view release on metacpan or  search on metacpan

lib/App/BorgRestore/PathTimeTable/DB.pm  view on Meta::CPAN

	# add any files/directories to the database. If the new path is a subpath
	# (substring actually) of the cached path, we can keep it only in the cache
	# and no flush is needed. Otherwise we need to flush all parts of the path
	# that are no longer contained in the new path.
	#
	# We start by checking the currently cached path ($old_cache_path) against
	# the new $path. Then we remove one part from the path at a time, until we
	# reach a parent path (directory) of $path.
	$log->tracef("Checking if cache invalidation is required") if TRACE;
	while ((my $slash_index = rindex($old_cache_path, "/")) != -1) {
		$self->{stats}->{cache_invalidation_loop_iterations}++;
		# Directories in the borg output cannot be differentiated by their
		# path, since their path looks just like a file path. I.e. there is no
		# directory separator (/) at the end of a directory path.
		#
		# Since we want to keep any directory in our cache, if it contains
		# $path, we can treat any cached path as a directory path. If the
		# cached path was really a directory, the new $path will also contain a
		# directory separator (/) between the old cached path (the parent
		# directory) and the new path (a subdirectory or a file in the
		# directory). If the cached path was not actually a directory,