mirror of
https://github.com/git/git.git
synced 2024-05-07 08:06:43 +02:00
44451a2e5e
Earlier, 47cfc9bd (attr: add flag `--source` to work with tree-ish,
2023-01-14) taught "git check-attr" the "--source=<tree>" option to
allow it to read attribute files from a tree-ish, but did so only
for the command. Just like "check-attr" users wanted a way to use
attributes from a tree-ish and not from the working tree files,
users of other commands (like "git diff") would benefit from the
same.
Undo most of the UI change the commit made, while keeping the
internal logic to read attributes from a given tree-ish. Expose the
internal logic via a new "--attr-source=<tree>" command line option
given to "git", so that it can be used with any git command that
runs as part of the main git process.
Additionally, add an environment variable GIT_ATTR_SOURCE that is set
when --attr-source is passed in, so that subprocesses use the same value
for the attributes source tree.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
234 lines
7.6 KiB
C
234 lines
7.6 KiB
C
#ifndef ENVIRONMENT_H
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#define ENVIRONMENT_H
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#include "strvec.h"
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struct repository;
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/*
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* The character that begins a commented line in user-editable file
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* that is subject to stripspace.
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*/
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extern char comment_line_char;
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extern int auto_comment_line_char;
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/*
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* Wrapper of getenv() that returns a strdup value. This value is kept
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* in argv to be freed later.
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*/
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const char *getenv_safe(struct strvec *argv, const char *name);
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/* Double-check local_repo_env below if you add to this list. */
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#define GIT_DIR_ENVIRONMENT "GIT_DIR"
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#define GIT_COMMON_DIR_ENVIRONMENT "GIT_COMMON_DIR"
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#define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE"
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#define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE"
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#define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX"
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#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
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#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
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#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
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#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
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#define GIT_SHALLOW_FILE_ENVIRONMENT "GIT_SHALLOW_FILE"
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#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
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#define CONFIG_ENVIRONMENT "GIT_CONFIG"
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#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"
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#define CONFIG_COUNT_ENVIRONMENT "GIT_CONFIG_COUNT"
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#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
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#define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES"
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#define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS"
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#define GIT_REPLACE_REF_BASE_ENVIRONMENT "GIT_REPLACE_REF_BASE"
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#define GITATTRIBUTES_FILE ".gitattributes"
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#define INFOATTRIBUTES_FILE "info/attributes"
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#define ATTRIBUTE_MACRO_PREFIX "[attr]"
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#define GITMODULES_FILE ".gitmodules"
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#define GITMODULES_INDEX ":.gitmodules"
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#define GITMODULES_HEAD "HEAD:.gitmodules"
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#define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"
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#define GIT_NOTES_DEFAULT_REF "refs/notes/commits"
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#define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF"
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#define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF"
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#define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE"
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#define GIT_LITERAL_PATHSPECS_ENVIRONMENT "GIT_LITERAL_PATHSPECS"
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#define GIT_GLOB_PATHSPECS_ENVIRONMENT "GIT_GLOB_PATHSPECS"
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#define GIT_NOGLOB_PATHSPECS_ENVIRONMENT "GIT_NOGLOB_PATHSPECS"
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#define GIT_ICASE_PATHSPECS_ENVIRONMENT "GIT_ICASE_PATHSPECS"
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#define GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH"
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#define GIT_OPTIONAL_LOCKS_ENVIRONMENT "GIT_OPTIONAL_LOCKS"
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#define GIT_TEXT_DOMAIN_DIR_ENVIRONMENT "GIT_TEXTDOMAINDIR"
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#define GIT_ATTR_SOURCE_ENVIRONMENT "GIT_ATTR_SOURCE"
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/*
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* Environment variable used in handshaking the wire protocol.
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* Contains a colon ':' separated list of keys with optional values
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* 'key[=value]'. Presence of unknown keys and values must be
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* ignored.
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*/
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#define GIT_PROTOCOL_ENVIRONMENT "GIT_PROTOCOL"
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/* HTTP header used to handshake the wire protocol */
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#define GIT_PROTOCOL_HEADER "Git-Protocol"
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/*
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* This environment variable is expected to contain a boolean indicating
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* whether we should or should not treat:
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*
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* GIT_DIR=foo.git git ...
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*
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* as if GIT_WORK_TREE=. was given. It's not expected that users will make use
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* of this, but we use it internally to communicate to sub-processes that we
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* are in a bare repo. If not set, defaults to true.
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*/
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#define GIT_IMPLICIT_WORK_TREE_ENVIRONMENT "GIT_IMPLICIT_WORK_TREE"
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/*
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* Repository-local GIT_* environment variables; these will be cleared
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* when git spawns a sub-process that runs inside another repository.
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* The array is NULL-terminated, which makes it easy to pass in the "env"
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* parameter of a run-command invocation, or to do a simple walk.
