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index ce73e1f09d7fc4f4196e32c2cfdd16e343ad9653..2e6ad3604e4cc6efd60a69407159967a1940e680 100644 (file)
--- a/cache.h
+++ b/cache.h
#include "hash.h"
#include "advice.h"
#include "gettext.h"
+#include "convert.h"
#include SHA1_HEADER
#ifndef git_SHA_CTX
#endif
#include <zlib.h>
-#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200
-#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
-#endif
-
-void git_inflate_init(z_streamp strm);
-void git_inflate_end(z_streamp strm);
-int git_inflate(z_streamp strm, int flush);
+typedef struct git_zstream {
+ z_stream z;
+ unsigned long avail_in;
+ unsigned long avail_out;
+ unsigned long total_in;
+ unsigned long total_out;
+ unsigned char *next_in;
+ unsigned char *next_out;
+} git_zstream;
+
+void git_inflate_init(git_zstream *);
+void git_inflate_init_gzip_only(git_zstream *);
+void git_inflate_end(git_zstream *);
+int git_inflate(git_zstream *, int flush);
+
+void git_deflate_init(git_zstream *, int level);
+void git_deflate_init_gzip(git_zstream *, int level);
+void git_deflate_end(git_zstream *);
+int git_deflate_end_gently(git_zstream *);
+int git_deflate(git_zstream *, int flush);
+unsigned long git_deflate_bound(git_zstream *, unsigned long);
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
unsigned int ce_flags;
unsigned char sha1[20];
struct cache_entry *next;
+ struct cache_entry *dir_next;
char name[FLEX_ARRAY]; /* more */
};
}
#define GIT_DIR_ENVIRONMENT "GIT_DIR"
+#define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE"
#define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE"
#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
extern char *get_index_file(void);
extern char *get_graft_file(void);
extern int set_git_dir(const char *path);
+extern const char *get_git_namespace(void);
+extern const char *strip_namespace(const char *namespaced_ref);
extern const char *get_git_work_tree(void);
-extern const char *read_gitfile_gently(const char *path);
+extern const char *read_gitfile(const char *path);
+extern const char *resolve_gitdir(const char *suspect);
extern void set_git_work_tree(const char *tree);
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
struct pathspec_item {
const char *match;
int len;
- unsigned int has_wildcard:1;
+ unsigned int use_wildcard:1;
} *items;
};
extern int init_pathspec(struct pathspec *, const char **);
extern void free_pathspec(struct pathspec *);
extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec);
-extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path, int format_check);
-extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
+
+#define HASH_WRITE_OBJECT 1
+#define HASH_FORMAT_CHECK 2
+extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags);
+extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags);
extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
#define REFRESH_REALLY 0x0001 /* ignore_valid */
extern int shared_repository;
extern const char *apply_default_whitespace;
extern const char *apply_default_ignorewhitespace;
+extern const char *git_attributes_file;
extern int zlib_compression_level;
extern int core_compression_level;
extern int core_compression_seen;
extern int core_preload_index;
extern int core_apply_sparse_checkout;
-enum safe_crlf {
- SAFE_CRLF_FALSE = 0,
- SAFE_CRLF_FAIL = 1,
- SAFE_CRLF_WARN = 2
-};
-
-extern enum safe_crlf safe_crlf;
-
-enum auto_crlf {
- AUTO_CRLF_FALSE = 0,
- AUTO_CRLF_TRUE = 1,
- AUTO_CRLF_INPUT = -1
-};
-
-extern enum auto_crlf auto_crlf;
-
-enum eol {
- EOL_UNSET,
- EOL_CRLF,
- EOL_LF,
-#ifdef NATIVE_CRLF
- EOL_NATIVE = EOL_CRLF
-#else
- EOL_NATIVE = EOL_LF
-#endif
-};
-
-extern enum eol eol;
-
enum branch_track {
BRANCH_TRACK_UNSPECIFIED = -1,
BRANCH_TRACK_NEVER = 0,
extern char *sha1_pack_index_name(const unsigned char *sha1);
extern const char *find_unique_abbrev(const unsigned char *sha1, int);
extern const unsigned char null_sha1[20];
-static inline int is_null_sha1(const unsigned char *sha1)
+
+static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
{
- return !memcmp(sha1, null_sha1, 20);
+ int i;
+
+ for (i = 0; i < 20; i++, sha1++, sha2++) {
+ if (*sha1 != *sha2)
+ return *sha1 - *sha2;
+ }
+
+ return 0;
}
-static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
+
+static inline int is_null_sha1(const unsigned char *sha1)
{
- return memcmp(sha1, sha2, 20);
