xapian-maintainer-tools/debian/backport-source-packages

   1 #!/bin/sh
   2 # Backport Debian source packages for Xapian.
   3 #
   4 # Copyright (C) 2004 Richard Boulton
   5 # Copyright (C) 2006-2020 Olly Betts
   6 #
   7 # This program is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU General Public License as
   9 # published by the Free Software Foundation; either version 2 of the
  10 # License, or (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  20 # USA
  21
  22 # Dependencies:
  23 # dch from package devscripts.
  24
  25 set -e
  26
  27 MIRROR=http://httpredir.debian.org/debian/
  28
  29 DEBIAN_CODENAMES='buster stretch jessie'
  30 UBUNTU_CODENAMES='eoan bionic xenial trusty'
  31 UBUNTU_FIRST=`echo "$UBUNTU_CODENAMES"|sed 's/.* //'`
  32
  33 V_OPT=
  34 BUILD_INT=1
  35 HELP_RC=
  36 while true ; do
  37   case $1 in
  38   -v)
  39     V_OPT="$1$2"
  40     shift
  41     ;;
  42   -v*)
  43     V_OPT=$1
  44     ;;
  45   -b)
  46     BUILD_INT=$2
  47     shift
  48     ;;
  49   -b*)
  50     BUILD_INT=`expr substr "$1" 3 9999`
  51     ;;
  52   --help)
  53     HELP_RC=0
  54     break
  55     ;;
  56   -*)
  57     HELP_RC=1
  58     break
  59     ;;
  60   *)
  61     break
  62     ;;
  63   esac
  64   shift
  65 done
  66
  67 if [ -n "$HELP_RC" -o $# -lt 2 ] ; then
  68   echo "Usage: $0 [-v <last backported version>] [-b <backport #>] SOURCE_PKG VERSION [CODENAME...]"
  69   echo
  70   echo "e.g.: $0 xapian-core 1.4.11-1 xenial"
  71   echo 'If no codenames are specified, the default is to backport for all of them.'
  72   echo
  73   echo "Currently, the recognised values are:"
  74   echo "    $DEBIAN_CODENAMES"
  75   echo "    $UBUNTU_CODENAMES"
  76   echo "And the magic values which expand to the above lists:"
  77   echo "    debian ubuntu"
  78   exit ${HELP_RC:-1}
  79 fi
  80
  81 # Remove any backport suffix from any -v option.
  82 V_OPT=`printf '%s' "$V_OPT"|sed 's/~bpo.*//'`
  83 PKG=$1
  84 VERSION=$2
  85 shift
  86 shift
  87
  88 SUFFIX=`echo "$VERSION"|sed 's/.*-/-/'`
  89 VERSION=`echo "$VERSION"|sed 's/-[^-]*$//'`
  90
  91 # Debian/Ubuntu codename or codenames to build for.
  92 # This will be overridden by the command line arguments, if any were passed.
  93 CODENAMES="$DEBIAN_CODENAMES $UBUNTU_CODENAMES"
  94
  95 # Options to pass to dpkg-buildpackage when building source packages
  96 BUILDPACKAGE_SRC_OPTS="-us -uc -d -S $V_OPT --changes-option=-DBinary=dummy"
  97
  98 # Add entry to changelog if we're backporting.
  99 adjust_changelog() {
 100   if [ sid != "$CODENAME" ] ; then
 101     base_version=`dpkg-parsechangelog|sed 's/^Version: //p;d'`
 102     backport_version=$base_version$BACKPORT_SUFFIX
 103     # --force-bad-version needed for backporting, since the "new" version may
 104     # be less than the "old".  Direct stdin from /dev/null to prevent dch
 105     # stopping to confirm the bad version is OK.
 106     if [ 1 = "$ubuntu" ] ; then
 107       distribution=$CODENAME
 108     elif [ "`echo "$DEBIAN_CODENAMES"|cut -d' ' -f1`" = "$CODENAME" ] ; then
 109       # Backport for the most recent stable debian release.
 110       distribution=$CODENAME-backports
 111     else
 112       distribution=$CODENAME-backports-sloppy
 113     fi
 114     dch --force-bad-version -v "$backport_version" -D "$distribution" \
 115         "Rebuild for $CODENAME backports." < /dev/null
 116   fi
 117 }
 118
 119 build_it() {
 120   adjust_changelog
 121
 122   overrides=
 123   case $PKG:$CODENAME:$VERSION in
 124     xapian-bindings:jessie:*)
 125       # Make sure we add python-xapian to debian/control.
 126       overrides='PYTHON_VERSIONS=dummy' ;;
 127     xapian-bindings:trusty:*)
 128       # Make sure we add python-xapian and python3-xapian to debian/control.
