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Doing: GIT_CONFIG=foo git config ... is equivalent to: git config --file=foo ... The latter is easier to read and slightly less error-prone, because of issues with one-shot variables and shell functions (e.g., you cannot use the former with test_must_fail). Note that we explicitly leave one case in t1300 which checks the same operation on both GIT_CONFIG and "git config --file". They are equivalent in the code these days, but this will make sure it remains so. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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