Modernize invertergui: MQTT write support, HA integration, UI updates

vendor/github.com/prometheus/procfs/cpuinfo.go

@@ -1,4 +1,4 @@
-// Copyright 2019 The Prometheus Authors
+// Copyright The Prometheus Authors
 // 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
@@ -194,7 +194,7 @@ func parseCPUInfoARM(info []byte) ([]CPUInfo, error) {
 	firstLine := firstNonEmptyLine(scanner)
 	match, err := regexp.MatchString("^[Pp]rocessor", firstLine)
 	if !match || !strings.Contains(firstLine, ":") {
-		return nil, fmt.Errorf("%s: Cannot parse line: %q: %w", ErrFileParse, firstLine, err)
+		return nil, fmt.Errorf("%w: Cannot parse line: %q: %w", ErrFileParse, firstLine, err)
 
 	}
 	field := strings.SplitN(firstLine, ": ", 2)
@@ -386,7 +386,7 @@ func parseCPUInfoLoong(info []byte) ([]CPUInfo, error) {
 	// find the first "processor" line
 	firstLine := firstNonEmptyLine(scanner)
 	if !strings.HasPrefix(firstLine, "system type") || !strings.Contains(firstLine, ":") {
-		return nil, errors.New("invalid cpuinfo file: " + firstLine)
+		return nil, fmt.Errorf("%w: %q", ErrFileParse, firstLine)
 	}
 	field := strings.SplitN(firstLine, ": ", 2)
 	cpuinfo := []CPUInfo{}