test-lib: whitelist GIT_TR2_* in the environment

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 562c57e6858b79aff074fcb7ab8c65fa2f110bc0..f6318c54c901bb3d1990fc59adcaf02686dc6c75 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -379,6 +379,7 @@ unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
        my @env = keys %ENV;
        my $ok = join("|", qw(
                TRACE
+               TR2_
                DEBUG
                TEST
                .*_TEST