
 505   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 506     error "Release number \`${RELEASE}' is invalid"
 507   fi
 508
 509   # Compute the full name of the release.
 510   if [ -z "${RELEASE_REVISION}" ]; then
 511     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 512   else
 513     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 514   fi
 515
 516   # Compute the name of the branch, which is based solely on the major
 517   # and minor release numbers.
 518   BRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
 519
 520   # If this is not a final release, set various parameters acordingly.
 521   if [ ${FINAL} -ne 1 ]; then
 522     RELEASE="${RELEASE}-${DATE}"
 523     FTP_PATH="${FTP_PATH}/snapshots/"
 524   else
 525     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 526   fi
 527 else
 528   RELEASE=$DATE
 529   # For now snapshots come from the 3.3 branch.
 530   BRANCH=gcc-3_3-branch
 531   FTP_PATH="${FTP_PATH}/snapshots/${LONG_DATE}"
 532   TAG=gcc_ss_${DATE}
 533
 534   # Building locally on gcc.gnu.org, we know what the last snapshot date
 535   # was.
 536   if [ $LOCAL -ne 0 ]; then
 537     LAST_DATE=`cat ~/.snapshot_date`
 538     LAST_LONG_DATE=`date --date=$LAST_DATE +%Y-%m-%d`
 539     LAST_DIR=~ftp/pub/gcc/snapshots/${LAST_LONG_DATE}
 540     OLD_TARS=${LAST_DIR}/gcc-${LAST_DATE}.tar.gz
 541   fi
 542 fi
 543
 544 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 545 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 546 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 547
 548 # Recompute the names of all the language-specific directories,
 549 # relative to the WORKING_DIRECTORY.
 550 ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
 551 CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
 552 FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
 553 JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
 554 OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
 555 TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
 556
 557 # Set up CVSROOT.
 558 if [ $LOCAL -eq 0 ]; then
 559     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
 560     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
 561 else
 562     CVSROOT="${CVS_REPOSITORY}"
 563 fi
 564 export CVSROOT
 565
 566 ########################################################################
 567 # Main Program
 568 ########################################################################
 569
 570 # Set the timezone to UTC
 571 TZ="UTC0"
 572 export TZ
 573
 574 # Handle the major modes.
 575 while [ $# -ne 0 ]; do
 576     case $1 in
 577     bzip2)    MODE_BZIP2=1;;
 578     diffs)    MODE_DIFFS=1;;
 579     sources)  MODE_SOURCES=1;;
 580     tarfiles) MODE_TARFILES=1;;
 581     upload)   MODE_UPLOAD=1;;
 582     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_BZIP2=1; MODE_UPLOAD=1;;
 583     *)        error "Unknown mode $1";;
 584     esac
 585     shift
 586 done
 587
 588 # Build the source directory.
 589
 590 if [ $MODE_SOURCES -ne 0 ]; then
 591   build_sources
 592 fi
 593
 594 # Build the tar files.
 595
 596 if [ $MODE_TARFILES -ne 0 ]; then
 597   build_tarfiles
 598 fi
 599
 600 # Build diffs
 601
 602 if [ $MODE_DIFFS -ne 0 ]; then
 603   # Possibly build diffs.
 604   if [ -n "$OLD_TARS" ]; then
 605     for old_tar in $OLD_TARS; do
 606       build_diffs $old_tar
 607     done
 608   fi
 609 fi
 610
 611 # Build bzip2 files
 612 if [ $MODE_BZIP2 -ne 0 ]; then
 613   build_bzip2
 614 fi
 615
 616 # Upload them to the FTP server.
 617
 618 if [ $MODE_UPLOAD -ne 0 ]; then
 619   upload_files
 620
 621   # For snapshots, make some further updates.
 622   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 623     # Update links on the FTP server.
 624     TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 625     cd ~ftp/pub/gcc/snapshots
 626     sed -e "s%@DATE@%$DATE%g" -e "s%@LAST_DATE@%$LAST_DATE%g" \
 627       -e "s%@LONG_DATE@%$LONG_DATE%g" \
 628       -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-README > $$
 629     mv $$ README
 630     sed -e "s%@DATE@%$DATE%g" -e "s%@LAST_DATE@%$LAST_DATE%g" \
 631       -e "s%@LONG_DATE@%$LONG_DATE%g" \
 632       -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-index.html > $$
 633     mv $$ index.html
 634
 635     touch LATEST-IS-$LONG_DATE
 636     rm -f LATEST-IS-$LAST_LONG_DATE
 637
 638     # Update snapshot date file.
 639     changedir ~
 640     echo $DATE >.snapshot_date
 641
 642     # Update gcc_latest_snapshot tag.
 643     ${CVS} rtag -d gcc_latest_snapshot gcc
 644     ${CVS} rtag -rgcc_ss_${DATE} gcc_latest_snapshot gcc
 645
 646     # Announce the snapshot.
 647     export QMAILHOST=gcc.gnu.org
 648     mail -s "gcc-ss-$DATE is now available" gcc@gcc.gnu.org < ~ftp/pub/gcc/snapshots/README
 649
 650     # Remove working directory
 651     rm -rf ${WORKING_DIRECTORY}
 652   fi
 653 fi