xref: /netbsd-src/external/gpl3/gcc/dist/maintainer-scripts/gcc_release (revision 4fee23f98c45552038ad6b5bd05124a41302fb01)
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, 2006, 2009, 2010 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# <http://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 $1 and exit with a non-zero
49# exit code.
50
51error() {
52    echo "gcc_release: error: $1"
53    exit 1
54}
55
56# Issue the informational message given by $1.
57
58inform() {
59    echo "gcc_release: $1"
60}
61
62# Issue a usage message explaining how to use this script.
63
64usage() {
65cat <<EOF
66gcc_release -r release [-f] [further options]
67gcc_release -s name:svnbranch [further options]
68
69Options:
70
71  -r release           Version of the form X.Y or X.Y.Z.
72  -s name:svnbranch    Create a snapshot, not a real release.
73
74  -d destination       Local working directory where we will build the release
75                       (default=${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 SVN.
80  -u username          Username for upload operations.
81EOF
82    exit 1
83}
84
85# Change to the directory given by $1.
86
87changedir() {
88  cd $1 || \
89    error "Could not change directory to $1"
90}
91
92# Each of the arguments is a directory name, relative to the top
93# of the source tree.  Return another name for that directory, relative
94# to the working directory.
95
96adjust_dirs() {
97  for x in $@; do
98    echo `basename ${SOURCE_DIRECTORY}`/$x
99  done
100}
101
102# Build the source tree that will be the basis for the release
103# in ${WORKING_DIRECTORY}/gcc-${RELEASE}.
104
105build_sources() {
106  # If the WORKING_DIRECTORY already exists, do not risk destroying it.
107  if [ -r ${WORKING_DIRECTORY} ]; then
108    error "\`${WORKING_DIRECTORY}' already exists"
109  fi
110  # Create the WORKING_DIRECTORY.
111  mkdir "${WORKING_DIRECTORY}" \
112    || error "Could not create \`${WORKING_DIRECTORY}'"
113  changedir "${WORKING_DIRECTORY}"
114
115  # If this is a final release, make sure that the ChangeLogs
116  # and version strings are updated.
117  if [ ${FINAL} -ne 0 ]; then
118    inform "Updating ChangeLogs and version files"
119
120    ${SVN} -q co "${SVNROOT}/${SVNBRANCH}" "`basename ${SOURCE_DIRECTORY}`" ||\
121           error "Could not check out release sources"
122    for x in `find ${SOURCE_DIRECTORY} -name ChangeLog`; do
123      # Update this ChangeLog file only if it does not yet contain the
124      # entry we are going to add.  (This is a safety net for repeated
125      # runs of this script for the same release.)
126      if ! grep "GCC ${RELEASE} released." ${x} > /dev/null ; then
127        cat - ${x} > ${x}.new <<EOF
128${LONG_DATE}  Release Manager
129
130	* GCC ${RELEASE} released.
131
132EOF
133        mv ${x}.new ${x} || \
134            error "Could not update ${x}"
135        (changedir `dirname ${x}` && \
136            ${SVN} -q ci -m 'Mark ChangeLog' `basename ${x}`) || \
137            error "Could not commit ${x}"
138      fi
139    done
140
141    # Update gcc/DEV-PHASE.
142
143    [ `cat ${SOURCE_DIRECTORY}/gcc/BASE-VER` = ${RELEASE} ] || \
144    error "Release number ${RELEASE} does not match BASE-VER"
145    (changedir ${SOURCE_DIRECTORY}/gcc && \
146     : > DEV-PHASE && \
147     ${SVN} -q ci -m 'Mark as release' DEV-PHASE) || \
148    error "Could not update DEV-PHASE"
149
150    # Make sure we tag the sources for a final release.
151    TAG="tags/gcc_`echo ${RELEASE} | tr . _`_release"
152
153    rm -rf ${SOURCE_DIRECTORY}
154  fi
155
156  # Tag the sources.
157  if [ -n "${TAG}" ]; then
158    inform "Tagging sources as ${TAG}"
159    # We don't want to overwrite an existing tag.  So, if the tag
160    # already exists, issue an error message; the release manager can
161    # manually remove the tag if appropriate.
