From 6744d37bf982b5dedf94082701bb778a4ae80d79 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kitenet.net>
Date: Sun, 21 Aug 2011 18:35:57 -0400
Subject: Workaround for umount bug #634107, which broke pbuilder and
 "debootstrap ."

umount /path/to/foo fails when run in in /path/to/.
Work around this nasty bug with a chdir /.

Note that TARGET is an absolute path, so chdiring away is safe.
---
 debian/changelog | 2 ++
 functions        | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/debian/changelog b/debian/changelog
index a13a247..9377a5a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -11,6 +11,8 @@ debootstrap (1.0.36) UNRELEASED; urgency=low
     filesystems.
   * When debootstrapping on FreeBSD, warn if necessary modules are not
     loaded. Thanks, Arno Toell.
+  * Workaround for umount bug #634107, which broke pbuilder and "debootstrap ."
+    Closes: #631087
 
  -- Joey Hess <joeyh@debian.org>  Mon, 15 Aug 2011 14:14:29 -0400
 
diff --git a/functions b/functions
index aaeb7c5..44a071d 100644
--- a/functions
+++ b/functions
@@ -943,7 +943,7 @@ UMOUNT_DIRS=
 
 umount_exit_function () {
 	for dir in $UMOUNT_DIRS; do
-		umount "$TARGET/${dir#/}" || true
+		( cd / ; umount "$TARGET/${dir#/}" ) || true
 	done
 }
 
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