#include "gpg-interface.h"
#include "string-list.h"
#include "pretty.h"
+#include "commit-slab.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 repo_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_gently(struct commit *item, int quiet_on_missing);
-static inline int parse_commit(struct commit *item)
+int parse_commit_buffer(struct repository *r, struct commit *item, const void *buffer, unsigned long size, int check_graph);
+int repo_parse_commit_internal(struct repository *r, struct commit *item,
+ int quiet_on_missing, int use_commit_graph);
+int repo_parse_commit_gently(struct repository *r,
+ struct commit *item,
+ int quiet_on_missing);
+static inline int repo_parse_commit(struct repository *r, struct commit *item)
+{
+ return repo_parse_commit_gently(r, item, 0);
+}
+
+static inline int parse_commit_no_graph(struct commit *commit)
{
- return parse_commit_gently(item, 0);
+ return repo_parse_commit_internal(the_repository, commit, 0, 0);
}
+
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define parse_commit_internal(item, quiet, use) repo_parse_commit_internal(the_repository, item, quiet, use)
+#define parse_commit_gently(item, quiet) repo_parse_commit_gently(the_repository, item, quiet)
+#define parse_commit(item) repo_parse_commit(the_repository, item)
+#endif
+
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
* from disk. The resulting memory should not be modified, and must be given
* to unuse_commit_buffer when the caller is done.
*/
-const void *get_commit_buffer(const struct commit *, unsigned long *size);
+const void *repo_get_commit_buffer(struct repository *r,
+ const struct commit *,
+ unsigned long *size);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define get_commit_buffer(c, s) repo_get_commit_buffer(the_repository, c, s)
+#endif
/*
- * Tell the commit subsytem that we are done with a particular commit buffer.
+ * Tell the commit subsystem that we are done with a particular commit buffer.
* The commit and buffer should be the input and return value, respectively,
* from an earlier call to get_commit_buffer. The buffer may or may not be
* freed by this call; callers should not access the memory afterwards.
*/
-void unuse_commit_buffer(const struct commit *, const void *buffer);
+void repo_unuse_commit_buffer(struct repository *r,
+ const struct commit *,
+ const void *buffer);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define unuse_commit_buffer(c, b) repo_unuse_commit_buffer(the_repository, c, b)
+#endif
/*
* Free any cached object buffer associated with the commit.
*/
-void free_commit_buffer(struct commit *);
+void free_commit_buffer(struct parsed_object_pool *pool, struct commit *);
+
+struct tree *repo_get_commit_tree(struct repository *, const struct commit *);
+#define get_commit_tree(c) repo_get_commit_tree(the_repository, c)
+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 parsed_object_pool *pool, struct commit *c);
/*
* Disassociate any cached object buffer from the commit, but do not free it.
struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
-extern int has_non_ascii(const char *text);
-extern const char *logmsg_reencode(const struct commit *commit,
- char **commit_encoding,
- const char *output_encoding);
-extern const char *skip_blank_lines(const char *msg);
+int has_non_ascii(const char *text);
+const char *logmsg_reencode(const struct commit *commit,
+ char **commit_encoding,
+ const char *output_encoding);
+const char *repo_logmsg_reencode(struct repository *r,
+ const struct commit *commit,
+ char **commit_encoding,
+ const char *output_encoding);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define logmsg_reencode(c, enc, out) repo_logmsg_reencode(the_repository, c, enc, out)
+#endif
+
+const char *skip_blank_lines(const char *msg);
/** Removes the first commit from a list sorted by date, and adds all
* of its parents.
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);
+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);
-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);
+struct commit *get_fork_point(const char *refname, struct commit *commit);
/* 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 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 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 register_shallow(struct repository *r, const struct object_id *oid);
+int unregister_shallow(const struct object_id *oid);
+int for_each_commit_graft(each_commit_graft_fn, void *);
+int is_repository_shallow(struct repository *r);
+struct commit_list *get_shallow_commits(struct object_array *heads,
+ int depth, int shallow_flag, int not_shallow_flag);
+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 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,
- const char **alternate_shallow_file,
- const struct oid_array *extra);
-extern const char *setup_temporary_shallow(const struct oid_array *extra);
-extern void advertise_shallow_grafts(int);
+void set_alternate_shallow_file(struct repository *r, const char *path, int override);
+int write_shallow_commits(struct strbuf *out, int use_pack_protocol,
+ const struct oid_array *extra);
+void setup_alternate_shallow(struct lock_file *shallow_lock,
+ const char **alternate_shallow_file,
+ const struct oid_array *extra);
+const char *setup_temporary_shallow(const struct oid_array *extra);
+void advertise_shallow_grafts(int);
+/*
+ * Initialize with prepare_shallow_info() or zero-initialize (equivalent to
+ * prepare_shallow_info with a NULL oid_array).
