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) 2001-2020 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 3, 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 COPYING3.  If not see
  28 # <https://www.gnu.org/licenses/>.
  29 #
  30 ########################################################################
  31
  32 ########################################################################
  33 # Notes
  34 ########################################################################
  35
  36 # Here is an example usage of this script, to create a GCC 3.0.2
  37 # prerelease:
  38 #
  39 #   gcc_release -r 3.0.2
  40 #
  41 # This script will automatically use the head of the release branch
  42 # to generate the release.
  43
  44 ########################################################################
  45 # Functions
  46 ########################################################################
  47
  48 # Issue the error message given by $@ and exit with a non-zero
  49 # exit code.
  50
  51 error() {
  52     echo "gcc_release: error: $@"
  53     exit 1
  54 }
  55
  56 # Issue the informational message given by $@.
  57
  58 inform() {
  59     echo "gcc_release: $@"
  60 }
  61
  62 # Issue a usage message explaining how to use this script.
  63
  64 usage() {
  65 cat <<EOF
  66 gcc_release -r release [-f] [further options]
  67 gcc_release -s name:gitbranch [further options]
  68
  69 Options:
  70
  71   -r release           Version of the form X.Y or X.Y.Z.
  72   -s name:gitbranch    Create a snapshot, not a real release.
  73
  74   -d destination       Local working directory where we will build the release
  75                        (default=${HOME}).
  76   -f                   Create a final release (and update ChangeLogs,...).
  77   -l                   Indicate that we are running on gcc.gnu.org.
  78   -p previous-tarball  Location of a previous tarball (to generate diff files).
  79   -t tag               Tag to mark the release in git.
  80   -u username          Username for upload operations.
  81   -b local-git-repo    Local git repository to speed up cloning.
  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 # Build the source tree that will be the basis for the release
  94 # in ${WORKING_DIRECTORY}/gcc-${RELEASE}.
  95
  96 build_sources() {
  97   # If the WORKING_DIRECTORY already exists, do not risk destroying it.
  98   if [ -r ${WORKING_DIRECTORY} ]; then
  99     error "\`${WORKING_DIRECTORY}' already exists"
 100   fi
 101   # Create the WORKING_DIRECTORY.
 102   mkdir "${WORKING_DIRECTORY}" \
 103     || error "Could not create \`${WORKING_DIRECTORY}'"
 104   changedir "${WORKING_DIRECTORY}"
 105
 106   # Check out the sources.
 107   if [ -n "${GIT_REFERENCE}" ]; then
 108     ${GIT} clone -q --dissociate --reference "${GIT_REFERENCE}" \
 109                  -b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
 110         error "Could not check out release sources"
 111   else
 112     ${GIT} clone -q -b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
 113         error "Could not check out release sources"
 114   fi
 115
 116   # If this is a final release, make sure that the ChangeLogs
 117   # and version strings are updated.
 118   if [ ${FINAL} -ne 0 ]; then
 119     inform "Updating ChangeLogs and version files"
 120
 121     grep -q "gcc-${RELEASE_MAJOR}/index.html gcc-${RELEASE_MAJOR}/changes.html" \
 122          ${SOURCE_DIRECTORY}/contrib/gennews ||\
 123            error "New release not listed in contrib/gennews"
 124
 125     ${SOURCE_DIRECTORY}/contrib/gennews > NEWS ||\
 126            error "Could not regenerate NEWS files"
 127
 128     grep -q "no releases of GCC ${RELEASE_MAJOR} have yet been made" NEWS &&\
 129            error "gcc-${RELEASE_MAJOR}/index.html has not been updated yet"
 130
 131     grep -q "GCC ${RELEASE_MAJOR} has not been released yet" NEWS &&\
 132            error "gcc-${RELEASE_MAJOR}/changes.html has not been updated yet"
 133
 134     thisindex="http:\/\/gcc.gnu.org\/gcc-${RELEASE_MAJOR}\/index.html"
 135     thischanges="http:\/\/gcc.gnu.org\/gcc-${RELEASE_MAJOR}\/changes.html"
 136     previndex="http:\/\/gcc.gnu.org\/gcc-`expr ${RELEASE_MAJOR} - 1`\/index.html"
 137     sed -n -e "/^${thisindex}/,/^${thischanges}/p" NEWS |\
 138            sed -n -e "/Release History/,/References and Acknowledgments/p" |\
 139            grep -q "^[[:blank:]]*GCC ${RELEASE_MAJOR}.${RELEASE_MINOR}" ||\
 140            error "GCC ${RELEASE_MAJOR}.${RELEASE_MINOR} not mentioned "\
 141                  "in gcc-${RELEASE_MAJOR}/index.html"
 142
 143     sed -n -e "/^${thischanges}/,/^${previndex}/p" NEWS |\
 144            grep -q "^[[:blank:]]*GCC ${RELEASE_MAJOR}.${RELEASE_MINOR}" ||\
 145            error "GCC ${RELEASE_MAJOR}.${RELEASE_MINOR} not mentioned "\
 146                  "in gcc-${RELEASE_MAJOR}/changes.html"
 147
 148     rm -f NEWS
 149
 150     commit_files=""
 151     for x in `changedir ${SOURCE_DIRECTORY} && \
 152               find . -name ChangeLog`; do
 153       # Update this ChangeLog file only if it does not yet contain the
 154       # entry we are going to add.  (This is a safety net for repeated
 155       # runs of this script for the same release.)
