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 ${SOURCE_DIRECTORY}
 157   fi
 158
 159   # Tag the sources.
 160   EXPORTDATE=""
 161   if [ -n "${TAG}" ]; then
 162     inform "Tagging sources as ${TAG}"
 163     # The -F option to CVS is intentionally not used below.  If you
 164     # need to retry a release, you will have to manually remove any
 165     # existing tag.
 166     ${CVS} rtag -r ${CVSBRANCH} ${TAG} gcc || \
 167       error "Could not tag sources"
 168     EXPORTTAG="-r${TAG}"
 169   else
 170     if [ ${CVSBRANCH} != "HEAD" ]; then
 171       EXPORTTAG="-r${CVSBRANCH}"
 172       # It does not work to use both "-r" and "-D" with
 173       # "cvs export" so EXPORTDATE is not set here.
 174     else
 175       # HEAD is the default branch, no need to specify it.
 176       EXPORTTAG=""
 177       EXPORTDATE="-D`date -u +"%Y-%m-%d %H:%M"` UTC"
 178     fi
 179   fi
 180
 181   # Export the current sources.
 182   inform "Retrieving sources (cvs export ${EXPORTTAG} ${EXPORTDATE} gcc)"
 183
 184   if [ -z "${EXPORTTAG}" ]; then
 185     ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
 186        "${EXPORTDATE}" gcc || \
 187       error "Could not retrieve sources"
 188   elif [ -z "${EXPORTDATE}" ]; then
 189     ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
 190        "${EXPORTTAG}" gcc || \
 191       error "Could not retrieve sources"
 192   else
 193     error "Cannot specify -r and -D at the same time"
 194   fi
 195
 196   # Run gcc_update on them to set up the timestamps nicely, and (re)write
 197   # the LAST_UPDATED file containing the CVS tag/date used.
 198   changedir "gcc-${RELEASE}"
 199   contrib/gcc_update --touch
 200   echo "Obtained from CVS: ${EXPORTTAG} ${EXPORTDATE}" > LAST_UPDATED
 201
 202   # Obtain some documentation files from the wwwdocs module.
 203   inform "Retrieving HTML documentation"
 204   changedir "${WORKING_DIRECTORY}"
 205   for x in bugs faq; do
 206     (${CVS} export -r HEAD wwwdocs/htdocs/${x}.html && \
 207      cp ${WORKING_DIRECTORY}/wwwdocs/htdocs/${x}.html \
 208         ${SOURCE_DIRECTORY}) || \
 209       error "Could not retrieve ${x}.html"
 210   done
 211
 212   inform "Generating plain-text documentation from HTML"
 213   changedir "${SOURCE_DIRECTORY}"
 214   for file in *.html; do
 215     newfile=`echo $file | sed -e 's/.html//' | tr "[:lower:]" "[:upper:]"`
 216     (${ENV} TERM=vt100 lynx -dump $file \
 217        | sed -e "s#file://localhost`/bin/pwd`\(.*\)#http://gcc.gnu.org\1#g" \
 218        > $newfile) || \
 219      error "Could not generate text-only version of ${file}"
 220   done
 221
 222   # For a prerelease or real release, we need to generate additional
 223   # files not present in CVS.
 224   changedir "${SOURCE_DIRECTORY}"
 225   if [ $SNAPSHOT -ne 1 ]; then
 226     # Generate the documentation.
 227     inform "Building install docs"
 228     SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
 229     DESTDIR=${SOURCE_DIRECTORY}/INSTALL
 230     export SOURCEDIR
 231     export DESTDIR
 232     ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
 233
 234     # Regenerate the NEWS file.
 235     contrib/gennews > gcc/NEWS || \
 236       error "Could not regenerate NEWS files"
 237
 238     # Now, we must build the compiler in order to create any generated
 239     # files that are supposed to go in the source directory.  This is
 240     # also a good sanity check to make sure that the release builds
 241     # on at least one platform.
 242     inform "Building compiler"
 243     OBJECT_DIRECTORY=../objdir
 244     contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} \
 245       -c "--enable-generated-files-in-srcdir" build || \
 246       error "Could not rebuild GCC"
 247   fi
 248
 249   # Move message catalogs to source directory.
