pylint: Implement comma separated --confidence arg completion

Author: scop

completions/pylint

@@ -50,9 +50,10 @@ _pylint()
             return
             ;;
         --confidence)
-            # TODO comma separated?
+            local prefix=; [[ $cur == *,* ]] && prefix="${cur%,*},"
             COMPREPLY=( $( compgen -W "HIGH INFERENCE INFERENCE_FAILURE
-                UNDEFINED" -- "$cur" ) )
+                UNDEFINED" -- "${cur##*,}" ) )
+            [[ ${#COMPREPLY[@]} -eq 1 ]] && COMPREPLY=( ${COMPREPLY/#/$prefix} )
             return
             ;;
         --format|-!(-*)f)

test/lib/completions/pylint.exp

@@ -14,5 +14,8 @@ setup
 assert_complete_any "pylint -"
 sync_after_int
 
+assert_complete_any "pylint --confidence=HIGH,"
+sync_after_int
+
 
 teardown