Adding helpful error messages

lpicanco · Nov 9, 2019 · b9cf5c6 · b9cf5c6
1 parent 5f1e5de
commit b9cf5c6
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Showing 2 changed files with 10 additions and 10 deletions.
diff --git a/config/config.go b/config/config.go
@@ -25,11 +25,11 @@ func init() {
 	data, err := ioutil.ReadFile(configFile)
 
 	if err != nil {
-		log.Fatalf("Error reading configuration file: %s", err)
+		log.Fatalf("error reading configuration file: %s", err)
 	}
 
 	if err := yaml.Unmarshal(data, &Config); err != nil {
-		log.Fatalf("Error processing configuration file %s: \n %s", configFile, err)
+		log.Fatalf("error processing configuration file %s: \n %s", configFile, err)
 	}
 }
 

diff --git a/display/randr.go b/display/randr.go
@@ -23,12 +23,12 @@ func init() {
 	var err error
 	xgbConn, err = xgb.NewConn()
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error initializing xgb: %v", err)
 	}
 
 	err = randr.Init(xgbConn)
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error initializing randr: %v", err)
 	}
 }
 
@@ -41,7 +41,7 @@ func Refresh() {
 
 	currentWorkspace, err := i3.GetCurrentWorkspaceNumber()
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error getting i3 current workspace: %v", err)
 	}
 
 	for _, display := range config.Config.Displays {
@@ -52,7 +52,7 @@ func Refresh() {
 
 	err = i3.SetCurrentWorkspace(currentWorkspace)
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error setting i3 current workspace: %v", err)
 	}
 
 	lastOutputConfiguration = currentOutputConfiguration
@@ -66,13 +66,13 @@ func ListenEvents() {
 		randr.NotifyMaskScreenChange|randr.NotifyMaskCrtcChange|randr.NotifyMaskOutputChange).Check()
 
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error subscribing to randr events: %v", err)
 	}
 
 	for {
 		ev, err := xgbConn.WaitForEvent()
 		if err != nil {
-			log.Fatal(err)
+			log.Fatalf("error processing randr event: %v", err)
 		}
 
 		switch ev.(type) {
@@ -108,13 +108,13 @@ func getOutputConfiguration() map[string]bool {
 	resources, err := randr.GetScreenResources(xgbConn, root).Reply()
 
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("error getting randr screen resources: %v", err)
 	}
 
 	for _, output := range resources.Outputs {
 		info, err := randr.GetOutputInfo(xgbConn, output, 0).Reply()
 		if err != nil {
-			log.Fatal(err)
+			log.Fatalf("error getting randr output info: %v", err)
 		}
 
 		config[string(info.Name)] = info.Connection == randr.ConnectionConnected