t0012: test "-h" with builtins
Since commit 99caeed05
(Let 'git <command> -h' show usage
without a git dir, 2009-11-09), the git wrapper handles "-h"
specially, skipping any repository setup but still calling
the builtin's cmd_foo() function. This means that every
cmd_foo() must be ready to handle this case, but we don't
have any systematic tests. This led to "git am -h" being
broken for some time without anybody noticing.
This patch just tests that "git foo -h" works for every
builtin, where we see a 129 exit code (the normal code for
our usage() helper), and that the word "usage" appears in
the output.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -49,4 +49,16 @@ test_expect_success "--help does not work for guides" "
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test_i18ncmp expect actual
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"
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test_expect_success 'generate builtin list' '
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git --list-builtins >builtins
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'
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while read builtin
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do
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test_expect_success "$builtin can handle -h" '
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test_expect_code 129 git $builtin -h >output 2>&1 &&
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test_i18ngrep usage output
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'
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done <builtins
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test_done
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