summaryrefslogtreecommitdiff
path: root/maintainer-scripts/gcc_release
blob: ed0751d2315e0c6b35cbdc2390338ab70431818e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
#! /bin/sh

########################################################################
#
# File:   gcc_release
# Author: Jeffrey Law, Bernd Schmidt, Mark Mitchell
# Date:   2001-05-25
#
# Contents:
#   Script to create a GCC release.
#
# Copyright (c) 2001, 2002 Free Software Foundation.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING.  If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
########################################################################

########################################################################
# Notes
########################################################################

# Here is an example usage of this script, to create a GCC 3.0.2
# prerelease:
#
#   gcc_release -r 3.0.2
#
# This script will automatically use the head of the release branch
# to generate the release.

########################################################################
# Functions
########################################################################

# Issue the error message given by $1 and exit with a non-zero
# exit code.

error() {
    echo "gcc_release: error: $1"
    exit 1
}

# Issue the informational message given by $1.

inform() {
    echo "gcc_release: $1"
}

# Issue a usage message explaining how to use this script.

usage() {
cat <<EOF
gcc_release -r release [-f] [further options]
gcc_release -s name:cvsbranch [further options]

Options:

  -r release           Version of the form X.Y or X.Y.Z.
  -s name:cvsbranch    Create a snapshot, not a real release.

  -d destination       Local working directory where we will build the release
                       (default=${HOME}).
  -f                   Create a final release (and update ChangeLogs,...).
  -l                   Indicate that we are running on gcc.gnu.org.
  -p previous-tarball  Location of a previous tarball (to generate diff files).
  -t tag               Tag to mark the release in CVS.
  -u username          Username for upload operations.
EOF
    exit 1
}

# Change to the directory given by $1.

changedir() {
  cd $1 || \
    error "Could not change directory to $1"
}

# Each of the arguments is a directory name, relative to the top
# of the source tree.  Return another name for that directory, relative
# to the working directory.

adjust_dirs() {
  for x in $@; do
    echo `basename ${SOURCE_DIRECTORY}`/$x
  done
}

# Build the source tree that will be the basis for the release
# in ${WORKING_DIRECTORY}/gcc-${RELEASE}.

build_sources() {
  # If the WORKING_DIRECTORY already exists, do not risk destroying it.
  if [ -r ${WORKING_DIRECTORY} ]; then
    error "\`${WORKING_DIRECTORY}' already exists"
  fi
  # Create the WORKING_DIRECTORY.
  mkdir "${WORKING_DIRECTORY}" \
    || error "Could not create \`${WORKING_DIRECTORY}'"
  changedir "${WORKING_DIRECTORY}"

  # If this is a final release, make sure that the ChangeLogs
  # and version strings are updated.
  if [ ${FINAL} -ne 0 ]; then
    inform "Updating ChangeLogs and version files"

    ${CVS} co -d "`basename ${SOURCE_DIRECTORY}`" \
           -r ${CVSBRANCH} gcc || \
           error "Could not check out release sources"
    for x in `find ${SOURCE_DIRECTORY} -name ChangeLog`; do
      # Update this ChangeLog file only if it does not yet contain the
      # entry we are going to add.  (This is a safety net for repeated
      # runs of this script for the same release.)
      if ! grep "GCC ${RELEASE} released." ${x} > /dev/null ; then       
        cat - ${x} > ${x}.new <<EOF
${LONG_DATE}  Release Manager

	* GCC ${RELEASE} released.

EOF
        mv ${x}.new ${x} || \
            error "Could not update ${x}"
        (changedir `dirname ${x}` && \
            ${CVS} ci -m 'Mark ChangeLog' `basename ${x}`) || \
            error "Could not commit ${x}"
      fi
    done

    # Update `gcc/version.c'.
    for x in gcc/version.c; do 
      y=`basename ${x}`
      (changedir `dirname ${SOURCE_DIRECTORY}/${x}` && \
          sed -e 's|version_string\[\] = \".*\"|version_string\[\] = \"'${RELEASE}'\"|g' < ${y} > ${y}.new && \
	  mv ${y}.new ${y} && \
          ${CVS} ci -m 'Update version' ${y}) || \
	  error "Could not update ${x}"
    done

