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