162    echo "${SVN} ls ${SVNROOT}/${TAG}/ChangeLog"
163    if ${SVN} ls "${SVNROOT}/${TAG}/ChangeLog"; then
164      error "Tag ${TAG} already exists"
165    fi
166    ${SVN} -m "Tagging source as ${TAG}" cp "${SVNROOT}/${SVNBRANCH}" "${SVNROOT}/${TAG}" || \
167      error "Could not tag sources"
168    SVNBRANCH=${TAG}
169  fi
170  SVNREV=`${SVN} info "${SVNROOT}/${SVNBRANCH}"|awk '/Revision:/ {print $2}'`
171
172  # Export the current sources.
173  inform "Retrieving sources (svn export -r ${SVNREV} ${SVNROOT}/${SVNBRANCH})"
174
175  ${SVN} -q export -r${SVNREV} "${SVNROOT}/${SVNBRANCH}" "`basename ${SOURCE_DIRECTORY}`" ||\
176    error "Could not retrieve sources"
177
178  # Run gcc_update on them to set up the timestamps nicely, and (re)write
179  # the LAST_UPDATED file containing the SVN tag/revision used.
180  changedir "gcc-${RELEASE}"
181  contrib/gcc_update --touch
182  echo "Obtained from SVN: ${SVNBRANCH} revision ${SVNREV}" > LAST_UPDATED
183
184  # For a prerelease or real release, we need to generate additional
185  # files not present in SVN.
186  changedir "${SOURCE_DIRECTORY}"
187  if [ $SNAPSHOT -ne 1 ]; then
188    # Generate the documentation.
189    inform "Building install docs"
190    SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
191    DESTDIR=${SOURCE_DIRECTORY}/INSTALL
192    export SOURCEDIR
193    export DESTDIR
194    ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html
195
196    # Regenerate the NEWS file.
197    contrib/gennews > NEWS || \
198      error "Could not regenerate NEWS files"
199
200    # Now, we must build the compiler in order to create any generated
201    # files that are supposed to go in the source directory.  This is
202    # also a good sanity check to make sure that the release builds
203    # on at least one platform.
204    inform "Building compiler"
205    OBJECT_DIRECTORY=../objdir
206    contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} \
207      -c "--enable-generated-files-in-srcdir --disable-multilib" build || \
208      error "Could not rebuild GCC"
209  fi
210
211  # Move message catalogs to source directory.
212  mv ../objdir/gcc/po/*.gmo gcc/po/
213  [ -f libcpp/po/cpplib.pot ] && mv ../objdir/libcpp/po/*.gmo libcpp/po/
214
215  # Create a "MD5SUMS" file to use for checking the validity of the release.
216  echo \
217"# This file contains the MD5 checksums of the files in the
218# gcc-"${RELEASE}".tar.bz2 tarball.
219#
220# Besides verifying that all files in the tarball were correctly expanded,
221# it also can be used to determine if any files have changed since the
222# tarball was expanded or to verify that a patchfile was correctly applied.
223#
224# Suggested usage:
225# md5sum -c MD5SUMS | grep -v \"OK$\"
226" > MD5SUMS
227
228  find . -type f |
229  sed -e 's:^\./::' -e '/MD5SUMS/d' |
230  sort |
231  xargs md5sum >>MD5SUMS
232}
233
234# Build a single tarfile.  The first argument is the name of the tarfile
235# to build, without any suffixes.  They will be added automatically.  The
236# rest of the arguments are files or directories to include, and possibly
237# other arguments to tar.
238
239build_tarfile() {
240  # Get the name of the destination tar file.
241  TARFILE="$1.tar.bz2"
242  shift
243
244  # Build the tar file itself.
245  (${TAR} cf - "$@" | ${BZIP2} > ${TARFILE}) || \
246    error "Could not build tarfile"
247  FILE_LIST="${FILE_LIST} ${TARFILE}"
248}
249
250# Build a single tarfile if any of the directories listed exist,
251# but not if none of them do (because that component doesn't exist
252# on this branch).
253maybe_build_tarfile() {
254  dest=$1
255  shift
256  dir_exists=0
257  for maybe_dir in "$@"; do
258    if [ -d "$maybe_dir" ]; then
259      dir_exists=1
260    fi
261  done
262  if [ $dir_exists = 1 ]; then
263    build_tarfile "$dest" "$@"
264  else
265    echo "Not building $dest tarfile"
266  fi
267}
268
269# Build the various tar files for the release.
