#include "string-list.h"
#include "pretty.h"
+#define COMMIT_NOT_FROM_GRAPH 0xFFFFFFFF
+#define GENERATION_NUMBER_INFINITY 0xFFFFFFFF
+#define GENERATION_NUMBER_MAX 0x3FFFFFFF
+#define GENERATION_NUMBER_ZERO 0
+
struct commit_list {
struct commit *item;
struct commit_list *next;
};
+/*
+ * The size of this struct matters in full repo walk operations like
+ * 'git clone' or 'git gc'. Consider using commit-slab to attach data
+ * to a commit instead of adding new fields here.
+ */
struct commit {
struct object object;
- void *util;
- unsigned int index;
timestamp_t date;
struct commit_list *parents;
- struct tree *tree;
+
+ /*
+ * If the commit is loaded from the commit-graph file, then this
+ * member may be NULL. Only access it through get_commit_tree()
+ * or get_commit_tree_oid().
+ */
+ struct tree *maybe_tree;
+ uint32_t graph_pos;
+ uint32_t generation;
+ unsigned int index;
};
extern int save_commit_buffer;
void add_name_decoration(enum decoration_type type, const char *name, struct object *obj);
const struct name_decoration *get_name_decoration(const struct object *obj);
-struct commit *lookup_commit(const struct object_id *oid);
-struct commit *lookup_commit_reference(const struct object_id *oid);
-struct commit *lookup_commit_reference_gently(const struct object_id *oid,
+struct commit *lookup_commit(struct repository *r, const struct object_id *oid);
+struct commit *lookup_commit_reference(struct repository *r,
+ const struct object_id *oid);
+struct commit *lookup_commit_reference_gently(struct repository *r,
+ const struct object_id *oid,
int quiet);
struct commit *lookup_commit_reference_by_name(const char *name);
*/
struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name);
-int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size);
+int parse_commit_buffer(struct repository *r, struct commit *item, const void *buffer, unsigned long size, int check_graph);
+int parse_commit_internal(struct commit *item, int quiet_on_missing, int use_commit_graph);
int parse_commit_gently(struct commit *item, int quiet_on_missing);
static inline int parse_commit(struct commit *item)
{
}
void parse_commit_or_die(struct commit *item);
+struct buffer_slab;
+struct buffer_slab *allocate_commit_buffer_slab(void);
+void free_commit_buffer_slab(struct buffer_slab *bs);
+
/*
* Associate an object buffer with the commit. The ownership of the
* memory is handed over to the commit, and must be free()-able.
*/
-void set_commit_buffer(struct commit *, void *buffer, unsigned long size);
+void set_commit_buffer(struct repository *r, struct commit *, void *buffer, unsigned long size);
/*
* Get any cached object buffer associated with the commit. Returns NULL
* if none. The resulting memory should not be freed.
*/
-const void *get_cached_commit_buffer(const struct commit *, unsigned long *size);
+const void *get_cached_commit_buffer(struct repository *, const struct commit *, unsigned long *size);
/*
* Get the commit's object contents, either from cache or by reading the object
*/
void free_commit_buffer(struct commit *);
+struct tree *get_commit_tree(const struct commit *);
+struct object_id *get_commit_tree_oid(const struct commit *);
+
+/*
+ * Release memory related to a commit, including the parent list and
+ * any cached object buffer.
+ */
+void release_commit_memory(struct commit *c);
+
/*
* Disassociate any cached object buffer from the commit, but do not free it.
* The buffer (or NULL, if none) is returned.
typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
struct commit_graft *read_graft_line(struct strbuf *line);
-int register_commit_graft(struct commit_graft *, int);
-struct commit_graft *lookup_commit_graft(const struct object_id *oid);
-
-extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2);
-extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos);
-extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
-
-/* To be used only when object flags after this call no longer matter */
-extern struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct commit **twos);
+int register_commit_graft(struct repository *r, struct commit_graft *, int);
+void prepare_commit_graft(struct repository *r);
+struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid);
/* largest positive number a signed 32-bit integer can contain */
#define INFINITE_DEPTH 0x7fffffff
struct oid_array;
struct ref;
-extern int register_shallow(const struct object_id *oid);
+extern int register_shallow(struct repository *r, const struct object_id *oid);
extern int unregister_shallow(const struct object_id *oid);
extern int for_each_commit_graft(each_commit_graft_fn, void *);
-extern int is_repository_shallow(void);
+extern int is_repository_shallow(struct repository *r);
extern struct commit_list *get_shallow_commits(struct object_array *heads,
int depth, int shallow_flag, int not_shallow_flag);
extern struct commit_list *get_shallow_commits_by_rev_list(
int ac, const char **av, int shallow_flag, int not_shallow_flag);
-extern void set_alternate_shallow_file(const char *path, int override);
+extern void set_alternate_shallow_file(struct repository *r, const char *path, int override);
extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
const struct oid_array *extra);
extern void setup_alternate_shallow(struct lock_file *shallow_lock,
extern void prune_shallow(int show_only);
extern struct trace_key trace_shallow;
-int is_descendant_of(struct commit *, struct commit_list *);
-int in_merge_bases(struct commit *, struct commit *);
-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 struct pathspec *pathspec);
-/*
- * Takes a list of commits and returns a new list where those
- * have been removed that can be reached from other commits in
- * the list. It is useful for, e.g., reducing the commits
- * randomly thrown at the git-merge command and removing
- * redundant commits that the user shouldn't have given to it.
- *
- * This function destroys the STALE bit of the commit objects'
- * flags.
- */
-extern struct commit_list *reduce_heads(struct commit_list *heads);
-
-/*
- * Like `reduce_heads()`, except it replaces the list. Use this
- * instead of `foo = reduce_heads(foo);` to avoid memory leaks.
- */
-extern void reduce_heads_replace(struct commit_list **heads);
-
struct commit_extra_header {
struct commit_extra_header *next;
char *key;
size_t *out_len);
/* Find the end of the log message, the right place for a new trailer. */
-extern int ignore_non_trailer(const char *buf, size_t len);
+extern size_t ignore_non_trailer(const char *buf, size_t len);
-typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
+typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
void *cb_data);
-extern void for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data);
+extern int for_each_mergetag(each_mergetag_fn fn, struct commit *commit, void *data);
struct merge_remote_desc {
struct object *obj; /* the named object, could be a tag */
char name[FLEX_ARRAY];
};
-#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
+extern struct merge_remote_desc *merge_remote_util(struct commit *);
extern void set_merge_remote_desc(struct commit *commit,
const char *name, struct object *obj);
extern int 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);
+int compare_commits_by_gen_then_commit_date(const void *a_, const void *b_, void *unused);
LAST_ARG_MUST_BE_NULL
extern int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...);
projects / thirdparty / git.git / blobdiff