t4008: abstract away SHA-1-specific constants

diff --git a/packfile.h b/packfile.h
index 0cdeb54dcd97a67c38285e8f81412ec71273fd7f..9c2f885994546df4271e6a57d253cdae820b025c 100644 (file)
--- a/packfile.h
+++ b/packfile.h
@@ -1,6 +1,8 @@
 #ifndef PACKFILE_H
 #define PACKFILE_H
 
+#include "oidset.h"
+
 /*
  * 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
@@ -32,9 +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
@@ -61,7 +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);
@@ -76,6 +81,14 @@ 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
@@ -118,12 +131,21 @@ extern int packed_object_info(struct packed_git *pack, off_t offset, struct obje
 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 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.
+ */
+#define FOR_EACH_OBJECT_PROMISOR_ONLY 2
+
 /*
  * Iterate over packed objects in both the local
  * repository and any alternates repositories (unless the
@@ -133,6 +155,13 @@ 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);
 
+/*
+ * Return 1 if an object in a promisor packfile is or refers to the given
+ * object, 0 otherwise.
+ */
+extern int is_promisor_object(const struct object_id *oid);
+
 #endif