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: $1"
  61 }
  62
  63 # Issue a usage message explaining how to use this script.
  64
  65 usage() {
  66 cat <<EOF
  67 gcc_release -r release [-f] [further options]
  68 gcc_release -s name:cvsbranch [further options]
  69
  70 Options:
  71
  72   -r release           Version of the form X.Y or X.Y.Z.
  73   -s name:cvsbranch    Create a snapshot, not a real release.
  74
  75   -d destination       Local working directory where we will build the release
  76                        (default=${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 ${CVSBRANCH} gcc || \
 123            error "Could not check out release sources"
 124     for x in `find ${SOURCE_DIRECTORY} -name ChangeLog`; do
 125       # Update this ChangeLog file only if it does not yet contain the
 126       # entry we are going to add.  (This is a safety net for repeated
 127       # runs of this script for the same release.)
 128       if ! grep "GCC ${RELEASE} released." ${x} > /dev/null ; then
 129         cat - ${x} > ${x}.new <<EOF
 130 ${LONG_DATE}  Release Manager
 131
 132         * GCC ${RELEASE} released.
 133
 134 EOF
 135         mv ${x}.new ${x} || \
 136             error "Could not update ${x}"
 137         (changedir `dirname ${x}` && \
 138             ${CVS} ci -m 'Mark ChangeLog' `basename ${x}`) || \
 139             error "Could not commit ${x}"
 140       fi
 141     done
 142
 143     # Update `gcc/version.c'.
 144     for x in gcc/version.c; do
 145       y=`basename ${x}`
 146       (changedir `dirname ${SOURCE_DIRECTORY}/${x}` && \
 147           sed -e 's|version_string\[\] = \".*\"|version_string\[\] = \"'${RELEASE}'\"|g' < ${y} > ${y}.new && \
 148           mv ${y}.new ${y} && \
 149           ${CVS} ci -m 'Update version' ${y}) || \
 150           error "Could not update ${x}"
 151     done
 152
 153     # Make sure we tag the sources for a final release.
 154     TAG="gcc_`echo ${RELEASE} | tr . _`_release"
 155
 156     rm -rf ${SOURCE_DIRECTORY}
 157   fi
 158
 159   # Tag the sources.
 160   if [ -n "${TAG}" ]; then
 161     inform "Tagging sources as ${TAG}"
 162     ${CVS} rtag -r ${CVSBRANCH} -F ${TAG} gcc || \
 163       error "Could not tag sources"
 164     EXPORTTAG="-r${TAG}"
 165     EXPORTDATE=""
 166   else
 167     if [ ${CVSBRANCH} != "HEAD" ]; then
 168       EXPORTTAG="-r${CVSBRANCH}"
 169     else
 170       # HEAD is the default branch, no need to specify it.
 171       EXPORTTAG=""
 172     fi
 173     EXPORTDATE="-D`date -u +"%Y-%m-%d %H:%M"` UTC"
 174   fi
 175
 176   # Export the current sources.
 177   inform "Retrieving sources (cvs export ${EXPORTTAG} ${EXPORTDATE} gcc)"
 178
 179   if [ -z "${EXPORTTAG}" ]; then
 180     ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
 181        "${EXPORTDATE}" gcc || \
 182       error "Could not retrieve sources"
 183   elif [ -z "${EXPORTDATE}" ]; then
 184     ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
 185        "${EXPORTTAG}" gcc || \
 186       error "Could not retrieve sources"
 187   else
 188     error "Cannot specify -r and -D at the same time"
 189   fi
 190
 191   # Run gcc_update on them to set up the timestamps nicely.
 192   changedir "gcc-${RELEASE}"
 193   contrib/gcc_update --touch
 194
 195   # Obtain some documentation files from the wwwdocs module.
 196   inform "Retrieving HTML documentation"
 197   changedir "${WORKING_DIRECTORY}"
 198   for x in bugs faq; do
 199     (${CVS} export -r HEAD wwwdocs/htdocs/${x}.html && \
 200      cp ${WORKING_DIRECTORY}/wwwdocs/htdocs/${x}.html \
 201         ${SOURCE_DIRECTORY}) || \
 202       error "Could not retrieve ${x}.html"
 203   done
 204
 205   inform "Generating plain-text documentation from HTML"
 206   changedir "${SOURCE_DIRECTORY}"
 207   for file in *.html; do
 208     newfile=`echo $file | sed -e 's/.html//' | tr "[:lower:]" "[:upper:]"`
 209     (${ENV} TERM=vt100 lynx -dump $file \
 210        | sed -e "s#file://localhost`/bin/pwd`\(.*\)#http://gcc.gnu.org\1#g" \
 211        > $newfile) || \
 212      error "Could not generate text-only version of ${file}"
 213   done
 214
 215   # For a prerelease or real release, we need to generate additional
 216   # files not present in CVS.