+ return !hashcmp(sha1, null_sha1);
}
+
static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
{
memcpy(sha_dst, sha_src, 20);
int safe_create_leading_directories_const(const char *path);
int mkdir_in_gitdir(const char *path);
extern char *expand_user_path(const char *path);
-char *enter_repo(char *path, int strict);
+const char *enter_repo(const char *path, int strict);
static inline int is_absolute_path(const char *path)
{
- return path[0] == '/' || has_dos_drive_prefix(path);
+ return is_dir_sep(path[0]) || has_dos_drive_prefix(path);
}
int is_directory(const char *);
const char *real_path(const char *path);
int daemon_avoid_alias(const char *path);
int offset_1st_component(const char *path);
-/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
-extern int sha1_object_info(const unsigned char *, unsigned long *);
-extern void *read_sha1_file_repl(const unsigned char *sha1, enum object_type *type, unsigned long *size, const unsigned char **replacement);
+/* object replacement */
+#define READ_SHA1_FILE_REPLACE 1
+extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag);
static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
{
- return read_sha1_file_repl(sha1, type, size, NULL);
+ return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE);
+}
+extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);
+static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)
+{
+ if (!read_replace_refs)
+ return sha1;
+ return do_lookup_replace_object(sha1);
}
+
+/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
+extern int sha1_object_info(const unsigned char *, unsigned long *);
extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
extern int force_object_loose(const unsigned char *sha1, time_t mtime);
+extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size);
+extern int unpack_sha1_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz);
+extern int parse_sha1_header(const char *hdr, unsigned long *sizep);
/* global flag to enable extra checks when accessing packed objects */
extern int do_check_packed_object_crc;
+/* for development: log offset of pack access */
+extern const char *log_pack_access;
+
extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
extern int move_temp_to_file(const char *tmpfile, const char *filename);
};
extern int get_sha1(const char *str, unsigned char *sha1);
-extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int gently, const char *prefix);
+extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int only_to_die, const char *prefix);
static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
{
- return get_sha1_with_mode_1(str, sha1, mode, 1, NULL);
+ return get_sha1_with_mode_1(str, sha1, mode, 0, NULL);
}
-extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int gently, const char *prefix);
+extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int only_to_die, const char *prefix);
static inline int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc)
{
- return get_sha1_with_context_1(str, sha1, orc, 1, NULL);
+ return get_sha1_with_context_1(str, sha1, orc, 0, NULL);
}
+
+/*
+ * Try to read a SHA1 in hexadecimal format from the 40 characters
+ * starting at hex. Write the 20-byte result to sha1 in binary form.
+ * Return 0 on success. Reading stops if a NUL is encountered in the
+ * input, so it is safe to pass this function an arbitrary
+ * null-terminated string.
+ */
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
+
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
extern int read_ref(const char *filename, unsigned char *sha1);
-extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *);
+
+/*
+ * Resolve a reference, recursively following symbolic refererences.
+ *
+ * Store the referred-to object's name in sha1 and return the name of
+ * the non-symbolic reference that ultimately pointed at it. The
+ * return value, if not NULL, is a pointer into either a static buffer
+ * or the input ref.
+ *
+ * If the reference cannot be resolved to an object, the behavior
+ * depends on the "reading" argument:
+ *
+ * - If reading is set, return NULL.
+ *
+ * - If reading is not set, clear sha1 and return the name of the last
+ * reference name in the chain, which will either be a non-symbolic
+ * reference or an undefined reference. If this is a prelude to
+ * "writing" to the ref, the return value is the name of the ref
+ * that will actually be created or changed.
