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|
#!/bin/bash
###################################################################################################
# .drive-push-unsynced
###################################################################################################
# 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.
###################################################################################################
###################################################################################################
#
# Pushing (uploading) recursively all the files/folders (objects) listed in .driveselect under the
# section [push] onto the current directory's remote equivalent on your Google Drive.online.
# This operation:
# - updates only unsynced objects that exist remotely with their local counterpart.
# - uploads only unsynced objects that do not exist remotely but do locally,
# - **does not** delete remote objects that exist remotely but are not present locally,
# except when there are children folders.
# The scale of the operation depends on the depth setting in your <google_drive_folder>/.driverc.
# The list of objects affected by this operation can be optionnaly filtered by
# <google_drive_folder>/.driveignore.
#
###################################################################################################
#
# Requirements:
# ------------
#
# - We assume that:
# + drive-google package is already installed.
# + coreutils, perl-base, sed & zenity packages are already installed.
#
# - **This is an internal script called by drive-sync when necessary.**
#
# - <google_drive_folder>/.driverc:it must be properly setup, either manually or with drive-setup,
# with the following settings:
# * depth=
# + -1: an infinite traversal depth, i.e recursive traversal from the current working
# directory until there is no more child folder
# + non-zero number: a fixed traversal depth
# * ignore-checksum=
# + true: objects checksum is not verified
# + false: objects checksum is verified
# * encryption-password="<your_secret>": drive optionally encrypts all pushed objects at rest
# on your Google Drive
# * ...: cf. https://github.com/odeke-em/drive for a complete list of available
# options. They can only be set manually through .driverc or through drive-setup for
# the sake of simplicity.
# Cf. /etc/drive-google/.driverc for some examples.
#
# - <google_drive_folder>/.driveignore: it may be used to exclude/include some objects from the
# scope of the current drive-<command> by using regular
# expressions.
# Cf. /etc/drive-google/.driveignore for its format & some
# examples.
#
# - ./.driveselect: it may be used to include/exclude the objects from the scope of the current
# drive-<command>.
# Cf. /etc/drive-google/.driveselect for its format & some examples.
#
###################################################################################################
#
# Parameters:
# ----------
#
# - <message> is used in the interactive GUI windows
#
# - -<anything> will display this help message
#
###################################################################################################
#
# Notes:
# -----
#
# - One must be **cautious** with this command: a list of potentially affected objects will be
# printed before the actual operation.
# Previous online versions remain available though in "version 1" of each overridden object.
#
# - This command must be used when **recursively found local objects are newer or more important than
# their online counterparts.**
# In other words, run this command when **your local Google Drive is the master**.
#
# - Running this command pushes some local objects online; its speed is proportional to:
# + the number of different objects recursively found
# + the size of those local objects recursively pushed online.
# + the end-to-end bandwidth, latency & quality of your current Internet connection to your
# Google Drive online.
#
###################################################################################################
if [[ $LOG_DRIVE_PUSH_UNSYNCED == ON ]]; then
# Getting the last existing file descriptor of ~/.drive-google/logs/drive-google.log
fd=$(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
#------------------------------------push-objects--------------------------------------------------
# Pushing all objects listed in ${filtered_objects[@]}
# Usage: push-objects | zenity --progress --percentage=0 --auto-close
# Return strings which feed 'zenity --progress'
# - "# Pushing $object at ${speed_eta[0]}/s ETA: ${speed_eta[1]}"
# - "$current_percentage"
# The function uses the global array variable:
# - "${filtered_objects[@]}"
function push-objects ()