 217   changedir "${SOURCE_DIRECTORY}"
 218   if [ $SNAPSHOT -ne 1 ]; then
 219     # Generate the documentation.
 220     inform "Building install docs"
 221     SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
 222     DESTDIR=${SOURCE_DIRECTORY}/INSTALL
 223     export SOURCEDIR
 224     export DESTDIR
 225     ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
 226
 227     # Regenerate the NEWS file.
 228     contrib/gennews > gcc/NEWS || \
 229       error "Could not regenerate NEWS files"
 230
 231     # Now, we must build the compiler in order to create any generated
 232     # files that are supposed to go in the source directory.  This is
 233     # also a good sanity check to make sure that the release builds
 234     # on at least one platform.
 235     inform "Building compiler"
 236     OBJECT_DIRECTORY=../objdir
 237     contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} build || \
 238       error "Could not rebuild GCC"
 239
 240     # Regenerate the Fotran NEWS and BUGS files.
 241     (cd ${OBJECT_DIRECTORY}/gcc && make f77.rebuilt) || \
 242       error "Could not regenerate Fortran NEWS and BUGS files"
 243   fi
 244
 245   # Move message catalogs to source directory.
 246   mv ../objdir/gcc/po/*.gmo gcc/po/
 247
 248   # Create a `.brik' file to use for checking the validity of the
 249   # release.
 250   changedir "${SOURCE_DIRECTORY}"
 251   BRIK_FILE=`mktemp /tmp/gcc_release.XXXXXXX`
 252   ((find . -type f | sort > $BRIK_FILE) && \
 253        brik -Gb -f ${BRIK_FILE} > .brik && \
 254        rm ${BRIK_FILE}) || \
 255      error "Could not compute brik checksum"
 256 }
 257
 258 # Buid a single tarfile.  The first argument is the name of the name
 259 # of the tarfile to build, without any suffixes.  They will be added
 260 # automatically.  The rest of the arguments are the files or
 261 # directories to include.
 262
 263 build_tarfile() {
 264   # Get the name of the destination tar file.
 265   TARFILE="$1.tar.bz2"
 266   shift
 267
 268   # Build the tar file itself.
 269   (${TAR} cf - "$@" | ${BZIP2} > ${TARFILE}) || \
 270     error "Could not build tarfile"
 271   FILE_LIST="${FILE_LIST} ${TARFILE}"
 272 }
 273
 274 # Build the various tar files for the release.
 275
 276 build_tarfiles() {
 277   inform "Building tarfiles"
 278
 279   changedir "${WORKING_DIRECTORY}"
 280
 281   # The GNU Coding Standards specify that all files should
 282   # world readable.
 283   chmod -R a+r ${SOURCE_DIRECTORY}
 284   # And that all directories have mode 777.
 285   find ${SOURCE_DIRECTORY} -type d -exec chmod 777 {} \;
 286
 287   # Build one huge tarfile for the entire distribution.
 288   build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
 289
 290   # Now, build one for each of the languages.
 291   build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
 292   build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
 293   build_tarfile gcc-g77-${RELEASE} ${FORTRAN_DIRS}
 294   build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
 295   build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
 296   build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
 297
 298   # The core is everything else.
 299   EXCLUDES=""
 300   for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} \
 301            ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
 302     EXCLUDES="${EXCLUDES} --exclude $x"
 303   done
 304   build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
 305     `basename ${SOURCE_DIRECTORY}`
 306 }
 307
 308 # Build .gz files.
 309 build_gzip() {
 310   for f in ${FILE_LIST}; do
 311     target=${f%.bz2}.gz
 312     (${BZIP2} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
 313   done
 314 }
 315
 316 # Build diffs against an old release.
