gmail-backup-getmail

#!/bin/bash

[[ -e ./gmail-backup ]] && { echo "./gmail-backup exists! Please delete and run again." >&2; exit 1; }

host google.com >/dev/null || { echo "Not connected to the internet!" >&2; exit 1; }

inarray() { local n=$1 h; shift; for h; do [[ $n = "$h" ]] && return; done; return 1; } # Usage: inarray "$value" "${array[@]}"

for rc in ~/.getmail/rc/getmailrc-*; do
	email="$(grep username "$rc")"; email="${email#username = }"
	user="${email%%@*}"
	pass="$(grep password "$rc")"; pass="${pass#password = }"
	imap_tools/list_imap_folders.pl -S "imap.gmail.com:993/$email/$pass"|grep -v '^\[Gmail\]$' >./gmail-backup
	mapfile -t imapfolders <./gmail-backup
	[[ -d "/media/BC_320G/gmail/$user" ]] || mkdir "/media/BC_320G/gmail/$user"
	for folder in /media/BC_320G/gmail/"$user"/*; do
		if ! inarray "$folder" "${imapfolders[@]}"; then
			echo rm -r "$folder"
		fi
	done
	for label in "${imapfolders[@]}"; do
		echo -n "Backing up $user/$label "
		dir="/media/BC_320G/gmail/$user/$label"
		[[ -d "$dir" ]] || mkdir -p "$dir"/{cur,new,tmp}
		sed -i 's#mailboxes = (.*)#mailboxes = ("'"$label"'",)#' "$rc"
		sed -i 's#path = /media/BC_320G/gmail/.*#path = '"$dir"'/#' "$rc"
		getmail -r "$rc" |grep -v 'Charles Cazabon\|SimpleIMAP\|getmail version'
	done
	sed -i 's#mailboxes = (.*)#mailboxes = (none)#' "$rc"
	sed -i 's#path = /media/BC_320G/gmail/.*#path = /media/BC_320G/gmail/none/#' "$rc"
done

rm gmail-backup