270
271build_tarfiles() {
272  inform "Building tarfiles"
273
274  changedir "${WORKING_DIRECTORY}"
275
276  # The GNU Coding Standards specify that all files should
277  # world readable.
278  chmod -R a+r ${SOURCE_DIRECTORY}
279  # And that all directories have mode 755.
280  find ${SOURCE_DIRECTORY} -type d -exec chmod 755 {} \;
281
282  # Build one huge tarfile for the entire distribution.
283  build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`
284
285  # Now, build one for each of the languages.
286  maybe_build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
287  maybe_build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
288  maybe_build_tarfile gcc-fortran-${RELEASE} ${FORTRAN95_DIRS}
289  maybe_build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
290  maybe_build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
291  maybe_build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
292
293  # The core is everything else.
294  EXCLUDES=""
295  for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN95_DIRS}\
296	   ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
297    EXCLUDES="${EXCLUDES} --exclude $x"
298  done
299  build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
300    `basename ${SOURCE_DIRECTORY}`
301}
302
303# Build .gz files.
304build_gzip() {
305  for f in ${FILE_LIST}; do
306    target=${f%.bz2}.gz
307    (${BZIP2} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
308  done
309}
310
311# Build diffs against an old release.
312build_diffs() {
313  old_dir=${1%/*}
314  old_file=${1##*/}
315  old_vers=${old_file%.tar.bz2}
316  old_vers=${old_vers#gcc-}
317  inform "Building diffs against version $old_vers"
318  for f in gcc gcc-ada gcc-g++ gcc-fortran gcc-java gcc-objc gcc-testsuite gcc-core; do
319    old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
320    new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.bz2
321    if [ ! -e $old_tar ]; then
322      inform "$old_tar not found; not generating diff file"
323    elif [ ! -e $new_tar ]; then
324      inform "$new_tar not found; not generating diff file"
325    else
326      build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
327        ${f}-${old_vers}-${RELEASE}.diff.bz2
328    fi
329  done
330}
331
332# Build an individual diff.
333build_diff() {
334  changedir "${WORKING_DIRECTORY}"
335  tmpdir=gccdiff.$$
336  mkdir $tmpdir || error "Could not create directory $tmpdir"
337  changedir $tmpdir
338  (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
339  (${BZIP2} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
340  ${DIFF} $2 $4 > ../${5%.bz2}
341  if [ $? -eq 2 ]; then
342    error "Trouble making diffs from $1 to $3"
343  fi
344  ${BZIP2} ../${5%.bz2} || error "Could not generate ../$5"
345  changedir ..
346  rm -rf $tmpdir
347  FILE_LIST="${FILE_LIST} $5"
348}
349
350# Upload the files to the FTP server.
351upload_files() {
352  inform "Uploading files"
353
354  changedir "${WORKING_DIRECTORY}"
355
356  # Make sure the directory exists on the server.
357  if [ $LOCAL -eq 0 ]; then
358    ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
359      mkdir -p "${FTP_PATH}/diffs"
360    UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
361  else
362    mkdir -p "${FTP_PATH}/diffs" \
363      || error "Could not create \`${FTP_PATH}'"
364    UPLOAD_PATH=${FTP_PATH}
365  fi
366
367  # Then copy files to their respective (sub)directories.
368  for x in gcc*.gz gcc*.bz2; do
369    if [ -e ${x} ]; then
370      # Make sure the file will be readable on the server.
371      chmod a+r ${x}
372      # Copy it.
373      case ${x} in
374        *.diff.*)
375          SUBDIR="diffs/";
376          ;;
377        *)
378          SUBDIR="";
379      esac
380      ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
381        || error "Could not upload ${x}"
382    fi
383  done
384}
385
386# Print description if snapshot exists.
387snapshot_print() {
388  if [ -e ${RELEASE}/$1 ]; then
389     printf "%-38s%s\n\n" "$1" "$2" >> ${SNAPSHOT_README}
390     echo "  <tr><td><a href=\"$1\">$1</a></td>" >> ${SNAPSHOT_INDEX}
391     echo "      <td>$2</td></tr>" >> ${SNAPSHOT_INDEX}
392  fi
393}
394
395# Announce a snapshot, both on the web and via mail.
