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} ${FORTRAN_DIRS}
 298   build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
 299   build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
 300   build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
 301
 302   # The core is everything else.
 303   EXCLUDES=""
 304   for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} \
 305            ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
 306     EXCLUDES="${EXCLUDES} --exclude $x"
 307   done
 308   build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
 309     `basename ${SOURCE_DIRECTORY}`
 310 }
 311
 312 # Build .gz files.
 313 build_gzip() {
 314   for f in ${FILE_LIST}; do
 315     target=${f%.bz2}.gz
 316     (${BZIP2} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
 317   done
 318 }
 319
 320 # Build diffs against an old release.
 321 build_diffs() {
 322   old_dir=${1%/*}
 323   old_file=${1##*/}
 324   old_vers=${old_file%.tar.bz2}
 325   old_vers=${old_vers#gcc-}
 326   inform "Building diffs against version $old_vers"
 327   for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-java gcc-objc gcc-testsuite gcc-core; do
 328     old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
 329     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.bz2
 330     if [ ! -e $old_tar ]; then
 331       inform "$old_tar not found; not generating diff file"
 332     elif [ ! -e $new_tar ]; then
 333       inform "$new_tar not found; not generating diff file"
 334     else
 335       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 336         ${f}-${old_vers}-${RELEASE}.diff.bz2
 337     fi
 338   done
 339 }
 340
 341 # Build an individual diff.
 342 build_diff() {
 343   changedir "${WORKING_DIRECTORY}"
 344   tmpdir=gccdiff.$$
 345   mkdir $tmpdir || error "Could not create directory $tmpdir"
 346   changedir $tmpdir
 347   (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
 348   (${BZIP2} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
 349   ${DIFF} $2 $4 > ../${5%.bz2}
 350   if [ $? -eq 2 ]; then
 351     error "Trouble making diffs from $1 to $3"
 352   fi
 353   ${BZIP2} ../${5%.bz2} || error "Could not generate ../$5"
 354   changedir ..
 355   rm -rf $tmpdir
 356   FILE_LIST="${FILE_LIST} $5"
 357 }
 358
 359 # Upload the files to the FTP server.
 360 upload_files() {
 361   inform "Uploading files"
 362
 363   changedir "${WORKING_DIRECTORY}"
 364
 365   # Make sure the directory exists on the server.
 366   if [ $LOCAL -eq 0 ]; then
 367     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
 368       mkdir -p "${FTP_PATH}/diffs"
 369     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 370   else
 371     mkdir -p "${FTP_PATH}/diffs" \
 372       || error "Could not create \`${FTP_PATH}'"
 373     UPLOAD_PATH=${FTP_PATH}
 374   fi
 375
 376   # Then copy files to their respective (sub)directories.
 377   for x in gcc*.gz gcc*.bz2; do
 378     if [ -e ${x} ]; then
 379       # Make sure the file will be readable on the server.
 380       chmod a+r ${x}
 381       # Copy it.
 382       case ${x} in
 383         *.diff.*)
 384           SUBDIR="diffs/";
 385           ;;
 386         *)
 387           SUBDIR="";
 388       esac
 389       ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
 390         || error "Could not upload ${x}"
 391     fi
 392   done
 393 }
 394
 395 # Announce a snapshot, both on the web and via mail.
 396 announce_snapshot() {
 397   inform "Updating links and READMEs on the FTP server"
 398
 399   TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 400   changedir "${SNAPSHOTS_DIR}"
 401   sed -e "s%@DATE@%$DATE%g" \
 402     -e "s%@TEXT_DATE@%$TEXT_DATE%g" \
 403     -e "s%@LAST_DATE@%$LAST_DATE%g" \
 404     -e "s%@BRANCH@%${BRANCH}%g" \
 405     -e "s%@RELEASE@%${RELEASE}%g" \
 406     -e "s%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
 407     ~/scripts/snapshot-README > $$
 408   mv $$ ${RELEASE}/README
 409   sed -e "s%@DATE@%$DATE%g" \
 410     -e "s%@TEXT_DATE@%$TEXT_DATE%g" \
 411     -e "s%@LAST_DATE@%$LAST_DATE%g" \
 412     -e "s%@BRANCH@%${BRANCH}%g" \
 413     -e "s%@RELEASE@%${RELEASE}%g" \
 414     -e "s%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
 415     ~/scripts/snapshot-index.html > $$
 416   mv $$ ${RELEASE}/index.html
 417
 418   touch LATEST-IS-${BRANCH}-${DATE}
 419   rm -f LATEST-IS-${BRANCH}-${LAST_DATE}
 420
 421   inform "Sending mail"
 422
 423   export QMAILHOST=gcc.gnu.org
 424   mail -s "gcc-ss-${RELEASE} is now available" gcc@gcc.gnu.org < ${SNAPSHOTS_DIR}/${RELEASE}/README
 425 }
 426
 427 ########################################################################
 428 # Initialization
 429 ########################################################################
 430
 431 # Today's date.