{
# Initializing:
# - starting point of the operation in seconds
# - elapsed time since the operation has started in seconds
# - current size of pushed objects so far,
# - current speed & estimated time of arrival so far,
# - current percentage of pushed objects so far,
# - total size of all objects to be pushed,
# - current objects number to be pushed.
# - boolean used in issue #876 - #848 workaround
# - array used in issue #876 - #848 workaround
# - index used in issue #876 - #848 workaround
start=0
elapsed_time=0
current_size=0
speed_eta=()
current_percentage=0
total_size=0
current_objects_number=0
push_folders=false
folders=()
folders_index=0
# Computing total size of all objects
for object in "${filtered_objects[@]}"
do
# Getting the object size in bytes
object_size=$(.drive-compute-object-size "$object")
let "total_size += $object_size"
done
start=$SECONDS
for object in "${filtered_objects[@]}"
do
((current_objects_number++))
# Getting the object size in bytes
object_size=$(.drive-compute-object-size "$object")
# Removing leading object stats
object=$(echo "$object" | rm_object_stats)
# Feeding 'zenity --progress'
if [[ ($current_objects_number -ne 1) && (${speed_eta[0]} != "0.00b") ]]; then
LC_ALL=C printf '%s %s%s %s\n' "# Pushing $object" "at ${speed_eta[0]}" "/s" "ETA: ${speed_eta[1]}"
else
# $current_size is 0
LC_ALL=C printf '%s\n' "# Pushing $object"
fi
# Removing all occurrences of '&' in $object as a workaround to a markup ampersand issue with zenity
noamp_object=$(echo "${object}" | rm_ampersand)
# While there is a connection error and the user wants to continue trying
while :
do
if [[ $push_folders == 'false' ]]; then
# Pushing the $object
unset output
output=$(drive push -force -no-prompt -depth 0 -verbose "$object" 2>&1)
else
# Working around issue #876 - #848
(( folders_index-- ))
if [[ $folders_index -ge 0 ]]; then
# Pushing one of the object parent folders
unset output
output=$(drive push -force -no-prompt -depth 0 -verbose "${folders[$folders_index]}" 2>&1)
else
# We have pushed all object parent folders
# Trying again to push the $object
push_folders=false
continue
fi
fi
# Checking $output
if [[ "${output[@]}" =~ 'set to be ignored yet is being processed' ]]; then
output="Ignored:\t\t${object}"
elif [[ "${output[@]}" =~ 'Get https://www.googleapis.com/drive/' ]]; then
# Connection error
# Displaying the error
zenity --error --title "Connection error accessing your Google Drive online in ${noamp_local_folder}" --text="${noamp_object}\n\nCould not connect to https://www.googleapis.com/drive/v2/files or/nor to https://accounts.google.com/o/oauth2/token" --width 1400
zenity --question --title "Connection error accessing your Google Drive online in ${noamp_local_folder}" --text="${noamp_object}\n\nDo you want to abort current drive operation?" --width 1400
if [[ $? -eq 1 ]]; then
# Continuing trying
continue
elif [[ $? -eq 0 ]]; then
# Aborting
exit 9
fi
elif [[ "${output[@]}" =~ "doesn't exist" ]]; then
output="Absent:\t\t\t${object}"
elif [[ "${output[@]}" =~ "local is a directory while remote is a file" ]]; then
output="Inconsistent types:\t${object}"
elif [[ "${output[@]}" =~ "local is a file while remote is a directory" ]]; then
output="Inconsistent types:\t${object}"
elif [[ "${output[@]}" =~ 'Everything is up-to-date'\. ]]; then
# This should never happen here: we have most probably hit drive issue #876 - #848
# unless we are already working around it'
# https://github.com/odeke-em/drive/issues/876
if [[ $push_folders == 'false' ]]; then
# Workaround is to push all parent folders
# Getting the list of all parent folders
push_folders=true
folders[$folders_index]=$(dirname "$object")
while [[ "${folders[$folders_index]}" != '.' ]]
do
(( folders_index++ ))
folders[$folders_index]=$(dirname "${folders[`expr ${folders_index} - 1`]}")
done
unset folders[- 1]
fi
continue
elif [[ "${output[@]}" =~ Resolving\.\.\. ]]; then
output="Pushed:\t\t\t${object}"
else
output="??????:\t\t\t${object}"
fi
if [[ (("$output" =~ 'Pushed') || ("$output" =~ 'Already synced')) && ($push_folders == 'false') ]]; then
# Adding the object size to the current size of pushed objects so far
let "current_size += $object_size"
elapsed_time=$(( SECONDS - start ))
# Computing speed & estimated time of arrival
readarray -t speed_eta < <(.drive-compute-speed-eta $current_size $total_size $elapsed_time)
# Computing the current percentage of pushed objects
current_percentage=$(echo "scale=4; (${current_size}/${total_size})*100" | bc)
# Feeding 'zenity --progress'
LC_ALL=C printf '%.2f\n' "$current_percentage"
fi
if [[ $push_folders == 'false' ]]; then
# We're done
break
fi
done
# Saving $output in temporary .driveoutput.log file after having escaped all "escape sequences"
printf '%b\n' "$output" | escape_escape_sequences >> .driveoutput.log
done
}
#-----------------------------------.drive-push-unsynced-------------------------------------------
message=$1
if [[ ! "$message" =~ ^- ]]; then
local_folder="$(pwd)"
# Removing all occurrences of '&' in $object as a workaround to a markup ampersand issue with zenity
noamp_local_folder="$(echo "${local_folder}" | rm_ampersand)"
# Finding local root Google Drive folder
gd_root_folder="$(.drive-find-gd)"
return_code=$?
