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-rw-r--r--fetch-pack.h105
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+#ifndef FETCH_PACK_H
+#define FETCH_PACK_H
+
+#include "string-list.h"
+#include "run-command.h"
+#include "protocol.h"
+#include "list-objects-filter-options.h"
+#include "oidset.h"
+
+struct oid_array;
+
+struct fetch_pack_args {
+ const char *uploadpack;
+ int unpacklimit;
+ int depth;
+ const char *deepen_since;
+ const struct string_list *deepen_not;
+ struct list_objects_filter_options filter_options;
+ const struct string_list *server_options;
+
+ /*
+ * If not NULL, during packfile negotiation, fetch-pack will send "have"
+ * lines only with these tips and their ancestors.
+ */
+ const struct oid_array *negotiation_tips;
+
+ unsigned deepen_relative:1;
+ unsigned quiet:1;
+ unsigned keep_pack:1;
+ unsigned lock_pack:1;
+ unsigned use_thin_pack:1;
+ unsigned fetch_all:1;
+ unsigned stdin_refs:1;
+ unsigned diag_url:1;
+ unsigned verbose:1;
+ unsigned no_progress:1;
+ unsigned include_tag:1;
+ unsigned stateless_rpc:1;
+ unsigned check_self_contained_and_connected:1;
+ unsigned self_contained_and_connected:1;
+ unsigned cloning:1;
+ unsigned update_shallow:1;
+ unsigned reject_shallow_remote:1;
+ unsigned deepen:1;
+ unsigned refetch:1;
+
+ /*
+ * Indicate that the remote of this request is a promisor remote. The
+ * pack received does not need all referred-to objects to be present in
+ * the local object store, and fetch-pack will store the pack received
+ * together with a ".promisor" file indicating that the aforementioned
+ * pack is a promisor pack.
+ */
+ unsigned from_promisor:1;
+
+ /*
+ * Because fetch_pack() overwrites the shallow file upon a
+ * successful deepening non-clone fetch, if this struct
+ * specifies such a fetch, fetch_pack() needs to perform a
+ * connectivity check before deciding if a fetch is successful
+ * (and overwriting the shallow file). fetch_pack() sets this
+ * field to 1 if such a connectivity check was performed.
+ *
+ * This is different from check_self_contained_and_connected
+ * in that the former allows existing objects in the
+ * repository to satisfy connectivity needs, whereas the
+ * latter doesn't.
+ */
+ unsigned connectivity_checked:1;
+};
+
+/*
+ * sought represents remote references that should be updated from.
+ * On return, the names that were found on the remote will have been
+ * marked as such.
+ */
+struct ref *fetch_pack(struct fetch_pack_args *args,
+ int fd[],
+ const struct ref *ref,
+ struct ref **sought,
+ int nr_sought,
+ struct oid_array *shallow,
+ struct string_list *pack_lockfiles,
+ enum protocol_version version);
+
+/*
+ * Execute the --negotiate-only mode of "git fetch", adding all known common
+ * commits to acked_commits.
+ *
+ * In the capability advertisement that has happened prior to invoking this
+ * function, the "wait-for-done" capability must be present.
+ */
+void negotiate_using_fetch(const struct oid_array *negotiation_tips,
+ const struct string_list *server_options,
+ int stateless_rpc,
+ int fd[],
+ struct oidset *acked_commits);
+
+/*
+ * Print an appropriate error message for each sought ref that wasn't
+ * matched. Return 0 if all sought refs were matched, otherwise 1.
+ */
+int report_unmatched_refs(struct ref **sought, int nr_sought);
+
+#endif