diff options
Diffstat (limited to 'diff.h')
| -rw-r--r-- | diff.h | 73 |
1 files changed, 61 insertions, 12 deletions
@@ -49,7 +49,17 @@ * - Once you finish feeding the pairs of files, call `diffcore_std()`. * This will tell the diffcore library to go ahead and do its work. * - * - Calling `diff_flush()` will produce the output. + * - Calling `diff_flush()` will produce the output, it will call + * `diff_free()` to free any resources, e.g. those allocated in + * `diff_opt_parse()`. + * + * - Set `.no_free = 1` before calling `diff_flush()` to defer the + * freeing of allocated memory in diff_options. This is useful when + * `diff_flush()` is being called in a loop, rather than as a + * one-off. When setting `.no_free = 1` you must ensure that + * `diff_free()` is called at the end, either by flipping the flag + * before the last `diff_flush()` call, or by flipping it before + * calling `diff_free()` yourself. */ struct combine_diff_path; @@ -178,6 +188,7 @@ struct diff_flags { unsigned diff_from_contents; unsigned dirty_submodules; unsigned ignore_untracked_in_submodules; + unsigned ignore_submodule_set; unsigned ignore_dirty_submodules; unsigned override_submodule_config; unsigned dirstat_by_line; @@ -226,6 +237,27 @@ enum diff_submodule_format { struct diff_options { const char *orderfile; + /* + * "--rotate-to=<file>" would start showing at <file> and when + * the output reaches the end, wrap around by default. + * Setting skip_instead_of_rotate to true stops the output at the + * end, effectively discarding the earlier part of the output + * before <file>'s diff (this is used to implement the + * "--skip-to=<file>" option). + * + * When rotate_to_strict is set, it is an error if there is no + * <file> in the diff. Otherwise, the output starts at the + * path that is the same as, or first path that sorts after, + * <file>. Because it is unreasonable to require the exact + * match for "git log -p --rotate-to=<file>" (i.e. not all + * commit would touch that single <file>), "git log" sets it + * to false. "git diff" sets it to true to detect an error + * in the command line option. + */ + const char *rotate_to; + int skip_instead_of_rotate; + int rotate_to_strict; + /** * A constant string (can and typically does contain newlines to look for * a block of text, not just a single line) to filter out the filepairs @@ -234,6 +266,10 @@ struct diff_options { */ const char *pickaxe; + /* -I<regex> */ + regex_t **ignore_regex; + size_t ignore_regex_nr, ignore_regex_alloc; + const char *single_follow; const char *a_prefix, *b_prefix; const char *line_prefix; @@ -287,8 +323,6 @@ struct diff_options { /* If non-zero, then stop computing after this many changes. */ int max_changes; - /* For internal use only. */ - int num_changes; int ita_invisible_in_index; /* white-space error highlighting */ @@ -362,6 +396,8 @@ struct diff_options { struct repository *repo; struct option *parseopts; + + int no_free; }; unsigned diff_filter_bit(char status); @@ -431,11 +467,11 @@ struct combine_diff_path *diff_tree_paths( struct combine_diff_path *p, const struct object_id *oid, const struct object_id **parents_oid, int nparent, struct strbuf *base, struct diff_options *opt); -int diff_tree_oid(const struct object_id *old_oid, - const struct object_id *new_oid, - const char *base, struct diff_options *opt); -int diff_root_tree_oid(const struct object_id *new_oid, const char *base, - struct diff_options *opt); +void diff_tree_oid(const struct object_id *old_oid, + const struct object_id *new_oid, + const char *base, struct diff_options *opt); +void diff_root_tree_oid(const struct object_id *new_oid, const char *base, + struct diff_options *opt); struct combine_diff_path { struct combine_diff_path *next; @@ -454,11 +490,11 @@ struct combine_diff_path { st_mult(sizeof(struct combine_diff_parent), (n))) void show_combined_diff(struct combine_diff_path *elem, int num_parent, - int dense, struct rev_info *); + struct rev_info *); -void diff_tree_combined(const struct object_id *oid, const struct oid_array *parents, int dense, struct rev_info *rev); +void diff_tree_combined(const struct object_id *oid, const struct oid_array *parents, struct rev_info *rev); -void diff_tree_combined_merge(const struct commit *commit, int dense, struct rev_info *rev); +void diff_tree_combined_merge(const struct commit *commit, struct rev_info *rev); void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b); @@ -556,6 +592,7 @@ void diffcore_fix_diff_index(void); int diff_queue_is_empty(void); void diff_flush(struct diff_options*); +void diff_free(struct diff_options*); void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc); /* diff-raw status letters */ @@ -580,12 +617,17 @@ void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc); */ const char *diff_aligned_abbrev(const struct object_id *sha1, int); +void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb); + /* do not report anything on removed paths */ #define DIFF_SILENT_ON_REMOVED 01 /* report racily-clean paths as modified */ #define DIFF_RACY_IS_MODIFIED 02 int run_diff_files(struct rev_info *revs, unsigned int option); -int run_diff_index(struct rev_info *revs, int cached); + +#define DIFF_INDEX_CACHED 01 +#define DIFF_INDEX_MERGE_BASE 02 +int run_diff_index(struct rev_info *revs, unsigned int option); int do_diff_cache(const struct object_id *, struct diff_options *); int diff_flush_patch_id(struct diff_options *, struct object_id *, int, int); @@ -601,6 +643,13 @@ int index_differs_from(struct repository *r, const char *def, int ita_invisible_in_index); /* + * Emit an interdiff of two object ID's to 'diff_options.file' optionally + * indented by 'indent' spaces. + */ +void show_interdiff(const struct object_id *, const struct object_id *, + int indent, struct diff_options *); + +/* * Fill the contents of the filespec "df", respecting any textconv defined by * its userdiff driver. The "driver" parameter must come from a * previous call to get_textconv(), and therefore should either be NULL or have |