More updates on documentation

pkg/utils/helpers/common.go

@@ -24,6 +24,7 @@ import (
 	"strings"
 )
 
+// Get current user home directory
 func HomeDir() string {
 	if runtime.GOOS == "windows" {
 		home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
@@ -35,16 +36,19 @@ func HomeDir() string {
 	return os.Getenv("HOME")
 }
 
+// Create a new temp directory
 func MakeTempTestDir() (string, error) {
 	return ioutil.TempDir("/tmp", "minio-test-")
 }
 
+// Assert wrapper for error not being null
 func Assert(err error) {
 	if err != nil {
 		log.Fatal(err)
 	}
 }
 
+// Camelcase input string
 func FirstUpper(str string) string {
 	return strings.ToUpper(str[0:1]) + str[1:]
 }

pkg/utils/helpers/execpipe.go

@@ -26,7 +26,8 @@ import (
 // A simple ExecPipe() pipes exec.Cmd together - somewhat similar to how bash pipes "|" behave.
 // Each command's standard output is connected to the standard input of the next command
 // and the output of the final command is returned
-
+//
+// TODO: handle errors properly
 func ExecPipe(cmds ...*exec.Cmd) (pipeLineOutput io.Reader, pipeLineError error) {
 	// Require at least one command
 	if len(cmds) < 1 {