rev-list --left-right

diff --git a/t/t1100-commit-tree-options.sh b/t/t1100-commit-tree-options.sh
index e59f724f2a72f9c9a9237ff477d472811362ce0b..19a0ed4d20409a79c5615004ceb63a969f0414de 100755 (executable)
--- a/t/t1100-commit-tree-options.sh
+++ b/t/t1100-commit-tree-options.sh
@@ -32,7 +32,7 @@ test_expect_success \
      GIT_COMMITTER_NAME="Committer Name" \
      GIT_COMMITTER_EMAIL="committer@email" \
      GIT_COMMITTER_DATE="2005-05-26 23:30" \
-     TZ= git-commit-tree `cat treeid` >commitid 2>/dev/null'
+     TZ=GMT git-commit-tree `cat treeid` >commitid 2>/dev/null'
 
 test_expect_success \
     'read commit' \