removed multiple warnings when device name not found

go.mod

@@ -3,6 +3,7 @@ module syncthing-map
 go 1.19
 
 require (
+	github.com/deckarep/golang-set/v2 v2.1.0
 	github.com/go-chi/chi/v5 v5.0.8
 	github.com/rs/zerolog v1.28.0
 	github.com/urfave/cli/v2 v2.23.7

go.sum

@@ -1,6 +1,8 @@
 github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/deckarep/golang-set/v2 v2.1.0 h1:g47V4Or+DUdzbs8FxCCmgb6VYd+ptPAngjM6dtGktsI=
+github.com/deckarep/golang-set/v2 v2.1.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
 github.com/go-chi/chi/v5 v5.0.8 h1:lD+NLqFcAi1ovnVZpsnObHGW4xb4J8lNmoYVfECH1Y0=
 github.com/go-chi/chi/v5 v5.0.8/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=

readConfig.go

@@ -5,7 +5,8 @@ import (
 	"encoding/xml"
 	"fmt"
 	"os"
-	"strings"
+
+	mapset "github.com/deckarep/golang-set/v2"
 )
 
 // readConfigXML takes the hostname and config file and dumps a data-cli.json representation for further use
@@ -23,6 +24,7 @@ func readConfigXml(hostname string, configFile string, dataFilename string) {
 		log.Fatal().Msgf("cannot unmarshall config.xml: %v", err)
 	}
 	// update the devices names in folders
+	devicesFound := mapset.NewSet[string]() // unique set of devices found in the folders
 	for _, folder := range config.Folder {
 		for i, device := range folder.Device {
 			// find the appropraite device name
@@ -35,15 +37,12 @@ func readConfigXml(hostname string, configFile string, dataFilename string) {
 				if hostname == knownDevice.Name {
 					localDeviceId = knownDevice.ID
 				}
-				// try to see if the names match without case
-				if strings.EqualFold(hostname, knownDevice.Name) {
-					log.Warn().Msgf("provided device name %s matches %s caseless", hostname, knownDevice.Name)
-				}
+				devicesFound.Add(knownDevice.Name)
 			}
 		}
 	}
 	if localDeviceId == "" {
-		log.Fatal().Msgf("could not match the provided device name %s with known devices in the config file. Check for a warning above if this is not just a matter of case", hostname)
+		log.Fatal().Msgf("could not match the provided device name %s with known devices in the config file. Found device names: %v", hostname, devicesFound)
 	}
 
 	writeConfigToFile(fmt.Sprintf("%s %s", hostname, localDeviceId), config, dataFilename)