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Currently, advertised filters are only kept in memory temporarily during parsing, or persisted to disk if `promisor.storeFields` contains 'partialCloneFilter'. In a following commit though, we will add a `--filter=auto` option. This option will enable the client to use the filters that the server is suggesting for the promisor remotes the client accepts. To use them even if `promisor.storeFields` is not configured, these filters should be stored somewhere for the current session. Let's add an `advertised_filter` field to `struct promisor_remote` for that purpose. To ensure that the filters are available in all cases, filter_promisor_remote() captures them into a temporary list and applies them to the `promisor_remote` structs after the potential configuration reload. Then the accepted remotes are marked as `accepted` in the repository state. This ensures that subsequent calls to look up accepted remotes (like in the filter construction below) actually find them. In a following commit, we will add a `--filter=auto` option that will enable a client to use the filters suggested by the server for the promisor remotes the client accepted. To enable the client to construct a filter spec based on these filters, let's add a `promisor_remote_construct_filter(repo)` function. This function: - iterates over all accepted promisor remotes in the repository, - collects the filters advertised for them (using `advertised_filter` which a previous commit added to `struct promisor_remote`), and - generates a single filter spec for them (using the `list_objects_filter_combine()` function added by a previous commit). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
#ifndef PROMISOR_REMOTE_H
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#define PROMISOR_REMOTE_H
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#include "repository.h"
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struct object_id;
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/*
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* Promisor remote linked list
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*
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* Information in its fields come from remote.XXX config entries or
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* from extensions.partialclone, except for 'accepted' which comes
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* from protocol v2 capabilities exchange.
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*/
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struct promisor_remote {
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struct promisor_remote *next;
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char *partial_clone_filter;
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char *advertised_filter;
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unsigned int accepted : 1;
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const char name[FLEX_ARRAY];
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};
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void repo_promisor_remote_reinit(struct repository *r);
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void promisor_remote_clear(struct promisor_remote_config *config);
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struct promisor_remote *repo_promisor_remote_find(struct repository *r, const char *remote_name);
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int repo_has_promisor_remote(struct repository *r);
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/*
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* Fetches all requested objects from all promisor remotes, trying them one at
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* a time until all objects are fetched.
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*
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* If oid_nr is 0, this function returns immediately.
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*/
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void promisor_remote_get_direct(struct repository *repo,
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const struct object_id *oids,
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int oid_nr);
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/*
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* Prepare a "promisor-remote" advertisement by a server.
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* Check the value of "promisor.advertise" and maybe the configured
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* promisor remotes, if any, to prepare information to send in an
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* advertisement.
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* Return value is NULL if no promisor remote advertisement should be
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* made. Otherwise it contains the names and urls of the advertised
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* promisor remotes separated by ';'. See gitprotocol-v2(5).
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*/
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char *promisor_remote_info(struct repository *repo);
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/*
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* Prepare a reply to a "promisor-remote" advertisement from a server.
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* Check the value of "promisor.acceptfromserver" and maybe the
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* configured promisor remotes, if any, to prepare the reply.
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* Return value is NULL if no promisor remote from the server
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* is accepted. Otherwise it contains the names of the accepted promisor
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* remotes separated by ';'. See gitprotocol-v2(5).
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*/
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char *promisor_remote_reply(const char *info);
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/*
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* Set the 'accepted' flag for some promisor remotes. Useful on the
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* server side when some promisor remotes have been accepted by the
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* client.
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*/
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void mark_promisor_remotes_as_accepted(struct repository *repo, const char *remotes);
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/*
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* Has any promisor remote been accepted by the client?
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*/
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int repo_has_accepted_promisor_remote(struct repository *r);
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/*
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* Use the filters from the accepted remotes to create a filter.
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*/
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char *promisor_remote_construct_filter(struct repository *repo);
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#endif /* PROMISOR_REMOTE_H */
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