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*/
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extern const char * const local_repo_env[];
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void setup_git_env(const char *git_dir);
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/*
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* Returns true iff we have a configured git repository (either via
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* setup_git_directory, or in the environment via $GIT_DIR).
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*/
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int have_git_dir(void);
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extern int is_bare_repository_cfg;
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int is_bare_repository(void);
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extern char *git_work_tree_cfg;
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const char *get_git_dir(void);
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const char *get_git_common_dir(void);
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const char *get_object_directory(void);
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char *get_index_file(void);
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char *get_graft_file(struct repository *r);
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void set_git_dir(const char *path, int make_realpath);
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const char *get_git_namespace(void);
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const char *strip_namespace(const char *namespaced_ref);
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const char *get_git_work_tree(void);
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void set_git_work_tree(const char *tree);
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#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
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/* Environment bits from configuration mechanism */
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extern int trust_executable_bit;
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extern int trust_ctime;
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extern int check_stat;
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extern int has_symlinks;
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extern int minimum_abbrev, default_abbrev;
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extern int ignore_case;
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extern int assume_unchanged;
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extern int prefer_symlink_refs;
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extern int warn_ambiguous_refs;
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extern int warn_on_object_refname_ambiguity;
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extern char *apply_default_whitespace;
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extern char *apply_default_ignorewhitespace;
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extern const char *git_attributes_file;
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extern const char *git_hooks_path;
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extern int zlib_compression_level;
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extern int pack_compression_level;
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extern size_t packed_git_window_size;
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extern size_t packed_git_limit;
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extern size_t delta_base_cache_limit;
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extern unsigned long big_file_threshold;
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extern unsigned long pack_size_limit_cfg;
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/*
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* Accessors for the core.sharedrepository config which lazy-load the value
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* from the config (if not already set). The "reset" function can be
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* used to unset "set" or cached value, meaning that the value will be loaded
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* fresh from the config file on the next call to get_shared_repository().
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*/
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void set_shared_repository(int value);
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int get_shared_repository(void);
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void reset_shared_repository(void);
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extern int core_preload_index;
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extern int precomposed_unicode;
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extern int protect_hfs;
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extern int protect_ntfs;
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extern int core_apply_sparse_checkout;
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extern int core_sparse_checkout_cone;
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extern int sparse_expect_files_outside_of_patterns;
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/*
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* Returns the boolean value of $GIT_OPTIONAL_LOCKS (or the default value).
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*/
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int use_optional_locks(void);
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enum log_refs_config {
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LOG_REFS_UNSET = -1,
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LOG_REFS_NONE = 0,
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LOG_REFS_NORMAL,
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LOG_REFS_ALWAYS
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};
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extern enum log_refs_config log_all_ref_updates;
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enum rebase_setup_type {
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AUTOREBASE_NEVER = 0,
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AUTOREBASE_LOCAL,
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AUTOREBASE_REMOTE,
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AUTOREBASE_ALWAYS
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};
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enum push_default_type {
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PUSH_DEFAULT_NOTHING = 0,
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PUSH_DEFAULT_MATCHING,
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PUSH_DEFAULT_SIMPLE,
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PUSH_DEFAULT_UPSTREAM,
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PUSH_DEFAULT_CURRENT,
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PUSH_DEFAULT_UNSPECIFIED
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};
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extern enum rebase_setup_type autorebase;
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extern enum push_default_type push_default;
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enum object_creation_mode {
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OBJECT_CREATION_USES_HARDLINKS = 0,
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OBJECT_CREATION_USES_RENAMES = 1
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};
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extern enum object_creation_mode object_creation_mode;
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extern char *notes_ref_name;
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extern int grafts_replace_parents;
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extern int repository_format_precious_objects;
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extern int repository_format_worktree_config;
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/*
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* Create a temporary file rooted in the object database directory, or
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* die on failure. The filename is taken from "pattern", which should have the
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* usual "XXXXXX" trailer, and the resulting filename is written into the
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* "template" buffer. Returns the open descriptor.
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*/
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int odb_mkstemp(struct strbuf *temp_filename, const char *pattern);
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/*
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* Create a pack .keep file named "name" (which should generally be the output
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* of odb_pack_name). Returns a file descriptor opened for writing, or -1 on
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* error.
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*/
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int odb_pack_keep(const char *name);
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const char *get_log_output_encoding(void);
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const char *get_commit_output_encoding(void);
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extern const char *git_commit_encoding;
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extern const char *git_log_output_encoding;
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extern const char *editor_program;
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extern const char *askpass_program;
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extern const char *excludes_file;
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/*
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* Should we print an ellipsis after an abbreviated SHA-1 value
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* when doing diff-raw output or indicating a detached HEAD?
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*/
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int print_sha1_ellipsis(void);
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#endif
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