kiss: Print messages from prompt().

This enables the removal of a mess of nested
braces. I'm happy now.

kiss

@@ -41,6 +41,7 @@ contains() {
 
 prompt() {
     # Ask the user for some input.
+    [ "$1" ] && log "$1"
     log "Continue?: Press Enter to continue or Ctrl+C to abort here"
 
     # POSIX 'read' has none of the "nice" options like '-n', '-p'
@@ -643,13 +644,9 @@ pkg_build() {
     set -- $explicit
 
     # Only ask for confirmation if more than one package needs to be installed.
-    [ $# -gt 1 ] && {
-        log "Install built packages? [$*]"
-
-        prompt && {
-            args i "$@"
-            return
-        }
+    [ $# -gt 1 ] && prompt "Install built packages? [$*]" && {
+        args i "$@"
+        return
     }
 
     log "Run 'kiss i $*' to install the package(s)"