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Loosen restrictions on refspecs by allowing patterns that have a "*" within a component instead of only as the whole component. Remove the logic to accept a single "*" as a whole component from check_refname_format(), and implement an extended form of that logic in check_refname_component(). Pass the pointer to the flags argument to the latter, as it has to clear REFNAME_REFSPEC_PATTERN bit when it sees "*". Teach check_refname_component() function to allow an asterisk "*" only when REFNAME_REFSPEC_PATTERN is set in the flags, and drop the bit after seeing a "*", to ensure that one side of a refspec contains at most one asterisk. This will allow us to accept refspecs such as `for/bar*:foo/baz*`. Any refspec which functioned before shall continue functioning with the new logic. Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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