chrome/installer/linux/debian/build.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # TODO(mmoss) This currently only works with official builds, since non-official
   8 # builds don't add the "${BUILDDIR}/installer/" files needed for packaging.
   9
  10 set -e
  11 set -o pipefail
  12 if [ "$VERBOSE" ]; then
  13   set -x
  14 fi
  15 set -u
  16
  17 # Create the Debian changelog file needed by dpkg-gencontrol. This just adds a
  18 # placeholder change, indicating it is the result of an automatic build.
  19 # TODO(mmoss) Release packages should create something meaningful for a
  20 # changelog, but simply grabbing the actual 'svn log' is way too verbose. Do we
  21 # have any type of "significant/visible changes" log that we could use for this?
  22 gen_changelog() {
  23   rm -f "${DEB_CHANGELOG}"
  24   process_template "${SCRIPTDIR}/changelog.template" "${DEB_CHANGELOG}"
  25   debchange -a --nomultimaint -m --changelog "${DEB_CHANGELOG}" \
  26     "Release Notes: ${RELEASENOTES}"
  27   GZLOG="${STAGEDIR}/usr/share/doc/${PACKAGE}-${CHANNEL}/changelog.gz"
  28   mkdir -p "$(dirname "${GZLOG}")"
  29   gzip -9 -c "${DEB_CHANGELOG}" > "${GZLOG}"
  30   chmod 644 "${GZLOG}"
  31 }
  32
  33 # Create the Debian control file needed by dpkg-deb.
  34 gen_control() {
  35   dpkg-gencontrol -v"${VERSIONFULL}" -c"${DEB_CONTROL}" -l"${DEB_CHANGELOG}" \
  36   -f"${DEB_FILES}" -p"${PACKAGE}-${CHANNEL}" -P"${STAGEDIR}" \
  37   -O > "${STAGEDIR}/DEBIAN/control"
  38   rm -f "${DEB_CONTROL}"
  39 }
  40
  41 # Setup the installation directory hierachy in the package staging area.
  42 prep_staging_debian() {
  43   prep_staging_common
  44   install -m 755 -d "${STAGEDIR}/DEBIAN" \
  45     "${STAGEDIR}/etc/cron.daily" \
  46     "${STAGEDIR}/usr/share/menu" \
  47     "${STAGEDIR}/usr/share/doc/${PACKAGE}"
  48 }
  49
  50 # Put the package contents in the staging area.
  51 stage_install_debian() {
  52   # Always use a different name for /usr/bin symlink depending on channel.
  53   # First, to avoid file collisions. Second, to make it possible to
  54   # use update-alternatives for /usr/bin/google-chrome.
  55   local USR_BIN_SYMLINK_NAME="${PACKAGE}-${CHANNEL}"
  56
  57   if [ "$CHANNEL" != "stable" ]; then
  58     # This would ideally be compiled into the app, but that's a bit too
  59     # intrusive of a change for these limited use channels, so we'll just hack
  60     # it into the wrapper script. The user can still override since it seems to
  61     # work to specify --user-data-dir multiple times on the command line, with
  62     # the last occurrence winning.
  63     local SXS_USER_DATA_DIR="\${XDG_CONFIG_HOME:-\${HOME}/.config}/${PACKAGE}-${CHANNEL}"
  64     local DEFAULT_FLAGS="--user-data-dir=\"${SXS_USER_DATA_DIR}\""
  65
  66     # Avoid file collisions between channels.
  67     local INSTALLDIR="${INSTALLDIR}-${CHANNEL}"
  68
  69     local PACKAGE="${PACKAGE}-${CHANNEL}"
  70
  71     # Make it possible to distinguish between menu entries
  72     # for different channels.
  73     local MENUNAME="${MENUNAME} (${CHANNEL})"
  74   fi
  75   prep_staging_debian
  76   stage_install_common
  77   echo "Staging Debian install files in '${STAGEDIR}'..."
  78   install -m 755 -d "${STAGEDIR}/${INSTALLDIR}/cron"
  79   process_template "${BUILDDIR}/installer/common/repo.cron" \
  80       "${STAGEDIR}/${INSTALLDIR}/cron/${PACKAGE}"
  81   chmod 755 "${STAGEDIR}/${INSTALLDIR}/cron/${PACKAGE}"
  82   pushd "${STAGEDIR}/etc/cron.daily/"
  83   ln -snf "${INSTALLDIR}/cron/${PACKAGE}" "${PACKAGE}"
  84   popd
  85   process_template "${BUILDDIR}/installer/debian/debian.menu" \
  86     "${STAGEDIR}/usr/share/menu/${PACKAGE}.menu"
  87   chmod 644 "${STAGEDIR}/usr/share/menu/${PACKAGE}.menu"
  88   process_template "${BUILDDIR}/installer/debian/postinst" \
  89     "${STAGEDIR}/DEBIAN/postinst"
  90   chmod 755 "${STAGEDIR}/DEBIAN/postinst"
  91   process_template "${BUILDDIR}/installer/debian/prerm" \
  92     "${STAGEDIR}/DEBIAN/prerm"
  93   chmod 755 "${STAGEDIR}/DEBIAN/prerm"
  94   process_template "${BUILDDIR}/installer/debian/postrm" \
  95     "${STAGEDIR}/DEBIAN/postrm"
  96   chmod 755 "${STAGEDIR}/DEBIAN/postrm"
  97 }
  98
  99 # Actually generate the package file.