 156       if ! grep "GCC ${RELEASE} released." ${SOURCE_DIRECTORY}/${x} > /dev/null ; then
 157         cat - ${SOURCE_DIRECTORY}/${x} > ${SOURCE_DIRECTORY}/${x}.new <<EOF
 158 ${LONG_DATE}  Release Manager
 159
 160         * GCC ${RELEASE} released.
 161
 162 EOF
 163         mv ${SOURCE_DIRECTORY}/${x}.new ${SOURCE_DIRECTORY}/${x} \
 164           || error "Could not update ${x}"
 165         commit_files="${commit_files} ${x}"
 166       fi
 167     done
 168
 169     # Update gcc/DEV-PHASE.
 170
 171     if [ `cat ${SOURCE_DIRECTORY}/gcc/BASE-VER` != ${RELEASE} ]; then
 172       [ ${RELEASE_MAJOR} -lt 5 ] && \
 173         error "Release number ${RELEASE} does not match BASE-VER"
 174       if [ `cat ${SOURCE_DIRECTORY}/gcc/BASE-VER` \
 175            = ${RELEASE_MAJOR}.`expr ${RELEASE_MINOR} - 1`.1 \
 176            -a x${RELEASE_REVISION} = x0 ]; then
 177         (changedir ${SOURCE_DIRECTORY}/gcc && \
 178          echo ${RELEASE} > BASE-VER) || \
 179         error "Could not update BASE-VER"
 180         commit_files="${commit_files} gcc/BASE-VER"
 181       else
 182         error "Release number ${RELEASE} does not immediately follow BASE-VER"
 183       fi
 184     fi
 185     (changedir ${SOURCE_DIRECTORY}/gcc && \
 186      : > DEV-PHASE) || \
 187     error "Could not update DEV-PHASE"
 188     commit_files="${commit_files} gcc/DEV-PHASE"
 189
 190     (changedir ${SOURCE_DIRECTORY} && \
 191      ${GIT} commit -q -m 'Update ChangeLog and version files for release' ${commit_files} && \
 192      ${GIT} push) || \
 193     error "Could not commit ChangeLog and version file updates"
 194
 195     # Make sure we tag the sources for a final release.
 196     TAG="releases/gcc-${RELEASE}"
 197   fi
 198
 199   # Tag the sources.
 200   if [ -n "${TAG}" ]; then
 201     inform "Tagging sources as ${TAG}"
 202     # We don't want to overwrite an existing tag.  So, if the tag
 203     # already exists, issue an error message; the release manager can
 204     # manually remove the tag if appropriate.
 205     if (changedir ${SOURCE_DIRECTORY} && \
 206         ${GIT} rev-parse "refs/tags/${TAG}" > /dev/null 2>&1); then
 207       error "Tag ${TAG} already exists"
 208     fi
 209     (changedir ${SOURCE_DIRECTORY} && \
 210      ${GIT} tag -s -m "GCC ${RELEASE} release" "${TAG}" && \
 211      ${GIT} push origin tag "${TAG}") || \
 212       error "Could not tag sources"
 213     GITBRANCH=${TAG}
 214   fi
 215
 216   GITREV=`cd ${SOURCE_DIRECTORY} && ${GIT} rev-parse HEAD`
 217   inform "Sources are commit ${GITREV}"
 218
 219   # Make sure there are no uncommitted changes in the sources.