    # Make sure we tag the sources for a final release.
    TAG="gcc_`echo ${RELEASE} | tr . _`_release"

    rm -rf ${SOURCE_DIRECTORY}
  fi

  # Tag the sources.
  EXPORTDATE=""
  if [ -n "${TAG}" ]; then
    inform "Tagging sources as ${TAG}"
    # The -F option to CVS is intentionally not used below.  If you
    # need to retry a release, you will have to manually remove any
    # existing tag.
    ${CVS} rtag -r ${CVSBRANCH} ${TAG} gcc || \
      error "Could not tag sources"
    EXPORTTAG="-r${TAG}"
  else
    if [ ${CVSBRANCH} != "HEAD" ]; then
      EXPORTTAG="-r${CVSBRANCH}"
      # It does not work to use both "-r" and "-D" with
      # "cvs export" so EXPORTDATE is not set here.
    else
      # HEAD is the default branch, no need to specify it.
      EXPORTTAG=""
      EXPORTDATE="-D`date -u +"%Y-%m-%d %H:%M"` UTC"
    fi
  fi

  # Export the current sources.
  inform "Retrieving sources (cvs export ${EXPORTTAG} ${EXPORTDATE} gcc)"

  if [ -z "${EXPORTTAG}" ]; then
    ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
       "${EXPORTDATE}" gcc || \
      error "Could not retrieve sources"
  elif [ -z "${EXPORTDATE}" ]; then
    ${CVS} export -d "`basename ${SOURCE_DIRECTORY}`" \
       "${EXPORTTAG}" gcc || \
      error "Could not retrieve sources"
  else
    error "Cannot specify -r and -D at the same time"
  fi

  # Run gcc_update on them to set up the timestamps nicely, and (re)write
  # the LAST_UPDATED file containing the CVS tag/date used.
  changedir "gcc-${RELEASE}"
  contrib/gcc_update --touch
  echo "Obtained from CVS: ${EXPORTTAG} ${EXPORTDATE}" > LAST_UPDATED

  # Obtain some documentation files from the wwwdocs module.
  inform "Retrieving HTML documentation"
  changedir "${WORKING_DIRECTORY}"
  for x in bugs faq; do
    (${CVS} export -r HEAD wwwdocs/htdocs/${x}.html && \
     cp ${WORKING_DIRECTORY}/wwwdocs/htdocs/${x}.html \
        ${SOURCE_DIRECTORY}) || \
      error "Could not retrieve ${x}.html"
  done

  inform "Generating plain-text documentation from HTML"
  changedir "${SOURCE_DIRECTORY}"
  for file in *.html; do
    newfile=`echo $file | sed -e 's/.html//' | tr "[:lower:]" "[:upper:]"`
    (${ENV} TERM=vt100 lynx -dump $file \
       | sed -e "s#file://localhost`/bin/pwd`\(.*\)#http://gcc.gnu.org\1#g" \
       > $newfile) || \
     error "Could not generate text-only version of ${file}"
  done

  # For a prerelease or real release, we need to generate additional
  # files not present in CVS.
  changedir "${SOURCE_DIRECTORY}"
  if [ $SNAPSHOT -ne 1 ]; then
    # Generate the documentation.
    inform "Building install docs"
    SOURCEDIR=${SOURCE_DIRECTORY}/gcc/doc
    DESTDIR=${SOURCE_DIRECTORY}/INSTALL
    export SOURCEDIR
    export DESTDIR
    ${SOURCE_DIRECTORY}/gcc/doc/install.texi2html

    # Regenerate the NEWS file.
    contrib/gennews > gcc/NEWS || \
      error "Could not regenerate NEWS files"

    # Now, we must build the compiler in order to create any generated
    # files that are supposed to go in the source directory.  This is
    # also a good sanity check to make sure that the release builds
    # on at least one platform.
    inform "Building compiler"
    OBJECT_DIRECTORY=../objdir
    contrib/gcc_build -d ${SOURCE_DIRECTORY} -o ${OBJECT_DIRECTORY} \
      -c "--enable-generated-files-in-srcdir" build || \
      error "Could not rebuild GCC"
  fi

  # Move message catalogs to source directory.
  mv ../objdir/gcc/po/*.gmo gcc/po/

  # Create a `.brik' file to use for checking the validity of the
  # release.
  changedir "${SOURCE_DIRECTORY}"
  BRIK_FILE=`mktemp /tmp/gcc_release.XXXXXXX`
  ((find . -type f | sort > $BRIK_FILE) && \
       brik -Gb -f ${BRIK_FILE} > .brik && \
       rm ${BRIK_FILE}) || \
     error "Could not compute brik checksum"
}