 317 build_diffs() {
 318   old_dir=${1%/*}
 319   old_file=${1##*/}
 320   old_vers=${old_file%.tar.bz2}
 321   old_vers=${old_vers#gcc-}
 322   inform "Building diffs against version $old_vers"
 323   for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-java gcc-objc gcc-testsuite gcc-core; do
 324     old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
 325     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.bz2
 326     if [ ! -e $old_tar ]; then
 327       inform "$old_tar not found; not generating diff file"
 328     elif [ ! -e $new_tar ]; then
 329       inform "$new_tar not found; not generating diff file"
 330     else
 331       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 332         ${f}-${old_vers}-${RELEASE}.diff.bz2
 333     fi
 334   done
 335 }
 336
 337 # Build an individual diff.
 338 build_diff() {
 339   changedir "${WORKING_DIRECTORY}"
 340   tmpdir=gccdiff.$$
 341   mkdir $tmpdir || error "Could not create directory $tmpdir"
 342   changedir $tmpdir
 343   (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
 344   (${BZIP2} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
 345   ${DIFF} $2 $4 > ../${5%.bz2}
 346   if [ $? -eq 2 ]; then
 347     error "Trouble making diffs from $1 to $3"
 348   fi
 349   ${BZIP2} ../${5%.bz2} || error "Could not generate ../$5"
 350   changedir ..
 351   rm -rf $tmpdir
 352   FILE_LIST="${FILE_LIST} $5"
 353 }
 354
 355 # Upload the files to the FTP server.
 356 upload_files() {
 357   inform "Uploading files"
 358
 359   changedir "${WORKING_DIRECTORY}"
 360
 361   # Make sure the directory exists on the server.
 362   if [ $LOCAL -eq 0 ]; then
 363     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
 364       mkdir -p "${FTP_PATH}/diffs"
 365     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 366   else
 367     mkdir -p "${FTP_PATH}/diffs" \
 368       || error "Could not create \`${FTP_PATH}'"
 369     UPLOAD_PATH=${FTP_PATH}
 370   fi
 371
 372   # Then copy files to their respective (sub)directories.
 373   for x in gcc*.gz gcc*.bz2; do
 374     if [ -e ${x} ]; then
 375       # Make sure the file will be readable on the server.
 376       chmod a+r ${x}
 377       # Copy it.
 378       case ${x} in
 379         *.diff.*)
 380           SUBDIR="diffs/";
 381           ;;
 382         *)
 383           SUBDIR="";
 384       esac
 385       ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
 386         || error "Could not upload ${x}"
 387     fi
 388   done
 389 }
 390
 391 # Announce a snapshot, both on the web and via mail.
 392 announce_snapshot() {
 393   inform "Updating links and READMEs on the FTP server"
 394
 395   TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 396   cd ~ftp/pub/gcc/snapshots
 397   sed -e "s%@DATE@%$DATE%g" \
 398      -e "s%@LAST_DATE@%$LAST_DATE%g" \
 399     -e "s%@BRANCH@%${BRANCH}%g" \
 400     -e "s%@RELEASE@%${RELEASE}%g" \
 401     -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-README > $$
 402   mv $$ ${RELEASE}/README
 403   sed -e "s%@DATE@%$DATE%g" \
 404      -e "s%@LAST_DATE@%$LAST_DATE%g" \
 405     -e "s%@BRANCH@%${BRANCH}%g" \
 406     -e "s%@RELEASE@%${RELEASE}%g" \
 407     -e "s%@TEXT_DATE@%$TEXT_DATE%g" < ~/scripts/snapshot-index.html > $$
 408   mv $$ ${RELEASE}/index.html
 409
 410   touch LATEST-IS-${BRANCH}-${DATE}
 411   rm -f LATEST-IS-${BRANCH}-${LAST_DATE}
 412
 413   inform "Sending mail"
 414
 415   export QMAILHOST=gcc.gnu.org
 416   mail -s "gcc-ss-${RELEASE} is now available" gcc@gcc.gnu.org < ~ftp/pub/gcc/snapshots/${RELEASE}/README
 417 }
 418
 419 ########################################################################
 420 # Initialization
 421 ########################################################################
 422
 423 # Today's date.
 424 DATE=`date "+%Y%m%d"`
 425 LONG_DATE=`date "+%Y-%m-%d"`
 426
 427 # The CVS server containing the GCC repository.
 428 CVS_SERVER="gcc.gnu.org"
 429 # The path to the repository on that server.
 430 CVS_REPOSITORY="/cvs/gcc"
 431 # The CVS protocol to use.
