repack: consider bitmaps when performing repacks

diff --git a/commit.h b/commit.h
index 6e9c7cd9d5da7d24d4810b36039681f184325932..bd841f4d0c5e2b7fb8e83d55ba0d0b7e2839bf8a 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -6,6 +6,7 @@
 #include "strbuf.h"
 #include "decorate.h"
 #include "gpg-interface.h"
+#include "string-list.h"
 
 struct commit_list {
        struct commit *item;
@@ -15,7 +16,7 @@ struct commit_list {
 struct commit {
        struct object object;
        void *util;
-       unsigned int indegree;
+       unsigned int index;
        unsigned long date;
        struct commit_list *parents;
        struct tree *tree;
@@ -61,6 +62,9 @@ struct commit_list *commit_list_insert_by_date(struct commit *item,
                                    struct commit_list **list);
 void commit_list_sort_by_date(struct commit_list **list);
 
+/* Shallow copy of the input list */
+struct commit_list *copy_commit_list(struct commit_list *list);
+
 void free_commit_list(struct commit_list *list);
 
 /* Commit formats */
@@ -79,6 +83,9 @@ enum cmit_fmt {
 };
 
 struct pretty_print_context {
+       /*
+        * Callers should tweak these to change the behavior of pp_* functions.
+        */
        enum cmit_fmt fmt;
        int abbrev;
        const char *subject;
@@ -92,6 +99,13 @@ struct pretty_print_context {
        const char *output_encoding;
        struct string_list *mailmap;
        int color;
+       struct ident_split *from_ident;
+
+       /*
+        * Fields below here are manipulated internally by pp_* functions and
+        * should not be counted on by callers.
+        */
+       struct string_list in_body_headers;
 };
 
 struct userformat_want {
@@ -111,20 +125,20 @@ extern void userformat_find_requirements(const char *fmt, struct userformat_want
 extern void format_commit_message(const struct commit *commit,
                                  const char *format, struct strbuf *sb,
                                  const struct pretty_print_context *context);
-extern void pretty_print_commit(const struct pretty_print_context *pp,
+extern void pretty_print_commit(struct pretty_print_context *pp,
                                const struct commit *commit,
                                struct strbuf *sb);
 extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
                           struct strbuf *sb);
-void pp_user_info(const struct pretty_print_context *pp,
+void pp_user_info(struct pretty_print_context *pp,
                  const char *what, struct strbuf *sb,
                  const char *line, const char *encoding);
-void pp_title_line(const struct pretty_print_context *pp,
+void pp_title_line(struct pretty_print_context *pp,
                   const char **msg_p,
                   struct strbuf *sb,
                   const char *encoding,
                   int need_8bit_cte);
-void pp_remainder(const struct pretty_print_context *pp,
+void pp_remainder(struct pretty_print_context *pp,
                  const char **msg_p,
                  struct strbuf *sb,
                  int indent);
@@ -142,15 +156,24 @@ void clear_commit_marks(struct commit *commit, unsigned int mark);
 void clear_commit_marks_many(int nr, struct commit **commit, unsigned int mark);
 void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark);
 
+
+enum rev_sort_order {
+       REV_SORT_IN_GRAPH_ORDER = 0,
+       REV_SORT_BY_COMMIT_DATE,
+       REV_SORT_BY_AUTHOR_DATE
+};
+
 /*
  * Performs an in-place topological sort of list supplied.
  *
  *   invariant of resulting list is:
  *      a reachable from b => ord(b) < ord(a)
- *   in addition, when lifo == 0, commits on parallel tracks are
- *   sorted in the dates order.
+ *   sort_order further specifies:
+ *   REV_SORT_IN_GRAPH_ORDER: try to show a commit on a single-parent
+ *                            chain together.
+ *   REV_SORT_BY_COMMIT_DATE: show eligible commits in committer-date order.
  */
-void sort_in_topological_order(struct commit_list ** list, int lifo);
+void sort_in_topological_order(struct commit_list **, enum rev_sort_order);
 
 struct commit_graft {
        unsigned char sha1[20];
@@ -178,6 +201,10 @@ 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 int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
+extern void setup_alternate_shallow(struct lock_file *shallow_lock,
+                                   const char **alternate_shallow_file);
+extern char *setup_temporary_shallow(void);
 
 int is_descendant_of(struct commit *, struct commit_list *);
 int in_merge_bases(struct commit *, struct commit *);
@@ -185,7 +212,7 @@ 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)
 {
@@ -245,4 +272,6 @@ extern void print_commit_list(struct commit_list *list,
  */
 extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc);
 
+int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);
+
 #endif /* COMMIT_H */