Adding upstream version 1:2.47.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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233
setup.h
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233
setup.h
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#ifndef SETUP_H
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#define SETUP_H
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#include "refs.h"
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#include "string-list.h"
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int is_inside_git_dir(void);
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int is_inside_work_tree(void);
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int get_common_dir_noenv(struct strbuf *sb, const char *gitdir);
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int get_common_dir(struct strbuf *sb, const char *gitdir);
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/*
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* Return true if the given path is a git directory; note that this _just_
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* looks at the directory itself. If you want to know whether "foo/.git"
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* is a repository, you must feed that path, not just "foo".
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*/
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int is_git_directory(const char *path);
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/*
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* Return 1 if the given path is the root of a git repository or
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* submodule, else 0. Will not return 1 for bare repositories with the
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* exception of creating a bare repository in "foo/.git" and calling
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* is_git_repository("foo").
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*
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* If we run into read errors, we err on the side of saying "yes, it is",
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* as we usually consider sub-repos precious, and would prefer to err on the
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* side of not disrupting or deleting them.
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*/
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int is_nonbare_repository_dir(struct strbuf *path);
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#define READ_GITFILE_ERR_STAT_FAILED 1
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#define READ_GITFILE_ERR_NOT_A_FILE 2
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#define READ_GITFILE_ERR_OPEN_FAILED 3
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#define READ_GITFILE_ERR_READ_FAILED 4
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#define READ_GITFILE_ERR_INVALID_FORMAT 5
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#define READ_GITFILE_ERR_NO_PATH 6
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#define READ_GITFILE_ERR_NOT_A_REPO 7
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#define READ_GITFILE_ERR_TOO_LARGE 8
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void read_gitfile_error_die(int error_code, const char *path, const char *dir);
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const char *read_gitfile_gently(const char *path, int *return_error_code);
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#define read_gitfile(path) read_gitfile_gently((path), NULL)
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const char *resolve_gitdir_gently(const char *suspect, int *return_error_code);
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#define resolve_gitdir(path) resolve_gitdir_gently((path), NULL)
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/*
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* Check if a repository is safe and die if it is not, by verifying the
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* ownership of the worktree (if any), the git directory, and the gitfile (if
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* any).
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*
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* Exemptions for known-safe repositories can be added via `safe.directory`
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* config settings; for non-bare repositories, their worktree needs to be
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* added, for bare ones their git directory.
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*/
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void die_upon_dubious_ownership(const char *gitfile, const char *worktree,
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const char *gitdir);
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void setup_work_tree(void);
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/*
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* discover_git_directory_reason() is similar to discover_git_directory(),
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* except it returns an enum value instead. It is important to note that
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* a zero-valued return here is actually GIT_DIR_NONE, which is different
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* from discover_git_directory.
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*/
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enum discovery_result {
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GIT_DIR_EXPLICIT = 1,
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GIT_DIR_DISCOVERED = 2,
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GIT_DIR_BARE = 3,
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/* these are errors */
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GIT_DIR_HIT_CEILING = -1,
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GIT_DIR_HIT_MOUNT_POINT = -2,
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GIT_DIR_INVALID_GITFILE = -3,
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GIT_DIR_INVALID_OWNERSHIP = -4,
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GIT_DIR_DISALLOWED_BARE = -5,
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GIT_DIR_INVALID_FORMAT = -6,
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GIT_DIR_CWD_FAILURE = -7,
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};
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enum discovery_result discover_git_directory_reason(struct strbuf *commondir,
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struct strbuf *gitdir);
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/*
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* Find the commondir and gitdir of the repository that contains the current
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* working directory, without changing the working directory or other global
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* state. The result is appended to commondir and gitdir. If the discovered
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* gitdir does not correspond to a worktree, then 'commondir' and 'gitdir' will
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* both have the same result appended to the buffer. The return value is
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* either 0 upon success and -1 if no repository was found.
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*/
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static inline int discover_git_directory(struct strbuf *commondir,
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struct strbuf *gitdir)
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{
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if (discover_git_directory_reason(commondir, gitdir) <= 0)
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return -1;
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return 0;
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}
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void set_git_dir(const char *path, int make_realpath);
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void set_git_work_tree(const char *tree);
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const char *setup_git_directory_gently(int *);
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const char *setup_git_directory(void);
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char *prefix_path(const char *prefix, int len, const char *path);
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char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path);
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int check_filename(const char *prefix, const char *name);
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void verify_filename(const char *prefix,
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const char *name,
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int diagnose_misspelt_rev);
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void verify_non_filename(const char *prefix, const char *name);
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int path_inside_repo(const char *prefix, const char *path);
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void sanitize_stdfds(void);
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int daemonize(void);
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/*
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* GIT_REPO_VERSION is the version we write by default. The
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* _READ variant is the highest number we know how to
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* handle.