 250   mv ../objdir/gcc/po/*.gmo gcc/po/
 251
 252   # Create a `.brik' file to use for checking the validity of the
 253   # release.
 254   changedir "${SOURCE_DIRECTORY}"
 255   BRIK_FILE=`mktemp /tmp/gcc_release.XXXXXXX`
 256   ((find . -type f | sort > $BRIK_FILE) && \
 257        brik -Gb -f ${BRIK_FILE} > .brik && \
 258        rm ${BRIK_FILE}) || \
 259      error "Could not compute brik checksum"
 260 }
 261
 262 # Buid a single tarfile.  The first argument is the name of the name
 263 # of the tarfile to build, without any suffixes.  They will be added
 264 # automatically.  The rest of the arguments are the files or
 265 # directories to include.
 266
 267 build_tarfile() {
 268   # Get the name of the destination tar file.
 269   TARFILE="$1.tar.bz2"
 270   shift
 271
 272   # Build the tar file itself.
 273   (${TAR} cf - "$@" | ${BZIP2} > ${TARFILE}) || \
 274     error "Could not build tarfile"
 275   FILE_LIST="${FILE_LIST} ${TARFILE}"
 276 }
 277
 278 # Build the various tar files for the release.
 279
 280 build_tarfiles() {
 281   inform "Building tarfiles"
 282
 283   changedir "${WORKING_DIRECTORY}"
 284
 285   # The GNU Coding Standards specify that all files should
 286   # world readable.
 287   chmod -R a+r ${SOURCE_DIRECTORY}
 288   # And that all directories have mode 777.
 289   find ${SOURCE_DIRECTORY} -type d -exec chmod 777 {} \;
 290
 291   # Build one huge tarfile for the entire distribution.
 292   build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
 293
 294   # Now, build one for each of the languages.
 295   build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
 296   build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
 297   build_tarfile gcc-g77-${RELEASE} ${FORTRAN_DIRS}
 298   build_tarfile gcc-fortran-${RELEASE} ${FORTRAN95_DIRS}
 299   build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
 300   build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
 301   build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
 302
 303   # The core is everything else.
 304   EXCLUDES=""
 305   for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} ${FORTRAN95_DIRS}\
 306            ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
 307     EXCLUDES="${EXCLUDES} --exclude $x"
 308   done
 309   build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
 310     `basename ${SOURCE_DIRECTORY}`
 311 }
 312
 313 # Build .gz files.
 314 build_gzip() {
 315   for f in ${FILE_LIST}; do
 316     target=${f%.bz2}.gz
 317     (${BZIP2} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
 318   done
 319 }
 320
 321 # Build diffs against an old release.
 322 build_diffs() {
 323   old_dir=${1%/*}
 324   old_file=${1##*/}
 325   old_vers=${old_file%.tar.bz2}
 326   old_vers=${old_vers#gcc-}
 327   inform "Building diffs against version $old_vers"
 328   for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-fortran gcc-java gcc-objc gcc-testsuite gcc-core; do
 329     old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
 330     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.bz2
 331     if [ ! -e $old_tar ]; then
 332       inform "$old_tar not found; not generating diff file"
 333     elif [ ! -e $new_tar ]; then
 334       inform "$new_tar not found; not generating diff file"
 335     else
 336       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 337         ${f}-${old_vers}-${RELEASE}.diff.bz2
 338     fi
 339   done
 340 }
 341
 342 # Build an individual diff.
 343 build_diff() {
 344   changedir "${WORKING_DIRECTORY}"
 345   tmpdir=gccdiff.$$
 346   mkdir $tmpdir || error "Could not create directory $tmpdir"
 347   changedir $tmpdir
 348   (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
 349   (${BZIP2} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
 350   ${DIFF} $2 $4 > ../${5%.bz2}
 351   if [ $? -eq 2 ]; then
 352     error "Trouble making diffs from $1 to $3"
 353   fi
 354   ${BZIP2} ../${5%.bz2} || error "Could not generate ../$5"
 355   changedir ..
