crtxcr/cgitsb
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کد مسائل تقاضاهای واکشی انتشارها دانشنامه فعالیت
378cae6398
cgitsb/git.h
Lars Hjemli 6cb326c83b Show list of modified files in ui-commit.c 
Compare current commit with 1.parent, and for each affected file display
current filemode, old filemode if changed, current filename and source
filename if it was a copy/rename.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-17 23:07:28 +01:00

569 خطوط
12 KiB
C
خام سرزنش تاریخچه

#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>
/* 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
*/
/* 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 */
};
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];
};
/*
* 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: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 *);
#endif /* GIT_H */
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