mirror of https://git.zx2c4.com/cgit/
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
700 lines
15 KiB
C
700 lines
15 KiB
C
#ifndef GIT_H
|
|
#define GIT_H
|
|
|
|
|
|
/*
|
|
* from git:git-compat-util.h
|
|
*/
|
|
|
|
|
|
#ifndef FLEX_ARRAY
|
|
#if defined(__GNUC__) && (__GNUC__ < 3)
|
|
#define FLEX_ARRAY 0
|
|
#else
|
|
#define FLEX_ARRAY /* empty */
|
|
#endif
|
|
#endif
|
|
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <sys/param.h>
|
|
#include <netinet/in.h>
|
|
#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).
|
|
*/
|
|
#ifndef PATH_MAX
|
|
#define PATH_MAX 4096
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
#define NORETURN __attribute__((__noreturn__))
|
|
#else
|
|
#define NORETURN
|
|
#ifndef __attribute__
|
|
#define __attribute__(x)
|
|
#endif
|
|
#endif
|
|
|
|
|
|
extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
|
|
|
|
|
|
static inline char* xstrdup(const char *str)
|
|
{
|
|
char *ret = strdup(str);
|
|
if (!ret)
|
|
die("Out of memory, strdup failed");
|
|
return ret;
|
|
}
|
|
|
|
static inline void *xmalloc(size_t size)
|
|
{
|
|
void *ret = malloc(size);
|
|
if (!ret && !size)
|
|
ret = malloc(1);
|
|
if (!ret)
|
|
die("Out of memory, malloc failed");
|
|
#ifdef XMALLOC_POISON
|
|
memset(ret, 0xA5, size);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
static inline void *xrealloc(void *ptr, size_t size)
|
|
{
|
|
void *ret = realloc(ptr, size);
|
|
if (!ret && !size)
|
|
ret = realloc(ptr, 1);
|
|
if (!ret)
|
|
die("Out of memory, realloc failed");
|
|
return ret;
|
|
}
|
|
|
|
static inline void *xcalloc(size_t nmemb, size_t size)
|
|
{
|
|
void *ret = calloc(nmemb, size);
|
|
if (!ret && (!nmemb || !size))
|
|
ret = calloc(1, 1);
|
|
if (!ret)
|
|
die("Out of memory, calloc failed");
|
|
return ret;
|
|
}
|
|
|
|
static inline ssize_t xread(int fd, void *buf, size_t len)
|
|
{
|
|
ssize_t nr;
|
|
while (1) {
|
|
nr = read(fd, buf, len);
|
|
if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
|
|
continue;
|
|
return nr;
|
|
}
|
|
}
|
|
|
|
static inline ssize_t xwrite(int fd, const void *buf, size_t len)
|
|
{
|
|
ssize_t nr;
|
|
while (1) {
|
|
nr = write(fd, buf, len);
|
|
if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
|
|
continue;
|
|
return nr;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* from git:cache.h
|
|
*/
|
|
|
|
|
|
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(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: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 object_refs {
|
|
unsigned count;
|
|
struct object *base;
|
|
struct object *ref[FLEX_ARRAY]; /* more */
|
|
};
|
|
|
|
struct object_array {
|
|
unsigned int nr;
|
|
unsigned int alloc;
|
|
struct object_array_entry {
|
|
struct object *item;
|
|
const char *name;
|
|
} *objects;
|
|
};
|
|
|
|
#define TYPE_BITS 3
|
|
#define FLAG_BITS 27
|
|
|
|
/*
|
|
* The object type is stored in 3 bits.
|
|
*/
|
|
struct object {
|
|
unsigned parsed : 1;
|
|
unsigned used : 1;
|
|
unsigned type : TYPE_BITS;
|
|
unsigned flags : FLAG_BITS;
|
|
unsigned char sha1[20];
|
|
};
|
|
|
|
|
|
/** Returns the object, having parsed it to find out what it is. **/
|
|
struct object *parse_object(const unsigned char *sha1);
|
|
|
|
|
|
/*
|
|
* from git:tree.h
|
|
*/
|
|
|
|
struct tree {
|
|
struct object object;
|
|
void *buffer;
|
|
unsigned long size;
|
|
};
|
|
|
|
|
|
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 */
|
|
|
|
struct commit_list {
|
|
struct commit *item;
|
|
struct commit_list *next;
|
|
};
|
|
|
|
struct commit {
|
|
struct object object;
|
|
void *util;
|
|
unsigned long date;
|
|
struct commit_list *parents;
|
|
struct tree *tree;
|
|
char *buffer;
|
|
};
|
|
|
|
|
|
struct commit *lookup_commit(const unsigned char *sha1);
|
|
struct commit *lookup_commit_reference(const unsigned char *sha1);
|
|
struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
|
|
int quiet);
|
|
|
|
int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
|
|
int parse_commit(struct commit *item);
|
|
|
|
struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
|
|
struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
|
|
|
|
void free_commit_list(struct commit_list *list);
