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-rw-r--r--diff.h310
1 files changed, 200 insertions, 110 deletions
diff --git a/diff.h b/diff.h
index 125447be09..a30cc35ec3 100644
--- a/diff.h
+++ b/diff.h
@@ -7,6 +7,7 @@
#include "tree-walk.h"
#include "pathspec.h"
#include "object.h"
+#include "oidset.h"
struct rev_info;
struct diff_options;
@@ -14,7 +15,7 @@ struct diff_queue_struct;
struct strbuf;
struct diff_filespec;
struct userdiff_driver;
-struct sha1_array;
+struct oid_array;
struct commit;
struct combine_diff_path;
@@ -23,16 +24,16 @@ typedef int (*pathchange_fn_t)(struct diff_options *options,
typedef void (*change_fn_t)(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
- const unsigned char *old_sha1,
- const unsigned char *new_sha1,
- int old_sha1_valid, int new_sha1_valid,
+ const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ int old_oid_valid, int new_oid_valid,
const char *fullpath,
unsigned old_dirty_submodule, unsigned new_dirty_submodule);
typedef void (*add_remove_fn_t)(struct diff_options *options,
int addremove, unsigned mode,
- const unsigned char *sha1,
- int sha1_valid,
+ const struct object_id *oid,
+ int oid_valid,
const char *fullpath, unsigned dirty_submodule);
typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
@@ -60,43 +61,54 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
#define DIFF_FORMAT_CALLBACK 0x1000
-#define DIFF_OPT_RECURSIVE (1 << 0)
-#define DIFF_OPT_TREE_IN_RECURSIVE (1 << 1)
-#define DIFF_OPT_BINARY (1 << 2)
-#define DIFF_OPT_TEXT (1 << 3)
-#define DIFF_OPT_FULL_INDEX (1 << 4)
-#define DIFF_OPT_SILENT_ON_REMOVE (1 << 5)
-#define DIFF_OPT_FIND_COPIES_HARDER (1 << 6)
-#define DIFF_OPT_FOLLOW_RENAMES (1 << 7)
-#define DIFF_OPT_RENAME_EMPTY (1 << 8)
-/* (1 << 9) unused */
-#define DIFF_OPT_HAS_CHANGES (1 << 10)
-#define DIFF_OPT_QUICK (1 << 11)
-#define DIFF_OPT_NO_INDEX (1 << 12)
-#define DIFF_OPT_ALLOW_EXTERNAL (1 << 13)
-#define DIFF_OPT_EXIT_WITH_STATUS (1 << 14)
-#define DIFF_OPT_REVERSE_DIFF (1 << 15)
-#define DIFF_OPT_CHECK_FAILED (1 << 16)
-#define DIFF_OPT_RELATIVE_NAME (1 << 17)
-#define DIFF_OPT_IGNORE_SUBMODULES (1 << 18)
-#define DIFF_OPT_DIRSTAT_CUMULATIVE (1 << 19)
-#define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20)
-#define DIFF_OPT_ALLOW_TEXTCONV (1 << 21)
-#define DIFF_OPT_DIFF_FROM_CONTENTS (1 << 22)
-#define DIFF_OPT_SUBMODULE_LOG (1 << 23)
-#define DIFF_OPT_DIRTY_SUBMODULES (1 << 24)
-#define DIFF_OPT_IGNORE_UNTRACKED_IN_SUBMODULES (1 << 25)
-#define DIFF_OPT_IGNORE_DIRTY_SUBMODULES (1 << 26)
-#define DIFF_OPT_OVERRIDE_SUBMODULE_CONFIG (1 << 27)
-#define DIFF_OPT_DIRSTAT_BY_LINE (1 << 28)
-#define DIFF_OPT_FUNCCONTEXT (1 << 29)
-#define DIFF_OPT_PICKAXE_IGNORE_CASE (1 << 30)
-#define DIFF_OPT_DEFAULT_FOLLOW_RENAMES (1U << 31)
-
-#define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag)
-#define DIFF_OPT_TOUCHED(opts, flag) ((opts)->touched_flags & DIFF_OPT_##flag)
-#define DIFF_OPT_SET(opts, flag) (((opts)->flags |= DIFF_OPT_##flag),((opts)->touched_flags |= DIFF_OPT_##flag))
-#define DIFF_OPT_CLR(opts, flag) (((opts)->flags &= ~DIFF_OPT_##flag),((opts)->touched_flags |= DIFF_OPT_##flag))
+#define DIFF_FLAGS_INIT { 0 }
+struct diff_flags {
+ unsigned recursive:1;
+ unsigned tree_in_recursive:1;
+ unsigned binary:1;
+ unsigned text:1;