 100 do_package() {
 101   echo "Packaging ${ARCHITECTURE}..."
 102   PREDEPENDS="$COMMON_PREDEPS"
 103   DEPENDS="${COMMON_DEPS}"
 104   REPLACES=""
 105   CONFLICTS=""
 106   PROVIDES="www-browser"
 107   gen_changelog
 108   process_template "${SCRIPTDIR}/control.template" "${DEB_CONTROL}"
 109   export DEB_HOST_ARCH="${ARCHITECTURE}"
 110   if [ -f "${DEB_CONTROL}" ]; then
 111     gen_control
 112   fi
 113   fakeroot dpkg-deb -Zxz -z9 -b "${STAGEDIR}" .
 114 }
 115
 116 # Remove temporary files and unwanted packaging output.
 117 cleanup() {
 118   echo "Cleaning..."
 119   rm -rf "${STAGEDIR}"
 120   rm -rf "${TMPFILEDIR}"
 121 }
 122
 123 usage() {
 124   echo "usage: $(basename $0) [-c channel] [-a target_arch] [-o 'dir'] "
 125   echo "                      [-b 'dir']"
 126   echo "-c channel the package channel (trunk, asan, unstable, beta, stable)"
 127   echo "-a arch    package architecture (ia32 or x64)"
 128   echo "-o dir     package output directory [${OUTPUTDIR}]"
 129   echo "-b dir     build input directory    [${BUILDDIR}]"
 130   echo "-h         this help message"
 131 }
 132
 133 # Check that the channel name is one of the allowable ones.
 134 verify_channel() {
 135   case $CHANNEL in
 136     stable )
 137       CHANNEL=stable
 138       RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Stable%20updates"
 139       ;;
 140     unstable|dev|alpha )
 141       CHANNEL=unstable
 142       RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Dev%20updates"
 143       ;;
 144     testing|beta )
 145       CHANNEL=beta
 146       RELEASENOTES="http://googlechromereleases.blogspot.com/search/label/Beta%20updates"
 147       ;;
 148     trunk|asan )
 149       # Setting this to empty will prevent it from updating any existing configs
 150       # from release packages.
 151       REPOCONFIG=""
 152       RELEASENOTES="http://googlechromereleases.blogspot.com/"
 153       ;;
 154     * )
 155       echo
 156       echo "ERROR: '$CHANNEL' is not a valid channel type."
 157       echo
 158       exit 1
 159       ;;
 160   esac
 161 }
 162
 163 process_opts() {
 164   while getopts ":o:b:c:a:h" OPTNAME
 165   do
 166     case $OPTNAME in
 167       o )
 168         OUTPUTDIR=$(readlink -f "${OPTARG}")
 169         mkdir -p "${OUTPUTDIR}"
 170         ;;
 171       b )
 172         BUILDDIR=$(readlink -f "${OPTARG}")
 173         ;;
 174       c )
 175         CHANNEL="$OPTARG"
 176         ;;
 177       a )
 178         TARGETARCH="$OPTARG"
 179         ;;
 180       h )
 181         usage
 182         exit 0
 183         ;;
 184       \: )
 185         echo "'-$OPTARG' needs an argument."
 186         usage
 187         exit 1
 188         ;;
 189       * )
 190         echo "invalid command-line option: $OPTARG"
 191         usage
 192         exit 1
 193         ;;
 194     esac
 195   done
 196 }
 197
 198 #=========
 199 # MAIN
 200 #=========
 201
 202 SCRIPTDIR=$(readlink -f "$(dirname "$0")")
 203 OUTPUTDIR="${PWD}"
 204 STAGEDIR=$(mktemp -d -t deb.build.XXXXXX) || exit 1
 205 TMPFILEDIR=$(mktemp -d -t deb.tmp.XXXXXX) || exit 1
 206 DEB_CHANGELOG="${TMPFILEDIR}/changelog"
 207 DEB_FILES="${TMPFILEDIR}/files"
 208 DEB_CONTROL="${TMPFILEDIR}/control"
 209 CHANNEL="trunk"
 210 # Default target architecture to same as build host.
 211 if [ "$(uname -m)" = "x86_64" ]; then
 212   TARGETARCH="x64"
 213 else
 214   TARGETARCH="ia32"
 215 fi
 216
 217 # call cleanup() on exit
 218 trap cleanup 0
 219 process_opts "$@"
 220 BUILDDIR=${BUILDDIR:=$(readlink -f "${SCRIPTDIR}/../../../../out/Release")}
 221
 222 source ${BUILDDIR}/installer/common/installer.include
 223
 224 get_version_info
 225 VERSIONFULL="${VERSION}-${PACKAGE_RELEASE}"
 226
 227 if [ "$CHROMIUM_BUILD" = "_google_chrome" ]; then
 228   source "${BUILDDIR}/installer/common/google-chrome.info"
 229 else
 230   source "${BUILDDIR}/installer/common/chromium-browser.info"
 231 fi
 232 eval $(sed -e "s/^\([^=]\+\)=\(.*\)$/export \1='\2'/" \
 233   "${BUILDDIR}/installer/theme/BRANDING")
 234
 235 REPOCONFIG="deb http://dl.google.com/linux/chrome/deb/ stable main"
 236 SSLREPOCONFIG="deb https://dl.google.com/linux/chrome/deb/ stable main"
 237 verify_channel
 238
 239 # Some Debian packaging tools want these set.