|
|
|
|
void sort_by_date(struct commit_list **list);
|
|
|
|
/* Commit formats */
|
|
enum cmit_fmt {
|
|
CMIT_FMT_RAW,
|
|
CMIT_FMT_MEDIUM,
|
|
CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
|
|
CMIT_FMT_SHORT,
|
|
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: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
|
|
*/
|
|
|
|
|
|
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);
|
|
|
|
typedef void (*add_remove_fn_t)(struct diff_options *options,
|
|
int addremove, unsigned mode,
|
|
const unsigned char *sha1,
|
|
const char *base, const char *path);
|
|
|
|
typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
|
|
struct diff_options *options, 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
|
|
|
|
/* 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
|
|
|
|
struct diff_options {
|
|
const char *filter;
|
|
const char *orderfile;
|
|
const char *pickaxe;
|
|
const char *single_follow;
|
|
unsigned recursive:1,
|
|
tree_in_recursive:1,
|
|
binary:1,
|
|
text:1,
|
|
full_index:1,
|
|
silent_on_remove:1,
|
|
find_copies_harder:1,
|
|
color_diff:1,
|
|
color_diff_words:1;
|
|
int context;
|
|
int break_opt;
|
|
int detect_rename;
|
|
int line_termination;
|
|
int output_format;
|
|
int pickaxe_opts;
|
|
int rename_score;
|
|
int reverse_diff;
|
|
int rename_limit;
|
|
int setup;
|
|
int abbrev;
|
|
const char *msg_sep;
|
|
const char *stat_sep;
|
|
long xdl_opts;
|
|
|
|
int stat_width;
|
|
int stat_name_width;
|
|
|
|
int nr_paths;
|
|
const char **paths;
|
|
int *pathlens;
|
|
change_fn_t change;
|
|
add_remove_fn_t add_remove;
|
|
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 *);
|
|
|
|
|
|
|
|
/*
|
|
* from git:revision.h
|
|
*/
|
|
|
|
struct rev_info;
|
|
struct log_info;
|
|
|
|
typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
|
|
|
|
struct rev_info {
|
|
/* Starting list */
|
|
struct commit_list *commits;
|
|
struct object_array pending;
|
|
|
|
/* Basic information */
|
|
const char *prefix;
|
|
void *prune_data;
|
|
prune_fn_t *prune_fn;
|
|
|
|
/* Traversal flags */
|
|
unsigned int dense:1,
|
|
no_merges:1,
|
|
no_walk:1,
|
|
remove_empty_trees:1,
|
|
simplify_history:1,
|
|
lifo:1,
|
|
topo_order:1,
|
|
tag_objects:1,
|
|
tree_objects:1,
|
|
blob_objects:1,
|
|
edge_hint:1,
|
|
limited:1,
|
|
unpacked:1, /* see also ignore_packed below */
|
|
boundary:1,
|
|
parents:1;
|
|
|
|
/* Diff flags */
|
|
unsigned int diff:1,
|
|
full_diff:1,
|
|
show_root_diff:1,
|
|
no_commit_id:1,
|
|
verbose_header:1,
|
|
ignore_merges:1,
|
|
combine_merges:1,
|
|
dense_combined_merges:1,
|
|
always_show_header:1;
|
|
|
|
/* Format info */
|
|
unsigned int shown_one:1,
|
|
abbrev_commit:1,
|
|
relative_date:1;
|
|
|
|
const char **ignore_packed; /* pretend objects in these are unpacked */
|
|
int num_ignore_packed;
|
|
|
|
unsigned int abbrev;
|
|
enum cmit_fmt commit_format;
|
|
struct log_info *loginfo;
|
|
int nr, total;
|
|
const char *mime_boundary;
|
|
const char *message_id;
|
|
const char *ref_message_id;
|
|
const char *add_signoff;
|
|
const char *extra_headers;
|
|
|
|
/* Filter by commit log message */
|
|
struct grep_opt *grep_filter;
|
|
|
|
/* special limits */
|
|
int max_count;
|
|
unsigned long max_age;
|
|
unsigned long min_age;
|
|
|
|
/* diff info for patches and for paths limiting */
|
|
struct diff_options diffopt;
|
|
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 *);
|
|
|
|
|
|
|
|
/* from git:archive.h */
|
|
|
|
struct archiver_args {
|
|
const char *base;
|
|
struct tree *tree;
|
|
const unsigned char *commit_sha1;
|
|
time_t time;
|
|
const char **pathspec;
|
|
unsigned int verbose : 1;
|
|
void *extra;
|
|
};
|
|
|
|
typedef int (*write_archive_fn_t)(struct archiver_args *);
|
|
|
|
typedef void *(*parse_extra_args_fn_t)(int argc, const char **argv);
|
|
|
|
struct archiver {
|
|
const char *name;
|
|
struct archiver_args args;
|
|
write_archive_fn_t write_archive;
|
|
parse_extra_args_fn_t parse_extra;
|
|
};
|
|
|
|
extern int write_tar_archive(struct archiver_args *);
|
|
extern int write_zip_archive(struct archiver_args *);
|
|
extern void *parse_extra_zip_args(int argc, const char **argv);
|
|
|
|
#endif /* GIT_H */
|