merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 95 insertions, 0 deletions

diff --git a/third_party/git/fetch-pack.h b/third_party/git/fetch-pack.h
new file mode 100644
index 000000000000..67f684229a9a
--- /dev/null
+++ b/third_party/git/fetch-pack.h
@@ -0,0 +1,95 @@
+#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"
+
+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 deepen:1;
+	unsigned from_promisor:1;
+
+	/*
+	 * Attempt to fetch only the wanted objects, and not any objects
+	 * referred to by them. Due to protocol limitations, extraneous
+	 * objects may still be included. (When fetching non-blob
+	 * objects, only blobs are excluded; when fetching a blob, the
+	 * blob itself will still be sent. The client does not need to
+	 * know whether a wanted object is a blob or not.)
+	 *
+	 * If 1, fetch_pack() will also not modify any object flags.
+	 * This allows fetch_pack() to safely be called by any function,
+	 * regardless of which object flags it uses (if any).
+	 */
+	unsigned no_dependents: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,
+		       char **pack_lockfile,
+		       enum protocol_version version);
+
+/*
+ * 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