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#!/bin/bash
###################################################################################################
# drive-version
###################################################################################################
# Copyright 2017-2023 Jean-Christophe Manciot <jcmanciot@sdxlive.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
# in compliance with the License. You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# This script is using a project hosted at https://github.com/odeke-em/drive, originally developed
# by Burcu Dogan while working on the Google Drive team and now maintained by Emmanuel T Odeke.
#
# Attribution — You must give appropriate credit, provide a link to the license, and indicate if
# changes were made. You may do so in any reasonable manner, but not in any way that
# suggests the licensor endorses you or your use.
###################################################################################################
###################################################################################################
#
# Showing current versions of drive, drive-google scripts and all main related packages.
#
###################################################################################################
#
# Requirements:
# ------------
#
# - We assume that:
# + drive-google package is already installed.
# + apt, coreutils, sed & zenity packages are already installed.
#
# - This command must be called from within your local Google drive folder(s).
#
###################################################################################################
#
# Parameters:
# ----------
#
# - <anything> will display this help message
#
###################################################################################################
#
# Usage example:
# -------------
#
# cd ~/<google_drive_folder>
# drive-version
#
###################################################################################################
if [[ $LOG_DRIVE_VERSION == ON ]]; then
# Getting the last existing file descriptor of ~/.drive-google/logs/drive-google.log
fd=$(ls -al /proc/$$/fd | grep ~/.drive-google/logs/drive-google.log | sed -E 's|^.* ([0-9]+) -> .*$|\1|g' | sort -V | tail -n 1)
# Case where fd is unset, i.e the file ~/.drive-google/logs/drive-google.log has not yet been opened
if [[ -z $fd ]]; then
lowest_unused_fd ()
{
local fd=0
while [ -e /proc/$$/fd/${fd} ]; do
fd=$((fd+1))
done
echo $fd
}
fd=$(lowest_unused_fd)
# Opening ~/.drive-google/logs/drive-google.log as file descriptor $fd for appending
eval "exec $fd>> ~/.drive-google/logs/drive-google.log"
fi
# Writing the trace output generated when set -x is enabled to file descriptor $fd
eval "BASH_XTRACEFD=$fd"
# Logging line numbers - We could also use ${0} for ${BASH_SOURCE}
BASH_SOURCE_BASENAME=$(basename ${BASH_SOURCE})
export PS4='${BASH_SOURCE_BASENAME}.${LINENO}+ '
# Expanding all variables and prints the full commands before output of the command
set -x
fi
# Preventing globbing (pathname expansion)
set -o noglob
# Allowing extended globbing
shopt -s extglob
# Expanding aliases
shopt -s expand_aliases
# Including alias definitions to sed/grep/awk/perl commands for readability sake
. /usr/include/drive-google/aliases
# Checking for no parameter
if [[ $# -eq 0 ]]; then
> .driveoutput.log
printf '%b\n' "-----" >> .driveoutput.log
printf '%b\n' "drive" >> .driveoutput.log
printf '%b\n' "-----" >> .driveoutput.log
output=$(drive version 2>&1)
# Saving $output in temporary .driveoutput.log file after having escaped all "escape sequences"
printf '%b\n' "$output" | escape_escape_sequences >> .driveoutput.log
printf '%b\n' "--------------------" >> .driveoutput.log
printf '%b\n' "drive-google scripts" >> .driveoutput.log
printf '%b\n' "--------------------" >> .driveoutput.log
drive_google_version=$(apt-cache -q=0 2>&1 policy drive-google | grep Installed | sed -E 's|^.*?: (.*)$|\1|g' | cut -d ':' -f 2)
output="drive-google version:\t${drive_google_version}"
# Saving $output in temporary .driveoutput.log file after having escaped all "escape sequences"
printf '%b\n' "$output" | escape_escape_sequences >> .driveoutput.log
bash_version=$(bash --version | head -n 1)
output="bash version:\t\t${bash_version}"
# Saving $output in temporary .driveoutput.log file after having escaped all "escape sequences"
printf '%b\n' "$output" | escape_escape_sequences >> .driveoutput.log
cat .driveoutput.log | zenity --text-info --title "Showing current drive & drive-google versions" --width 950 --height 450
rm .driveoutput.log
exit 0
else
# Any parameter
end_of_help_message_line_number=$(awk '/^if \[\[ \$LOG_/{ print NR; exit }' $(which drive-version))
((end_of_help_message_line_number--))
awk -v var=$end_of_help_message_line_number 'NR >= 20 && NR <= var' $(which drive-version) | zenity --text-info --title "drive-version help" --width 1150 --height 1000
exit 1
fi
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