--- a/bash-completion.sh	Mon Oct 26 00:00:35 2020 +0100
+++ b/bash-completion.sh	Sun May 09 18:19:09 2021 +0200
@@ -33,6 +33,11 @@
 		"boolean"
 	)
 
+	BOOLEAN_VALUES=(
+		"true"
+		"false"
+	)
+
 	DATA_SOURCE_STRING=(
 		"Driver=SQLite3;Database=file::memory:"
 		"Driver=SQLite3;Database=file:temp-relpipe.sqlite"
@@ -43,6 +48,7 @@
 	elif [[ "$w2" == "--relation"      && "x$w0" == "x" ]];    then COMPREPLY=('"SELECT * FROM "')
 	elif [[ "$w1" == "--type-cast"     && "x$w0" == "x" ]];    then COMPREPLY=("''")
 	elif [[ "$w2" == "--type-cast"                      ]];    then COMPREPLY=($(compgen -W "${DATA_TYPE[*]}" -- "$w0"))
+	elif [[ "$w1" == "--list-data-sources"              ]];    then COMPREPLY=($(compgen -W "${BOOLEAN_VALUES[*]}" -- "$w0"))
 	elif [[ "$w1" == "--parameter"     && "x$w0" == "x" ]];    then COMPREPLY=("''")
 	elif [[ "$w1" == "--copy"          && "x$w0" == "x" ]];    then COMPREPLY=("'.+'")
 	elif [[ "$w1" == "--copy-renamed"  && "x$w0" == "x" ]];    then COMPREPLY=("'.+'")