reopen_tempfile(): truncate opened file

diff --git a/t/t1012-read-tree-df.sh b/t/t1012-read-tree-df.sh
index a6a04b6b90d290a445ed7c33e5928a9a168ed28b..57f0770df1410ea2005d8637323ff0eeeb82d880 100755 (executable)
--- a/t/t1012-read-tree-df.sh
+++ b/t/t1012-read-tree-df.sh
@@ -32,7 +32,7 @@ settree () {
 
 checkindex () {
        git ls-files -s |
-       sed "s|^[0-7][0-7]* $_x40 \([0-3]\)     |\1 |" >current &&
+       sed "s|^[0-7][0-7]* $OID_REGEX \([0-3]\)        |\1 |" >current &&
        cat >expect &&
        test_cmp expect current
 }