From a0afe0959bf322e894cda25c8d409b2451a8dd7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Sun, 24 Apr 2011 20:14:48 +0300
Subject: [PATCH] Try to figure out file/dir argument types from --foo=BAR in
 _longopt().

---
 bash_completion | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/bash_completion b/bash_completion
index e550af8e..f1def504 100644
--- a/bash_completion
+++ b/bash_completion
@@ -1619,6 +1619,21 @@ _longopt()
             _filedir
             return 0
             ;;
+        --+([-a-z0-9_]))
+            local argtype=$( $1 --help 2>&1 | \
+                sed -ne "s|.*$prev\[\?=[<[]\?\([-A-Za-z0-9_]\{1,\}\).*|\1|p" )
+            case ${argtype,,} in
+                *dir*)
+                    compopt +o default
+                    _filedir -d
+                    return 0
+                    ;;
+                *file*|*path*)
+                    _filedir
+                    return 0
+                    ;;
+            esac
+            ;;
     esac
 
     $split && return 0