 356   rm -rf $tmpdir
 357   FILE_LIST="${FILE_LIST} $5"
 358 }
 359
 360 # Upload the files to the FTP server.
 361 upload_files() {
 362   inform "Uploading files"
 363
 364   changedir "${WORKING_DIRECTORY}"
 365
 366   # Make sure the directory exists on the server.
 367   if [ $LOCAL -eq 0 ]; then
 368     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
 369       mkdir -p "${FTP_PATH}/diffs"
 370     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 371   else
 372     mkdir -p "${FTP_PATH}/diffs" \
 373       || error "Could not create \`${FTP_PATH}'"
 374     UPLOAD_PATH=${FTP_PATH}
 375   fi
 376
 377   # Then copy files to their respective (sub)directories.
 378   for x in gcc*.gz gcc*.bz2; do
 379     if [ -e ${x} ]; then
 380       # Make sure the file will be readable on the server.
 381       chmod a+r ${x}
 382       # Copy it.
 383       case ${x} in
 384         *.diff.*)
 385           SUBDIR="diffs/";
 386           ;;
 387         *)
 388           SUBDIR="";
 389       esac
 390       ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
 391         || error "Could not upload ${x}"
 392     fi
 393   done
 394 }
 395
 396 # Announce a snapshot, both on the web and via mail.
 397 announce_snapshot() {
 398   inform "Updating links and READMEs on the FTP server"
 399
 400   TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 401   changedir "${SNAPSHOTS_DIR}"
 402   sed -e "s%@DATE@%$DATE%g" \
 403     -e "s%@TEXT_DATE@%$TEXT_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%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
 408     ~/scripts/snapshot-README > $$
 409   mv $$ ${RELEASE}/README
 410   sed -e "s%@DATE@%$DATE%g" \
 411     -e "s%@TEXT_DATE@%$TEXT_DATE%g" \
 412     -e "s%@LAST_DATE@%$LAST_DATE%g" \
 413     -e "s%@BRANCH@%${BRANCH}%g" \
 414     -e "s%@RELEASE@%${RELEASE}%g" \
 415     -e "s%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
 416     ~/scripts/snapshot-index.html > $$
 417   mv $$ ${RELEASE}/index.html
 418
 419   touch LATEST-IS-${BRANCH}-${DATE}
 420   rm -f LATEST-IS-${BRANCH}-${LAST_DATE}
 421
 422   inform "Sending mail"
 423
 424   export QMAILHOST=gcc.gnu.org
 425   mail -s "gcc-ss-${RELEASE} is now available" gcc@gcc.gnu.org < ${SNAPSHOTS_DIR}/${RELEASE}/README
 426 }
 427
 428 ########################################################################
 429 # Initialization
 430 ########################################################################
 431
 432 # Today's date.
 433 DATE=`date "+%Y%m%d"`
 434 LONG_DATE=`date "+%Y-%m-%d"`
 435
 436 # The CVS server containing the GCC repository.
 437 CVS_SERVER="gcc.gnu.org"
 438 # The path to the repository on that server.
 439 CVS_REPOSITORY="/cvs/gcc"
 440 # The CVS protocol to use.
 441 CVS_PROTOCOL="ext"
 442 # The username to use when connecting to the server.
 443 CVS_USERNAME="${USER}"
 444
 445 # The machine to which files will be uploaded.
 446 GCC_HOSTNAME="gcc.gnu.org"
 447 # The name of the account on the machine to which files are uploaded.
 448 GCC_USERNAME="gccadmin"
 449 # The directory in which the files will be placed (do not use ~user syntax).
 450 FTP_PATH=/var/ftp/pub/gcc
 451 # The directory in which snapshots will be placed.
 452 SNAPSHOTS_DIR=${FTP_PATH}/snapshots
 453
 454 # The major number for the release.  For release `3.0.2' this would be
 455 # `3'
 456 RELEASE_MAJOR=""
 457 # The minor number for the release.  For release `3.0.2' this would be
 458 # `0'.
