tel-update

#!/usr/bin/env bash
# TEL updater
tel_update_version=0.14
update_message="Updates!! :D" #displayed by anisay
source ~/../usr/bin/tel-helpers
log " v$tel_update_version"
update_permissions="true"
remove_data='false'
if [ -z "$1" ] ; then
	user_option='--update'
else
	user_option="$1"
fi

if [ "$user_option" == '-h' ] || [ "$user_option" == '--help' ] ; then
	echo 'usage: tel-setup [OPTION]
	--help 		display this help info
	--version	display version
	--update	get latest bin updates (default)
	--full		get latest release updates (destructive)
	--reset 	setup fresh release version (destructive)
	--dev 		setup developer version (destructive)
	--custom	setup from custom branch (destructive)
	--extras	run extras installer'
	exit 0
elif [ "$user_option" == '-v' ] || [ "$user_option" == '--version' ] ; then
	exit 0
elif [ "$user_option" == '--update' ] ; then
	log "Getting updates"
	branch='master'
	update_permissions='false'
elif [ "$user_option" == '--full' ] ; then
	log "Getting release changes"
	branch='master'
	update_permissions='false'
	remove_user_data="true"
elif [ "$user_option" == '--setup' ] ; then
	log "Getting release changes"
	branch='master'
	update_permissions='false'
elif [ "$user_option" == '--dev' ] ; then
	log "Getting dev changes"
	branch='dev'
	remove_data_prompt
	update_permissions='false'
elif [ "$user_option" == '--custom' ] ; then
	log "Which branch do you want to setup? e.g: staging"
	read -r branch
	remove_data_prompt
	log "Getting $branch changes"
elif [ "$user_option" == '--reset' ] ; then
	log "Resetting & getting release changes"
	branch='master'
	remove_data_prompt
elif [ "$user_option" == '--extras' ] ; then
	if [ ! -f "$HOME/.tel/.installed" ]; then
		error 'Extras can only be installed after TEL has been setup'
		exit 1
	fi
	log "launching extras installer..."
	~/.tel/scripts/extras_installer.sh
	exit 0
elif [ -n "$user_option" ] ; then #user picked non option
	error "Unrecognised input option..."
	error "try 'tel-setup --help' to see availible options"
	exit 1
else
	log "Getting release changes"
	branch='master'
fi

check_connection 

if [ ! -f "$HOME/.tel/.installed" ]; then
	pkg install wget unzip coreutils git -y 2>&1 || exit_error 'failed to download required setup utils'
fi

cd ~/../usr/ || exit_error 'fatal error path does not exist: ~/../usr/' 
rm -rf $TMPDIR/tel-update > /dev/null 2>&1 #incase last run failed with partial download 
mkdir $TMPDIR/tel-update

# t-e-l/bin is always updated 
git clone --quiet -b main --depth=1 https://github.com/t-e-l/bin $TMPDIR/tel-update/bin || exit_error 'Failed to download latest bins'
rm -f $TMPDIR/tel-update/bin/README.md >/dev/null
diff -q $TMPDIR/tel-update/bin ~/../usr/bin >/dev/null 2>&1
if [ $? -ne 0 ] ; then
	updates_to_bins='true'
else
	updates_to_bins='false'
fi

# Has updater been updated??? #
diff -q $TMPDIR/tel-update/bin/tel-update ~/../usr/bin/tel-update >/dev/null 2>&1
if [ $? -ne 0 ] ; then
	#tel-update has been changed, restart update process!
	log "new version of tel-update aquired - restarting the update process"
	catch $(cp -rf $TMPDIR/tel-update/bin/tel-update ~/../usr/bin/)
	rm -rf $TMPDIR/tel-update > /dev/null 2>&1 #incase last run failed with partial download 
       	tel-update $user_option
	exit 0
fi

[[ "$remove_user_data" == "true" ]] && remove_data_prompt
# Move Files #
shopt -u dotglob # (include dotfiles in cp -r * globbing)
catch $(cp -rf $TMPDIR/tel-update/bin/* ~/../usr/bin/) # files in ~/../usr/bin are preferred by tel over files in ~/.tel/bin 
if [ "$user_option" != '--update' ] ; then
	git clone --quiet -b $branch --depth=1 https://github.com/t-e-l/bootstrap-changes $TMPDIR/tel-update/bootstrap-changes || exit_error 'Failed to download update'
	rm -f $TMPDIR/tel-update/bootstrap-changes/README.md >/dev/null
	[[ -d ~/bin ]] || mkdir ~/bin
	catch $(cp -rf $TMPDIR/tel-update/bootstrap-changes/tel/bin/* ~/bin/) 
	catch $(cp -rf $TMPDIR/tel-update/bootstrap-changes/tel/.??* ~/)
	catch $(cp -rf $TMPDIR/tel-update/bootstrap-changes/etc/* ~/../usr/etc/)
	if [ "$updates_to_bins" == 'true' ]; then
		echo "$update_message" > ~/.tel/.updated ### FLAG for startup.sh
	else
		echo "Welcome back!" > ~/.tel/.updated ### FLAG for startup.sh
	fi
fi
rm -rf $TMPDIR/tel-update > /dev/null 2>&1 # cleanup
rm -rf ~/../usr/etc/motd > /dev/null 2>&1 #remove from bootstrapchanges repo?


# PERMISSIONS
[[ "$update_permissions" == "true" ]] && fix_permissions
log 'Finished applying updates'
exit 0