 432 CVS_PROTOCOL="ext"
 433 # The username to use when connecting to the server.
 434 CVS_USERNAME="${USER}"
 435
 436 # The machine to which files will be uploaded.
 437 GCC_HOSTNAME="gcc.gnu.org"
 438 # The name of the account on the machine to which files are uploaded.
 439 GCC_USERNAME="gccadmin"
 440 # The directory in which the files will be placed.
 441 FTP_PATH="~ftp/pub/gcc"
 442
 443 # The major number for the release.  For release `3.0.2' this would be
 444 # `3'
 445 RELEASE_MAJOR=""
 446 # The minor number for the release.  For release `3.0.2' this would be
 447 # `0'.
 448 RELEASE_MINOR=""
 449 # The revision number for the release.  For release `3.0.2' this would
 450 # be `2'.
 451 RELEASE_REVISION=""
 452 # The complete name of the release.
 453 RELEASE=""
 454
 455 # The name of the branch from which the release should be made, in a
 456 # user-friendly form.
 457 BRANCH=""
 458
 459 # The name of the branch from which the release should be made, as used
 460 # for our version control system.
 461 CVSBRANCH=""
 462
 463 # The tag to apply to the sources used for the release.
 464 TAG=""
 465
 466 # The old tarballs from which to generate diffs.
 467 OLD_TARS=""
 468
 469 # The directory that will be used to construct the release.  The
 470 # release itself will be placed in a subdirectory of this diretory.
 471 DESTINATION=${HOME}
 472 # The subdirectory.
 473 WORKING_DIRECTORY=""
 474 # The directory that will contain the GCC sources.
 475 SOURCE_DIRECTORY=""
 476
 477 # The directories that should be part of the various language-specific
 478 # tar files.  These are all relative to the top of the source tree.
 479 ADA_DIRS="gcc/ada"
 480 CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
 481 FORTRAN_DIRS="gcc/f libf2c"
 482 JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
 483 OBJECTIVEC_DIRS="gcc/objc libobjc"
 484 TESTSUITE_DIRS="gcc/testsuite"
 485
 486 # Non-zero if this is the final release, rather than a prerelease.
 487 FINAL=0
 488
 489 # Non-zero if we are building a snapshot, and don't build gcc or
 490 # include generated files.
 491 SNAPSHOT=0
 492
 493 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 494 # and copy directly to the FTP directory.
 495 LOCAL=0
 496
 497 # Major operation modes.
 498 MODE_GZIP=0
 499 MODE_DIFFS=0
 500 MODE_SOURCES=0
 501 MODE_TARFILES=0
 502 MODE_UPLOAD=0
 503
 504 # List of archive files generated; used to create .gz files from .bz2.
 505 FILE_LIST=""
 506
 507 # Programs we use.
 508
 509 BZIP2="${BZIP2:-bzip2}"
 510 CVS="${CVS:-cvs -f -Q -z9}"
 511 DIFF="${DIFF:-diff -Nrc3pad}"
 512 ENV="${ENV:-env}"
 513 GZIP="${GZIP:-gzip --best}"
 514 SCP="${SCP:-scp -p}"
 515 SSH="${SSH:-ssh}"
 516 TAR="${TAR:-tar}"
 517
 518 ########################################################################
 519 # Command Line Processing
 520 ########################################################################
 521
 522 # Parse the options.
 523 while getopts "d:fr:u:t:p:s:l" ARG; do
 524     case $ARG in
 525     d)    DESTINATION="${OPTARG}";;
 526     r)    RELEASE="${OPTARG}";;
 527     t)    TAG="${OPTARG}";;
 528     u)    CVS_USERNAME="${OPTARG}";;
 529     f)    FINAL=1;;
 530     s)    SNAPSHOT=1
 531           BRANCH=${OPTARG%:*}
 532           CVSBRANCH=${OPTARG#*:}
 533           ;;
 534     l)    LOCAL=1
 535           SCP=cp
 536           FTP_PATH=~ftp/pub/gcc
 537           PATH=~:/usr/local/bin:$PATH;;
 538     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 539           if [ -d ${OPTARG} ]; then
 540             error "-p argument must name a tarball"
 541           fi;;
 542     \?)   usage;;
 543     esac
 544 done
 545 shift `expr ${OPTIND} - 1`
 546
 547 # Handle the major modes.