# Buid a single tarfile.  The first argument is the name of the name
# of the tarfile to build, without any suffixes.  They will be added
# automatically.  The rest of the arguments are the files or
# directories to include.

build_tarfile() {
  # Get the name of the destination tar file.
  TARFILE="$1.tar.bz2"
  shift

  # Build the tar file itself.
  (${TAR} cf - "$@" | ${BZIP2} > ${TARFILE}) || \
    error "Could not build tarfile"
  FILE_LIST="${FILE_LIST} ${TARFILE}"
}

# Build the various tar files for the release.

build_tarfiles() {
  inform "Building tarfiles"

  changedir "${WORKING_DIRECTORY}"

  # The GNU Coding Standards specify that all files should
  # world readable.
  chmod -R a+r ${SOURCE_DIRECTORY}
  # And that all directories have mode 777.
  find ${SOURCE_DIRECTORY} -type d -exec chmod 777 {} \;
 
  # Build one huge tarfile for the entire distribution.
  build_tarfile gcc-${RELEASE} `basename ${SOURCE_DIRECTORY}`

  # Now, build one for each of the languages.
  build_tarfile gcc-ada-${RELEASE} ${ADA_DIRS}
  build_tarfile gcc-g++-${RELEASE} ${CPLUSPLUS_DIRS}
  build_tarfile gcc-g77-${RELEASE} ${FORTRAN_DIRS}
  build_tarfile gcc-fortran-${RELEASE} ${FORTRAN95_DIRS}
  build_tarfile gcc-java-${RELEASE} ${JAVA_DIRS}
  build_tarfile gcc-objc-${RELEASE} ${OBJECTIVEC_DIRS}
  build_tarfile gcc-testsuite-${RELEASE} ${TESTSUITE_DIRS}
   
  # The core is everything else.
  EXCLUDES=""
  for x in ${ADA_DIRS} ${CPLUSPLUS_DIRS} ${FORTRAN_DIRS} ${FORTRAN95_DIRS}\
	   ${JAVA_DIRS} ${OBJECTIVEC_DIRS} ${TESTSUITE_DIRS}; do
    EXCLUDES="${EXCLUDES} --exclude $x"
  done
  build_tarfile gcc-core-${RELEASE} ${EXCLUDES} \
    `basename ${SOURCE_DIRECTORY}`
}

# Build .gz files.
build_gzip() {
  for f in ${FILE_LIST}; do
    target=${f%.bz2}.gz
    (${BZIP2} -d -c $f | ${GZIP} > ${target}) || error "Could not create ${target}"
  done
}

# Build diffs against an old release.
build_diffs() {
  old_dir=${1%/*}
  old_file=${1##*/}
  old_vers=${old_file%.tar.bz2}
  old_vers=${old_vers#gcc-}
  inform "Building diffs against version $old_vers"
  for f in gcc gcc-ada gcc-g++ gcc-g77 gcc-fortran gcc-java gcc-objc gcc-testsuite gcc-core; do
    old_tar=${old_dir}/${f}-${old_vers}.tar.bz2
    new_tar=${WORKING_DIRECTORY}/${f}-${RELEASE}.tar.bz2
    if [ ! -e $old_tar ]; then
      inform "$old_tar not found; not generating diff file"
    elif [ ! -e $new_tar ]; then
      inform "$new_tar not found; not generating diff file"
    else
      build_diff $old_tar gcc-${old_vers} $new_tar gcc-${RELEASE} \
        ${f}-${old_vers}-${RELEASE}.diff.bz2
    fi
  done
}

# Build an individual diff.
build_diff() {
  changedir "${WORKING_DIRECTORY}"
  tmpdir=gccdiff.$$
  mkdir $tmpdir || error "Could not create directory $tmpdir"
  changedir $tmpdir
  (${BZIP2} -d -c $1 | ${TAR} xf - ) || error "Could not unpack $1 for diffs"
  (${BZIP2} -d -c $3 | ${TAR} xf - ) || error "Could not unpack $3 for diffs"
  ${DIFF} $2 $4 > ../${5%.bz2}
  if [ $? -eq 2 ]; then
    error "Trouble making diffs from $1 to $3"
  fi
  ${BZIP2} ../${5%.bz2} || error "Could not generate ../$5"
  changedir ..
  rm -rf $tmpdir
  FILE_LIST="${FILE_LIST} $5"
}

