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-rw-r--r--diff.h239
1 files changed, 197 insertions, 42 deletions
diff --git a/diff.h b/diff.h
index 8fac465a9d..8c66b59517 100644
--- a/diff.h
+++ b/diff.h
@@ -4,60 +4,176 @@
#ifndef DIFF_H
#define DIFF_H
-#define DIFF_FILE_CANON_MODE(mode) \
- (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
- S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
-
-struct tree_desc {
- void *buf;
- unsigned long size;
-};
-
-extern void update_tree_entry(struct tree_desc *);
-extern const unsigned char *tree_entry_extract(struct tree_desc *, const char **, unsigned int *);
+#include "tree-walk.h"
+struct rev_info;
struct diff_options;
+struct diff_queue_struct;
+struct strbuf;
+struct diff_filespec;
+struct userdiff_driver;
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,
- const char *base, const char *path);
+ 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,
- const char *base, const char *path);
+ const char *fullpath, unsigned dirty_submodule);
+
+typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
+ struct diff_options *options, void *data);
+
+typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data);
+
+#define DIFF_FORMAT_RAW 0x0001
+#define DIFF_FORMAT_DIFFSTAT 0x0002
+#define DIFF_FORMAT_NUMSTAT 0x0004
+#define DIFF_FORMAT_SUMMARY 0x0008
+#define DIFF_FORMAT_PATCH 0x0010
+#define DIFF_FORMAT_SHORTSTAT 0x0020
+#define DIFF_FORMAT_DIRSTAT 0x0040
+
+/* These override all above */
+#define DIFF_FORMAT_NAME 0x0100
+#define DIFF_FORMAT_NAME_STATUS 0x0200
+#define DIFF_FORMAT_CHECKDIFF 0x0400
+
+/* Same as output_format = 0 but we know that -s flag was given
+ * and we should not give default value to output_format.
+ */
+#define DIFF_FORMAT_NO_OUTPUT 0x0800
+
+#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)
+/* (1 << 8) unused */
+/* (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_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag)
+#define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag)
+#define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag)
+#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)
+
+enum diff_words_type {
+ DIFF_WORDS_NONE = 0,
+ DIFF_WORDS_PORCELAIN,
+ DIFF_WORDS_PLAIN,
+ DIFF_WORDS_COLOR
+};
struct diff_options {
- const char **paths;
const char *filter;
const char *orderfile;
const char *pickaxe;
- unsigned recursive:1,
- tree_in_recursive:1,
- full_index:1;
+ const char *single_follow;
+ const char *a_prefix, *b_prefix;
+ unsigned flags;
+ int use_color;
+ int context;
+ int interhunkcontext;
int break_opt;
int detect_rename;
- int find_copies_harder;
+ int irreversible_delete;
+ int skip_stat_unmatch;
int line_termination;
int output_format;
int pickaxe_opts;
int rename_score;
- int reverse_diff;
int rename_limit;
+ int needed_rename_limit;
+ int degraded_cc_to_c;
+ int show_rename_progress;
+ int dirstat_permille;
int setup;
int abbrev;
+ const char *prefix;
+ int prefix_length;
+ const char *stat_sep;
+ long xdl_opts;
+
+ int stat_width;
+ int stat_name_width;
+ int stat_count;
+ const char *word_regex;
+ enum diff_words_type word_diff;
+
+ /* this is set by diffcore for DIFF_FORMAT_PATCH */
+ int found_changes;
+ /* to support internal diff recursion by --follow hack*/
+ int found_follow;
+
+ FILE *file;
+ int close_file;
+
+ struct pathspec pathspec;
change_fn_t change;
add_remove_fn_t add_remove;
+ diff_format_fn_t format_callback;
+ void *format_callback_data;
+ diff_prefix_fn_t output_prefix;
+ void *output_prefix_data;
};
-extern void diff_tree_setup_paths(const char **paths);
+enum color_diff {
+ DIFF_RESET = 0,
+ DIFF_PLAIN = 1,
+ DIFF_METAINFO = 2,
+ DIFF_FRAGINFO = 3,
+ DIFF_FILE_OLD = 4,
+ DIFF_FILE_NEW = 5,
+ DIFF_COMMIT = 6,
+ DIFF_WHITESPACE = 7,
+ DIFF_FUNCINFO = 8
+};
+const char *diff_get_color(int diff_use_color, enum color_diff ix);
+#define diff_get_color_opt(o, ix) \
+ diff_get_color((o)->use_color, ix)
+
+
+extern const char mime_boundary_leader[];
+
+extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
+extern void diff_tree_release_paths(struct diff_options *);
extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
const char *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);
struct combine_diff_path {
struct combine_diff_path *next;