+ */
struct shallow_info {
struct oid_array *shallow;
int *ours, nr_ours;
int nr_commits;
};
-extern void prepare_shallow_info(struct shallow_info *, struct oid_array *);
-extern void clear_shallow_info(struct shallow_info *);
-extern void remove_nonexistent_theirs_shallow(struct shallow_info *);
-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);
-extern void prune_shallow(int show_only);
+void prepare_shallow_info(struct shallow_info *, struct oid_array *);
+void clear_shallow_info(struct shallow_info *);
+void remove_nonexistent_theirs_shallow(struct shallow_info *);
+void assign_shallow_commits_to_refs(struct shallow_info *info,
+ uint32_t **used,
+ int *ref_status);
+int delayed_reachability_test(struct shallow_info *si, int c);
+#define PRUNE_SHOW_ONLY 1
+#define PRUNE_QUICK 2
+void prune_shallow(unsigned options);
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);
+int interactive_add(int argc, const char **argv, const char *prefix, int patch);
+int run_add_interactive(const char *revision, const char *patch_mode,
+ const struct pathspec *pathspec);
struct commit_extra_header {
struct commit_extra_header *next;
size_t len;
};
-extern void append_merge_tag_headers(struct commit_list *parents,
- struct commit_extra_header ***tail);
+void append_merge_tag_headers(struct commit_list *parents,
+ struct commit_extra_header ***tail);
-extern int commit_tree(const char *msg, size_t msg_len,
- const struct object_id *tree,
- struct commit_list *parents, struct object_id *ret,
- const char *author, const char *sign_commit);
+int commit_tree(const char *msg, size_t msg_len,
+ const struct object_id *tree,
+ struct commit_list *parents, struct object_id *ret,
+ const char *author, const char *sign_commit);
-extern int commit_tree_extended(const char *msg, size_t msg_len,
- const struct object_id *tree,
- struct commit_list *parents,
- struct object_id *ret, const char *author,
- const char *sign_commit,
- struct commit_extra_header *);
+int commit_tree_extended(const char *msg, size_t msg_len,
+ const struct object_id *tree,
+ struct commit_list *parents,
+ struct object_id *ret, const char *author,
+ const char *sign_commit,
+ struct commit_extra_header *);
-extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
+struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
-extern void free_commit_extra_headers(struct commit_extra_header *extra);
+void free_commit_extra_headers(struct commit_extra_header *extra);
/*
* Search the commit object contents given by "msg" for the header "key".
* Note that some headers (like mergetag) may be multi-line. It is the caller's
* responsibility to parse further in this case!
*/
-extern const char *find_commit_header(const char *msg, const char *key,
- size_t *out_len);
+const char *find_commit_header(const char *msg, const 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);
+size_t ignore_non_trailer(const char *buf, size_t len);
-typedef void (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
- void *cb_data);
+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);
+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 void set_merge_remote_desc(struct commit *commit,
- const char *name, struct object *obj);
+struct merge_remote_desc *merge_remote_util(struct commit *);
+void set_merge_remote_desc(struct commit *commit,
+ const char *name, struct object *obj);
/*
* Given "name" from the command line to merge, find the commit object
*/
struct commit *get_merge_parent(const char *name);
-extern int parse_signed_commit(const struct commit *commit,
- struct strbuf *message, struct strbuf *signature);
-extern int remove_signature(struct strbuf *buf);
+int parse_signed_commit(const struct commit *commit,
+ struct strbuf *message, struct strbuf *signature);
+int remove_signature(struct strbuf *buf);
/*
* Check the signature of the given commit. The result of the check is stored
* at all. This may allocate memory for sig->gpg_output, sig->gpg_status,
* sig->signer and sig->key.
*/
-extern int check_commit_signature(const struct commit *commit, struct signature_check *sigc);
+int check_commit_signature(const struct commit *commit, struct signature_check *sigc);
+
+/* record author-date for each commit object */
+struct author_date_slab;
+void record_author_date(struct author_date_slab *author_date,
+ struct commit *commit);
+
+int compare_commits_by_author_date(const void *a_, const void *b_, void *unused);
+
+/*
+ * Verify a single commit with check_commit_signature() and die() if it is not
+ * a good signature. This isn't really suitable for general use, but is a
+ * helper to implement consistent logic for pull/merge --verify-signatures.
+ */
+void verify_merge_signature(struct commit *commit, int verbose);
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, ...);
+int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...);
#endif /* COMMIT_H */
projects / thirdparty / git.git / blobdiff