 432 DATE=`date "+%Y%m%d"`
 433 LONG_DATE=`date "+%Y-%m-%d"`
 434
 435 # The CVS server containing the GCC repository.
 436 CVS_SERVER="gcc.gnu.org"
 437 # The path to the repository on that server.
 438 CVS_REPOSITORY="/cvs/gcc"
 439 # The CVS protocol to use.
 440 CVS_PROTOCOL="ext"
 441 # The username to use when connecting to the server.
 442 CVS_USERNAME="${USER}"
 443
 444 # The machine to which files will be uploaded.
 445 GCC_HOSTNAME="gcc.gnu.org"
 446 # The name of the account on the machine to which files are uploaded.
 447 GCC_USERNAME="gccadmin"
 448 # The directory in which the files will be placed (do not use ~user syntax).
 449 FTP_PATH=/var/ftp/pub/gcc
 450 # The directory in which snapshots will be placed.
 451 SNAPSHOTS_DIR=${FTP_PATH}/snapshots
 452
 453 # The major number for the release.  For release `3.0.2' this would be
 454 # `3'
 455 RELEASE_MAJOR=""
 456 # The minor number for the release.  For release `3.0.2' this would be
 457 # `0'.
 458 RELEASE_MINOR=""
 459 # The revision number for the release.  For release `3.0.2' this would
 460 # be `2'.
 461 RELEASE_REVISION=""
 462 # The complete name of the release.
 463 RELEASE=""
 464
 465 # The name of the branch from which the release should be made, in a
 466 # user-friendly form.
 467 BRANCH=""
 468
 469 # The name of the branch from which the release should be made, as used
 470 # for our version control system.
 471 CVSBRANCH=""
 472
 473 # The tag to apply to the sources used for the release.
 474 TAG=""
 475
 476 # The old tarballs from which to generate diffs.
 477 OLD_TARS=""
 478
 479 # The directory that will be used to construct the release.  The
 480 # release itself will be placed in a subdirectory of this diretory.
 481 DESTINATION=${HOME}
 482 # The subdirectory.
 483 WORKING_DIRECTORY=""
 484 # The directory that will contain the GCC sources.
 485 SOURCE_DIRECTORY=""
 486
 487 # The directories that should be part of the various language-specific
 488 # tar files.  These are all relative to the top of the source tree.
 489 ADA_DIRS="gcc/ada libada"
 490 CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
 491 FORTRAN_DIRS="gcc/f libf2c"
 492 JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
 493 OBJECTIVEC_DIRS="gcc/objc libobjc"
 494 TESTSUITE_DIRS="gcc/testsuite"
 495
 496 # Non-zero if this is the final release, rather than a prerelease.
 497 FINAL=0
 498
 499 # Non-zero if we are building a snapshot, and don't build gcc or
 500 # include generated files.
 501 SNAPSHOT=0
 502
 503 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 504 # and copy directly to the FTP directory.
 505 LOCAL=0
 506
 507 # Major operation modes.
 508 MODE_GZIP=0
 509 MODE_DIFFS=0
 510 MODE_SOURCES=0
 511 MODE_TARFILES=0
 512 MODE_UPLOAD=0
 513
 514 # List of archive files generated; used to create .gz files from .bz2.
 515 FILE_LIST=""
 516
 517 # Programs we use.
 518
 519 BZIP2="${BZIP2:-bzip2}"
 520 CVS="${CVS:-cvs -f -Q -z9}"
 521 DIFF="${DIFF:-diff -Nrc3pad}"
 522 ENV="${ENV:-env}"
 523 GZIP="${GZIP:-gzip --best}"
 524 SCP="${SCP:-scp -p}"
 525 SSH="${SSH:-ssh}"
 526 TAR="${TAR:-tar}"
 527
 528 ########################################################################
 529 # Command Line Processing
 530 ########################################################################
 531
 532 # Parse the options.
 533 while getopts "d:fr:u:t:p:s:l" ARG; do
 534     case $ARG in
 535     d)    DESTINATION="${OPTARG}";;
 536     r)    RELEASE="${OPTARG}";;
 537     t)    TAG="${OPTARG}";;
 538     u)    CVS_USERNAME="${OPTARG}";;
 539     f)    FINAL=1;;
 540     s)    SNAPSHOT=1
 541           BRANCH=${OPTARG%:*}
 542           CVSBRANCH=${OPTARG#*:}
 543           ;;
 544     l)    LOCAL=1
 545           SCP=cp
 546           PATH=~:/usr/local/bin:$PATH;;
 547     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 548           if [ ! -f ${OPTARG} ]; then
 549             error "-p argument must name a tarball"
 550           fi;;
 551     \?)   usage;;
 552     esac
 553 done
 554 shift `expr ${OPTIND} - 1`
 555
 556 # Handle the major modes.