+ unsigned full_index:1;
+ unsigned silent_on_remove:1;
+ unsigned find_copies_harder:1;
+ unsigned follow_renames:1;
+ unsigned rename_empty:1;
+ unsigned has_changes:1;
+ unsigned quick:1;
+ unsigned no_index:1;
+ unsigned allow_external:1;
+ unsigned exit_with_status:1;
+ unsigned reverse_diff:1;
+ unsigned check_failed:1;
+ unsigned relative_name:1;
+ unsigned ignore_submodules:1;
+ unsigned dirstat_cumulative:1;
+ unsigned dirstat_by_file:1;
+ unsigned allow_textconv:1;
+ unsigned textconv_set_via_cmdline:1;
+ unsigned diff_from_contents:1;
+ unsigned dirty_submodules:1;
+ unsigned ignore_untracked_in_submodules:1;
+ unsigned ignore_dirty_submodules:1;
+ unsigned override_submodule_config:1;
+ unsigned dirstat_by_line:1;
+ unsigned funccontext:1;
+ unsigned default_follow_renames:1;
+ unsigned stat_with_summary:1;
+ unsigned suppress_diff_headers:1;
+ unsigned dual_color_diffed_diffs:1;
+};
+
+static inline void diff_flags_or(struct diff_flags *a,
+ const struct diff_flags *b)
+{
+ char *tmp_a = (char *)a;
+ const char *tmp_b = (const char *)b;
+ int i;
+
+ for (i = 0; i < sizeof(struct diff_flags); i++)
+ tmp_a[i] |= tmp_b[i];
+}
+
#define DIFF_XDL_TST(opts, flag) ((opts)->xdl_opts & XDF_##flag)
#define DIFF_XDL_SET(opts, flag) ((opts)->xdl_opts |= XDF_##flag)
#define DIFF_XDL_CLR(opts, flag) ((opts)->xdl_opts &= ~XDF_##flag)
@@ -110,13 +122,20 @@ enum diff_words_type {
DIFF_WORDS_COLOR
};
+enum diff_submodule_format {
+ DIFF_SUBMODULE_SHORT = 0,
+ DIFF_SUBMODULE_LOG,
+ DIFF_SUBMODULE_INLINE_DIFF
+};
+
struct diff_options {
const char *orderfile;
const char *pickaxe;
const char *single_follow;
const char *a_prefix, *b_prefix;
- unsigned flags;
- unsigned touched_flags;
+ const char *line_prefix;
+ size_t line_prefix_length;
+ struct diff_flags flags;
/* diff-filter bits */
unsigned int filter;
@@ -130,7 +149,7 @@ struct diff_options {
int skip_stat_unmatch;
int line_termination;
int output_format;
- int pickaxe_opts;
+ unsigned pickaxe_opts;
int rename_score;
int rename_limit;
int needed_rename_limit;
@@ -139,22 +158,30 @@ struct diff_options {
int dirstat_permille;
int setup;
int abbrev;
+ int ita_invisible_in_index;
/* white-space error highlighting */
-#define WSEH_NEW 1
-#define WSEH_CONTEXT 2
-#define WSEH_OLD 4
+#define WSEH_NEW (1<<12)
+#define WSEH_CONTEXT (1<<13)
+#define WSEH_OLD (1<<14)
unsigned ws_error_highlight;
const char *prefix;
int prefix_length;
const char *stat_sep;
long xdl_opts;
+ /* see Documentation/diff-options.txt */
+ char **anchors;
+ size_t anchors_nr, anchors_alloc;
+
int stat_width;
int stat_name_width;
int stat_graph_width;
int stat_count;
const char *word_regex;
enum diff_words_type word_diff;
+ enum diff_submodule_format submodule_format;
+
+ struct oidset *objfind;
/* this is set by diffcore for DIFF_FORMAT_PATCH */
int found_changes;
@@ -167,19 +194,48 @@ struct diff_options {
FILE *file;
int close_file;
+#define OUTPUT_INDICATOR_NEW 0
+#define OUTPUT_INDICATOR_OLD 1
+#define OUTPUT_INDICATOR_CONTEXT 2
+ char output_indicators[3];
+
struct pathspec pathspec;
pathchange_fn_t pathchange;
change_fn_t change;
add_remove_fn_t add_remove;
+ void *change_fn_data;
diff_format_fn_t format_callback;
void *format_callback_data;
diff_prefix_fn_t output_prefix;
- int output_prefix_length;
void *output_prefix_data;