# Upload the files to the FTP server.
upload_files() {
  inform "Uploading files"

  changedir "${WORKING_DIRECTORY}"

  # Make sure the directory exists on the server.
  if [ $LOCAL -eq 0 ]; then
    ${SSH} -l ${GCC_USERNAME} ${GCC_HOSTNAME} \
      mkdir -p "${FTP_PATH}/diffs"
    UPLOAD_PATH="${GCC_USERNAME}@${GCC_HOSTNAME}:${FTP_PATH}"
  else
    mkdir -p "${FTP_PATH}/diffs" \
      || error "Could not create \`${FTP_PATH}'"
    UPLOAD_PATH=${FTP_PATH}
  fi

  # Then copy files to their respective (sub)directories.
  for x in gcc*.gz gcc*.bz2; do
    if [ -e ${x} ]; then
      # Make sure the file will be readable on the server.
      chmod a+r ${x}
      # Copy it.
      case ${x} in
        *.diff.*)
          SUBDIR="diffs/";
          ;;
        *)
          SUBDIR="";
      esac
      ${SCP} ${x} ${UPLOAD_PATH}/${SUBDIR} \
        || error "Could not upload ${x}"
    fi
  done
}

# Announce a snapshot, both on the web and via mail.
announce_snapshot() {
  inform "Updating links and READMEs on the FTP server"
  
  TEXT_DATE=`date --date=$DATE +%B\ %d,\ %Y`
  changedir "${SNAPSHOTS_DIR}"
  sed -e "s%@DATE@%$DATE%g" \
    -e "s%@TEXT_DATE@%$TEXT_DATE%g" \
    -e "s%@LAST_DATE@%$LAST_DATE%g" \
    -e "s%@BRANCH@%${BRANCH}%g" \
    -e "s%@RELEASE@%${RELEASE}%g" \
    -e "s%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
    ~/scripts/snapshot-README > $$
  mv $$ ${RELEASE}/README
  sed -e "s%@DATE@%$DATE%g" \
    -e "s%@TEXT_DATE@%$TEXT_DATE%g" \
    -e "s%@LAST_DATE@%$LAST_DATE%g" \
    -e "s%@BRANCH@%${BRANCH}%g" \
    -e "s%@RELEASE@%${RELEASE}%g" \
    -e "s%@EXPORT@%${EXPORTTAG} ${EXPORTDATE}%g" \
    ~/scripts/snapshot-index.html > $$
  mv $$ ${RELEASE}/index.html

  touch LATEST-IS-${BRANCH}-${DATE}
  rm -f LATEST-IS-${BRANCH}-${LAST_DATE}

  inform "Sending mail"

  export QMAILHOST=gcc.gnu.org
  mail -s "gcc-ss-${RELEASE} is now available" gcc@gcc.gnu.org < ${SNAPSHOTS_DIR}/${RELEASE}/README
}

########################################################################
# Initialization
########################################################################

# Today's date.
DATE=`date "+%Y%m%d"`
LONG_DATE=`date "+%Y-%m-%d"`

# The CVS server containing the GCC repository.
CVS_SERVER="gcc.gnu.org"
# The path to the repository on that server.
CVS_REPOSITORY="/cvs/gcc"
# The CVS protocol to use.
CVS_PROTOCOL="ext"
# The username to use when connecting to the server.
CVS_USERNAME="${USER}"

# The machine to which files will be uploaded.
GCC_HOSTNAME="gcc.gnu.org"
# The name of the account on the machine to which files are uploaded.
GCC_USERNAME="gccadmin"
# The directory in which the files will be placed (do not use ~user syntax).
FTP_PATH=/var/ftp/pub/gcc
# The directory in which snapshots will be placed.
SNAPSHOTS_DIR=${FTP_PATH}/snapshots

# The major number for the release.  For release `3.0.2' this would be 
# `3'
RELEASE_MAJOR=""
# The minor number for the release.  For release `3.0.2' this would be
# `0'.
RELEASE_MINOR=""
# The revision number for the release.  For release `3.0.2' this would
# be `2'.
RELEASE_REVISION=""
# The complete name of the release.
RELEASE=""