 220   status=${WORKING_DIRECTORY}/gitstatus.$$
 221   (changedir ${SOURCE_DIRECTORY} && \
 222    ${GIT} status --porcelain --ignored > "$status") || \
 223     error "Could not get source directory status"
 224   if [ -s "$status" ]; then
 225     cat "$status"
 226     error "Source directory has unexpected changes"
 227   fi
 228   rm "$status"
 229
 230   # Remove .git from the sources.
 231   rm -rf "${SOURCE_DIRECTORY}/.git" || \
 232     error "Could not remove .git from sources"
 233
 234   # Run gcc_update on them to set up the timestamps nicely, and (re)write
 235   # the LAST_UPDATED file containing the git tag/revision used.
 236   changedir "gcc-${RELEASE}"
 237   contrib/gcc_update --touch
 238   echo "Obtained from git: ${GITBRANCH} revision ${GITREV}" > LAST_UPDATED
 239
 240   # For a prerelease or real release, we need to generate additional
 241   # files not present in git.
 242   changedir "${SOURCE_DIRECTORY}"
 243   if [ $SNAPSHOT -ne 1 ]; then
 244     # Generate the documentation.
 245     inform "Building install docs"
 246     SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
 247     DESTDIR=${SOURCE_DIRECTORY}/INSTALL
 248     export SOURCEDIR
 249     export DESTDIR
 250     ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
 251
 252     # Regenerate the NEWS file.
 253     contrib/gennews > NEWS || \
 254       error "Could not regenerate NEWS files"
 255
 256     # Now, we must build the compiler in order to create any generated
 257     # files that are supposed to go in the source directory.  This is
 258     # also a good sanity check to make sure that the release builds
 259     # on at least one platform.
 260     inform "Building compiler"
 261     OBJECT_DIRECTORY=../objdir
 262     num_cpus=1
 263     if type -p getconf 2>/dev/null; then
 264       num_cpus=`getconf _NPROCESSORS_ONLN 2>/dev/null`
 265       case "$num_cpus" in
 266         '' | 0* | *[!0-9]*) num_cpus=1;;
 267       esac
 268     fi
 269     contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} \
 270       -c "--enable-generated-files-in-srcdir --disable-multilib" \
 271       -m "-j$num_cpus" build || \
 272       error "Could not rebuild GCC"
 273   fi
 274
 275   # Move message catalogs to source directory.
 276   mv ../objdir/gcc/po/*.gmo gcc/po/
 277   [ -f libcpp/po/cpplib.pot ] && mv ../objdir/libcpp/po/*.gmo libcpp/po/
 278
 279   # Create a "MD5SUMS" file to use for checking the validity of the release.
 280   echo \
 281 "# This file contains the MD5 checksums of the files in the
 282 # gcc-"${RELEASE}".tar.xz tarball.
 283 #
 284 # Besides verifying that all files in the tarball were correctly expanded,
 285 # it also can be used to determine if any files have changed since the
 286 # tarball was expanded or to verify that a patchfile was correctly applied.
 287 #
 288 # Suggested usage:
 289 # md5sum -c MD5SUMS | grep -v \"OK$\"
 290 #" > MD5SUMS
 291
 292   find . -type f |
 293   sed -e 's:^\./::' -e '/MD5SUMS/d' |
 294   sort |
 295   xargs md5sum >>MD5SUMS
 296 }
 297
 298 # Build a single tarfile.  The first argument is the name of the tarfile
 299 # to build, without any suffixes.  They will be added automatically.  The
 300 # rest of the arguments are files or directories to include, and possibly
 301 # other arguments to tar.
 302
 303 build_tarfile() {
 304   # Get the name of the destination tar file.
 305   TARFILE="$1.tar.xz"
 306   shift
 307
 308   # Build the tar file itself.
 309   (${TAR} cf - "$@" | ${XZ} > ${TARFILE}) || \
 310     error "Could not build tarfile"
 311   FILE_LIST="${FILE_LIST} ${TARFILE}"
 312 }
 313
 314 # Build the various tar files for the release.
