/** Get environment variable value. */ static env_var_t fishd_env_get(const char *key) { const char *env = getenv(key); if (env != NULL) { return env_var_t(str2wcstring(env)); } else { const wcstring wkey = str2wcstring(key); const wchar_t *tmp = env_universal_common_get(wkey); return tmp ? env_var_t(tmp) : env_var_t::missing_var(); } }
env_var_t env_vars_snapshot_t::get(const wcstring &key) const { // If we represent the current state, bounce to env_get_string. if (this->is_current()) { return env_get_string(key); } std::map<wcstring, wcstring>::const_iterator iter = vars.find(key); return iter == vars.end() ? env_var_t::missing_var() : env_var_t(iter->second); }
/** Get environment variable value. */ static env_var_t fishd_env_get(const char *key) { const char *env = getenv(key); if (env != NULL) { return env_var_t(str2wcstring(env)); } else { const wcstring wkey = str2wcstring(key); return env_universal_common_get(wkey); } }
/// The cd builtin. Changes the current directory to the one specified or to $HOME if none is /// specified. The directory can be relative to any directory in the CDPATH variable. /// The cd builtin. Changes the current directory to the one specified or to $HOME if none is /// specified. The directory can be relative to any directory in the CDPATH variable. int builtin_cd(parser_t &parser, io_streams_t &streams, wchar_t **argv) { const wchar_t *cmd = argv[0]; int argc = builtin_count_args(argv); help_only_cmd_opts_t opts; int optind; int retval = parse_help_only_cmd_opts(opts, &optind, argc, argv, parser, streams); if (retval != STATUS_CMD_OK) return retval; if (opts.print_help) { builtin_print_help(parser, streams, cmd, streams.out); return STATUS_CMD_OK; } env_var_t dir_in; wcstring dir; if (argv[optind]) { dir_in = env_var_t(L"", argv[optind]); // unamed var } else { auto maybe_dir_in = env_get(L"HOME"); if (maybe_dir_in.missing_or_empty()) { streams.err.append_format(_(L"%ls: Could not find home directory\n"), cmd); return STATUS_CMD_ERROR; } dir_in = std::move(*maybe_dir_in); } if (!path_get_cdpath(dir_in, &dir)) { if (errno == ENOTDIR) { streams.err.append_format(_(L"%ls: '%ls' is not a directory\n"), cmd, dir_in.as_string().c_str()); } else if (errno == ENOENT) { streams.err.append_format(_(L"%ls: The directory '%ls' does not exist\n"), cmd, dir_in.as_string().c_str()); } else if (errno == EROTTEN) { streams.err.append_format(_(L"%ls: '%ls' is a rotten symlink\n"), cmd, dir_in.as_string().c_str()); } else { streams.err.append_format(_(L"%ls: Unknown error trying to locate directory '%ls'\n"), cmd, dir_in.as_string().c_str()); } if (!shell_is_interactive()) streams.err.append(parser.current_line()); return STATUS_CMD_ERROR; } if (wchdir(dir) != 0) { struct stat buffer; int status; status = wstat(dir, &buffer); if (!status && S_ISDIR(buffer.st_mode)) { streams.err.append_format(_(L"%ls: Permission denied: '%ls'\n"), cmd, dir.c_str()); } else { streams.err.append_format(_(L"%ls: '%ls' is not a directory\n"), cmd, dir.c_str()); } if (!shell_is_interactive()) { streams.err.append(parser.current_line()); } return STATUS_CMD_ERROR; } if (!env_set_pwd()) { streams.err.append_format(_(L"%ls: Could not set PWD variable\n"), cmd); return STATUS_CMD_ERROR; } return STATUS_CMD_OK; }