upload-pack: implement ref-in-want

diff --git a/packfile.h b/packfile.h
index ec08cb2bb039ef005b90e09bcf35e90c5cbfb54b..e0a38aba9321deae1d64aea7cd87067fde240b10 100644 (file)
--- a/packfile.h
+++ b/packfile.h
@@ -34,9 +34,11 @@ 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 +65,8 @@ 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);
@@ -113,7 +116,7 @@ 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 *);
@@ -123,14 +126,20 @@ 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);
+/*
+ * Iff a pack file in the given repository contains the object named by sha1,
+ * return true and store its location to e.
+ */
+extern int find_pack_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e);
 
-extern int has_sha1_pack(const unsigned char *sha1);
+extern int has_object_pack(const struct object_id *oid);
 
 extern int has_pack_index(const unsigned char *sha1);
 
@@ -148,6 +157,7 @@ typedef int each_packed_object_fn(const struct object_id *oid,
                                  struct packed_git *pack,
                                  uint32_t pos,
                                  void *data);
+extern int for_each_object_in_pack(struct packed_git *p, each_packed_object_fn, void *data);
 extern int for_each_packed_object(each_packed_object_fn, void *, unsigned flags);
 
 /*