 315
 316 build_tarfiles() {
 317   inform "Building tarfiles"
 318
 319   changedir "${WORKING_DIRECTORY}"
 320
 321   # The GNU Coding Standards specify that all files should
 322   # world readable.
 323   chmod -R a+r ${SOURCE_DIRECTORY}
 324   # And that all directories have mode 755.
 325   find ${SOURCE_DIRECTORY} -type d -exec chmod 755 {} \;
 326
 327   # Build one huge tarfile for the entire distribution.
 328   build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
 329 }
 330
 331 # Build .gz files.
 332 build_gzip() {
 333   for f in ${FILE_LIST}; do
 334     target=${f%.xz}.gz
 335     (${XZ} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
 336   done
 337 }
 338
 339 # Build diffs against an old release.
 340 build_diffs() {
 341   old_dir=${1%/*}
 342   old_file=${1##*/}
 343   case "$old_file" in
 344     *.tar.xz) old_vers=${old_file%.tar.xz};;
 345     *) old_vers=${old_file%.tar.bz2};;
 346   esac
 347   old_vers=${old_vers#gcc-}
 348   inform "Building diffs against version $old_vers"
 349   for f in gcc; do
 350     if [ -e ${old_dir}/${f}-${old_vers}.tar.xz ]; then
 351       old_tar=${old_dir}/${f}-${old_vers}.tar.xz
 352     else
 353       old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
 354     fi
 355     new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.xz
 356     if [ ! -e $old_tar ]; then
 357       inform "$old_tar not found; not generating diff file"
 358     elif [ ! -e $new_tar ]; then
 359       inform "$new_tar not found; not generating diff file"
 360     else
 361       build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
 362         ${f}-${old_vers}-${RELEASE}.diff.xz
 363     fi
 364   done
 365 }
 366
 367 # Build an individual diff.
 368 build_diff() {
 369   changedir "${WORKING_DIRECTORY}"
 370   tmpdir=gccdiff.$$
 371   mkdir $tmpdir || error "Could not create directory $tmpdir"
 372   changedir $tmpdir
 373   case "$1" in
 374     *.tar.bz2)
 375       (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
 376       ;;
 377     *.tar.xz)
 378       (${XZ} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
 379       ;;
 380   esac
 381   (${XZ} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
 382   ${DIFF} $2 $4 > ../${5%.xz}
 383   if [ $? -eq 2 ]; then
 384     error "Trouble making diffs from $1 to $3"
 385   fi
 386   ${XZ} ../${5%.xz} || error "Could not generate ../$5"
 387   changedir ..
 388   rm -rf $tmpdir
 389   FILE_LIST="${FILE_LIST} $5"
 390 }
 391
 392 # Upload the files to the FTP server.
 393 upload_files() {
 394   inform "Uploading files"
 395
 396   changedir "${WORKING_DIRECTORY}"
 397
 398   # Make sure the directory exists on the server.
 399   if [ $LOCAL -eq 0 ]; then
 400     ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
 401       mkdir -m 755 -p "${FTP_PATH}/diffs"
 402     UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
 403   else
 404     mkdir -p "${FTP_PATH}/diffs" \
 405       || error "Could not create \`${FTP_PATH}'"
 406     UPLOAD_PATH=${FTP_PATH}
 407   fi
 408
 409   # Then copy files to their respective (sub)directories.
 410   for x in gcc*.gz gcc*.xz; do
 411     if [ -e ${x} ]; then
 412       # Make sure the file will be readable on the server.
 413       chmod a+r ${x}
 414       # Copy it.
 415       case ${x} in
 416         *.diff.*)
 417           SUBDIR="diffs/";
 418           ;;
 419         *)
 420           SUBDIR="";
 421       esac
 422       ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
 423         || error "Could not upload ${x}"
 424     fi
 425   done
 426 }
 427
 428 # Print description if snapshot exists.
 429 snapshot_print() {
 430   if [ -e ${RELEASE}/$1 ]; then
 431     hash=`openssl  sha256  ${RELEASE}/$1 | sed -e 's#(.*)##' -e 's# *= *#=#'`
 432     hash2=`openssl sha1 ${RELEASE}/$1 | sed -e 's#(.*)##' -e 's# *= *#=#'`
 433
 434     printf " %-37s%s\n\n  %s\n  %s\n\n" "$1" "$2" "$hash" "$hash2" \
 435       >> ${SNAPSHOT_README}
 436
 437      echo "  <tr><td><a href=\"$1\">$1</a></td>" >> ${SNAPSHOT_INDEX}
 438      echo "      <td>$2</td></tr>" >> ${SNAPSHOT_INDEX}
 439   fi
 440 }
 441
 442 # Announce a snapshot, both on the web and via mail.
