Diff options
Diffstat (limited to 'git.h')
| -rw-r--r-- | git.h | 106 |
1 file changed, 106 insertions, 0 deletions
@@ -128,6 +128,8 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len) #define MINIMUM_ABBREV 4 #define DEFAULT_ABBREV 7 +extern const unsigned char null_sha1[20]; + extern int sha1_object_info(const unsigned char *, char *, unsigned long *); extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size); @@ -136,6 +138,24 @@ extern int get_sha1(const char *str, unsigned char *sha1); extern int get_sha1_hex(const char *hex, unsigned char *sha1); extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ +static inline int is_null_sha1(const unsigned char *sha1) +{ + return !memcmp(sha1, null_sha1, 20); +} +static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) +{ + return memcmp(sha1, sha2, 20); +} +static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) +{ + memcpy(sha_dst, sha_src, 20); +} +static inline void hashclr(unsigned char *hash) +{ + memset(hash, 0, 20); +} + + /* @@ -257,6 +277,61 @@ typedef void* (*topo_sort_get_fn_t)(struct commit*); +/* + * from git:diffcore.h + */ + +struct diff_filespec { + unsigned char sha1[20]; + char *path; + void *data; + void *cnt_data; + unsigned long size; + int xfrm_flags; /* for use by the xfrm */ + unsigned short mode; /* file mode */ + unsigned sha1_valid : 1; /* if true, use sha1 and trust mode; + * if false, use the name and read from + * the filesystem. + */ +#define DIFF_FILE_VALID(spec) (((spec)->mode) != 0) + unsigned should_free : 1; /* data should be free()'ed */ + unsigned should_munmap : 1; /* data should be munmap()'ed */ +}; + +struct diff_filepair { + struct diff_filespec *one; + struct diff_filespec *two; + unsigned short int score; + char status; /* M C R N D U (see Documentation/diff-format.txt) */ + unsigned source_stays : 1; /* all of R/C are copies */ + unsigned broken_pair : 1; + unsigned renamed_pair : 1; +}; + +#define DIFF_PAIR_UNMERGED(p) \ + (!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two)) + +#define DIFF_PAIR_RENAME(p) ((p)->renamed_pair) + +#define DIFF_PAIR_BROKEN(p) \ + ( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \ + ((p)->broken_pair != 0) ) + +#define DIFF_PAIR_TYPE_CHANGED(p) \ + ((S_IFMT & (p)->one->mode) != (S_IFMT & (p)->two->mode)) + +#define DIFF_PAIR_MODE_CHANGED(p) ((p)->one->mode != (p)->two->mode) + +extern void diff_free_filepair(struct diff_filepair *); + +extern int diff_unmodified_pair(struct diff_filepair *); + +struct diff_queue_struct { + struct diff_filepair **queue; + int alloc; + int nr; +}; + /* * from git:diff.h @@ -352,6 +427,32 @@ enum color_diff { }; +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); + +extern int git_diff_ui_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 *); + + +extern void diffcore_std(struct diff_options *); +extern void diff_flush(struct diff_options*); + + +/* diff-raw status letters */ +#define DIFF_STATUS_ADDED 'A' +#define DIFF_STATUS_COPIED 'C' +#define DIFF_STATUS_DELETED 'D' +#define DIFF_STATUS_MODIFIED 'M' +#define DIFF_STATUS_RENAMED 'R' +#define DIFF_STATUS_TYPE_CHANGED 'T' +#define DIFF_STATUS_UNKNOWN 'X' +#define DIFF_STATUS_UNMERGED 'U' + /* @@ -458,5 +559,10 @@ extern struct commit *get_revision(struct rev_info *revs); +/* from git:log-tree.h */ + +int log_tree_commit(struct rev_info *, struct commit *); + + #endif /* GIT_H */ |