 240 export DEBFULLNAME="${MAINTNAME}"
 241 export DEBEMAIL="${MAINTMAIL}"
 242
 243 # We'd like to eliminate more of these deps by relying on the 'lsb' package, but
 244 # that brings in tons of unnecessary stuff, like an mta and rpm. Until that full
 245 # 'lsb' package is installed by default on DEB distros, we'll have to stick with
 246 # the LSB sub-packages, to avoid pulling in all that stuff that's not installed
 247 # by default.
 248
 249 # Need a dummy debian/control file for dpkg-shlibdeps.
 250 DUMMY_STAGING_DIR="${TMPFILEDIR}/dummy_staging"
 251 mkdir "$DUMMY_STAGING_DIR"
 252 cd "$DUMMY_STAGING_DIR"
 253 mkdir debian
 254 touch debian/control
 255
 256 # Generate the dependencies,
 257 # TODO(mmoss): This is a workaround for a problem where dpkg-shlibdeps was
 258 # resolving deps using some of our build output shlibs (i.e.
 259 # out/Release/lib.target/libfreetype.so.6), and was then failing with:
 260 #   dpkg-shlibdeps: error: no dependency information found for ...
 261 # It's not clear if we ever want to look in LD_LIBRARY_PATH to resolve deps,
 262 # but it seems that we don't currently, so this is the most expediant fix.
 263 SAVE_LDLP=${LD_LIBRARY_PATH:-}
 264 unset LD_LIBRARY_PATH
 265 DPKG_SHLIB_DEPS=$(dpkg-shlibdeps -O "$BUILDDIR/chrome" | \
 266   sed 's/^shlibs:Depends=//')
 267 if [ -n "$SAVE_LDLP" ]; then
 268   LD_LIBRARY_PATH=$SAVE_LDLP
 269 fi
 270
 271 # Format it nicely and save it for comparison.
 272 # The grep -v is for a duplicate libc6 dep caused by Lucid glibc silliness.
 273 echo "$DPKG_SHLIB_DEPS" | sed 's/, /\n/g' | \
 274   grep -v '^libc6 (>= 2.3.6-6~)$' > actual
 275
 276 # Compare the expected dependency list to the generate list.
 277 BAD_DIFF=0
 278 diff "$SCRIPTDIR/expected_deps_$TARGETARCH" actual || BAD_DIFF=1
 279 if [ $BAD_DIFF -ne 0 ] && [ -z "${IGNORE_DEPS_CHANGES:-}" ]; then
 280   echo
 281   echo "ERROR: Shared library dependencies changed!"
 282   echo "If this is intentional, please update:"
 283   echo "chrome/installer/linux/debian/expected_deps_ia32"
 284   echo "chrome/installer/linux/debian/expected_deps_x64"
 285   echo
 286   exit $BAD_DIFF
 287 fi
 288 rm -rf "$DUMMY_STAGING_DIR"
 289
 290 # Additional dependencies not in the dpkg-shlibdeps output.
 291 # - Pull a more recent version of NSS than required by runtime linking, for
 292 #   security and stability updates in NSS.
 293 ADDITION_DEPS="ca-certificates, fonts-liberation, libappindicator1, libcurl3, \
 294   libnss3 (>= 3.14.3), lsb-base (>=3.2), xdg-utils (>= 1.0.2), wget"
 295
 296 # Fix-up libnspr dependency due to renaming in Ubuntu (the old package still
 297 # exists, but it was moved to "universe" repository, which isn't installed by
 298 # default).
 299 DPKG_SHLIB_DEPS=$(sed \
 300     's/\(libnspr4-0d ([^)]*)\), /\1 | libnspr4 (>= 4.9.5-0ubuntu0), /g' \
 301     <<< $DPKG_SHLIB_DEPS)
 302
 303 COMMON_DEPS="${DPKG_SHLIB_DEPS}, ${ADDITION_DEPS}"
 304 COMMON_PREDEPS="dpkg (>= 1.14.0)"
 305
 306
 307 # Make everything happen in the OUTPUTDIR.
 308 cd "${OUTPUTDIR}"
 309
 310 case "$TARGETARCH" in
 311   ia32 )
 312     export ARCHITECTURE="i386"
 313     stage_install_debian
 314     ;;
 315   x64 )
 316     export ARCHITECTURE="amd64"
 317     stage_install_debian
 318     ;;
 319   * )
 320     echo
 321     echo "ERROR: Don't know how to build DEBs for '$TARGETARCH'."
 322     echo
 323     exit 1
 324     ;;
 325 esac
 326
 327 do_package