[PATCH] git svn: should not display zombie externals

["Eddy Petrișor" <eddy.petrisor@gmail.com>]

subversion does not process in any way empty svn:externals properties
and doesn't list them in any way; git svn externals shouldn't do that
either

Signed-off-by: Eddy Petrișor <eddy.petrisor@gmail.com>
---
 t/t9101-git-svn-props.sh |   24 +++++++++++++++++++++++-
 1 files changed, 23 insertions(+), 1 deletions(-)

diff --git a/t/t9101-git-svn-props.sh b/t/t9101-git-svn-props.sh
index f420796..e174b30 100755
--- a/t/t9101-git-svn-props.sh
+++ b/t/t9101-git-svn-props.sh
@@ -211,7 +211,29 @@ EOF
 
 test_expect_success 'test proplist' "
 	git-svn proplist . | cmp - prop.expect &&
-	git-svn proplist nested/directory/.keep | cmp - prop2.expect
+	git-svn proplist nested/directory/.keep | cmp - prop2.expect &&
+	cd ..
+	"
+
+test_expect_success 'show external' "
+	cd test_wc &&
+		svn mkdir zombie &&
+		svn propset svn:externals 'externaldir file:///fake/external' zombie &&
+		svn ci -m 'added a fake svn:external' &&
+	cd .. &&
+	git-svn fetch &&
+	git-merge git-svn &&
+	git-svn show-externals | grep -q 'externaldir'
+	"
+
+test_expect_failure 'remove external' "
+	cd test_wc &&
+		svn propset svn:externals '' zombie &&
+		svn ci -m 'deleted the fake external' &&
+	cd .. &&
+	git-svn fetch &&
+	git-merge git-svn &&
+	git-svn show-externals | grep -v ^# | grep -v ^$ | grep -q -v '^/zombie'
 	"
 
 test_done
-- 
1.5.6.3