 459 RELEASE_MINOR=""
 460 # The revision number for the release.  For release `3.0.2' this would
 461 # be `2'.
 462 RELEASE_REVISION=""
 463 # The complete name of the release.
 464 RELEASE=""
 465
 466 # The name of the branch from which the release should be made, in a
 467 # user-friendly form.
 468 BRANCH=""
 469
 470 # The name of the branch from which the release should be made, as used
 471 # for our version control system.
 472 CVSBRANCH=""
 473
 474 # The tag to apply to the sources used for the release.
 475 TAG=""
 476
 477 # The old tarballs from which to generate diffs.
 478 OLD_TARS=""
 479
 480 # The directory that will be used to construct the release.  The
 481 # release itself will be placed in a subdirectory of this diretory.
 482 DESTINATION=${HOME}
 483 # The subdirectory.
 484 WORKING_DIRECTORY=""
 485 # The directory that will contain the GCC sources.
 486 SOURCE_DIRECTORY=""
 487
 488 # The directories that should be part of the various language-specific
 489 # tar files.  These are all relative to the top of the source tree.
 490 ADA_DIRS="gcc/ada libada"
 491 CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
 492 FORTRAN_DIRS="gcc/f libf2c"
 493 FORTRAN95_DIRS="gcc/fortran libgfortran"
 494 JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
 495 OBJECTIVEC_DIRS="gcc/objc libobjc"
 496 TESTSUITE_DIRS="gcc/testsuite"
 497
 498 # Non-zero if this is the final release, rather than a prerelease.
 499 FINAL=0
 500
 501 # Non-zero if we are building a snapshot, and don't build gcc or
 502 # include generated files.
 503 SNAPSHOT=0
 504
 505 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 506 # and copy directly to the FTP directory.
 507 LOCAL=0
 508
 509 # Major operation modes.
 510 MODE_GZIP=0
 511 MODE_DIFFS=0
 512 MODE_SOURCES=0
 513 MODE_TARFILES=0
 514 MODE_UPLOAD=0
 515
 516 # List of archive files generated; used to create .gz files from .bz2.
 517 FILE_LIST=""
 518
 519 # Programs we use.
 520
 521 BZIP2="${BZIP2:-bzip2}"
 522 CVS="${CVS:-cvs -f -Q -z9}"
 523 DIFF="${DIFF:-diff -Nrc3pad}"
 524 ENV="${ENV:-env}"
 525 GZIP="${GZIP:-gzip --best}"
 526 SCP="${SCP:-scp -p}"
 527 SSH="${SSH:-ssh}"
 528 TAR="${TAR:-tar}"
 529
 530 ########################################################################
 531 # Command Line Processing
 532 ########################################################################
 533
 534 # Parse the options.
 535 while getopts "d:fr:u:t:p:s:l" ARG; do
 536     case $ARG in
 537     d)    DESTINATION="${OPTARG}";;
 538     r)    RELEASE="${OPTARG}";;
 539     t)    TAG="${OPTARG}";;
 540     u)    CVS_USERNAME="${OPTARG}";;
 541     f)    FINAL=1;;
 542     s)    SNAPSHOT=1
 543           BRANCH=${OPTARG%:*}
 544           CVSBRANCH=${OPTARG#*:}
 545           ;;
 546     l)    LOCAL=1
 547           SCP=cp
 548           PATH=~:/usr/local/bin:$PATH;;
 549     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 550           if [ ! -f ${OPTARG} ]; then
 551             error "-p argument must name a tarball"
 552           fi;;
 553     \?)   usage;;
 554     esac
 555 done
 556 shift `expr ${OPTIND} - 1`
 557
 558 # Handle the major modes.
 559 while [ $# -ne 0 ]; do
 560     case $1 in
 561     diffs)    MODE_DIFFS=1;;
 562     gzip)     MODE_GZIP=1;;
 563     sources)  MODE_SOURCES=1;;
 564     tarfiles) MODE_TARFILES=1;;
 565     upload)   MODE_UPLOAD=1;;
 566     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
 567               if [ $SNAPSHOT -ne 1 ]; then
 568                 # Only for releases and pre-releases.
