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290 lines
9.1 KiB
290 lines
9.1 KiB
3 years ago
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#!/usr/bin/env bash
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#
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# GNU/Linux does not really require something like RelativeLink.c
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# However, we do want to have the same look and feel with similar features.
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#
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# Copyright 2017 The Tor Project. See LICENSE for licensing information.
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complain_dialog_title="I2Pd Browser"
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# Make sure this script wasn't started as 'sh start-i2pd-browser' or similar.
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if [ "x$BASH" = "x" ]; then
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echo "$complain_dialog_title should be started as './start-i2pd-browser'"
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echo "Exiting." >&2
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exit 1;
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fi
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# Do not (try to) connect to the session manager
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unset SESSION_MANAGER
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# Complain about an error, by any means necessary.
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# Usage: complain message
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# message must not begin with a dash.
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complain () {
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# Trim leading newlines, to avoid breaking formatting in some dialogs.
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complain_message="`echo "$1" | sed '/./,$!d'`"
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# If we're being run in debug/verbose mode, complain to stderr.
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if [ "$show_output" -eq 1 ]; then
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echo "$complain_message" >&2
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return
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fi
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# Otherwise, we're being run by a GUI program of some sort;
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# try to pop up a message in the GUI in the nicest way
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# possible.
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#
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# In mksh, non-existent commands return 127; I'll assume all
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# other shells set the same exit code if they can't run a
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# command. (xmessage returns 1 if the user clicks the WM
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# close button, so we do need to look at the exact exit code,
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# not just assume the command failed to display a message if
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# it returns non-zero.)
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# First, try zenity.
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zenity --error \
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--title="$complain_dialog_title" \
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--text="$complain_message"
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if [ "$?" -ne 127 ]; then
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return
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fi
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# Try kdialog.
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kdialog --title "$complain_dialog_title" \
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--error "$complain_message"
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if [ "$?" -ne 127 ]; then
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return
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fi
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# Try xmessage.
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xmessage -title "$complain_dialog_title" \
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-center \
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-buttons OK \
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-default OK \
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-xrm '*message.scrollVertical: Never' \
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"$complain_message"
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if [ "$?" -ne 127 ]; then
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return
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fi
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# Try gxmessage. This one isn't installed by default on
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# Debian with the default GNOME installation, so it seems to
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# be the least likely program to have available, but it might
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# be used by one of the 'lightweight' Gtk-based desktop
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# environments.
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gxmessage -title "$complain_dialog_title" \
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-center \
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-buttons GTK_STOCK_OK \
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-default OK \
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"$complain_message"
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if [ "$?" -ne 127 ]; then
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return
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fi
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}
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if [ "`id -u`" -eq 0 ]; then
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complain "The I2Pd Browser Bundle should not be run as root. Exiting."
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exit 1
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fi
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if test -r /proc/cpuinfo && ! grep -q '^flags\s*:.* sse2' /proc/cpuinfo; then
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complain "I2Pd Browser requires a CPU with SSE2 support. Exiting."
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exit 1
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fi
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tbb_usage () {
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printf "\nI2Pd Browser Script Options\n"
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printf " --verbose Display Firefox output in the terminal\n"
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printf " --log [file] Record Firefox output in file (default: i2pd-browser.log)\n"
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printf " --detach Detach from terminal and run I2Pd Browser in the background.\n"
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printf " --register-app Register I2Pd Browser as a desktop app for this user\n"
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printf " --unregister-app Unregister I2Pd Browser as a desktop app for this user\n"
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}
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log_output=0
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show_output=0
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detach=0
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show_usage=0
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register_desktop_app=0
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logfile=/dev/null
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while :
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do
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case "$1" in
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--detach)
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detach=1
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shift
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;;
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-v | --verbose | -d | --debug)
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show_output=1
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verbose_arg="$2"
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shift
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;;
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-h | "-?" | --help | -help)
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show_usage=1
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show_output=1
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shift
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;;
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-l | --log)
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if [ -z "$2" -o "${2:0:1}" == "-" ]; then
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printf "Logging I2Pd Browser debug information to i2pd-browser.log\n"
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logfile="../i2pd-browser.log"
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elif [ "${2:0:1}" == "/" -o "${2:0:1}" == "~" ]; then
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printf "Logging I2Pd Browser debug information to %s\n" "$2"
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logfile="$2"
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shift
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else
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printf "Logging I2Pd Browser debug information to %s\n" "$2"
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logfile="../$2"
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shift
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fi
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log_output=1
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shift
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;;
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--register-app)
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register_desktop_app=1
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show_output=1
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shift
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;;
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--unregister-app)
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register_desktop_app=-1
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show_output=1
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shift
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;;
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*) # No more options
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break
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;;
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esac
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done
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# We can't detach and show output at the same time..
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if [ "$show_output" -eq 1 -a "$detach" -eq 1 ]; then
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detach=0
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fi
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if [ "$show_output" -eq 0 ]; then
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# If the user hasn't requested 'debug mode' or --help, close stdout and stderr,
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# to keep Firefox and the stuff loaded by/for it (including the
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# system's shared-library loader) from printing messages to
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# $HOME/.xsession-errors or other files. (Users wouldn't have seen
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# messages there anyway.)