396announce_snapshot() {
397  inform "Updating links and READMEs on the FTP server"
398
399  TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
400  SNAPSHOT_README=${RELEASE}/README
401  SNAPSHOT_INDEX=${RELEASE}/index.html
402
403  changedir "${SNAPSHOTS_DIR}"
404  echo \
405"Snapshot gcc-"${RELEASE}" is now available on
406  ftp://gcc.gnu.org/pub/gcc/snapshots/"${RELEASE}"/
407and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
408
409This snapshot has been generated from the GCC "${BRANCH}" SVN branch
410with the following options: "svn://gcc.gnu.org/svn/gcc/${SVNBRANCH} revision ${SVNREV}"
411
412You'll find:
413" > ${SNAPSHOT_README}
414
415  echo \
416"<html>
417
418<head>
419<title>GCC "${RELEASE}" Snapshot</title>
420</head>
421
422<body>
423<h1>GCC "${RELEASE}" Snapshot</h1>
424
425<p>The <a href =\"http://gcc.gnu.org/\">GCC Project</a> makes
426periodic snapshots of the GCC source tree available to the public
427for testing purposes.</p>
428
429<p>If you are planning to download and use one of our snapshots, then
430we highly recommend you join the GCC developers list.  Details for
431how to sign up can be found on the GCC project home page.</p>
432
433<p>This snapshot has been generated from the GCC "${BRANCH}" SVN branch
434with the following options: <code>"svn://gcc.gnu.org/svn/gcc/${SVNBRANCH} revision ${SVNREV}"</code></p>
435
436<table>" > ${SNAPSHOT_INDEX}
437
438  snapshot_print gcc-${RELEASE}.tar.bz2 "Complete GCC (includes all of below)"
439  snapshot_print gcc-core-${RELEASE}.tar.bz2 "C front end and core compiler"
440  snapshot_print gcc-ada-${RELEASE}.tar.bz2 "Ada front end and runtime"
441  snapshot_print gcc-fortran-${RELEASE}.tar.bz2 "Fortran front end and runtime"
442  snapshot_print gcc-g++-${RELEASE}.tar.bz2 "C++ front end and runtime"
443  snapshot_print gcc-java-${RELEASE}.tar.bz2 "Java front end and runtime"
444  snapshot_print gcc-objc-${RELEASE}.tar.bz2 "Objective-C front end and runtime"
445  snapshot_print gcc-testsuite-${RELEASE}.tar.bz2 "The GCC testsuite"
446
447  echo \
448"Diffs from "${BRANCH}"-"${LAST_DATE}" are available in the diffs/ subdirectory.
449
450When a particular snapshot is ready for public consumption the LATEST-"${BRANCH}"
451link is updated and a message is sent to the gcc list.  Please do not use
452a snapshot before it has been announced that way." >> ${SNAPSHOT_README}
453
454  echo \
455"</table>
456<p>Diffs from "${BRANCH}"-"${LAST_DATE}" are available in the
457<a href=\"diffs/\">diffs/ subdirectory</a>.</p>
458
459<p>When a particular snapshot is ready for public consumption the LATEST-"${BRANCH}"
460link is updated and a message is sent to the gcc list.  Please do not use
461a snapshot before it has been announced that way.</p>
462
463<hr />
464
465<address>
466<a href=\"mailto:gcc@gcc.gnu.org\">gcc@gcc.gnu.org</a>
467<br />
468Last modified "${TEXT_DATE}"
469</address>
470</body>
471
472</html>" >> ${SNAPSHOT_INDEX}
473
474  rm -f LATEST-${BRANCH}
475  ln -s ${RELEASE} LATEST-${BRANCH}
476
477  inform "Sending mail"
478
479  export QMAILHOST=gcc.gnu.org
480  mail -s "gcc-${RELEASE} is now available" gcc@gcc.gnu.org < ${SNAPSHOT_README}
481}
482
483########################################################################
484# Initialization
485########################################################################
486
487LC_ALL=C
488export LC_ALL
489
490# Today's date.
491DATE=`date "+%Y%m%d"`
492LONG_DATE=`date "+%Y-%m-%d"`
493
494SVN=${SVN:-svn}
495# The CVS server containing the GCC repository.
