receive-pack: allow pushes that update .git/shallow

diff --git a/commit.h b/commit.h
index f9504f70cc5b57de590099024556b9d2b6b2cdce..a1f2d49433be06786adac0dd8bee613c42404e98 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -193,6 +193,8 @@ extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
 /* largest positive number a signed 32-bit integer can contain */
 #define INFINITE_DEPTH 0x7fffffff
 
+struct sha1_array;
+struct ref;
 extern int register_shallow(const unsigned char *sha1);
 extern int unregister_shallow(const unsigned char *sha1);
 extern int for_each_commit_graft(each_commit_graft_fn, void *);
@@ -200,7 +202,39 @@ extern int is_repository_shallow(void);
 extern struct commit_list *get_shallow_commits(struct object_array *heads,
                int depth, int shallow_flag, int not_shallow_flag);
 extern void check_shallow_file_for_update(void);
-extern void set_alternate_shallow_file(const char *path);
+extern void set_alternate_shallow_file(const char *path, int override);
+extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
+                                const struct sha1_array *extra);
+extern void setup_alternate_shallow(struct lock_file *shallow_lock,
+                                   const char **alternate_shallow_file,
+                                   const struct sha1_array *extra);
+extern char *setup_temporary_shallow(const struct sha1_array *extra);
+extern void advertise_shallow_grafts(int);
+
+struct shallow_info {
+       struct sha1_array *shallow;
+       int *ours, nr_ours;
+       int *theirs, nr_theirs;
+       struct sha1_array *ref;
+
+       /* for receive-pack */
+       uint32_t **used_shallow;
+       int *need_reachability_test;
+       int *reachable;
+       int *shallow_ref;
+       struct commit **commits;
+       int nr_commits;
+};
+
+extern void prepare_shallow_info(struct shallow_info *, struct sha1_array *);
+extern void clear_shallow_info(struct shallow_info *);
+extern void remove_nonexistent_theirs_shallow(struct shallow_info *);
+extern void remove_nonexistent_ours_in_pack(struct shallow_info *,
+                                           struct packed_git *);
+extern void assign_shallow_commits_to_refs(struct shallow_info *info,
+                                          uint32_t **used,
+                                          int *ref_status);
+extern int delayed_reachability_test(struct shallow_info *si, int c);
 
 int is_descendant_of(struct commit *, struct commit_list *);
 int in_merge_bases(struct commit *, struct commit *);
@@ -208,7 +242,7 @@ int in_merge_bases_many(struct commit *, int, struct commit **);
 
 extern int interactive_add(int argc, const char **argv, const char *prefix, int patch);
 extern int run_add_interactive(const char *revision, const char *patch_mode,
-                              const char **pathspec);
+                              const struct pathspec *pathspec);
 
 static inline int single_parent(struct commit *commit)
 {