Git 2.19.1

[thirdparty/git.git] / packfile.h

diff --git a/packfile.h b/packfile.h
index a7fca598d672b73010a5fb99e4507da4634002ff..630f35cf31ef74975c04d17820314a85bba675af 100644 (file)
--- a/packfile.h
+++ b/packfile.h
@@ -1,8 +1,13 @@
 #ifndef PACKFILE_H
 #define PACKFILE_H
 
+#include "cache.h"
 #include "oidset.h"
 
+/* in object-store.h */
+struct packed_git;
+struct object_info;
+
 /*
  * Generate the filename to be used for a pack file with checksum "sha1" and
  * extension "ext". The result is written into the strbuf "buf", overwriting
@@ -34,9 +39,11 @@ extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_
 #define PACKDIR_FILE_GARBAGE 4
 extern void (*report_garbage)(unsigned seen_bits, const char *path);
 
-extern void prepare_packed_git(void);
-extern void reprepare_packed_git(void);
-extern void install_packed_git(struct packed_git *pack);
+extern void reprepare_packed_git(struct repository *r);
+extern void install_packed_git(struct repository *r, struct packed_git *pack);
+
+struct packed_git *get_packed_git(struct repository *r);
+struct list_head *get_packed_git_mru(struct repository *r);
 
 /*
  * Give a rough count of objects in the repository. This sacrifices accuracy
@@ -63,7 +70,8 @@ extern void close_pack_index(struct packed_git *);
 
 extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *);
 extern void close_pack_windows(struct packed_git *);
-extern void close_all_packs(void);
+extern void close_pack(struct packed_git *);
+extern void close_all_packs(struct raw_object_store *o);
 extern void unuse_pack(struct pack_window **);
 extern void clear_delta_base_cache(void);
 extern struct packed_git *add_packed_git(const char *path, size_t path_len, int local);
@@ -78,6 +86,14 @@ extern struct packed_git *add_packed_git(const char *path, size_t path_len, int
  */
 extern void check_pack_index_ptr(const struct packed_git *p, const void *ptr);
 
+/*
+ * Perform binary search on a pack-index for a given oid. Packfile is expected to
+ * have a valid pack-index.
+ *
+ * See 'bsearch_hash' for more information.
+ */
+int bsearch_pack(const struct object_id *oid, const struct packed_git *p, uint32_t *result);
+
 /*
  * Return the SHA-1 of the nth object within the specified packfile.
  * Open the index if it is not already open.  The return value points
@@ -105,7 +121,7 @@ extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t n);
 extern off_t find_pack_entry_one(const unsigned char *sha1, struct packed_git *);
 
 extern int is_pack_valid(struct packed_git *);
-extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
+extern void *unpack_entry(struct repository *r, struct packed_git *, off_t, enum object_type *, unsigned long *);
 extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
 extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
 extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *);
@@ -115,32 +131,22 @@ extern void release_pack_memory(size_t);
 /* global flag to enable extra checks when accessing packed objects */
 extern int do_check_packed_object_crc;
 
-extern int packed_object_info(struct packed_git *pack, off_t offset, struct object_info *);
+extern int packed_object_info(struct repository *r,
+                             struct packed_git *pack,
+                             off_t offset, struct object_info *);
 
 extern void mark_bad_packed_object(struct packed_git *p, const unsigned char *sha1);
 extern const struct packed_git *has_packed_and_bad(const unsigned char *sha1);
 
-extern int find_pack_entry(const unsigned char *sha1, struct pack_entry *e);
-
-extern int has_sha1_pack(const unsigned char *sha1);
-
-extern int has_pack_index(const unsigned char *sha1);
-
 /*
- * Only iterate over packs obtained from the promisor remote.
+ * Iff a pack file in the given repository contains the object named by sha1,
+ * return true and store its location to e.
  */
-#define FOR_EACH_OBJECT_PROMISOR_ONLY 2
+extern int find_pack_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e);
 
-/*
- * Iterate over packed objects in both the local
- * repository and any alternates repositories (unless the
- * FOR_EACH_OBJECT_LOCAL_ONLY flag, defined in cache.h, is set).
- */
-typedef int each_packed_object_fn(const struct object_id *oid,
-                                 struct packed_git *pack,
-                                 uint32_t pos,
-                                 void *data);
-extern int for_each_packed_object(each_packed_object_fn, void *, unsigned flags);
+extern int has_object_pack(const struct object_id *oid);
+
+extern int has_pack_index(const unsigned char *sha1);
 
 /*
  * Return 1 if an object in a promisor packfile is or refers to the given