496SVN_SERVER="gcc.gnu.org"
497# The path to the repository on that server.
498SVN_REPOSITORY="/svn/gcc"
499# The username to use when connecting to the server.
500SVN_USERNAME="${USER}"
501
502# The machine to which files will be uploaded.
503GCC_HOSTNAME="gcc.gnu.org"
504# The name of the account on the machine to which files are uploaded.
505GCC_USERNAME="gccadmin"
506# The directory in which the files will be placed (do not use ~user syntax).
507FTP_PATH=/var/ftp/pub/gcc
508# The directory in which snapshots will be placed.
509SNAPSHOTS_DIR=${FTP_PATH}/snapshots
510
511# The major number for the release.  For release `3.0.2' this would be
512# `3'
513RELEASE_MAJOR=""
514# The minor number for the release.  For release `3.0.2' this would be
515# `0'.
516RELEASE_MINOR=""
517# The revision number for the release.  For release `3.0.2' this would
518# be `2'.
519RELEASE_REVISION=""
520# The complete name of the release.
521RELEASE=""
522
523# The name of the branch from which the release should be made, in a
524# user-friendly form.
525BRANCH=""
526
527# The name of the branch from which the release should be made, as used
528# for our version control system.
529SVNBRANCH=""
530
531# The tag to apply to the sources used for the release.
532TAG=""
533
534# The old tarballs from which to generate diffs.
535OLD_TARS=""
536
537# The directory that will be used to construct the release.  The
538# release itself will be placed in a subdirectory of this directory.
539DESTINATION=${HOME}
540# The subdirectory.
541WORKING_DIRECTORY=""
542# The directory that will contain the GCC sources.
543SOURCE_DIRECTORY=""
544
545# The directories that should be part of the various language-specific
546# tar files.  These are all relative to the top of the source tree.
547ADA_DIRS="gcc/ada libada gnattools"
548CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
549FORTRAN95_DIRS="gcc/fortran libgfortran"
550JAVA_DIRS="gcc/java libjava libffi boehm-gc"
551OBJECTIVEC_DIRS="gcc/objc gcc/objcp libobjc"
552TESTSUITE_DIRS="gcc/testsuite"
553
554# Non-zero if this is the final release, rather than a prerelease.
555FINAL=0
556
557# Non-zero if we are building a snapshot, and don't build gcc or
558# include generated files.
559SNAPSHOT=0
560
561# Non-zero if we are running locally on gcc.gnu.org, and use local CVS
562# and copy directly to the FTP directory.
563LOCAL=0
564
565# Major operation modes.
566MODE_GZIP=0
567MODE_DIFFS=0
568MODE_SOURCES=0
569MODE_TARFILES=0
570MODE_UPLOAD=0
571
572# List of archive files generated; used to create .gz files from .bz2.
573FILE_LIST=""
574
575# Programs we use.
576
577BZIP2="${BZIP2:-bzip2}"
578CVS="${CVS:-cvs -f -Q -z9}"
579DIFF="${DIFF:-diff -Nrcpad}"
580ENV="${ENV:-env}"
581GZIP="${GZIP:-gzip --best}"
582SCP="${SCP:-scp -p}"
583SSH="${SSH:-ssh}"
584TAR="${TAR:-tar}"
585
586########################################################################
587# Command Line Processing
588########################################################################
589
590# Parse the options.
591while getopts "d:fr:u:t:p:s:l" ARG; do
592    case $ARG in
593    d)    DESTINATION="${OPTARG}";;
594    r)    RELEASE="${OPTARG}";;
595    t)    TAG="${OPTARG}";;
596    u)    SVN_USERNAME="${OPTARG}";;
597    f)    FINAL=1;;
598    s)    SNAPSHOT=1
599          BRANCH=${OPTARG%:*}
600          SVNBRANCH=${OPTARG#*:}
601          ;;
602    l)    LOCAL=1
603	  SCP=cp
604	  PATH=~:/usr/local/bin:$PATH;;
605    p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
606          if [ ! -f ${OPTARG} ]; then
607	    error "-p argument must name a tarball"
608	  fi;;
609    \?)   usage;;
610    esac
611done
612shift `expr ${OPTIND} - 1`
613
614# Handle the major modes.
