#include <sys/types.h>
#include <dirent.h>
#include <time.h>
-
+#include <regex.h>
/* On most systems <limits.h> would have given us this, but
* not on some systems (e.g. GNU/Hurd).
*/
+enum object_type {
+ OBJ_NONE = 0,
+ OBJ_COMMIT = 1,
+ OBJ_TREE = 2,
+ OBJ_BLOB = 3,
+ OBJ_TAG = 4,
+ /* 5 for future expansion */
+ OBJ_OFS_DELTA = 6,
+ OBJ_REF_DELTA = 7,
+ OBJ_BAD,
+};
+
+
/* 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_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:grep.h
+ */
+
+enum grep_pat_token {
+ GREP_PATTERN,
+ GREP_PATTERN_HEAD,
+ GREP_PATTERN_BODY,
+ GREP_AND,
+ GREP_OPEN_PAREN,
+ GREP_CLOSE_PAREN,
+ GREP_NOT,
+ GREP_OR,
+};
+
+enum grep_context {
+ GREP_CONTEXT_HEAD,
+ GREP_CONTEXT_BODY,
+};
+
+struct grep_pat {
+ struct grep_pat *next;
+ const char *origin;
+ int no;
+ enum grep_pat_token token;
+ const char *pattern;
+ regex_t regexp;
+};
+
+enum grep_expr_node {
+ GREP_NODE_ATOM,
+ GREP_NODE_NOT,
+ GREP_NODE_AND,
+ GREP_NODE_OR,
+};
+
+struct grep_opt {
+ struct grep_pat *pattern_list;
+ struct grep_pat **pattern_tail;
+ struct grep_expr *pattern_expression;
+ int prefix_length;
+ regex_t regexp;
+ unsigned linenum:1;
+ unsigned invert:1;
+ unsigned status_only:1;
+ unsigned name_only:1;
+ unsigned unmatch_name_only:1;
+ unsigned count:1;
+ unsigned word_regexp:1;
+ unsigned fixed:1;
+ unsigned all_match:1;
+#define GREP_BINARY_DEFAULT 0
+#define GREP_BINARY_NOMATCH 1
+#define GREP_BINARY_TEXT 2
+ unsigned binary:2;
+ unsigned extended:1;
+ unsigned relative:1;
+ unsigned pathname:1;
+ int regflags;
+ unsigned pre_context;
+ unsigned post_context;
+};
+
+
+extern void compile_grep_patterns(struct grep_opt *opt);
+extern void free_grep_patterns(struct grep_opt *opt);
/*
* from git:object.h
*/
+extern const char *type_names[9];
+
struct object_list {
struct object *item;
struct object_list *next;
};
+struct tree *lookup_tree(const unsigned char *sha1);
+int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
+int parse_tree(struct tree *tree);
+struct tree *parse_tree_indirect(const unsigned char *sha1);
+
+typedef int (*read_tree_fn_t)(const unsigned char *, const char *, int, const char *, unsigned int, int);
+
+extern int read_tree_recursive(struct tree *tree,
+ const char *base, int baselen,
+ int stage, const char **match,
+ read_tree_fn_t fn);
+
+extern int read_tree(struct tree *tree, int stage, const char **paths);
/* from git:commit.h */
+/*
+ * from git:tag.h
+ */
+
+extern const char *tag_type;
+
+struct tag {
+ struct object object;
+ struct object *tagged;
+ char *tag;
+ char *signature; /* not actually implemented */
+};
+
+extern struct tag *lookup_tag(const unsigned char *sha1);
+extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size);
+extern int parse_tag(struct tag *item);
+extern struct object *deref_tag(struct object *, const char *, int);
+
+
+/*
+ * 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
};
+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:log-tree.h */
+
+int log_tree_commit(struct rev_info *, struct commit *);
+
+
#endif /* GIT_H */