diff options
Diffstat (limited to 'revision.h')
| -rw-r--r-- | revision.h | 116 |
1 files changed, 102 insertions, 14 deletions
diff --git a/revision.h b/revision.h index 4134dc6029..fbb068da9f 100644 --- a/revision.h +++ b/revision.h @@ -9,6 +9,19 @@ #include "diff.h" #include "commit-slab-decl.h" +/** + * The revision walking API offers functions to build a list of revisions + * and then iterate over that list. + * + * Calling sequence + * ---------------- + * + * The walking API has a given calling sequence: first you need to initialize + * a rev_info structure, then add revisions to control what kind of revision + * list do you want to get, finally you can iterate over the revision list. + * + */ + /* Remember to update object flag allocation in object.h */ #define SEEN (1u<<0) #define UNINTERESTING (1u<<1) @@ -21,19 +34,20 @@ #define SYMMETRIC_LEFT (1u<<8) #define PATCHSAME (1u<<9) #define BOTTOM (1u<<10) + +/* WARNING: This is also used as REACHABLE in commit-graph.c. */ +#define PULL_MERGE (1u<<15) + +#define TOPO_WALK_EXPLORED (1u<<23) +#define TOPO_WALK_INDEGREE (1u<<24) + /* * Indicates object was reached by traversal. i.e. not given by user on * command-line or stdin. - * NEEDSWORK: NOT_USER_GIVEN doesn't apply to commits because we only support - * filtering trees and blobs, but it may be useful to support filtering commits - * in the future. */ #define NOT_USER_GIVEN (1u<<25) #define TRACK_LINEAR (1u<<26) -#define ALL_REV_FLAGS (((1u<<11)-1) | NOT_USER_GIVEN | TRACK_LINEAR) - -#define TOPO_WALK_EXPLORED (1u<<27) -#define TOPO_WALK_INDEGREE (1u<<28) +#define ALL_REV_FLAGS (((1u<<11)-1) | NOT_USER_GIVEN | TRACK_LINEAR | PULL_MERGE) #define DECORATE_SHORT_REFS 1 #define DECORATE_FULL_REFS 2 @@ -43,6 +57,8 @@ struct repository; struct rev_info; struct string_list; struct saved_parents; +struct bloom_key; +struct bloom_filter_settings; define_shared_commit_slab(revision_sources, char *); struct rev_cmdline_info { @@ -116,6 +132,7 @@ struct rev_info { no_walk:2, remove_empty_trees:1, simplify_history:1, + show_pulls:1, topo_order:1, simplify_merges:1, simplify_by_decoration:1, @@ -128,6 +145,7 @@ struct rev_info { edge_hint_aggressive:1, limited:1, unpacked:1, + no_kept_objects:1, boundary:2, count:1, left_right:1, @@ -168,19 +186,25 @@ struct rev_info { unsigned int diff:1, full_diff:1, show_root_diff:1, + match_missing:1, no_commit_id:1, verbose_header:1, - ignore_merges:1, + always_show_header:1, + /* Diff-merge flags */ + explicit_diff_merges: 1, + merges_need_diff: 1, + merges_imply_patch:1, + separate_merges: 1, combine_merges:1, combined_all_paths:1, dense_combined_merges:1, - always_show_header:1; + first_parent_merges:1; /* Format info */ + int show_notes; unsigned int shown_one:1, shown_dashes:1, show_merge:1, - show_notes:1, show_notes_given:1, show_signature:1, pretty_given:1, @@ -190,7 +214,9 @@ struct rev_info { use_terminator:1, missing_newline:1, date_mode_explicit:1, - preserve_subject:1; + preserve_subject:1, + encode_email_headers:1, + include_header:1; unsigned int disable_stdin:1; /* --show-linear-break */ unsigned int track_linear:1, @@ -208,7 +234,7 @@ struct rev_info { const char *mime_boundary; const char *patch_suffix; int numbered_files; - int reroll_count; + const char *reroll_count; char *message_id; struct ident_split from_ident; struct string_list *ref_message_ids; @@ -216,6 +242,7 @@ struct rev_info { const char *extra_headers; const char *log_reencode; const char *subject_prefix; + int patch_name_max; int no_inline; int show_log_size; struct string_list *mailmap; @@ -236,6 +263,7 @@ struct rev_info { int min_parents; int max_parents; int (*include_check)(struct commit *, void *); + int (*include_check_obj)(struct object *obj, void *); void *include_check_data; /* diff info for patches and for paths limiting */ @@ -278,6 +306,20 @@ struct rev_info { struct revision_sources *sources; struct topo_walk_info *topo_walk_info; + + /* Commit graph bloom filter fields */ + /* The bloom filter key(s) for the pathspec */ + struct bloom_key *bloom_keys; + int bloom_keys_nr; + + /* + * The bloom filter settings used to generate the key. + * This is loaded from the commit-graph being used. + */ + struct bloom_filter_settings *bloom_filter_settings; + + /* misc. flags related to '--no-kept-objects' */ + unsigned keep_pack_cache_flags; }; int ref_excluded(struct string_list *, const char *path); @@ -306,11 +348,29 @@ struct setup_revision_opt { #ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS #define init_revisions(revs, prefix) repo_init_revisions(the_repository, revs, prefix) #endif + +/** + * Initialize a rev_info structure with default values. The third parameter may + * be NULL or can be prefix path, and then the `.prefix` variable will be set + * to it. This is typically the first function you want to call when you want + * to deal with a revision list. After calling this function, you are free to + * customize options, like set `.ignore_merges` to 0 if you don't want to + * ignore merges, and so on. + */ void repo_init_revisions(struct repository *r, struct rev_info *revs, const char *prefix); + +/** + * Parse revision information, filling in the `rev_info` structure, and + * removing the used arguments from the argument list. Returns the number + * of arguments left that weren't recognized, which are also moved to the + * head of the argument list. The last parameter is used in case no + * parameter given by the first two arguments. + */ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *); + void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx, const struct option *options, const char * const usagestr[]); @@ -319,11 +379,28 @@ void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx, int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt); +/** + * Reset the flags used by the revision walking api. You can use this to do + * multiple sequential revision walks. + */ void reset_revision_walk(void); + +/** + * Prepares the rev_info structure for a walk. You should check if it returns + * any error (non-zero return code) and if it does not, you can start using + * get_revision() to do the iteration. + */ int prepare_revision_walk(struct rev_info *revs); + +/** + * Takes a pointer to a `rev_info` structure and iterates over it, returning a + * `struct commit *` each time you call it. The end of the revision list is + * indicated by returning a NULL pointer. + */ struct commit *get_revision(struct rev_info *revs); -char *get_revision_mark(const struct rev_info *revs, - const struct commit *commit); + +const char *get_revision_mark(const struct rev_info *revs, + const struct commit *commit); void put_revision_mark(const struct rev_info *revs, const struct commit *commit); @@ -333,8 +410,19 @@ void mark_trees_uninteresting_sparse(struct repository *r, struct oidset *trees) void show_object_with_name(FILE *, struct object *, const char *); +/** + * This function can be used if you want to add commit objects as revision + * information. You can use the `UNINTERESTING` object flag to indicate if + * you want to include or exclude the given commit (and commits reachable + * from the given commit) from the revision list. + * + * NOTE: If you have the commits as a string list then you probably want to + * use setup_revisions(), instead of parsing each string and using this + * function. + */ void add_pending_object(struct rev_info *revs, struct object *obj, const char *name); + void add_pending_oid(struct rev_info *revs, const char *name, const struct object_id *oid, unsigned int flags); |