# Removing all occurrences of '&' in $gd_root_folder as a workaround to a markup ampersand issue with zenity
noamp_gd_root_folder="$(echo "${gd_root_folder}" | rm_ampersand)"
case $return_code in
0)
# Everything is fine - we continue
;;
7)
zenity --warning --title "Drive context found in $noamp_gd_root_folder" --text="We have moved to $noamp_gd_root_folder\n\nIf you prefer to select another Google Drive folder:\n\t--> 'Change local folder' in drive-menu" --width 1400
cd "$gd_root_folder"
local_folder="$(pwd)"
# Removing all occurrences of '&' in $object as a workaround to a markup ampersand issue with zenity
noamp_local_folder="$(echo "${local_folder}" | rm_ampersand)"
;;
8)
zenity --error --title "No drive context found below and above $noamp_local_folder" --text="- either drive has not been initialized properly (at least one hop away from '/') with:\n\t--> '# drive init google_drive_folder' within a terminal\n- or we are not located below your google_drive_folder top level branch:\n\t--> 'Change local folder' in drive-menu" --width 1400
exit $return_code
;;
*)
# Something is fatally wrong
zenity --error --title "Fatal error in drive-menu" --text="\tUnknown return code from .drive-find-gd: $return_code\n\nPlease report that issue to: https://gitlab.com/jean-christophe-manciot/Drive/issues" --width 1200
exit 99
;;
esac
# Filtering & sorting the objects list
filtered_objects=()
readarray -t filtered_objects < <(.drive-select-objects 'select_file' 'push')
if [[ ${#filtered_objects[@]} -eq 0 ]]; then
zenity --warning --title "Pushing 0 $message" --text="None needs to be pushed" --width=1400
exit 0
fi
# Purging the section [push] in the file .driveselect
.drive-write-driveselect push "${null[@]}"
printf '%s\n' "${filtered_objects[@]}" | zenity --text-info --title "Do you confirm pushing ${#filtered_objects[@]} $message?" --width 1800 --height 800
if [[ ${PIPESTATUS[1]} -eq 0 ]]; then
# OK has been selected
> .driveoutput.log
# Pushing all objects listed in ${filtered_objects[@]}
push-objects | zenity --progress --percentage=0 --auto-close --title="Pushing ${#filtered_objects[@]} $message" --width 1800
readarray -t pushed_objects < <(cat .driveoutput.log | select_Pushed)
cat .driveoutput.log | zenity --text-info --title "Pushed ${#pushed_objects[@]}/${#filtered_objects[@]} $message" --width 1800 --height 800
rm .driveoutput.log
else
zenity --warning --title "Do you confirm pushing ${#filtered_objects[@]} $message?" --text="Operation cancelled" --width 1400
fi
exit 0
else
# Any -parameter
end_of_help_message_line_number=$(awk '/^if \[\[ \$LOG_/{ print NR; exit }' $(which drive-push))
((end_of_help_message_line_number--))
awk -v var=$end_of_help_message_line_number 'NR >= 20 && NR <= var' $(which drive-push) | zenity --text-info --title "drive-push help" --width 1125 --height 1000
exit 1
fi
|