/* * 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 "repository.h" #include "config.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 = -1; int ignore_case; int assume_unchanged; int prefer_symlink_refs; int is_bare_repository_cfg = -1; /* unspecified */ int warn_ambiguous_refs = 1; int warn_on_object_refname_ambiguity = 1; int ref_paranoia = -1; int repository_format_precious_objects; char *repository_format_partial_clone; const char *core_partial_clone_filter_default; const char *git_commit_encoding; const char *git_log_output_encoding; const char *apply_default_whitespace; const char *apply_default_ignorewhitespace; const char *git_attributes_file; const char *git_hooks_path; int zlib_compression_level = Z_BEST_SPEED; int core_compression_level; int pack_compression_level = Z_DEFAULT_COMPRESSION; 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 = 96 * 1024 * 1024; unsigned long big_file_threshold = 512 * 1024 * 1024; 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; char *git_replace_ref_base; enum eol core_eol = EOL_UNSET; int global_conv_flags_eol = CONV_EOL_RNDTRP_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_commit_graph; int core_apply_sparse_checkout; int merge_log_config = -1; int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ unsigned long pack_size_limit_cfg; enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET; #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; const char *core_fsmonitor; /* * The character that begins a commented line in user-editable file * that is subject to stripspace. */ char comment_line_char = '#'; int auto_comment_line_char; /* Parallel index stat data preload? */ int core_preload_index = 1; /* * This is a hack for test programs like test-dump-untracked-cache to * ensure that they do not modify the untracked cache when reading it. * Do not use it otherwise! */ int ignore_untracked_cache_config; /* This is set by setup_git_dir_gently() and/or git_default_config() */ char *git_work_tree_cfg; static char *namespace; static const char *super_prefix; /* * 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_REPLACE_REF_BASE_ENVIRONMENT, GIT_PREFIX_ENVIRONMENT, GIT_SUPER_PREFIX_ENVIRONMENT, GIT_SHALLOW_FILE_ENVIRONMENT, GIT_COMMON_DIR_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); } void setup_git_env(void) { const char *shallow_file; const char *replace_ref_base; if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) check_replace_refs = 0; replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); free(git_replace_ref_base); git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base : "refs/replace/"); free(namespace); namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); 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(); } int have_git_dir(void) { return startup_info->have_repository || the_repository->gitdir; } const char *get_git_dir(void) { if (!the_repository->gitdir) BUG("git environment hasn't been setup"); return the_repository->gitdir; } const char *get_git_common_dir(void) { if (!the_repository->commondir) BUG("git environment hasn't been setup"); return the_repository->commondir; } const char *get_git_namespace(void) { if (!namespace) BUG("git environment hasn't been setup"); return namespace; } const char *strip_namespace(const char *namespaced_ref) { const char *out; if (skip_prefix(namespaced_ref, get_git_namespace(), &out)) return out; return NULL; } const char *get_super_prefix(void) { static int initialized; if (!initialized) { super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT); initialized = 1; } return super_prefix; } 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, the_repository->worktree)) die("internal error: work tree has already been set\n" "Current worktree: %s\nNew worktree: %s", the_repository->worktree, new_work_tree); return; } git_work_tree_initialized = 1; repo_set_worktree(the_repository, new_work_tree); } const char *get_git_work_tree(void) { return the_repository->worktree; } char *get_object_directory(void) { if (!the_repository->objectdir) BUG("git environment hasn't been setup"); return the_repository->objectdir; } int odb_mkstemp(struct strbuf *template, 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; git_path_buf(template, "objects/%s", pattern); fd = git_mkstemp_mode(template->buf, mode); if (0 <= fd) return fd; /* slow path */ /* some mkstemp implementations erase template on failure */ git_path_buf(template, "objects/%s", pattern); safe_create_leading_directories(template->buf); return xmkstemp_mode(template->buf, mode); } int odb_pack_keep(const char *name) { int fd; fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); if (0 <= fd) return fd; /* slow path */ safe_create_leading_directories_const(name); return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); } char *get_index_file(void) { if (!the_repository->index_file) BUG("git environment hasn't been setup"); return the_repository->index_file; } char *get_graft_file(void) { if (!the_repository->graft_file) BUG("git environment hasn't been setup"); return the_repository->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); repo_set_gitdir(the_repository, 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"; } static int the_shared_repository = PERM_UMASK; static int need_shared_repository_from_config = 1; void set_shared_repository(int value) { the_shared_repository = value; need_shared_repository_from_config = 0; } int get_shared_repository(void) { if (need_shared_repository_from_config) { const char *var = "core.sharedrepository"; const char *value; if (!git_config_get_value(var, &value)) the_shared_repository = git_config_perm(var, value); need_shared_repository_from_config = 0; } return the_shared_repository; } void reset_shared_repository(void) { need_shared_repository_from_config = 1; } int use_optional_locks(void) { return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT, 1); } int print_sha1_ellipsis(void) { /* * Determine if the calling environment contains the variable * GIT_PRINT_SHA1_ELLIPSIS set to "yes". */ static int cached_result = -1; /* unknown */ if (cached_result < 0) { const char *v = getenv("GIT_PRINT_SHA1_ELLIPSIS"); cached_result = (v && !strcasecmp(v, "yes")); } return cached_result; }