 569                 MODE_GZIP=1;
 570               fi
 571               ;;
 572     *)        error "Unknown mode $1";;
 573     esac
 574     shift
 575 done
 576
 577 # Perform consistency checking.
 578 if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
 579   error "No username specified"
 580 fi
 581
 582 if [ ! -d ${DESTINATION} ]; then
 583   error "\`${DESTINATION}' is not a directory"
 584 fi
 585
 586 if [ $SNAPSHOT -eq 0 ]; then
 587   if [ -z ${RELEASE} ]; then
 588     error "No release number specified"
 589   fi
 590
 591   # Compute the major and minor release numbers.
 592   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 593   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 594   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 595
 596   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 597     error "Release number \`${RELEASE}' is invalid"
 598   fi
 599
 600   # Compute the full name of the release.
 601   if [ -z "${RELEASE_REVISION}" ]; then
 602     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 603   else
 604     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 605   fi
 606
 607   # Compute the name of the branch, which is based solely on the major
 608   # and minor release numbers.
 609   CVSBRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
 610
 611   # If this is not a final release, set various parameters acordingly.
 612   if [ ${FINAL} -ne 1 ]; then
 613     RELEASE="${RELEASE}-${DATE}"
 614     FTP_PATH="${FTP_PATH}/prerelease-${RELEASE}/"
 615   else
 616     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 617   fi
 618 else
 619   RELEASE=${BRANCH}-${DATE}
 620   FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
 621   if [ ${CVSBRANCH} != "HEAD" ]; then
 622     TAG=gcc-ss-`echo ${RELEASE} | tr '.' '_'`
 623   fi
 624
 625   # If diffs are requested when building locally on gcc.gnu.org, we (usually)
 626   # know what the last snapshot date was and take the corresponding tarballs,
 627   # unless the user specified tarballs explictly.
 628   if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ] && [ -z "${OLD_TARS}" ]; then
 629     LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
 630     OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
 631   fi
 632 fi
 633
 634 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 635 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 636 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 637
 638 # Recompute the names of all the language-specific directories,
 639 # relative to the WORKING_DIRECTORY.
 640 ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
 641 CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
 642 FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
 643 FORTRAN95_DIRS=`adjust_dirs ${FORTRAN95_DIRS}`
 644 JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
 645 OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
 646 TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
 647
 648 # Set up CVSROOT.
 649 if [ $LOCAL -eq 0 ]; then
 650     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
 651     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
 652 else
 653     CVSROOT="${CVS_REPOSITORY}"
 654 fi
 655 export CVSROOT
 656
 657 ########################################################################
 658 # Main Program
 659 ########################################################################
 660
 661 # Set the timezone to UTC
 662 TZ="UTC0"
 663 export TZ
 664
 665 # Build the source directory.
 666
 667 if [ $MODE_SOURCES -ne 0 ]; then
 668   build_sources
 669 fi
 670
 671 # Build the tar files.
 672
 673 if [ $MODE_TARFILES -ne 0 ]; then
 674   build_tarfiles
 675 fi
 676
 677 # Build diffs
 678
 679 if [ $MODE_DIFFS -ne 0 ]; then
 680   # Possibly build diffs.
 681   if [ -n "$OLD_TARS" ]; then
 682     for old_tar in $OLD_TARS; do
 683       build_diffs $old_tar
 684     done
 685   fi
 686 fi
 687
 688 # Build gzip files
 689 if [ $MODE_GZIP -ne 0 ]; then
 690   build_gzip
 691 fi
 692
 693 # Upload them to the FTP server.
 694
 695 if [ $MODE_UPLOAD -ne 0 ]; then
 696   upload_files
 697
 698   # For snapshots, make some further updates.
 699   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 700     announce_snapshot
 701
 702     # Update snapshot date file.
 703     changedir ~
 704     echo $DATE > .snapshot_date-${BRANCH}
 705
 706     # Remove working directory
 707     rm -rf ${WORKING_DIRECTORY}
 708   fi
 709 fi