_xinetd_services: avoid nounset error on bash 4.2

scop · scop · commit 0df93b02d355 · 2020-07-25T07:27:56.000+03:00
diff --git a/bash_completion b/bash_completion
@@ -1208,7 +1208,8 @@ _xinetd_services()
         shopt -s nullglob
         local -a svcs=($(printf '%s\n' $xinetddir/!($_backup_glob)))
         $reset
-        COMPREPLY+=($(compgen -W '${svcs[@]#$xinetddir/}' -- "${cur-}"))
+        ((!${#svcs[@]})) ||
+            COMPREPLY+=($(compgen -W '${svcs[@]#$xinetddir/}' -- "${cur-}"))
     fi
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1208,7 +1208,8 @@ _xinetd_services()`
`1208`	`1208`	`shopt -s nullglob`
`1209`	`1209`	`local -a svcs=($(printf '%s\n' $xinetddir/!($_backup_glob)))`
`1210`	`1210`	`$reset`
`1211`		`- COMPREPLY+=($(compgen -W '${svcs[@]#$xinetddir/}' -- "${cur-}"))`
	`1211`	`+ ((!${#svcs[@]})) \|\|`
	`1212`	`+ COMPREPLY+=($(compgen -W '${svcs[@]#$xinetddir/}' -- "${cur-}"))`
`1212`	`1213`	`fi`
`1213`	`1214`	`}`
`1214`	`1215`