+ *
+ * If flag is non-NULL, set the value that it points to the
+ * combination of REF_ISPACKED (if the reference was found among the
+ * packed references) and REF_ISSYMREF (if the initial reference was a
+ * symbolic reference).
+ *
+ * If ref is not a properly-formatted, normalized reference, return
+ * NULL. If more than MAXDEPTH recursive symbolic lookups are needed,
+ * give up and return NULL.
+ *
+ * errno is sometimes set on errors, but not always.
+ */
+extern const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag);
+
extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
extern int interpret_branch_name(const char *str, struct strbuf *);
extern void pack_report(void);
extern int open_pack_index(struct packed_git *);
extern void close_pack_index(struct packed_git *);
-extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *);
+extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *);
extern void close_pack_windows(struct packed_git *);
extern void unuse_pack(struct pack_window **);
extern void free_pack_by_name(const char *);
extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t);
extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t);
extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *);
+extern int is_pack_valid(struct packed_git *);
extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
-extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
+extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *);
+
+struct object_info {
+ /* Request */
+ unsigned long *sizep;
+
+ /* Response */
+ enum {
+ OI_CACHED,
+ OI_LOOSE,
+ OI_PACKED,
+ OI_DBCACHED
+ } whence;
+ union {
+ /*
+ * struct {
+ * ... Nothing to expose in this case
+ * } cached;
+ * struct {
+ * ... Nothing to expose in this case
+ * } loose;
+ */
+ struct {
+ struct packed_git *pack;
+ off_t offset;
+ unsigned int is_delta;
+ } packed;
+ } u;
+};
+extern int sha1_object_info_extended(const unsigned char *, struct object_info *);
/* Dumb servers support */
extern int update_server_info(int);
+/* git_config_parse_key() returns these negated: */
+#define CONFIG_INVALID_KEY 1
+#define CONFIG_NO_SECTION_OR_NAME 2
+/* git_config_set(), git_config_set_multivar() return the above or these: */
+#define CONFIG_NO_LOCK -1
+#define CONFIG_INVALID_FILE 3
+#define CONFIG_NO_WRITE 4
+#define CONFIG_NOTHING_SET 5
+#define CONFIG_INVALID_PATTERN 6
+
typedef int (*config_fn_t)(const char *, const char *, void *);
extern int git_default_config(const char *, const char *, void *);
extern int git_config_from_file(config_fn_t fn, const char *, void *);
extern int git_config_maybe_bool(const char *, const char *);
extern int git_config_string(const char **, const char *, const char *);
extern int git_config_pathname(const char **, const char *, const char *);
+extern int git_config_set_in_file(const char *, const char *, const char *);
extern int git_config_set(const char *, const char *);
extern int git_config_parse_key(const char *, char **, int *);
extern int git_config_set_multivar(const char *, const char *, const char *, int);
+extern int git_config_set_multivar_in_file(const char *, const char *, const char *, const char *, int);
extern int git_config_rename_section(const char *, const char *);
extern const char *git_etc_gitconfig(void);
extern int check_repository_format_version(const char *var, const char *value, void *cb);
extern const char *get_log_output_encoding(void);
extern const char *get_commit_output_encoding(void);
+extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data);
+
extern const char *config_exclusive_filename;
#define MAX_GITNAME (1000)
void packet_trace_identity(const char *prog);
-/* convert.c */
-/* returns 1 if *dst was used */
-extern int convert_to_git(const char *path, const char *src, size_t len,
- struct strbuf *dst, enum safe_crlf checksafe);
-extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst);
-extern int renormalize_buffer(const char *path, const char *src, size_t len, struct strbuf *dst);
-
/* add */
/*
* return 0 if success, 1 - if addition of a file failed and
#define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK)
/* ls-files */
-int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset);
+int report_path_error(const char *ps_matched, const char **pathspec, const char *prefix);
void overlay_tree_on_cache(const char *tree_name, const char *prefix);
char *alias_lookup(const char *alias);