# The name of the branch from which the release should be made, in a 
# user-friendly form.
BRANCH=""

# The name of the branch from which the release should be made, as used
# for our version control system.
CVSBRANCH=""

# The tag to apply to the sources used for the release.
TAG=""

# The old tarballs from which to generate diffs.
OLD_TARS=""

# The directory that will be used to construct the release.  The
# release itself will be placed in a subdirectory of this diretory.
DESTINATION=${HOME}
# The subdirectory.
WORKING_DIRECTORY=""
# The directory that will contain the GCC sources.
SOURCE_DIRECTORY=""

# The directories that should be part of the various language-specific
# tar files.  These are all relative to the top of the source tree.
ADA_DIRS="gcc/ada libada"
CPLUSPLUS_DIRS="gcc/cp libstdc++-v3"
FORTRAN_DIRS="gcc/f libf2c"
FORTRAN95_DIRS="gcc/fortran libgfortran"
JAVA_DIRS="gcc/java libjava libffi fastjar zlib boehm-gc"
OBJECTIVEC_DIRS="gcc/objc libobjc"
TESTSUITE_DIRS="gcc/testsuite"

# Non-zero if this is the final release, rather than a prerelease.
FINAL=0

# Non-zero if we are building a snapshot, and don't build gcc or
# include generated files.
SNAPSHOT=0

# Non-zero if we are running locally on gcc.gnu.org, and use local CVS
# and copy directly to the FTP directory.
LOCAL=0

# Major operation modes.
MODE_GZIP=0
MODE_DIFFS=0
MODE_SOURCES=0
MODE_TARFILES=0
MODE_UPLOAD=0

# List of archive files generated; used to create .gz files from .bz2.
FILE_LIST=""

# Programs we use.

BZIP2="${BZIP2:-bzip2}"
CVS="${CVS:-cvs -f -Q -z9}"
DIFF="${DIFF:-diff -Nrc3pad}"
ENV="${ENV:-env}"
GZIP="${GZIP:-gzip --best}"
SCP="${SCP:-scp -p}"
SSH="${SSH:-ssh}"
TAR="${TAR:-tar}"

########################################################################
# Command Line Processing
########################################################################

# Parse the options.
while getopts "d:fr:u:t:p:s:l" ARG; do
    case $ARG in
    d)    DESTINATION="${OPTARG}";;
    r)    RELEASE="${OPTARG}";;
    t)    TAG="${OPTARG}";;
    u)    CVS_USERNAME="${OPTARG}";;
    f)    FINAL=1;;
    s)    SNAPSHOT=1
          BRANCH=${OPTARG%:*}
          CVSBRANCH=${OPTARG#*:}
          ;;
    l)    LOCAL=1
	  SCP=cp
	  PATH=~:/usr/local/bin:$PATH;;
    p)    OLD_TARS="${OLD_TARS} ${OPTARG}"
          if [ ! -f ${OPTARG} ]; then
	    error "-p argument must name a tarball"
	  fi;;
    \?)   usage;;
    esac
done
shift `expr ${OPTIND} - 1`

# Handle the major modes.
while [ $# -ne 0 ]; do
    case $1 in
    diffs)    MODE_DIFFS=1;;
    gzip)     MODE_GZIP=1;;
    sources)  MODE_SOURCES=1;;
    tarfiles) MODE_TARFILES=1;;
    upload)   MODE_UPLOAD=1;;
    all)      MODE_SOURCES=1; MODE_TARFILES=1; MODE_DIFFS=1; MODE_UPLOAD=1;
              if [ $SNAPSHOT -ne 1 ]; then
                # Only for releases and pre-releases.
                MODE_GZIP=1;
              fi
              ;;
    *)        error "Unknown mode $1";;
    esac
    shift
done

# Perform consistency checking.
if [ ${LOCAL} -eq 0 ] && [ -z ${CVS_USERNAME} ]; then
  error "No username specified"
fi

if [ ! -d ${DESTINATION} ]; then
  error "\`${DESTINATION}' is not a directory"
fi

if [ $SNAPSHOT -eq 0 ]; then
  if [ -z ${RELEASE} ]; then
    error "No release number specified"
  fi

  # Compute the major and minor release numbers.
  RELEASE_MAJOR=`echo $RELEASE | awk --assign FS=. '{ print $1; }'`
  RELEASE_MINOR=`echo $RELEASE | awk --assign FS=. '{ print $2; }'`
  RELEASE_REVISION=`echo $RELEASE | awk --assign FS=. '{ print $3; }'`

  if [ -z "${RELEASE_MAJOR}" ] || [ -z "${RELEASE_MINOR}" ]; then
    error "Release number \`${RELEASE}' is invalid"
  fi

