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In a following commit, we will use the new 'promisor-remote' protocol capability introduced by d460267613 (Add 'promisor-remote' capability to protocol v2, 2025-02-18) to pass and process more information about promisor remotes than just their name and url. For that purpose, we will need to store information about other fields, especially information that might or might not be available for different promisor remotes. Unfortunately using 'struct strvec', as we currently do, to store information about the promisor remotes with one 'struct strvec' for each field like "name" or "url" does not scale easily in that case. We would need one 'struct strvec' for each new field, and then we would have to pass all these 'struct strvec' around. Let's refactor this and introduce a new 'struct promisor_info'. It will only store promisor remote information in its members. For now it has only a 'name' member for the promisor remote name and an 'url' member for its URL. We will use a 'struct string_list' to store the instances of 'struct promisor_info'. For each 'item' in the string_list, 'item->string' will point to the promisor remote name and 'item->util' will point to the corresponding 'struct promisor_info' instance. Explicit members are used within 'struct promisor_info' for type safety and clarity regarding the specific information being handled, rather than a generic key-value store. We want to specify and document each field and its content, so adding new members to the struct as more fields are supported is fine. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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