 557 while [ $# -ne 0 ]; do
 558     case $1 in
 559     diffs)    MODE_DIFFS=1;;
 560     gzip)     MODE_GZIP=1;;
 561     sources)  MODE_SOURCES=1;;
 562     tarfiles) MODE_TARFILES=1;;
 563     upload)   MODE_UPLOAD=1;;
 564     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
 565               if [ $SNAPSHOT -ne 1 ]; then
 566                 # Only for releases and pre-releases.
 567                 MODE_GZIP=1;
 568               fi
 569               ;;
 570     *)        error "Unknown mode $1";;
 571     esac
 572     shift
 573 done
 574
 575 # Perform consistency checking.
 576 if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
 577   error "No username specified"
 578 fi
 579
 580 if [ ! -d ${DESTINATION} ]; then
 581   error "\`${DESTINATION}' is not a directory"
 582 fi
 583
 584 if [ $SNAPSHOT -eq 0 ]; then
 585   if [ -z ${RELEASE} ]; then
 586     error "No release number specified"
 587   fi
 588
 589   # Compute the major and minor release numbers.
 590   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 591   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 592   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 593
 594   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 595     error "Release number \`${RELEASE}' is invalid"
 596   fi
 597
 598   # Compute the full name of the release.
 599   if [ -z "${RELEASE_REVISION}" ]; then
 600     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 601   else
 602     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 603   fi
 604
 605   # Compute the name of the branch, which is based solely on the major
 606   # and minor release numbers.
 607   CVSBRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
 608
 609   # If this is not a final release, set various parameters acordingly.
 610   if [ ${FINAL} -ne 1 ]; then
 611     RELEASE="${RELEASE}-${DATE}"
 612     FTP_PATH="${FTP_PATH}/prerelease-${RELEASE}/"
 613   else
 614     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 615   fi
 616 else
 617   RELEASE=${BRANCH}-${DATE}
 618   FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
 619   if [ ${CVSBRANCH} != "HEAD" ]; then
 620     TAG=gcc-ss-`echo ${RELEASE} | tr '.' '_'`
 621   fi
 622
 623   # If diffs are requested when building locally on gcc.gnu.org, we (usually)
 624   # know what the last snapshot date was and take the corresponding tarballs,
 625   # unless the user specified tarballs explictly.
 626   if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ] && [ -z "${OLD_TARS}" ]; then
 627     LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
 628     OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
 629   fi
 630 fi
 631
 632 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 633 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 634 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 635
 636 # Recompute the names of all the language-specific directories,
 637 # relative to the WORKING_DIRECTORY.
 638 ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
 639 CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
 640 FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
 641 JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
 642 OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
 643 TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
 644
 645 # Set up CVSROOT.
 646 if [ $LOCAL -eq 0 ]; then
 647     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
 648     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
 649 else
 650     CVSROOT="${CVS_REPOSITORY}"
 651 fi
 652 export CVSROOT
 653
 654 ########################################################################
 655 # Main Program
 656 ########################################################################
 657
 658 # Set the timezone to UTC
 659 TZ="UTC0"
 660 export TZ
 661
 662 # Build the source directory.
 663
 664 if [ $MODE_SOURCES -ne 0 ]; then
 665   build_sources
 666 fi
 667
 668 # Build the tar files.
 669
 670 if [ $MODE_TARFILES -ne 0 ]; then
 671   build_tarfiles
 672 fi
 673
 674 # Build diffs
 675
 676 if [ $MODE_DIFFS -ne 0 ]; then
 677   # Possibly build diffs.
 678   if [ -n "$OLD_TARS" ]; then
 679     for old_tar in $OLD_TARS; do
 680       build_diffs $old_tar
 681     done
 682   fi
 683 fi
 684
 685 # Build gzip files
 686 if [ $MODE_GZIP -ne 0 ]; then
 687   build_gzip
 688 fi
 689
 690 # Upload them to the FTP server.
 691
 692 if [ $MODE_UPLOAD -ne 0 ]; then
 693   upload_files
 694
 695   # For snapshots, make some further updates.
 696   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 697     announce_snapshot
 698
 699     # Update snapshot date file.
 700     changedir ~
 701     echo $DATE > .snapshot_date-${BRANCH}
 702
 703     # Remove working directory
 704     rm -rf ${WORKING_DIRECTORY}
 705   fi
 706 fi