int diff_path_counter;
+
+ struct emitted_diff_symbols *emitted_symbols;
+ enum {
+ COLOR_MOVED_NO = 0,
+ COLOR_MOVED_PLAIN = 1,
+ COLOR_MOVED_BLOCKS = 2,
+ COLOR_MOVED_ZEBRA = 3,
+ COLOR_MOVED_ZEBRA_DIM = 4,
+ } color_moved;
+ #define COLOR_MOVED_DEFAULT COLOR_MOVED_ZEBRA
+ #define COLOR_MOVED_MIN_ALNUM_COUNT 20
+
+ /* XDF_WHITESPACE_FLAGS regarding block detection are set at 2, 3, 4 */
+ #define COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE (1<<5)
+ int color_moved_ws_handling;
};
+void diff_emit_submodule_del(struct diff_options *o, const char *line);
+void diff_emit_submodule_add(struct diff_options *o, const char *line);
+void diff_emit_submodule_untracked(struct diff_options *o, const char *path);
+void diff_emit_submodule_modified(struct diff_options *o, const char *path);
+void diff_emit_submodule_header(struct diff_options *o, const char *header);
+void diff_emit_submodule_error(struct diff_options *o, const char *err);
+void diff_emit_submodule_pipethrough(struct diff_options *o,
+ const char *line, int len);
+
enum color_diff {
DIFF_RESET = 0,
DIFF_CONTEXT = 1,
@@ -189,7 +245,21 @@ enum color_diff {
DIFF_FILE_NEW = 5,
DIFF_COMMIT = 6,
DIFF_WHITESPACE = 7,
- DIFF_FUNCINFO = 8
+ DIFF_FUNCINFO = 8,
+ DIFF_FILE_OLD_MOVED = 9,
+ DIFF_FILE_OLD_MOVED_ALT = 10,
+ DIFF_FILE_OLD_MOVED_DIM = 11,
+ DIFF_FILE_OLD_MOVED_ALT_DIM = 12,
+ DIFF_FILE_NEW_MOVED = 13,
+ DIFF_FILE_NEW_MOVED_ALT = 14,
+ DIFF_FILE_NEW_MOVED_DIM = 15,
+ DIFF_FILE_NEW_MOVED_ALT_DIM = 16,
+ DIFF_CONTEXT_DIM = 17,
+ DIFF_FILE_OLD_DIM = 18,
+ DIFF_FILE_NEW_DIM = 19,
+ DIFF_CONTEXT_BOLD = 20,
+ DIFF_FILE_OLD_BOLD = 21,
+ DIFF_FILE_NEW_BOLD = 22,
};
const char *diff_get_color(int diff_use_color, enum color_diff ix);
#define diff_get_color_opt(o, ix) \
@@ -201,14 +271,15 @@ const char *diff_line_prefix(struct diff_options *);
extern const char mime_boundary_leader[];
-extern struct combine_diff_path *diff_tree_paths(
- struct combine_diff_path *p, const unsigned char *sha1,
- const unsigned char **parent_sha1, int nparent,
+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);
-extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
- const char *base, struct diff_options *opt);
-extern int diff_root_tree_sha1(const unsigned char *new, const char *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);
struct combine_diff_path {
struct combine_diff_path *next;
@@ -225,52 +296,52 @@ struct combine_diff_path {
st_add4(sizeof(struct combine_diff_path), (l), 1, \
st_mult(sizeof(struct combine_diff_parent), (n)))
-extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
- int dense, struct rev_info *);
+void show_combined_diff(struct combine_diff_path *elem, int num_parent,
+ int dense, struct rev_info *);
-extern void diff_tree_combined(const unsigned char *sha1, const struct sha1_array *parents, int dense, struct rev_info *rev);
+void diff_tree_combined(const struct object_id *oid, const struct oid_array *parents, int dense, struct rev_info *rev);
-extern void diff_tree_combined_merge(const struct commit *commit, int dense, struct rev_info *rev);
+void diff_tree_combined_merge(const struct commit *commit, int dense, struct rev_info *rev);
void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
-extern int diff_can_quit_early(struct diff_options *);
+int diff_can_quit_early(struct diff_options *);
