Add a better error message in case the home directory can't be located.

stefansundin · stefansundin · commit 9315f383a473 · 2018-12-22T13:57:25.000-08:00
diff --git a/main.go b/main.go
@@ -36,10 +36,13 @@ func main() {
 	}
 
 	// Get credentials
-	usr, _ := user.Current()
-
 	credentialsPath := os.Getenv("AWS_SHARED_CREDENTIALS_FILE")
 	if len(credentialsPath) == 0 {
+		usr, err := user.Current()
+		if err != nil {
+			fmt.Println("Error: Could not locate your home directory. Please set the AWS_SHARED_CREDENTIALS_FILE environment variable.")
+			os.Exit(1)
+		}
 		credentialsPath = fmt.Sprintf("%s/.aws/credentials", usr.HomeDir)
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -36,10 +36,13 @@ func main() {`
`36`	`36`	`}`
`37`	`37`
`38`	`38`	`// Get credentials`
`39`		`- usr, _ := user.Current()`
`40`		`-`
`41`	`39`	`credentialsPath := os.Getenv("AWS_SHARED_CREDENTIALS_FILE")`
`42`	`40`	`if len(credentialsPath) == 0 {`
	`41`	`+ usr, err := user.Current()`
	`42`	`+ if err != nil {`
	`43`	`+ fmt.Println("Error: Could not locate your home directory. Please set the AWS_SHARED_CREDENTIALS_FILE environment variable.")`
	`44`	`+ os.Exit(1)`
	`45`	`+ }`
`43`	`46`	`credentialsPath = fmt.Sprintf("%s/.aws/credentials", usr.HomeDir)`
`44`	`47`	`}`
`45`	`48`