| -rw-r--r-- | git.h | 106 |
1 files changed, 106 insertions, 0 deletions
@@ -115,40 +115,60 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len) return nr; } } /* * from git:cache.h */ /* Convert to/from hex/sha1 representation */ #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); 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); +} + + /* * from git:object.h */ struct object_list { struct object *item; struct object_list *next; }; struct object_refs { unsigned count; struct object *base; struct object *ref[FLEX_ARRAY]; /* more */ }; @@ -244,32 +264,87 @@ enum cmit_fmt { CMIT_FMT_FULL, CMIT_FMT_FULLER, CMIT_FMT_ONELINE, CMIT_FMT_EMAIL, CMIT_FMT_UNSPECIFIED, }; extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date); typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); 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 */ struct rev_info; struct diff_options; struct diff_queue_struct; 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); @@ -339,32 +414,58 @@ struct diff_options { diff_format_fn_t format_callback; void *format_callback_data; }; 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, }; +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' + /* * from git:refs.g */ typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data); extern int head_ref(each_ref_fn, void *); extern int for_each_ref(each_ref_fn, void *); extern int for_each_tag_ref(each_ref_fn, void *); extern int for_each_branch_ref(each_ref_fn, void *); extern int for_each_remote_ref(each_ref_fn, void *); /* @@ -445,18 +546,23 @@ struct rev_info { struct diff_options pruning; topo_sort_set_fn_t topo_setter; topo_sort_get_fn_t topo_getter; }; extern void init_revisions(struct rev_info *revs, const char *prefix); extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def); extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename); extern void prepare_revision_walk(struct rev_info *revs); 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 */ |