-extern void diff_addremove(struct diff_options *,
- int addremove,
- unsigned mode,
- const unsigned char *sha1,
- int sha1_valid,
- const char *fullpath, unsigned dirty_submodule);
+void diff_addremove(struct diff_options *,
+ int addremove,
+ unsigned mode,
+ const struct object_id *oid,
+ int oid_valid,
+ const char *fullpath, unsigned dirty_submodule);
-extern void diff_change(struct diff_options *,
- unsigned mode1, unsigned mode2,
- const unsigned char *sha1,
- const unsigned char *sha2,
- int sha1_valid,
- int sha2_valid,
- const char *fullpath,
- unsigned dirty_submodule1, unsigned dirty_submodule2);
+void diff_change(struct diff_options *,
+ unsigned mode1, unsigned mode2,
+ const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ int old_oid_valid, int new_oid_valid,
+ const char *fullpath,
+ unsigned dirty_submodule1, unsigned dirty_submodule2);
-extern struct diff_filepair *diff_unmerge(struct diff_options *, const char *path);
+struct diff_filepair *diff_unmerge(struct diff_options *, const char *path);
#define DIFF_SETUP_REVERSE 1
-#define DIFF_SETUP_USE_CACHE 2
#define DIFF_SETUP_USE_SIZE_CACHE 4
/*
* Poor man's alternative to parse-option, to allow both stuck form
* (--option=value) and separate form (--option value).
*/
-extern int parse_long_opt(const char *opt, const char **argv,
- const char **optarg);
-
-extern int git_diff_basic_config(const char *var, const char *value, void *cb);
-extern void init_diff_ui_defaults(void);
-extern int git_diff_ui_config(const char *var, const char *value, void *cb);
-extern void diff_setup(struct diff_options *);
-extern int diff_opt_parse(struct diff_options *, const char **, int, const char *);
-extern void diff_setup_done(struct diff_options *);
+int parse_long_opt(const char *opt, const char **argv,
+ const char **optarg);
+
+int git_diff_basic_config(const char *var, const char *value, void *cb);
+int git_diff_heuristic_config(const char *var, const char *value, void *cb);
+void init_diff_ui_defaults(void);
+int git_diff_ui_config(const char *var, const char *value, void *cb);
+void diff_setup(struct diff_options *);
+int diff_opt_parse(struct diff_options *, const char **, int, const char *);
+void diff_setup_done(struct diff_options *);
+int git_config_rename(const char *var, const char *value);
#define DIFF_DETECT_RENAME 1
#define DIFF_DETECT_COPY 2
@@ -280,9 +351,16 @@ extern void diff_setup_done(struct diff_options *);
#define DIFF_PICKAXE_KIND_S 4 /* traditional plumbing counter */
#define DIFF_PICKAXE_KIND_G 8 /* grep in the patch */
+#define DIFF_PICKAXE_KIND_OBJFIND 16 /* specific object IDs */
+
+#define DIFF_PICKAXE_KINDS_MASK (DIFF_PICKAXE_KIND_S | \
+ DIFF_PICKAXE_KIND_G | \
+ DIFF_PICKAXE_KIND_OBJFIND)
+
+#define DIFF_PICKAXE_IGNORE_CASE 32
-extern void diffcore_std(struct diff_options *);
-extern void diffcore_fix_diff_index(struct diff_options *);
+void diffcore_std(struct diff_options *);
+void diffcore_fix_diff_index(struct diff_options *);
#define COMMON_DIFF_OPTIONS_HELP \
"\ncommon diff options:\n" \
@@ -312,9 +390,9 @@ extern void diffcore_fix_diff_index(struct diff_options *);
" show all files diff when -S is used and hit is found.\n" \
" -a --text treat all files as text.\n"
-extern int diff_queue_is_empty(void);
-extern void diff_flush(struct diff_options*);