 129       overrides='PYTHON_VERSIONS=dummy PYTHON3_VERSIONS=dummy' ;;
 130     xapian-bindings:stretch:*|xapian-bindings:xenial:*)
 131       # Make sure we add python-xapian and python3-xapian to debian/control.
 132       overrides='PYTHON_VERSIONS=dummy PYTHON3_VERSIONS=dummy RUBY_VERSIONS=2.3 RUBY_PROVIDES="X-Dummy: No provides"' ;;
 133     xapian-bindings:*:*)
 134       # Make sure we add python-xapian and python3-xapian to debian/control.
 135       overrides='PYTHON_VERSIONS=dummy PYTHON3_VERSIONS=dummy RUBY_VERSIONS=2.5 RUBY_PROVIDES="X-Dummy: No provides"' ;;
 136   esac
 137
 138   # libxapian30 (i.e. 1.4.x) is built with C++ "v5" ABI in stretch and newer
 139   # and in xenial and newer, so append "v4" to the soname for backports to
 140   # older versions so upgrades with the backport installed work cleanly.
 141   case $PKG:$VERSION in
 142   xapian-core:1.4.*)
 143     case $CODENAME in
 144     jessie|trusty)
 145       perl -i -e 'while (<>) { print; last if /^libxapian_soversion:=/ } while (<>) { print; last unless /\\$/ } print "libxapian_soversion:=\$(libxapian_soversion)v4\n"; while (<>) { s/^(\techo .libxapian.*)>/$1|sed "s,v4,,g" >/; print }' debian/rules
 146       sed -i 's/^\(Package: libxapian@LIBXAPIAN_SOVERSION@\)\(.*\)/\1\2\nConflicts: libxapian30\2\nReplaces: libxapian30\2/' debian/control.in
 147       dch -a 'debian/control.in,debian/rules: Add v4 suffix to soname. (Closes: #863705)'
 148       ;;
 149     esac
 150     ;;
 151   esac
 152
 153   # Mainly for Survex.
 154   case $CODENAME in
 155       trusty|xenial|jessie|stretch)
 156         if grep -q libwxgtk3.0-gtk3-dev debian/control ; then
 157             sed -i 's/libwxgtk3.0-gtk3-dev/libwxgtk3.0-dev/g' debian/control
 158             dch -a 'debian/control: Build with GTK2 version of wxWidgets.'
 159         fi
 160         ;;
 161   esac
 162
 163   case $CODENAME in
 164       jessie)
 165         if [ "`cat debian/compat`" -gt 10 ] ; then
 166             echo 10 > debian/compat
 167             sed -i 's/debhelper (>= [^)]*)/debhelper (>= 10)/' debian/control
 168             dch -a 'debian/control: Lower debhelper compat level to 10.'
 169         fi
 170         ;;
 171       trusty|xenial)
 172         if [ "`cat debian/compat`" -gt 9 ] ; then
 173             echo 9 > debian/compat
 174             sed -i 's/debhelper (>= [^)]*)/debhelper (>= 9)/' debian/control
 175             dch -a 'debian/control: Lower debhelper compat level to 9.'
 176             # Compat 9 doesn't default to parallel building.
 177             if grep -q 'dh_auto_test --no-parallel' debian/rules ; then
 178                 sed -i 's/dh_auto_test --no-parallel/dh_auto_test/' debian/rules
 179                 dch -a 'debian/rules: Drop --no-parallel from dh_auto_test invocation (debhelper compat level 9 does not default to parallel building).'
 180             fi
 181         fi
 182         ;;
 183   esac
 184
 185   case `grep -c '^[^#]*\<CODENAME\>' debian/rules` in
 186     '')
 187       echo 'Failed to grep debian/rules'
 188       exit 1
 189       ;;
 190     [01])
 191       # Run maintclean and maint targets, if they exist.
 192       fakeroot debian/rules maintclean || true
 193       eval fakeroot debian/rules maint $overrides || true
 194       ;;
 195     *)
 196       # If debian/rules has at least two non-commented out references to
 197       # CODENAME then create debian/codename.
 198       echo "$CODENAME" > debian/codename
 199       # Generates control from control.in (and maybe other files).
 200       fakeroot debian/rules maintclean CODENAME="$CODENAME"
 201       eval fakeroot debian/rules maint CODENAME="$CODENAME" $overrides
 202       ;;
 203   esac
 204
 205   include_src_opt=
 206   case $backport_version in
 207     *99$UBUNTU_FIRST+1)
 208       # We don't really want to upload the orig tarball for all Ubuntu
 209       # backports, only if it isn't already in the archive.  So for now, just
 210       # upload it for the first codename in alphabetical order, and only if
 211       # the BUILD_INT (N in the +N suffix) is 1.
