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#ifndef SETUP_H
#define SETUP_H
#include "string-list.h"
int is_inside_git_dir(void);
int is_inside_work_tree(void);
int get_common_dir_noenv(struct strbuf *sb, const char *gitdir);
int get_common_dir(struct strbuf *sb, const char *gitdir);
/*
* Return true if the given path is a git directory; note that this _just_
* looks at the directory itself. If you want to know whether "foo/.git"
* is a repository, you must feed that path, not just "foo".
*/
int is_git_directory(const char *path);
/*
* Return 1 if the given path is the root of a git repository or
* submodule, else 0. Will not return 1 for bare repositories with the
* exception of creating a bare repository in "foo/.git" and calling
* is_git_repository("foo").
*
* If we run into read errors, we err on the side of saying "yes, it is",
* as we usually consider sub-repos precious, and would prefer to err on the
* side of not disrupting or deleting them.
*/
int is_nonbare_repository_dir(struct strbuf *path);
#define READ_GITFILE_ERR_STAT_FAILED 1
#define READ_GITFILE_ERR_NOT_A_FILE 2
#define READ_GITFILE_ERR_OPEN_FAILED 3
#define READ_GITFILE_ERR_READ_FAILED 4
#define READ_GITFILE_ERR_INVALID_FORMAT 5
#define READ_GITFILE_ERR_NO_PATH 6
#define READ_GITFILE_ERR_NOT_A_REPO 7
#define READ_GITFILE_ERR_TOO_LARGE 8
void read_gitfile_error_die(int error_code, const char *path, const char *dir);
const char *read_gitfile_gently(const char *path, int *return_error_code);
#define read_gitfile(path) read_gitfile_gently((path), NULL)
const char *resolve_gitdir_gently(const char *suspect, int *return_error_code);
#define resolve_gitdir(path) resolve_gitdir_gently((path), NULL)
void setup_work_tree(void);
/*
* discover_git_directory_reason() is similar to discover_git_directory(),
* except it returns an enum value instead. It is important to note that
* a zero-valued return here is actually GIT_DIR_NONE, which is different
* from discover_git_directory.
*/
enum discovery_result {
GIT_DIR_EXPLICIT = 1,
GIT_DIR_DISCOVERED = 2,
GIT_DIR_BARE = 3,
/* these are errors */
GIT_DIR_HIT_CEILING = -1,
GIT_DIR_HIT_MOUNT_POINT = -2,
GIT_DIR_INVALID_GITFILE = -3,
GIT_DIR_INVALID_OWNERSHIP = -4,
GIT_DIR_DISALLOWED_BARE = -5,
GIT_DIR_INVALID_FORMAT = -6,
GIT_DIR_CWD_FAILURE = -7,
};
enum discovery_result discover_git_directory_reason(struct strbuf *commondir,
struct strbuf *gitdir);
/*
* Find the commondir and gitdir of the repository that contains the current
* working directory, without changing the working directory or other global
* state. The result is appended to commondir and gitdir. If the discovered
* gitdir does not correspond to a worktree, then 'commondir' and 'gitdir' will
* both have the same result appended to the buffer. The return value is
* either 0 upon success and -1 if no repository was found.
*/
static inline int discover_git_directory(struct strbuf *commondir,
struct strbuf *gitdir)
{
if (discover_git_directory_reason(commondir, gitdir) <= 0)
return -1;
return 0;
}
const char *setup_git_directory_gently(int *);
const char *setup_git_directory(void);
char *prefix_path(const char *prefix, int len, const char *path);
char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path);
int check_filename(const char *prefix, const char *name);
void verify_filename(const char *prefix,
const char *name,
int diagnose_misspelt_rev);
void verify_non_filename(const char *prefix, const char *name);
int path_inside_repo(const char *prefix, const char *path);
void sanitize_stdfds(void);
int daemonize(void);
/*
* GIT_REPO_VERSION is the version we write by default. The
* _READ variant is the highest number we know how to
* handle.
*/
#define GIT_REPO_VERSION 0
#define GIT_REPO_VERSION_READ 1
/*
* You _have_ to initialize a `struct repository_format` using
* `= REPOSITORY_FORMAT_INIT` before calling `read_repository_format()`.
*/
struct repository_format {
int version;
int precious_objects;
char *partial_clone; /* value of extensions.partialclone */
int worktree_config;
int is_bare;
int hash_algo;
unsigned int ref_storage_format;
int sparse_index;
char *work_tree;
struct string_list unknown_extensions;
struct string_list v1_only_extensions;
};
/*
* Always use this to initialize a `struct repository_format`
* to a well-defined, default state before calling
* `read_repository()`.
*/
#define REPOSITORY_FORMAT_INIT \
{ \
.version = -1, \
.is_bare = -1, \
.hash_algo = GIT_HASH_SHA1, \
.ref_storage_format = REF_STORAGE_FORMAT_FILES, \
.unknown_extensions = STRING_LIST_INIT_DUP, \
.v1_only_extensions = STRING_LIST_INIT_DUP, \
}
/*
* Read the repository format characteristics from the config file "path" into
* "format" struct. Returns the numeric version. On error, or if no version is
* found in the configuration, -1 is returned, format->version is set to -1,
* and all other fields in the struct are set to the default configuration
* (REPOSITORY_FORMAT_INIT). Always initialize the struct using
* REPOSITORY_FORMAT_INIT before calling this function.
*/
int read_repository_format(struct repository_format *format, const char *path);
/*
* Free the memory held onto by `format`, but not the struct itself.
* (No need to use this after `read_repository_format()` fails.)
*/
void clear_repository_format(struct repository_format *format);
/*
* Verify that the repository described by repository_format is something we
* can read. If it is, return 0. Otherwise, return -1, and "err" will describe
* any errors encountered.
*/
int verify_repository_format(const struct repository_format *format,
struct strbuf *err);
/*
* Check the repository format version in the path found in get_git_dir(),
* and die if it is a version we don't understand. Generally one would
* set_git_dir() before calling this, and use it only for "are we in a valid
* repo?".
*
* If successful and fmt is not NULL, fill fmt with data.
*/
void check_repository_format(struct repository_format *fmt);
#define INIT_DB_QUIET (1 << 0)
#define INIT_DB_EXIST_OK (1 << 1)
#define INIT_DB_SKIP_REFDB (1 << 2)
int init_db(const char *git_dir, const char *real_git_dir,
const char *template_dir, int hash_algo,
unsigned int ref_storage_format,
const char *initial_branch, int init_shared_repository,
unsigned int flags);
void initialize_repository_version(int hash_algo,
unsigned int ref_storage_format,
int reinit);
void create_reference_database(unsigned int ref_storage_format,
const char *initial_branch, int quiet);
/*
* NOTE NOTE NOTE!!
*
* PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
* not be changed. Old repositories have core.sharedrepository written in
* numeric format, and therefore these values are preserved for compatibility
* reasons.
*/
enum sharedrepo {
PERM_UMASK = 0,
OLD_PERM_GROUP = 1,
OLD_PERM_EVERYBODY = 2,
PERM_GROUP = 0660,
PERM_EVERYBODY = 0664
};
int git_config_perm(const char *var, const char *value);
struct startup_info {
int have_repository;
const char *prefix;
const char *original_cwd;
};
extern struct startup_info *startup_info;
extern const char *tmp_original_cwd;
#endif /* SETUP_H */
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