From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 1 Oct 2007 03:13:59 +0000 (-0000)
Subject: Bug #142508 - Clear the screen each time before calling
X-Git-Tag: v2.2_pre1~749
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=cecf7ccc10fbbeeaa8c9f72b359fd0a561d3bbbd;p=portage.git

Bug #142508 - Clear the screen each time before calling
the "diff" command so that any remnants of the previous
config are now shown with the current one.
command so that

svn path=/main/trunk/; revision=7893
---

diff --git a/bin/dispatch-conf b/bin/dispatch-conf
index e000880f0..ec19e1e4d 100755
--- a/bin/dispatch-conf
+++ b/bin/dispatch-conf
@@ -215,6 +215,7 @@ class dispatch:
             show_new_diff = 0
 
             while 1:
+                clear_screen()
                 if show_new_diff:
                     os.system((self.options['diff']) % (conf['new'], mrgconf))
                     show_new_diff = 0
@@ -377,6 +378,19 @@ def getch ():
         termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
     return ch
 
+def clear_screen():
+    try:
+        import curses
+        try:
+            curses.setupterm()
+            sys.stdout.write(curses.tigetstr("clear"))
+            sys.stdout.flush()
+            return
+        except curses.error:
+            pass
+    except ImportError:
+        pass
+    os.system("clear 2>/dev/null")
 
 # run
 d = dispatch ()