615while [ $# -ne 0 ]; do
616    case $1 in
617    diffs)    MODE_DIFFS=1;;
618    gzip)     MODE_GZIP=1;;
619    sources)  MODE_SOURCES=1;;
620    tarfiles) MODE_TARFILES=1;;
621    upload)   MODE_UPLOAD=1;;
622    all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
623              if [ $SNAPSHOT -ne 1 ]; then
624                # Only for releases and pre-releases.
625                MODE_GZIP=1;
626              fi
627              ;;
628    *)        error "Unknown mode $1";;
629    esac
630    shift
631done
632
633# Perform consistency checking.
634if [ ${LOCAL} -eq 0 ] && [ -z ${SVN_USERNAME} ]; then
635  error "No username specified"
636fi
637
638if [ ! -d ${DESTINATION} ]; then
639  error "\`${DESTINATION}' is not a directory"
640fi
641
642if [ $SNAPSHOT -eq 0 ]; then
643  if [ -z ${RELEASE} ]; then
644    error "No release number specified"
645  fi
646
647  # Compute the major and minor release numbers.
648  RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
649  RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
650  RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`
651
652  if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
653    error "Release number \`${RELEASE}' is invalid"
654  fi
655
656  # Compute the full name of the release.
657  if [ -z "${RELEASE_REVISION}" ]; then
658    RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
659  else
660    RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
661  fi
662
663  # Compute the name of the branch, which is based solely on the major
664  # and minor release numbers.
665  SVNBRANCH="branches/gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"
666
667  # If this is not a final release, set various parameters accordingly.
668  if [ ${FINAL} -ne 1 ]; then
669    RELEASE="${RELEASE}-RC-${DATE}"
670    FTP_PATH="${SNAPSHOTS_DIR}/${RELEASE}"
671  else
672    FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
673  fi
674else
675  RELEASE=${BRANCH}-${DATE}
676  FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
677
678  # If diffs are requested when building locally on gcc.gnu.org, we (usually)
679  # know what the last snapshot date was and take the corresponding tarballs,
680  # unless the user specified tarballs explicitly.
681  if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ] && [ -z "${OLD_TARS}" ]; then
682    LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
683    OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
684  fi
685fi
686
687# Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
688WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
689SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"
690
691# Recompute the names of all the language-specific directories,
692# relative to the WORKING_DIRECTORY.
693ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
694CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
695FORTRAN95_DIRS=`adjust_dirs ${FORTRAN95_DIRS}`
696JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
697OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
698TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`
699
700# Set up SVNROOT.
701if [ $LOCAL -eq 0 ]; then
702    SVNROOT="svn+ssh://${SVN_USERNAME}@${SVN_SERVER}${SVN_REPOSITORY}"
703    CVSROOT=":ext:${SVN_USERNAME}@gcc.gnu.org/cvs/gcc"
704else
705    SVNROOT="file:///svn/gcc"
706    CVSROOT="/cvs/gcc"
707fi
708export SVNROOT
709export CVSROOT
710
711########################################################################
712# Main Program
713########################################################################
714
715# Set the timezone to UTC
716TZ="UTC0"
717export TZ
718
719# Build the source directory.
720
721if [ $MODE_SOURCES -ne 0 ]; then
722  build_sources
723fi
724
725# Build the tar files.
726
727if [ $MODE_TARFILES -ne 0 ]; then
728  build_tarfiles
729fi
730
731# Build diffs
732
733if [ $MODE_DIFFS -ne 0 ]; then
734  # Possibly build diffs.
735  if [ -n "$OLD_TARS" ]; then
736    for old_tar in $OLD_TARS; do
737      build_diffs $old_tar
738    done
739  fi
740fi
741
742# Build gzip files
743if [ $MODE_GZIP -ne 0 ]; then
744  build_gzip
745fi
746
747# Upload them to the FTP server.
748if [ $MODE_UPLOAD -ne 0 ]; then
749  upload_files
750
751  # For snapshots, make some further updates.
752  if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
753    announce_snapshot
754
755    # Update snapshot date file.
756    changedir ~
757    echo $DATE > .snapshot_date-${BRANCH}
758
759    # Remove working directory
760    rm -rf ${WORKING_DIRECTORY}
761  fi
762fi
763