 443 announce_snapshot() {
 444   inform "Updating links and READMEs on the FTP server"
 445
 446   TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
 447   SNAPSHOT_README=${RELEASE}/README
 448   SNAPSHOT_INDEX=${RELEASE}/index.html
 449
 450   changedir "${SNAPSHOTS_DIR}"
 451   echo \
 452 "Snapshot gcc-"${RELEASE}" is now available on
 453   https://gcc.gnu.org/pub/gcc/snapshots/"${RELEASE}"/
 454 and on various mirrors, see https://gcc.gnu.org/mirrors.html for details.
 455
 456 This snapshot has been generated from the GCC "${BRANCH}" git branch
 457 with the following options: "git://gcc.gnu.org/git/gcc.git branch ${GITBRANCH} revision ${GITREV}"
 458
 459 You'll find:
 460 " > ${SNAPSHOT_README}
 461
 462   echo \
 463 "<html>
 464
 465 <head>
 466 <title>GCC "${RELEASE}" Snapshot</title>
 467 </head>
 468
 469 <body>
 470 <h1>GCC "${RELEASE}" Snapshot</h1>
 471
 472 <p>The <a href =\"https://gcc.gnu.org/\">GCC Project</a> makes
 473 periodic snapshots of the GCC source tree available to the public
 474 for testing purposes.</p>
 475
 476 <p>If you are planning to download and use one of our snapshots, then
 477 we highly recommend you join the GCC developers list.  Details for
 478 how to sign up can be found on the GCC project home page.</p>
 479
 480 <p>This snapshot has been generated from the GCC "${BRANCH}" git branch
 481 with the following options: <code>"git://gcc.gnu.org/git/gcc.git branch ${GITBRANCH} revision ${GITREV}"</code></p>
 482
 483 <table>" > ${SNAPSHOT_INDEX}
 484
 485   snapshot_print gcc-${RELEASE}.tar.xz "Complete GCC"
 486
 487   echo \
 488 "Diffs from "${BRANCH}"-"${LAST_DATE}" are available in the diffs/ subdirectory.
 489
 490 When a particular snapshot is ready for public consumption the LATEST-"${BRANCH}"
 491 link is updated and a message is sent to the gcc list.  Please do not use
 492 a snapshot before it has been announced that way." >> ${SNAPSHOT_README}
 493
 494   echo \
 495 "</table>
 496 <p>Diffs from "${BRANCH}"-"${LAST_DATE}" are available in the
 497 <a href=\"diffs/\">diffs/ subdirectory</a>.</p>
 498
 499 <p>When a particular snapshot is ready for public consumption the LATEST-"${BRANCH}"
 500 link is updated and a message is sent to the gcc list.  Please do not use
 501 a snapshot before it has been announced that way.</p>
 502
 503 <hr />
 504
 505 <address>
 506 <a href=\"mailto:gcc@gcc.gnu.org\">gcc@gcc.gnu.org</a>
 507 <br />
 508 Last modified "${TEXT_DATE}"
 509 </address>
 510 </body>
 511
 512 </html>" >> ${SNAPSHOT_INDEX}
 513
 514   rm -f LATEST-${BRANCH}
 515   ln -s ${RELEASE} LATEST-${BRANCH}
 516
 517   inform "Sending mail"
 518
 519   export QMAILHOST=gcc.gnu.org
 520   mail -s "gcc-${RELEASE} is now available" gcc@gcc.gnu.org < ${SNAPSHOT_README}
 521 }
 522
 523 ########################################################################
 524 # Initialization
 525 ########################################################################
 526
 527 LC_ALL=C
 528 export LC_ALL
 529
 530 # Today's date.
 531 DATE=`date "+%Y%m%d"`
 532 LONG_DATE=`date "+%Y-%m-%d"`
 533
 534 GIT=${GIT:-git}
 535 # The server containing the GCC repository.
 536 GIT_SERVER="gcc.gnu.org"
 537 # The path to the repository on that server.
 538 GIT_REPOSITORY="/git/gcc.git"
 539 # The username to use when connecting to the server.