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*/
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#define GIT_REPO_VERSION 0
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#define GIT_REPO_VERSION_READ 1
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/*
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* You _have_ to initialize a `struct repository_format` using
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* `= REPOSITORY_FORMAT_INIT` before calling `read_repository_format()`.
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*/
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struct repository_format {
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int version;
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int precious_objects;
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char *partial_clone; /* value of extensions.partialclone */
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int worktree_config;
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int is_bare;
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int hash_algo;
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int compat_hash_algo;
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enum ref_storage_format ref_storage_format;
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int sparse_index;
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char *work_tree;
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struct string_list unknown_extensions;
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struct string_list v1_only_extensions;
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};
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/*
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* Always use this to initialize a `struct repository_format`
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* to a well-defined, default state before calling
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* `read_repository()`.
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*/
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#define REPOSITORY_FORMAT_INIT \
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{ \
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.version = -1, \
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.is_bare = -1, \
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.hash_algo = GIT_HASH_SHA1, \
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.ref_storage_format = REF_STORAGE_FORMAT_FILES, \
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.unknown_extensions = STRING_LIST_INIT_DUP, \
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.v1_only_extensions = STRING_LIST_INIT_DUP, \
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}
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/*
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* Read the repository format characteristics from the config file "path" into
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* "format" struct. Returns the numeric version. On error, or if no version is
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* found in the configuration, -1 is returned, format->version is set to -1,
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* and all other fields in the struct are set to the default configuration
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* (REPOSITORY_FORMAT_INIT). Always initialize the struct using
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* REPOSITORY_FORMAT_INIT before calling this function.
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*/
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int read_repository_format(struct repository_format *format, const char *path);
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/*
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* Free the memory held onto by `format`, but not the struct itself.
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* (No need to use this after `read_repository_format()` fails.)
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*/
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void clear_repository_format(struct repository_format *format);
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/*
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* Verify that the repository described by repository_format is something we
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* can read. If it is, return 0. Otherwise, return -1, and "err" will describe
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* any errors encountered.
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*/
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int verify_repository_format(const struct repository_format *format,
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struct strbuf *err);
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/*
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* Check the repository format version in the path found in repo_get_git_dir(the_repository),
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* and die if it is a version we don't understand. Generally one would
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* set_git_dir() before calling this, and use it only for "are we in a valid
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* repo?".
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*
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* If successful and fmt is not NULL, fill fmt with data.
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*/
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void check_repository_format(struct repository_format *fmt);
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const char *get_template_dir(const char *option_template);
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#define INIT_DB_QUIET (1 << 0)
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#define INIT_DB_EXIST_OK (1 << 1)
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#define INIT_DB_SKIP_REFDB (1 << 2)
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int init_db(const char *git_dir, const char *real_git_dir,
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const char *template_dir, int hash_algo,
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enum ref_storage_format ref_storage_format,
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const char *initial_branch, int init_shared_repository,
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unsigned int flags);
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void initialize_repository_version(int hash_algo,
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enum ref_storage_format ref_storage_format,
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int reinit);
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void create_reference_database(enum ref_storage_format ref_storage_format,
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const char *initial_branch, int quiet);
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/*
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* NOTE NOTE NOTE!!
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*
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* PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
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* not be changed. Old repositories have core.sharedrepository written in
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* numeric format, and therefore these values are preserved for compatibility
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* reasons.
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*/
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enum sharedrepo {
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PERM_UMASK = 0,
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OLD_PERM_GROUP = 1,
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OLD_PERM_EVERYBODY = 2,
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PERM_GROUP = 0660,
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PERM_EVERYBODY = 0664
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};
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int git_config_perm(const char *var, const char *value);
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struct startup_info {
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int have_repository;
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const char *prefix;
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const char *original_cwd;
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};
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extern struct startup_info *startup_info;
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extern const char *tmp_original_cwd;
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#endif /* SETUP_H */
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