@@ -75,35 +191,46 @@ struct combine_diff_path {
(sizeof(struct combine_diff_path) + \
sizeof(struct combine_diff_parent) * (n) + (l) + 1)
-extern int show_combined_diff(struct combine_diff_path *elem, int num_parent,
- int dense, const char *header,
- struct diff_options *);
+extern 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 unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev);
+
+extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
-extern const char *diff_tree_combined_merge(const unsigned char *sha1, const char *, int, struct diff_options *opt);
+void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
+
+extern int diff_can_quit_early(struct diff_options *);
extern void diff_addremove(struct diff_options *,
int addremove,
unsigned mode,
const unsigned char *sha1,
- const char *base,
- const char *path);
+ 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,
- const char *base, const char *path);
-
-extern void diff_unmerge(struct diff_options *,
- const char *path);
+ const char *fullpath,
+ unsigned dirty_submodule1, unsigned dirty_submodule2);
-extern int diff_scoreopt_parse(const char *opt);
+extern 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
-extern int git_diff_config(const char *var, const char *value);
+/*
+ * Poor man's alternative to parse-option, to allow both sticked 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 int git_diff_ui_config(const char *var, const char *value, void *cb);
+extern int diff_use_color_default;
extern void diff_setup(struct diff_options *);
extern int diff_opt_parse(struct diff_options *, const char **, int);
extern int diff_setup_done(struct diff_options *);
@@ -112,16 +239,25 @@ extern int diff_setup_done(struct diff_options *);
#define DIFF_DETECT_COPY 2
#define DIFF_PICKAXE_ALL 1
+#define DIFF_PICKAXE_REGEX 2
-extern void diffcore_std(struct diff_options *);
+#define DIFF_PICKAXE_KIND_S 4 /* traditional plumbing counter */
+#define DIFF_PICKAXE_KIND_G 8 /* grep in the patch */
-extern void diffcore_std_no_resolve(struct diff_options *);
+extern void diffcore_std(struct diff_options *);
+extern void diffcore_fix_diff_index(struct diff_options *);
#define COMMON_DIFF_OPTIONS_HELP \
"\ncommon diff options:\n" \
" -z output diff-raw with lines terminated with NUL.\n" \
" -p output patch format.\n" \
" -u synonym for -p.\n" \
+" --patch-with-raw\n" \
+" output both a patch and the diff-raw format.\n" \
+" --stat show diffstat instead of patch.\n" \
+" --numstat show numeric diffstat instead of patch.\n" \
+" --patch-with-stat\n" \
+" output a patch and prepend its diffstat.\n" \
" --name-only show only names of changed files.\n" \
" --name-status show names and status of changed files.\n" \
" --full-index show full object name on index lines.\n" \
@@ -136,17 +272,12 @@ extern void diffcore_std_no_resolve(struct diff_options *);
" -O<file> reorder diffs according to the <file>.\n" \
" -S<string> find filepair whose only one side contains the string.\n" \
" --pickaxe-all\n" \
-" show all files diff when -S is used and hit is found.\n"
+" 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);
-
-#define DIFF_FORMAT_RAW 1
-#define DIFF_FORMAT_PATCH 2
-#define DIFF_FORMAT_NO_OUTPUT 3
-#define DIFF_FORMAT_NAME 4
-#define DIFF_FORMAT_NAME_STATUS 5
-
extern void diff_flush(struct diff_options*);
+extern void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc);
/* diff-raw status letters */
#define DIFF_STATUS_ADDED 'A'
@@ -166,4 +297,28 @@ extern void diff_flush(struct diff_options*);
extern const char *diff_unique_abbrev(const unsigned char *, 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);
+
+extern int do_diff_cache(const unsigned char *, struct diff_options *);
+extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
+
+extern int diff_result_code(struct diff_options *, int);
+
+extern void diff_no_index(struct rev_info *, int, const char **, int, const char *);
+
+extern int index_differs_from(const char *def, int diff_flags);
+
+extern size_t fill_textconv(struct userdiff_driver *driver,
+ struct diff_filespec *df,
+ char **outbuf);
+
+extern struct userdiff_driver *get_textconv(struct diff_filespec *one);
+
+extern int parse_rename_score(const char **cp_p);
+
#endif /* DIFF_H */
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