#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)
+#include "tree-walk.h"
+
+struct rev_info;
+struct diff_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,
+ const char *base, const char *path);
+
+typedef void (*add_remove_fn_t)(struct diff_options *options,
+ int addremove, unsigned mode,
+ const unsigned char *sha1,
+ const char *base, const char *path);
struct diff_options {
- const char **paths;
const char *filter;
const char *orderfile;
const char *pickaxe;
+ unsigned recursive:1,
+ with_raw:1,
+ with_stat:1,
+ tree_in_recursive:1,
+ full_index:1;
int break_opt;
int detect_rename;
int find_copies_harder;
int pickaxe_opts;
int rename_score;
int reverse_diff;
+ int rename_limit;
int setup;
+ int abbrev;
+
+ int nr_paths;
+ const char **paths;
+ int *pathlens;
+ change_fn_t change;
+ add_remove_fn_t add_remove;
};
+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);
+
+struct combine_diff_path {
+ struct combine_diff_path *next;
+ int len;
+ char *path;
+ unsigned int mode;
+ unsigned char sha1[20];
+ struct combine_diff_parent {
+ char status;
+ unsigned int mode;
+ unsigned char sha1[20];
+ } parent[FLEX_ARRAY];
+};
+#define combine_diff_path_size(n, l) \
+ (sizeof(struct combine_diff_path) + \
+ sizeof(struct combine_diff_parent) * (n) + (l) + 1)
+
+extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
+ int dense, struct rev_info *);
+
+extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
+
extern void diff_addremove(struct diff_options *,
int addremove,
unsigned mode,
#define DIFF_SETUP_USE_CACHE 2
#define DIFF_SETUP_USE_SIZE_CACHE 4
+extern int git_diff_config(const char *var, const char *value);
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 *);
#define DIFF_DETECT_COPY 2
#define DIFF_PICKAXE_ALL 1
+#define DIFF_PICKAXE_REGEX 2
extern void diffcore_std(struct diff_options *);
#define COMMON_DIFF_OPTIONS_HELP \
"\ncommon diff options:\n" \
-" -r diff recursively (only meaningful in diff-tree)\n" \
-" -z output diff-raw with lines terminated with NUL.\n" \
-" -p output patch format.\n" \
-" -u synonym for -p.\n" \
-" --name-only show only names of changed files.\n" \
-" --name-only-z\n" \
-" same as --name-only but terminate lines with NUL.\n" \
-" -R swap input file pairs.\n" \
-" -B detect complete rewrites.\n" \
-" -M detect renames.\n" \
-" -C detect copies.\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" \
+" --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" \
+" --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \
+" -R swap input file pairs.\n" \
+" -B detect complete rewrites.\n" \
+" -M detect renames.\n" \
+" -C detect copies.\n" \
" --find-copies-harder\n" \
-" try unchanged files as candidate for copy detection.\n" \
-" -O<file> reorder diffs according to the <file>.\n" \
-" -S<string> find filepair whose only one side contains the string.\n" \
+" try unchanged files as candidate for copy detection.\n" \
+" -l<n> limit rename attempts up to <n> paths.\n" \
+" -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"
extern int diff_queue_is_empty(void);
#define DIFF_FORMAT_PATCH 2
#define DIFF_FORMAT_NO_OUTPUT 3
#define DIFF_FORMAT_NAME 4
+#define DIFF_FORMAT_NAME_STATUS 5
+#define DIFF_FORMAT_DIFFSTAT 6
extern void diff_flush(struct diff_options*);
/* these are not diff-raw status letters proper, but used by
* diffcore-filter insn to specify additional restrictions.
*/
-#define DIFF_STATUS_FILTER_AON 'A'
+#define DIFF_STATUS_FILTER_AON '*'
#define DIFF_STATUS_FILTER_BROKEN 'B'
+extern const char *diff_unique_abbrev(const unsigned char *, int);
+
#endif /* DIFF_H */