chrome/tools/build/linux/chrome-wrapper

   1 #!/bin/bash
   2
   3 # Copyright (c) 2011 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 # Running Chromium via this script makes it possible to set Chromium as the
   8 # default browser directly out of a compile, without needing to package it.
   9
  10 DESKTOP="chromium-devel"
  11 TITLE="Chromium"
  12
  13 usage() {
  14   echo "$0 [--gdb] [--help] [--man-page] [--] [chrome-options]"
  15   echo
  16   echo "        --gdb                   Start within gdb"
  17   echo "        --help                  This help screen"
  18   echo "        --man-page              Open the man page in the tree"
  19 }
  20
  21 # Check to see if there is a desktop file of the given name.
  22 exists_desktop_file() {
  23     # Build a search list from $XDG_DATA_HOME and $XDG_DATA_DIRS, the latter
  24     # of which can itself be a colon-separated list of directories to search.
  25     search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
  26     IFS=:
  27     for dir in $search; do
  28         unset IFS
  29         [ "$dir" -a -d "$dir/applications" ] || continue
  30         [ -r "$dir/applications/$DESKTOP.desktop" ] && return
  31     done
  32     # Didn't find it in the search path.
  33     return 1
  34 }
  35
  36 # Checks a file to see if it's a 32 or 64-bit.
  37 check_executable() {
  38     out=$(file $(readlink -f $1) 2> /dev/null)
  39     echo $out | grep -qs "ELF 32-bit LSB"
  40     if [ $? = 0 ]; then
  41         echo 32
  42         return
  43     fi
  44     echo $out | grep -qs "ELF 64-bit LSB"
  45     if [ $? = 0 ]; then
  46         echo 64
  47         return
  48     fi
  49     echo neither
  50 }
  51
  52 # Generate a desktop file that will run this script.
  53 generate_desktop_file() {
  54     apps="${XDG_DATA_HOME:-$HOME/.local/share}/applications"
  55     mkdir -p "$apps"
  56     cat > "$apps/$DESKTOP.desktop" << EOF
  57 [Desktop Entry]
  58 Version=1.0
  59 Encoding=UTF-8
  60 Name=$TITLE
  61 Exec=$CHROME_WRAPPER %U
  62 Terminal=false
  63 Icon=$HERE/product_logo_48.png
  64 Type=Application
  65 Categories=Application;Network;WebBrowser;
  66 MimeType=text/html;text/xml;application/xhtml_xml;
  67 EOF
  68 }
  69
  70 # Let the wrapped binary know that it has been run through the wrapper.
  71 export CHROME_WRAPPER="`readlink -f "$0"`"
  72 export CHROME_DESKTOP="$DESKTOP.desktop"
  73
  74 HERE="`dirname "$CHROME_WRAPPER"`"
  75
  76 # We include some xdg utilities next to the binary, and we want to prefer them
  77 # over the system versions when we know the system versions are very old. We
  78 # detect whether the system xdg utilities are sufficiently new to be likely to
  79 # work for us by looking for xdg-settings. If we find it, we leave $PATH alone,
  80 # so that the system xdg utilities (including any distro patches) will be used.
  81 if ! which xdg-settings &> /dev/null; then
  82   # Old xdg utilities. Prepend $HERE to $PATH to use ours instead.
  83   export PATH="$HERE:$PATH"
  84 else
  85   # Use system xdg utilities. But first create mimeapps.list if it doesn't
  86   # exist; some systems have bugs in xdg-mime that make it fail without it.
  87   xdg_app_dir="${XDG_DATA_HOME:-$HOME/.local/share/applications}"
  88   mkdir -p "$xdg_app_dir"
  89   [ -f "$xdg_app_dir/mimeapps.list" ] || touch "$xdg_app_dir/mimeapps.list"
  90 fi
  91
  92 # Always use our ffmpeg and other shared libs.
  93 export LD_LIBRARY_PATH="$HERE:$HERE/lib:$HERE/lib.target${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
  94
  95 MISSING_LIBS=$(ldd "$HERE/chrome" 2> /dev/null |grep "not found$" | cut -d" " -f 1|sed 's/\t//')
  96 CHROME_ARCH=$(check_executable "$HERE/chrome")
  97 uname -m | grep -qs x86_64
  98 if [ $? = 1 ]; then
  99     LIBDIRS="/lib /lib32 /usr/lib /usr/lib32"
 100 else
 101     LIBDIRS="/lib64 /lib /usr/lib64 /usr/lib"
 102 fi
 103
 104 echo $MISSING_LIBS | grep -qs libbz2.so.1.0
 105 if [ $? = 0 ]; then
 106     for dir in $LIBDIRS
 107     do
 108         if [ -e "$dir/libbz2.so.1" ]; then
 109             LIB_ARCH=$(check_executable "$dir/libbz2.so.1")
 110             if [ "$CHROME_ARCH" = "$LIB_ARCH" ]; then
 111                 ln -snf "$dir/libbz2.so.1" "$HERE/libbz2.so.1.0"
 112                 break;
 113             fi
 114         fi
 115     done
 116 fi
 117
 118 for lib in libnspr4.so.0d libnss3.so.1d libnssutil3.so.1d libplc4.so.0d libplds4.so.0d libsmime3.so.1d libssl3.so.1d
 119 do
 120     echo $MISSING_LIBS | grep -qs $lib
 121     if [ $? = 0 ]; then
 122         reallib=$(echo $lib | sed 's/\.[01]d$//')
 123         for dir in $LIBDIRS
 124         do
 125             if [ -e "$dir/$reallib" ]; then
 126                 LIB_ARCH=$(check_executable "$dir/$reallib")
 127                 if [ "$CHROME_ARCH" = "$LIB_ARCH" ]; then
 128                     ln -snf "$dir/$reallib" "$HERE/$lib"
 129                     break;
 130                 fi
 131             fi
 132         done
 133     fi
 134 done
 135
 136 # Custom version string for this release. This can be used to add a downstream
 137 # vendor string or release channel information.
 138 export CHROME_VERSION_EXTRA="custom"
 139
 140 exists_desktop_file || generate_desktop_file
 141
 142 CMD_PREFIX=
 143 ARGS=()
 144 while [ "$#" -gt 0 ]; do
 145     case "$1" in
 146     "--")
 147         shift
 148         break ;;
 149     "--gdb")
 150         CMD_PREFIX="gdb --args" ;;
 151     "--help")
 152         usage
 153         exit 0 ;;
 154     "--man-page")
 155         exec man "$HERE/../../chrome/app/resources/manpage.1.in" ;;
 156     *)
 157         ARGS=( "${ARGS[@]}" "$1" ) ;;
 158     esac
 159     shift
 160 done
 161 set -- "${ARGS[@]}" "$@"
 162
 163 exec $CMD_PREFIX "$HERE/chrome" "$@"