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exec > "$logfile"
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exec 2> "$logfile"
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fi
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# If XAUTHORITY is unset, set it to its default value of $HOME/.Xauthority
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# before we change HOME below. (See xauth(1) and #1945.) XDM and KDM rely
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# on applications using this default value.
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if [ -z "$XAUTHORITY" ]; then
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XAUTHORITY=~/.Xauthority
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export XAUTHORITY
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fi
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# If this script is being run through a symlink, we need to know where
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# in the filesystem the script itself is, not where the symlink is.
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myname="$0"
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if [ -L "$myname" ]; then
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# XXX readlink is not POSIX, but is present in GNU coreutils
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# and on FreeBSD. Unfortunately, the -f option (which follows
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# a whole chain of symlinks until it reaches a non-symlink
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# path name) is a GNUism, so we have to have a fallback for
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# FreeBSD. Fortunately, FreeBSD has realpath instead;
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# unfortunately, that's also non-POSIX and is not present in
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# GNU coreutils.
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#
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# If this launcher were a C program, we could just use the
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# realpath function, which *is* POSIX. Too bad POSIX didn't
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# make that function accessible to shell scripts.
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# If realpath is available, use it; it Does The Right Thing.
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possibly_my_real_name="`realpath "$myname" 2>/dev/null`"
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if [ "$?" -eq 0 ]; then
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myname="$possibly_my_real_name"
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else
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# realpath is not available; hopefully readlink -f works.
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myname="`readlink -f "$myname" 2>/dev/null`"
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if [ "$?" -ne 0 ]; then
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# Ugh.
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complain "start-i2pd-browser cannot be run using a symlink on this operating system."
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fi
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fi
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fi
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# Try to be agnostic to where we're being started from, chdir to where
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# the script is.
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mydir="`dirname "$myname"`"
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test -d "$mydir" && cd "$mydir"
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# If ${PWD} results in a zero length string, we can try something else...
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if [ ! "${PWD}" ]; then
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# "hacking around some braindamage"
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PWD="`pwd`"
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surveysays="This system has a messed up shell.\n"
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fi
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# This is a fix for an ibus issue on some Linux systems. See #9353 for more
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# details. The symlink needs to be created before we change HOME.
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if [ ! -d ".config/ibus" ]; then
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mkdir -p .config/ibus
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ln -nsf ~/.config/ibus/bus .config/ibus
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fi
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# Fix up .desktop Icon and Exec Paths, and update the .desktop file from the
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# canonical version if it was changed by the updater.
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cp start-i2pd-browser.desktop ../
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sed -i -e "s,^Name=.*,Name=I2Pd Browser,g" ../start-i2pd-browser.desktop
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sed -i -e "s,^Icon=.*,Icon=$PWD/browser/chrome/icons/default/default128.png,g" ../start-i2pd-browser.desktop
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sed -i -e "s,^Exec=.*,Exec=sh -c '\"$PWD/start-i2pd-browser\" --detach || ([ ! -x \"$PWD/start-i2pd-browser\" ] \&\& \"\$(dirname \"\$*\")\"/Browser/start-i2pd-browser --detach)' dummy %k,g" ../start-i2pd-browser.desktop
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if [ "$register_desktop_app" -eq 1 ]; then
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mkdir -p "$HOME/.local/share/applications/"
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cp ../start-i2pd-browser.desktop "$HOME/.local/share/applications/"
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update-desktop-database "$HOME/.local/share/applications/"
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printf "I2Pd Browser has been registered as a desktop app for this user in ~/.local/share/applications/\n"
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exit 0
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fi
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if [ "$register_desktop_app" -eq -1 ]; then
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if [ -e "$HOME/.local/share/applications/start-i2pd-browser.desktop" ]; then
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rm -f "$HOME/.local/share/applications/start-i2pd-browser.desktop"
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update-desktop-database "$HOME/.local/share/applications/"
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printf "I2Pd Browser has been removed as a user desktop app (from ~/.local/share/applications/)\n"
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else
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printf "I2Pd Browser does not appear to be a desktop app (not present in ~/.local/share/applications/)\n"
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fi
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exit 0
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fi
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HOME="${PWD}"
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export HOME
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# Avoid overwriting user's dconf values. Fixes #27903.
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export GSETTINGS_BACKEND=memory
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cd "${HOME}"
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# We pass all additional command-line arguments we get to Firefox.
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#
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# The --class parameter was added to fix bug 11102.
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if [ "$show_usage" -eq 1 ]; then
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# Display Firefox help, then our help
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./firefox --class "I2Pd Browser" \
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-profile data --help 2>/dev/null
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tbb_usage
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elif [ "$detach" -eq 1 ] ; then
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./firefox --class "I2Pd Browser" \
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-profile data "${@}" > "$logfile" 2>&1 </dev/null &
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disown "$!"
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elif [ "$log_output" -eq 1 -a "$show_output" -eq 1 ]; then
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./firefox --class "I2Pd Browser" \
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-profile data "${@}" 2>&1 </dev/null | \
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tee "$logfile"
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elif [ "$show_output" -eq 1 ]; then
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./firefox --class "I2Pd Browser" \
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-profile data "${@}" < /dev/null
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else
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./firefox --class "I2Pd Browser" \
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-profile data "${@}" > "$logfile" 2>&1 </dev/null
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fi
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exit $?
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