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/* * We put all the git config variables in this same object * file, so that programs can link against the config parser * without having to link against all the rest of git. * * In particular, no need to bring in libz etc unless needed, * even if you might want to know where the git directory etc * are. */ #include "cache.h" #include "refs.h" #include "fmt-merge-msg.h" #include "commit.h" int trust_executable_bit = 1; int trust_ctime = 1; int check_stat = 1; int has_symlinks = 1; int minimum_abbrev = 4, default_abbrev = 7; int ignore_case; int assume_unchanged; int prefer_symlink_refs; int is_bare_repository_cfg = -1; /* unspecified */ int log_all_ref_updates = -1; /* unspecified */ int warn_ambiguous_refs = 1; int warn_on_object_refname_ambiguity = 1; int repository_format_version; const char *git_commit_encoding; const char *git_log_output_encoding; int shared_repository = PERM_UMASK; const char *apply_default_whitespace; const char *apply_default_ignorewhitespace; const char *git_attributes_file; int zlib_compression_level = Z_BEST_SPEED; int core_compression_level; int core_compression_seen; int fsync_object_files; size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; size_t delta_base_cache_limit = 16 * 1024 * 1024; unsigned long big_file_threshold = 512 * 1024 * 1024; const char *pager_program; int pager_use_color = 1; const char *editor_program; const char *askpass_program; const char *excludes_file; enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; int check_replace_refs = 1; enum eol core_eol = EOL_UNSET; enum safe_crlf safe_crlf = SAFE_CRLF_WARN; unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; enum rebase_setup_type autorebase = AUTOREBASE_NEVER; enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; #ifndef OBJECT_CREATION_MODE #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS #endif enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; char *notes_ref_name; int grafts_replace_parents = 1; int core_apply_sparse_checkout; int merge_log_config = -1; int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ struct startup_info *startup_info; unsigned long pack_size_limit_cfg; #ifndef PROTECT_HFS_DEFAULT #define PROTECT_HFS_DEFAULT 0 #endif int protect_hfs = PROTECT_HFS_DEFAULT; #ifndef PROTECT_NTFS_DEFAULT #define PROTECT_NTFS_DEFAULT 0 #endif int protect_ntfs = PROTECT_NTFS_DEFAULT; /* * The character that begins a commented line in user-editable file * that is subject to stripspace. */ char comment_line_char = '#'; /* Parallel index stat data preload? */ int core_preload_index = 0; /* This is set by setup_git_dir_gently() and/or git_default_config() */ char *git_work_tree_cfg; static char *work_tree; static const char *namespace; static size_t namespace_len; static const char *git_dir; static char *git_object_dir, *git_index_file, *git_graft_file; /* * Repository-local GIT_* environment variables; see cache.h for details. */ const char * const local_repo_env[] = { ALTERNATE_DB_ENVIRONMENT, CONFIG_ENVIRONMENT, CONFIG_DATA_ENVIRONMENT, DB_ENVIRONMENT, GIT_DIR_ENVIRONMENT, GIT_WORK_TREE_ENVIRONMENT, GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, GRAFT_ENVIRONMENT, INDEX_ENVIRONMENT, NO_REPLACE_OBJECTS_ENVIRONMENT, GIT_PREFIX_ENVIRONMENT, GIT_SHALLOW_FILE_ENVIRONMENT, NULL }; static char *expand_namespace(const char *raw_namespace) { struct strbuf buf = STRBUF_INIT; struct strbuf **components, **c; if (!raw_namespace || !*raw_namespace) return xstrdup(""); strbuf_addstr(&buf, raw_namespace); components = strbuf_split(&buf, '/'); strbuf_reset(&buf); for (c = components; *c; c++) if (strcmp((*c)->buf, "/") != 0) strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf); strbuf_list_free(components); if (check_refname_format(buf.buf, 0)) die("bad git namespace path \"%s\"", raw_namespace); strbuf_addch(&buf, '/'); return strbuf_detach(&buf, NULL); } static void setup_git_env(void) { const char *gitfile; const char *shallow_file; git_dir = getenv(GIT_DIR_ENVIRONMENT); if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; gitfile = read_gitfile(git_dir); git_dir = xstrdup(gitfile ? gitfile : git_dir); git_object_dir = getenv(DB_ENVIRONMENT); if (!git_object_dir) { git_object_dir = xmalloc(strlen(git_dir) + 9); sprintf(git_object_dir, "%s/objects", git_dir); } git_index_file = getenv(INDEX_ENVIRONMENT); if (!git_index_file) { git_index_file = xmalloc(strlen(git_dir) + 7); sprintf(git_index_file, "%s/index", git_dir); } git_graft_file = getenv(GRAFT_ENVIRONMENT); if (!git_graft_file) git_graft_file = git_pathdup("info/grafts"); if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) check_replace_refs = 0; namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); namespace_len = strlen(namespace); shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); if (shallow_file) set_alternate_shallow_file(shallow_file, 0); } int is_bare_repository(void) { /* if core.bare is not 'false', let's see if there is a work tree */ return is_bare_repository_cfg && !get_git_work_tree(); } const char *get_git_dir(void) { if (!git_dir) setup_git_env(); return git_dir; } const char *get_git_namespace(void) { if (!namespace) setup_git_env(); return namespace; } const char *strip_namespace(const char *namespaced_ref) { if (!starts_with(namespaced_ref, get_git_namespace())) return NULL; return namespaced_ref + namespace_len; } static int git_work_tree_initialized; /* * Note. This works only before you used a work tree. This was added * primarily to support git-clone to work in a new repository it just * created, and is not meant to flip between different work trees. */ void set_git_work_tree(const char *new_work_tree) { if (git_work_tree_initialized) { new_work_tree = real_path(new_work_tree); if (strcmp(new_work_tree, work_tree)) die("internal error: work tree has already been set\n" "Current worktree: %s\nNew worktree: %s", work_tree, new_work_tree); return; } git_work_tree_initialized = 1; work_tree = xstrdup(real_path(new_work_tree)); } const char *get_git_work_tree(void) { return work_tree; } char *get_object_directory(void) { if (!git_object_dir) setup_git_env(); return git_object_dir; } int odb_mkstemp(char *template, size_t limit, const char *pattern) { int fd; /* * we let the umask do its job, don't try to be more * restrictive except to remove write permission. */ int mode = 0444; snprintf(template, limit, "%s/%s", get_object_directory(), pattern); fd = git_mkstemp_mode(template, mode); if (0 <= fd) return fd; /* slow path */ /* some mkstemp implementations erase template on failure */ snprintf(template, limit, "%s/%s", get_object_directory(), pattern); safe_create_leading_directories(template); return xmkstemp_mode(template, mode); } int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1) { int fd; snprintf(name, namesz, "%s/pack/pack-%s.keep", get_object_directory(), sha1_to_hex(sha1)); fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); if (0 <= fd) return fd; /* slow path */ safe_create_leading_directories(name); return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); } char *get_index_file(void) { if (!git_index_file) setup_git_env(); return git_index_file; } char *get_graft_file(void) { if (!git_graft_file) setup_git_env(); return git_graft_file; } int set_git_dir(const char *path) { if (setenv(GIT_DIR_ENVIRONMENT, path, 1)) return error("Could not set GIT_DIR to '%s'", path); setup_git_env(); return 0; } const char *get_log_output_encoding(void) { return git_log_output_encoding ? git_log_output_encoding : get_commit_output_encoding(); } const char *get_commit_output_encoding(void) { return git_commit_encoding ? git_commit_encoding : "UTF-8"; }
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