 540 GIT_USERNAME="${USER}"
 541
 542 # The machine to which files will be uploaded.
 543 GCC_HOSTNAME="gcc.gnu.org"
 544 # The name of the account on the machine to which files are uploaded.
 545 GCC_USERNAME="gccadmin"
 546 # The directory in which the files will be placed (do not use ~user syntax).
 547 FTP_PATH=/var/ftp/pub/gcc
 548 # The directory in which snapshots will be placed.
 549 SNAPSHOTS_DIR=${FTP_PATH}/snapshots
 550
 551 # The major number for the release.  For release `3.0.2' this would be
 552 # `3'
 553 RELEASE_MAJOR=""
 554 # The minor number for the release.  For release `3.0.2' this would be
 555 # `0'.
 556 RELEASE_MINOR=""
 557 # The revision number for the release.  For release `3.0.2' this would
 558 # be `2'.
 559 RELEASE_REVISION=""
 560 # The complete name of the release.
 561 RELEASE=""
 562
 563 # The name of the branch from which the release should be made, in a
 564 # user-friendly form.
 565 BRANCH=""
 566
 567 # The name of the branch from which the release should be made, as used
 568 # for our version control system.
 569 GITBRANCH=""
 570
 571 # The tag to apply to the sources used for the release.
 572 TAG=""
 573
 574 # The old tarballs from which to generate diffs.
 575 OLD_TARS=""
 576
 577 # Local gcc git checkout to speed up git cloning.
 578 GIT_REFERENCE=""
 579
 580 # The directory that will be used to construct the release.  The
 581 # release itself will be placed in a subdirectory of this directory.
 582 DESTINATION=${HOME}
 583 # The subdirectory.
 584 WORKING_DIRECTORY=""
 585 # The directory that will contain the GCC sources.
 586 SOURCE_DIRECTORY=""
 587
 588 # Non-zero if this is the final release, rather than a prerelease.
 589 FINAL=0
 590
 591 # Non-zero if we are building a snapshot, and don't build gcc or
 592 # include generated files.
 593 SNAPSHOT=0
 594
 595 # Non-zero if we are running locally on gcc.gnu.org, and use local CVS
 596 # and copy directly to the FTP directory.
 597 LOCAL=0
 598
 599 # Major operation modes.
 600 MODE_GZIP=0
 601 MODE_DIFFS=0
 602 MODE_SOURCES=0
 603 MODE_TARFILES=0
 604 MODE_UPLOAD=0
 605
 606 # List of archive files generated; used to create .gz files from .xz.
 607 FILE_LIST=""
 608
 609 # Programs we use.
 610
 611 BZIP2="${BZIP2:-bzip2}"
 612 XZ="${XZ:-xz -T0 --best}"
 613 CVS="${CVS:-cvs -f -Q -z9}"
 614 DIFF="${DIFF:-diff -Nrcpad}"
 615 ENV="${ENV:-env}"
 616 GZIP="${GZIP:-gzip --best}"
 617 SCP="${SCP:-scp -p}"
 618 SSH="${SSH:-ssh}"
 619 TAR="${TAR:-tar}"
 620
 621 ########################################################################
 622 # Command Line Processing
 623 ########################################################################
 624
 625 # Parse the options.
 626 while getopts "d:fr:u:t:p:s:lb:" ARG; do
 627     case $ARG in
 628     d)    DESTINATION="${OPTARG}";;
 629     r)    RELEASE="${OPTARG}";;
 630     t)    TAG="${OPTARG}";;
 631     u)    GIT_USERNAME="${OPTARG}";;
 632     f)    FINAL=1;;
 633     s)    SNAPSHOT=1
 634           BRANCH=${OPTARG%:*}
 635           GITBRANCH=${OPTARG#*:}
 636           ;;
 637     l)    LOCAL=1
 638           SCP=cp
 639           PATH=~:/usr/local/bin:$PATH;;
 640     p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
 641           if [ ! -f ${OPTARG} ]; then
 642             error "-p argument must name a tarball"
 643           fi;;
 644     b)    GIT_REFERENCE="${OPTARG}";;
 645     \?)   usage;;
 646     esac
 647 done
 648 shift `expr ${OPTIND} - 1`
 649
 650 # Handle the major modes.