 212       include_src_opt=-sa ;;
 213   esac
 214   debuild ${BUILDPACKAGE_SRC_OPTS} $include_src_opt
 215
 216   if [ 1 != "$ubuntu" ] ; then
 217     # Debian
 218     echo "cd build && sbuild --debbuildopt=$V_OPT -d $CODENAME-backports ${PKG}_$backport_version.dsc"
 219   fi
 220 }
 221
 222 # Get the codename(s) specified by the user.
 223 if [ -n "$*" ] ; then
 224   CODENAMES=`echo "$*"|sed 's/\<debian\>/'"$DEBIAN_CODENAMES"'/;s/\<ubuntu\>/'"$UBUNTU_CODENAMES"'/'`
 225 fi
 226
 227 ubuntu=0
 228 for CODENAME in $CODENAMES ; do
 229   # Check that the codename is known.
 230   DEBIAN_CODENAMES_RE='\('`echo "$DEBIAN_CODENAMES"|sed 's/ /\\\|/g'`'\)$'
 231   UBUNTU_CODENAMES_RE='\('`echo "$UBUNTU_CODENAMES"|sed 's/ /\\\|/g'`'\)$'
 232   if expr "$CODENAME" : "$DEBIAN_CODENAMES_RE" >/dev/null ; then
 233     echo "Making source packages for $CODENAME"
 234     if [ -z "$V_OPT" ] ; then
 235       echo 'You need to specify -v<last backported version> for debian backports'
 236       exit 1
 237     fi
 238   elif expr "$CODENAME" : "$UBUNTU_CODENAMES_RE" >/dev/null ; then
 239     echo "Making source packages for $CODENAME"
 240     ubuntu=1
 241   else
 242     echo "Codename \"$CODENAME\" not known."
 243     echo "Known codenames are: $DEBIAN_CODENAMES $UBUNTU_CODENAMES"
 244     exit 1
 245   fi
 246
 247 trap "echo \"backport-source-packages failed\"" EXIT
 248
 249 # $BACKPORT_SUFFIX holds a suffix to be added to the debian version number for
 250 # the backport.
 251
 252 # We need to add a suffix to the debian version number for the backported
 253 # package to avoid conflicts with the package in unstable.
 254 # For Ubuntu we add ".99$CODENAME" since it should sort
 255 # before any other modification (and since dapper, Ubuntu codenames are
 256 # allocated alphabetically).  To handle the wrapping from zesty to artful,
 257 # we add ".999$CODENAME" for artful and later.  For Debian releases, we use
 258 # backports.org-compatible package versions - e.g. we append "~bpo8+1" for
 259 # Debian 8 (jessie) (and a suffix starting "~" sorts as less than no suffix).
 260 case $CODENAME in
 261 buster)
 262   BACKPORT_SUFFIX="~bpo10+$BUILD_INT" ;;
 263 stretch)
 264   BACKPORT_SUFFIX="~bpo9+$BUILD_INT" ;;
 265 jessie)
 266   BACKPORT_SUFFIX="~bpo8+$BUILD_INT" ;;
 267 *)
 268   if [ x"$ubuntu" = x0 ] ; then
 269     echo "Debian codename '$CODENAME' not mapped to a ~bpoN suffix"
 270     exit 1
 271   fi
 272   case $CODENAME in
 273   trusty|xenial)
 274     BACKPORT_SUFFIX=".99$CODENAME+$BUILD_INT" ;;
 275   *)
 276     BACKPORT_SUFFIX=".999$CODENAME+$BUILD_INT" ;;
 277   esac
 278   ;;
 279 esac
 280
 281 # Unpack distribution tarballs, and put the debian control files into place,
 282 # and build source packages
 283 mkdir -p build
 284 cd build
 285   case $PKG in
 286   lib*) DIR=`echo $PKG|cut -c1,2,3,4` ;;
 287   *) DIR=`echo $PKG|cut -c1` ;;
 288   esac
 289   DSC=${PKG}_$VERSION$SUFFIX.dsc
 290   if [ -f "$DSC" ] ; then
 291     [ -d backup ] || mkdir backup
 292     if ! mv "$DSC" backup ; then
 293       # Handle dsc being hardlinked into backup already.
 294       cmp "$DSC" "backup/$DSC" && rm -f "$DSC"
 295     fi
 296     dget -b "file://`pwd`/backup/$DSC"
 297   elif [ -f "../$DSC" ] ; then
 298     dget -b "file://`cd .. && pwd`/$DSC"
 299   else
 300     dget "${MIRROR}pool/main/$DIR/$PKG/$DSC"
 301   fi
 302   cd ${PKG}-${VERSION}
 303     build_it
 304   cd ..
 305   rm -rf ${PKG}-${VERSION}
 306 cd ..
 307
 308 echo "Backported ${PKG} ${VERSION} for $CODENAME successfully"
 309 done
 310
 311 trap - EXIT