cli: in case of no possible arg values, return empty string

yadvr · yadvr · commit c1185a511d60 · 2018-12-31T18:37:41.000+05:30
Signed-off-by: Rohit Yadav &lt;rohit@apache.org&gt;
diff --git a/cli/completer.go b/cli/completer.go
@@ -352,6 +352,9 @@ func (t *autoCompleter) Do(line []rune, pos int) (options [][]rune, offset int)
 				}
 			}
 			offset = 0
+			if len(filteredOptions) == 0 {
+				options = [][]rune{[]rune("")}
+			}
 			for _, item := range filteredOptions {
 				option := item.Value + " "
 				if len(filteredOptions) > 1 && len(item.Detail) > 0 {

Original file line number	Diff line number	Diff line change
`@@ -352,6 +352,9 @@ func (t *autoCompleter) Do(line []rune, pos int) (options [][]rune, offset int)`
`352`	`352`	`}`
`353`	`353`	`}`
`354`	`354`	`offset = 0`
	`355`	`+ if len(filteredOptions) == 0 {`
	`356`	`+ options = [][]rune{[]rune("")}`
	`357`	`+ }`
`355`	`358`	`for _, item := range filteredOptions {`
`356`	`359`	`option := item.Value + " "`
`357`	`360`	`if len(filteredOptions) > 1 && len(item.Detail) > 0 {`