 548 while [ $# -ne 0 ]; do
 549     case $1 in
 550     diffs)    MODE_DIFFS=1;;
 551     gzip)     MODE_GZIP=1;;
 552     sources)  MODE_SOURCES=1;;
 553     tarfiles) MODE_TARFILES=1;;
 554     upload)   MODE_UPLOAD=1;;
 555     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
 556               if [ $SNAPSHOT -ne 1 ]; then
 557                 # Only for releases and pre-releases.
 558                 MODE_GZIP=1;
 559               fi
 560               ;;
 561     *)        error "Unknown mode $1";;
 562     esac
 563     shift
 564 done
 565
 566 # Perform consistency checking.
 567 if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
 568   error "No username specified"
 569 fi
 570
 571 if [ ! -d ${DESTINATION} ]; then
 572   error "\`${DESTINATION}' is not a directory"
 573 fi
 574
 575 if [ $SNAPSHOT -eq 0 ]; then
 576   if [ -z ${RELEASE} ]; then
 577     error "No release number specified"
 578   fi
 579
 580   # Compute the major and minor release numbers.
 581   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 582   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 583   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 584
 585   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 586     error "Release number \`${RELEASE}' is invalid"
 587   fi
 588
 589   # Compute the full name of the release.
 590   if [ -z "${RELEASE_REVISION}" ]; then
 591     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 592   else
 593     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 594   fi
 595
 596   # Compute the name of the branch, which is based solely on the major
 597   # and minor release numbers.
 598   CVSBRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
 599
 600   # If this is not a final release, set various parameters acordingly.
 601   if [ ${FINAL} -ne 1 ]; then
 602     RELEASE="${RELEASE}-${DATE}"
 603     FTP_PATH="${FTP_PATH}/prerelease-${RELEASE}/"
 604   else
 605     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 606   fi
 607 else
 608   RELEASE=${BRANCH}-${DATE}
 609   FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
 610   if [ ${CVSBRANCH} != "HEAD" ]; then
 611     TAG=gcc-ss-`echo ${RELEASE} | tr '.' '_'`
 612   fi
 613
 614   # Building locally on gcc.gnu.org, we know what the last snapshot date
 615   # was.
 616   if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ]; then
 617     LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
 618     LAST_DIR=~ftp/pub/gcc/snapshots/${BRANCH}-${LAST_DATE}
 619     OLD_TARS=${LAST_DIR}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
 620   fi
 621 fi
 622
 623 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 624 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 625 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 626
 627 # Recompute the names of all the language-specific directories,
 628 # relative to the WORKING_DIRECTORY.
 629 ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
 630 CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
 631 FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
 632 JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
 633 OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
 634 TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
 635
 636 # Set up CVSROOT.
 637 if [ $LOCAL -eq 0 ]; then
 638     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
 639     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
 640 else
 641     CVSROOT="${CVS_REPOSITORY}"
 642 fi
 643 export CVSROOT
 644
 645 ########################################################################
 646 # Main Program
 647 ########################################################################
 648
 649 # Set the timezone to UTC
 650 TZ="UTC0"
 651 export TZ
 652
 653 # Build the source directory.
 654
 655 if [ $MODE_SOURCES -ne 0 ]; then
 656   build_sources
 657 fi
 658
 659 # Build the tar files.
 660
 661 if [ $MODE_TARFILES -ne 0 ]; then
 662   build_tarfiles
 663 fi
 664
 665 # Build diffs
 666
 667 if [ $MODE_DIFFS -ne 0 ]; then
 668   # Possibly build diffs.
 669   if [ -n "$OLD_TARS" ]; then
 670     for old_tar in $OLD_TARS; do
 671       build_diffs $old_tar
 672     done
 673   fi
 674 fi
 675
 676 # Build gzip files
 677 if [ $MODE_GZIP -ne 0 ]; then
 678   build_gzip
 679 fi
 680
 681 # Upload them to the FTP server.
 682
 683 if [ $MODE_UPLOAD -ne 0 ]; then
 684   upload_files
 685
 686   # For snapshots, make some further updates.
 687   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 688     announce_snapshot
 689
 690     # Update snapshot date file.
 691     changedir ~
 692     echo $DATE > .snapshot_date-${BRANCH}
 693
 694     # Remove working directory
 695     rm -rf ${WORKING_DIRECTORY}
 696   fi
 697 fi