  # Compute the full name of the release.
  if [ -z "${RELEASE_REVISION}" ]; then
    RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}"
  else
    RELEASE="${RELEASE_MAJOR}.${RELEASE_MINOR}.${RELEASE_REVISION}"
  fi

  # Compute the name of the branch, which is based solely on the major
  # and minor release numbers.
  CVSBRANCH="gcc-${RELEASE_MAJOR}_${RELEASE_MINOR}-branch"

  # If this is not a final release, set various parameters acordingly.
  if [ ${FINAL} -ne 1 ]; then
    RELEASE="${RELEASE}-${DATE}"
    FTP_PATH="${FTP_PATH}/prerelease-${RELEASE}/"
  else
    FTP_PATH="${FTP_PATH}/releases/gcc-${RELEASE}/"
  fi
else
  RELEASE=${BRANCH}-${DATE}
  FTP_PATH="${FTP_PATH}/snapshots/${RELEASE}"
  if [ ${CVSBRANCH} != "HEAD" ]; then
    TAG=gcc-ss-`echo ${RELEASE} | tr '.' '_'`
  fi

  # If diffs are requested when building locally on gcc.gnu.org, we (usually)
  # know what the last snapshot date was and take the corresponding tarballs,
  # unless the user specified tarballs explictly.
  if [ $MODE_DIFFS -ne 0 ] && [ $LOCAL -ne 0 ] && [ -z "${OLD_TARS}" ]; then
    LAST_DATE=`cat ~/.snapshot_date-${BRANCH}`
    OLD_TARS=${SNAPSHOTS_DIR}/${BRANCH}-${LAST_DATE}/gcc-${BRANCH}-${LAST_DATE}.tar.bz2
  fi
fi

# Compute the name of the WORKING_DIRECTORY and the SOURCE_DIRECTORY.
WORKING_DIRECTORY="${DESTINATION}/gcc-${RELEASE}"
SOURCE_DIRECTORY="${WORKING_DIRECTORY}/gcc-${RELEASE}"

# Recompute the names of all the language-specific directories,
# relative to the WORKING_DIRECTORY.
ADA_DIRS=`adjust_dirs ${ADA_DIRS}`
CPLUSPLUS_DIRS=`adjust_dirs ${CPLUSPLUS_DIRS}`
FORTRAN_DIRS=`adjust_dirs ${FORTRAN_DIRS}`
FORTRAN95_DIRS=`adjust_dirs ${FORTRAN95_DIRS}`
JAVA_DIRS=`adjust_dirs ${JAVA_DIRS}`
OBJECTIVEC_DIRS=`adjust_dirs ${OBJECTIVEC_DIRS}`
TESTSUITE_DIRS=`adjust_dirs ${TESTSUITE_DIRS}`

# Set up CVSROOT.
if [ $LOCAL -eq 0 ]; then
    CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
    CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
else
    CVSROOT="${CVS_REPOSITORY}"
fi
export CVSROOT

########################################################################
# Main Program
########################################################################

# Set the timezone to UTC
TZ="UTC0"
export TZ

# Build the source directory.

if [ $MODE_SOURCES -ne 0 ]; then
  build_sources
fi

# Build the tar files.

if [ $MODE_TARFILES -ne 0 ]; then
  build_tarfiles
fi

# Build diffs

if [ $MODE_DIFFS -ne 0 ]; then
  # Possibly build diffs.
  if [ -n "$OLD_TARS" ]; then
    for old_tar in $OLD_TARS; do
      build_diffs $old_tar
    done
  fi
fi

# Build gzip files
if [ $MODE_GZIP -ne 0 ]; then
  build_gzip
fi

# Upload them to the FTP server.

if [ $MODE_UPLOAD -ne 0 ]; then
  upload_files

  # For snapshots, make some further updates.
  if [ $SNAPSHOT -ne 0 ] && [ $LOCAL -ne 0 ]; then
    announce_snapshot

    # Update snapshot date file.
    changedir ~
    echo $DATE > .snapshot_date-${BRANCH}

    # Remove working directory
    rm -rf ${WORKING_DIRECTORY}
  fi
fi