-extern void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc);
+int diff_queue_is_empty(void);
+void diff_flush(struct diff_options*);
+void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc);
/* diff-raw status letters */
#define DIFF_STATUS_ADDED 'A'
@@ -332,23 +410,28 @@ extern void diff_warn_rename_limit(const char *varname, int needed, int degraded
#define DIFF_STATUS_FILTER_AON '*'
#define DIFF_STATUS_FILTER_BROKEN 'B'
-extern const char *diff_unique_abbrev(const unsigned char *, int);
+/*
+ * This is different from find_unique_abbrev() in that
+ * it stuffs the result with dots for alignment.
+ */
+const char *diff_aligned_abbrev(const struct object_id *sha1, int);
/* 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
-extern int run_diff_files(struct rev_info *revs, unsigned int option);
-extern int run_diff_index(struct rev_info *revs, int cached);
+int run_diff_files(struct rev_info *revs, unsigned int option);
+int run_diff_index(struct rev_info *revs, int cached);
-extern int do_diff_cache(const unsigned char *, struct diff_options *);
-extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
+int do_diff_cache(const struct object_id *, struct diff_options *);
+int diff_flush_patch_id(struct diff_options *, struct object_id *, int);
-extern int diff_result_code(struct diff_options *, int);
+int diff_result_code(struct diff_options *, int);
-extern void diff_no_index(struct rev_info *, int, const char **);
+void diff_no_index(struct rev_info *, int, const char **);
-extern int index_differs_from(const char *def, int diff_flags);
+int index_differs_from(const char *def, const struct diff_flags *flags,
+ int ita_invisible_in_index);
/*
* Fill the contents of the filespec "df", respecting any textconv defined by
@@ -361,23 +444,30 @@ extern int index_differs_from(const char *def, int diff_flags);
* struct. If it is non-NULL, then "outbuf" points to a newly allocated buffer
* that should be freed by the caller.
*/
-extern size_t fill_textconv(struct userdiff_driver *driver,
- struct diff_filespec *df,
- char **outbuf);
+size_t fill_textconv(struct userdiff_driver *driver,
+ struct diff_filespec *df,
+ char **outbuf);
/*
* Look up the userdiff driver for the given filespec, and return it if
* and only if it has textconv enabled (otherwise return NULL). The result
* can be passed to fill_textconv().
*/
-extern struct userdiff_driver *get_textconv(struct diff_filespec *one);
+struct userdiff_driver *get_textconv(struct diff_filespec *one);
+
+/*
+ * Prepare diff_filespec and convert it using diff textconv API
+ * if the textconv driver exists.
+ * Return 1 if the conversion succeeds, 0 otherwise.
+ */
+int textconv_object(const char *path, unsigned mode, const struct object_id *oid, int oid_valid, char **buf, unsigned long *buf_size);
-extern int parse_rename_score(const char **cp_p);
+int parse_rename_score(const char **cp_p);
-extern long parse_algorithm_value(const char *value);
+long parse_algorithm_value(const char *value);
-extern int print_stat_summary(FILE *fp, int files,
- int insertions, int deletions);
-extern void setup_diff_pager(struct diff_options *);
+void print_stat_summary(FILE *fp, int files,
+ int insertions, int deletions);
+void setup_diff_pager(struct diff_options *);
#endif /* DIFF_H */