src/chrome/installer/linux/common/apt.include

   1 @@include@@variables.include
   2
   3 APT_GET="`which apt-get 2> /dev/null`"
   4 APT_CONFIG="`which apt-config 2> /dev/null`"
   5
   6 SOURCES_PREAMBLE="### THIS FILE IS AUTOMATICALLY CONFIGURED ###
   7 # You may comment out this entry, but any other modifications may be lost.\n"
   8
   9 # Parse apt configuration and return requested variable value.
  10 apt_config_val() {
  11   APTVAR="$1"
  12   if [ -x "$APT_CONFIG" ]; then
  13     "$APT_CONFIG" dump | sed -e "/^$APTVAR /"'!d' -e "s/^$APTVAR \"\(.*\)\".*/\1/"
  14   fi
  15 }
  16
  17 # Install the repository signing key (see also:
  18 # http://www.google.com/linuxrepositories/aboutkey.html)
  19 install_key() {
  20   APT_KEY="`which apt-key 2> /dev/null`"
  21   if [ -x "$APT_KEY" ]; then
  22     "$APT_KEY" add - >/dev/null 2>&1 <<KEYDATA
  23 -----BEGIN PGP PUBLIC KEY BLOCK-----
  24 Version: GnuPG v1.4.2.2 (GNU/Linux)
  25
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  51 /FJG
  52 =Quqp
  53 -----END PGP PUBLIC KEY BLOCK-----
  54 KEYDATA
  55   fi
  56 }
  57
  58 # Set variables for the locations of the apt sources lists.
  59 find_apt_sources() {
  60   APTDIR=$(apt_config_val Dir)
  61   APTETC=$(apt_config_val 'Dir::Etc')
  62   APT_SOURCES="$APTDIR$APTETC$(apt_config_val 'Dir::Etc::sourcelist')"
  63   APT_SOURCESDIR="$APTDIR$APTETC$(apt_config_val 'Dir::Etc::sourceparts')"
  64 }
  65
  66 # Update the Google repository if it's not set correctly.
  67 # Note: this doesn't necessarily enable the repository, it just makes sure the
  68 # correct settings are available in the sources list.
  69 # Returns:
  70 # 0 - no update necessary
  71 # 2 - error
  72 update_bad_sources() {
  73   if [ ! "$REPOCONFIG" ]; then
  74     return 0
  75   fi
  76
  77   find_apt_sources
  78
  79   SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list"
  80   # Don't do anything if the file isn't there, since that probably means the
  81   # user disabled it.
  82   if [ ! -r "$SOURCELIST" ]; then
  83     return 0
  84   fi
  85
  86   # Basic check for active configurations (non-blank, non-comment lines).
  87   ACTIVECONFIGS=$(grep -v "^[[:space:]]*\(#.*\)\?$" "$SOURCELIST" 2>/dev/null)
  88
  89   # Check if the correct repository configuration is in there.
  90   REPOMATCH=$(grep "^[[:space:]#]*\b$REPOCONFIG\b" "$SOURCELIST" \
  91     2>/dev/null)
  92
  93   # Check if the correct repository is disabled.
  94   MATCH_DISABLED=$(echo "$REPOMATCH" | grep "^[[:space:]]*#" 2>/dev/null)
  95
  96   # Now figure out if we need to fix things.
  97   BADCONFIG=1
  98   if [ "$REPOMATCH" ]; then
  99     # If it's there and active, that's ideal, so nothing to do.
 100     if [ ! "$MATCH_DISABLED" ]; then
 101       BADCONFIG=0
 102     else
 103       # If it's not active, but neither is anything else, that's fine too.
 104       if [ ! "$ACTIVECONFIGS" ]; then
 105         BADCONFIG=0
 106       fi
 107     fi
 108   fi
 109
 110   if [ $BADCONFIG -eq 0 ]; then
 111     return 0
 112   fi
 113
 114   # At this point, either the correct configuration is completely missing, or
 115   # the wrong configuration is active. In that case, just abandon the mess and
 116   # recreate the file with the correct configuration. If there were no active
 117   # configurations before, create the new configuration disabled.
 118   DISABLE=""
 119   if [ ! "$ACTIVECONFIGS" ]; then
 120     DISABLE="#"
 121   fi
 122   printf "$SOURCES_PREAMBLE" > "$SOURCELIST"
 123   printf "$DISABLE$REPOCONFIG\n" >> "$SOURCELIST"
 124   if [ $? -eq 0 ]; then
 125     return 0
 126   fi
 127   return 2
 128 }
 129
 130 # Add the Google repository to the apt sources.
 131 # Returns:
 132 # 0 - sources list was created
 133 # 2 - error
 134 create_sources_lists() {
 135   if [ ! "$REPOCONFIG" ]; then
 136     return 0
 137   fi
 138
 139   find_apt_sources
 140
 141   SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list"
 142   if [ -d "$APT_SOURCESDIR" ]; then
 143     printf "$SOURCES_PREAMBLE" > "$SOURCELIST"
 144     printf "$REPOCONFIG\n" >> "$SOURCELIST"
 145     if [ $? -eq 0 ]; then
 146       return 0
 147     fi
 148   fi
 149   return 2
 150 }
 151
 152 # Remove our custom sources list file.
 153 # Returns:
 154 # 0 - successfully removed, or not configured
 155 # !0 - failed to remove
 156 clean_sources_lists() {
 157   if [ ! "$REPOCONFIG" ]; then
 158     return 0
 159   fi
 160
 161   find_apt_sources
 162
 163   rm -f "$APT_SOURCESDIR/@@PACKAGE@@.list" \
 164         "$APT_SOURCESDIR/@@PACKAGE@@-@@CHANNEL@@.list"
 165 }
 166
 167 # Detect if the repo config was disabled by distro upgrade and enable if
 168 # necessary.
 169 handle_distro_upgrade() {
 170   if [ ! "$REPOCONFIG" ]; then
 171     return 0
 172   fi
 173
 174   find_apt_sources
 175   SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list"
 176   if [ -r "$SOURCELIST" ]; then
 177     REPOLINE=$(grep -E "^[[:space:]]*#[[:space:]]*$REPOCONFIG[[:space:]]*# disabled on upgrade to .*" "$SOURCELIST")
 178     if [ $? -eq 0 ]; then
 179       sed -i -e "s,^[[:space:]]*#[[:space:]]*\($REPOCONFIG\)[[:space:]]*# disabled on upgrade to .*,\1," \
 180         "$SOURCELIST"
 181       LOGGER=$(which logger 2> /dev/null)
 182       if [ "$LOGGER" ]; then
 183         "$LOGGER" -t "$0" "Reverted repository modification: $REPOLINE."
 184       fi
 185     fi
 186   fi
 187 }
 188
 189 DEFAULT_ARCH="@@ARCHITECTURE@@"
 190
 191 get_lib_dir() {
 192   if [ "$DEFAULT_ARCH" = "i386" ]; then
 193     LIBDIR=lib/i386-linux-gnu
 194   elif [ "$DEFAULT_ARCH" = "amd64" ]; then
 195     LIBDIR=lib/x86_64-linux-gnu
 196   else
 197     echo Unknown CPU Architecture: "$DEFAULT_ARCH"
 198     exit 1
 199   fi
 200 }