Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 88 insertions, 0 deletions

diff --git a/midx.h b/midx.h
new file mode 100644
index 0000000..5578cd7
--- /dev/null
+++ b/midx.h
@@ -0,0 +1,88 @@
+#ifndef MIDX_H
+#define MIDX_H
+
+#include "repository.h"
+#include "string-list.h"
+
+struct object_id;
+struct pack_entry;
+struct repository;
+
+#define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX"
+#define GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP \
+	"GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP"
+
+struct multi_pack_index {
+	struct multi_pack_index *next;
+
+	const unsigned char *data;
+	size_t data_len;
+
+	const uint32_t *revindex_data;
+	const uint32_t *revindex_map;
+	size_t revindex_len;
+
+	uint32_t signature;
+	unsigned char version;
+	unsigned char hash_len;
+	unsigned char num_chunks;
+	uint32_t num_packs;
+	uint32_t num_objects;
+
+	int local;
+
+	const unsigned char *chunk_pack_names;
+	const uint32_t *chunk_oid_fanout;
+	const unsigned char *chunk_oid_lookup;
+	const unsigned char *chunk_object_offsets;
+	const unsigned char *chunk_large_offsets;
+	const unsigned char *chunk_revindex;
+
+	const char **pack_names;
+	struct packed_git **packs;
+	char object_dir[FLEX_ARRAY];
+};
+
+#define MIDX_PROGRESS     (1 << 0)
+#define MIDX_WRITE_REV_INDEX (1 << 1)
+#define MIDX_WRITE_BITMAP (1 << 2)
+#define MIDX_WRITE_BITMAP_HASH_CACHE (1 << 3)
+#define MIDX_WRITE_BITMAP_LOOKUP_TABLE (1 << 4)
+
+const unsigned char *get_midx_checksum(struct multi_pack_index *m);
+void get_midx_filename(struct strbuf *out, const char *object_dir);
+void get_midx_rev_filename(struct strbuf *out, struct multi_pack_index *m);
+
+struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
+int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t pack_int_id);
+int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
+off_t nth_midxed_offset(struct multi_pack_index *m, uint32_t pos);
+uint32_t nth_midxed_pack_int_id(struct multi_pack_index *m, uint32_t pos);
+struct object_id *nth_midxed_object_oid(struct object_id *oid,
+					struct multi_pack_index *m,
+					uint32_t n);
+int fill_midx_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
+int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name);
+int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
+
+/*
+ * Variant of write_midx_file which writes a MIDX containing only the packs
+ * specified in packs_to_include.
+ */
+int write_midx_file(const char *object_dir,
+		    const char *preferred_pack_name,
+		    const char *refs_snapshot,
+		    unsigned flags);
+int write_midx_file_only(const char *object_dir,
+			 struct string_list *packs_to_include,
+			 const char *preferred_pack_name,
+			 const char *refs_snapshot,
+			 unsigned flags);
+void clear_midx_file(struct repository *r);
+int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags);
+int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags);
+int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags);
+
+void close_midx(struct multi_pack_index *m);
+
+#endif