t4052: work around shells unable to set COLUMNS to 1
Signed-off-by: NZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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Signed-off-by: NZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: NJunio C Hamano <gitster@pobox.com>