send-email: add --[no-]xmailer option

diff --git a/t/t5400-send-pack.sh b/t/t5400-send-pack.sh
index 129fc88bd28e8ea85e81310aec860df808949447..0736bcbcd52a76ef3400c046e7d3558dd1a866c7 100755 (executable)
--- a/t/t5400-send-pack.sh
+++ b/t/t5400-send-pack.sh
@@ -164,6 +164,7 @@ test_expect_success 'receive-pack runs auto-gc in remote repo' '
            # Set the child to auto-pack if more than one pack exists
            cd child &&
            git config gc.autopacklimit 1 &&
+           git config gc.autodetach false &&
            git branch test_auto_gc &&
            # And create a file that follows the temporary object naming
            # convention for the auto-gc to remove