 651 while [ $# -ne 0 ]; do
 652     case $1 in
 653     diffs)    MODE_DIFFS=1;;
 654     gzip)     MODE_GZIP=1;;
 655     sources)  MODE_SOURCES=1;;
 656     tarfiles) MODE_TARFILES=1;;
 657     upload)   MODE_UPLOAD=1;;
 658     all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
 659               if [ $SNAPSHOT -ne 1 ]; then
 660                 # Only for releases and pre-releases.
 661                 MODE_GZIP=1;
 662               fi
 663               ;;
 664     *)        error "Unknown mode $1";;
 665     esac
 666     shift
 667 done
 668
 669 # Perform consistency checking.
 670 if [ ${LOCAL} -eq 0 ] && [ -z ${GIT_USERNAME} ]; then
 671   error "No username specified"
 672 fi
 673
 674 if [ ! -d ${DESTINATION} ]; then
 675   error "\`${DESTINATION}' is not a directory"
 676 fi
 677
 678 if [ $SNAPSHOT -eq 0 ]; then
 679   if [ -z ${RELEASE} ]; then
 680     error "No release number specified"
 681   fi
 682
 683   # Compute the major and minor release numbers.
 684   RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
 685   RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
 686   RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
 687
 688   if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
 689     error "Release number \`${RELEASE}' is invalid"
 690   fi
 691
 692   # Compute the full name of the release.
 693   if [ -z "${RELEASE_REVISION}" ]; then
 694     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
 695   else
 696     RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
 697   fi
 698
 699   # Compute the name of the branch, which is based solely on the major
 700   # release number.
 701   GITBRANCH="releases/gcc-${RELEASE_MAJOR}"
 702
 703   # If this is not a final release, set various parameters accordingly.
 704   if [ ${FINAL} -ne 1 ]; then
 705     RELEASE="${RELEASE}-RC-${DATE}"
 706     FTP_PATH="${SNAPSHOTS_DIR}/${RELEASE}"
 707   else
 708     FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
 709   fi
 710 else
 711   RELEASE=${BRANCH}-${DATE}
 712   FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
 713
 714   # If diffs are requested when building locally on gcc.gnu.org, we (usually)
 715   # know what the last snapshot date was and take the corresponding tarballs,
 716   # unless the user specified tarballs explicitly.
 717   if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ] && [ -z "${OLD_TARS}" ]; then
 718     LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
 719     OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
 720     if [ ! -e $OLD_TARS ]; then
 721       OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.xz
 722     fi
 723   fi
 724 fi
 725
 726 # Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
 727 WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
 728 SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
 729
 730 # Set up GITROOT.
 731 if [ $LOCAL -eq 0 ]; then
 732     GITROOT="git+ssh://${GIT_USERNAME}@${GIT_SERVER}${GIT_REPOSITORY}"
 733 else
 734     GITROOT="/git/gcc.git"
 735 fi
 736 export GITROOT
 737
 738 ########################################################################
 739 # Main Program
 740 ########################################################################
 741
 742 # Set the timezone to UTC
 743 TZ="UTC0"
 744 export TZ
 745
 746 # Build the source directory.
 747
 748 if [ $MODE_SOURCES -ne 0 ]; then
 749   build_sources
 750 fi
 751
 752 # Build the tar files.
 753
 754 if [ $MODE_TARFILES -ne 0 ]; then
 755   build_tarfiles
 756 fi
 757
 758 # Build diffs
 759
 760 if [ $MODE_DIFFS -ne 0 ]; then
 761   # Possibly build diffs.
 762   if [ -n "$OLD_TARS" ]; then
 763     for old_tar in $OLD_TARS; do
 764       build_diffs $old_tar
 765     done
 766   fi
 767 fi
 768
 769 # Build gzip files
 770 if [ $MODE_GZIP -ne 0 ]; then
 771   build_gzip
 772 fi
 773
 774 # Upload them to the FTP server.
 775 if [ $MODE_UPLOAD -ne 0 ]; then
 776   upload_files
 777
 778   # For snapshots, make some further updates.
 779   if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
 780     announce_snapshot
 781
 782     # Update snapshot date file.
 783     changedir ~
 784     echo $DATE > .snapshot_date-${BRANCH}
 785
 786     # Remove working directory
 787     rm -rf ${WORKING_DIRECTORY}
 788   fi
 789 fi