Рефакторинг кода: дедупликация ucode, исправления shellcheck и глобальное улучшение install.sh

.gitignore

@@ -4,6 +4,7 @@ fe-app-tachyon/node_modules
 fe-app-tachyon/.yarn/
 fe-app-tachyon/.env
 .DS_Store
+shellcheck-v0.10.0/
 AGENTS.md
 
 sandbox/

build.sh

@@ -747,6 +747,7 @@ build_apk_package() {
     sudo chown "$(id -u):$(id -g)" "$output_file"
     sudo rm -rf "$temp_root" "$temp_scripts"
   elif have_unshare_root; then
+    # shellcheck disable=SC2048,SC2086
     unshare -r sh -c "
       chown -R 0:0 '$temp_root' '$temp_scripts'
       '$apk_bin' mkpkg \
@@ -761,7 +762,7 @@ build_apk_package() {
         -I 'maintainer:${maintainer}' \
         -I 'url:${PROJECT_URL}' \
         -I 'depends:${depends}' \
-        '${extra_args[@]}' \
+        ${extra_args[*]} \
         -s pre-install:'$temp_scripts/${script_prefix}-pre-install.sh' \
         -s post-install:'$temp_scripts/${script_prefix}-post-install.sh' \
         -s pre-deinstall:'$temp_scripts/${script_prefix}-pre-deinstall.sh' \
@@ -770,6 +771,7 @@ build_apk_package() {
     "
   else
     stderr_file="$(mktemp)"
+    # shellcheck disable=SC2048,SC2086
     if ! fakeroot sh -c "
       chown -R 0:0 '$temp_root' '$temp_scripts'
       '$apk_bin' mkpkg \
@@ -784,7 +786,7 @@ build_apk_package() {
         -I 'maintainer:${maintainer}' \
         -I 'url:${PROJECT_URL}' \
         -I 'depends:${depends}' \
-        '${extra_args[@]}' \
+        ${extra_args[*]} \
         -s pre-install:'$temp_scripts/${script_prefix}-pre-install.sh' \
         -s post-install:'$temp_scripts/${script_prefix}-post-install.sh' \
         -s pre-deinstall:'$temp_scripts/${script_prefix}-pre-deinstall.sh' \

install.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 # shellcheck shell=dash
 
+INSTALLER_VERSION="2.0.0"
+
 REPO_OWNER="Dushnilin"
 REPO_NAME="tachyon"
 
@@ -12,6 +14,9 @@ DOWNLOAD_TIMEOUT_SECONDS=600
 PKG_IS_APK=0
 FETCHER=""
 TMP_DIR=""
+LOCK_FILE="/tmp/tachyon.install.lock"
+LOG_FILE="/tmp/tachyon-install.log"
+START_TIME=""
 TACHYON_WAS_ENABLED=0
 TACHYON_WAS_RUNNING=0
 TACHYON_LEGACY_DETECTED=0
@@ -20,6 +25,12 @@ TACHYON_I18N_REQUESTED=0
 INSTALLER_LANG="en"
 SING_BOX_INSTALL_VARIANT=""
 
+# Runtime flags (see parse_args)
+ASSUME_YES=0
+DRY_RUN=0
+VERBOSE=0
+QUIET=0
+
 TACHYON_RELEASE_JSON=""
 TACHYON_RELEASE_TAG=""
 TACHYON_BACKEND_URL=""
@@ -39,22 +50,51 @@ LEGACY_CONFIG_BACKUP=""
 
 command -v apk >/dev/null 2>&1 && PKG_IS_APK=1
 
+log_line() {
+    # Append a timestamped line to the log file, best-effort (never fatal).
+    [ -n "$LOG_FILE" ] || return 0
+    printf '[%s] %s\n' "$(date '+%Y-%m-%d %H:%M:%S' 2>/dev/null || echo '----------------')" "$1" >>"$LOG_FILE" 2>/dev/null || true
+}
+
 msg() {
+    log_line "INFO  $1"
+    [ "$QUIET" -eq 1 ] && return 0
     printf '\033[32;1m%s\033[0m\n' "$1"
 }
 
 warn() {
-    printf '\033[33;1m%s\033[0m\n' "$1"
+    log_line "WARN  $1"
+    printf '\033[33;1m%s\033[0m\n' "$1" >&2
 }
 
 fail() {
+    log_line "FAIL  $1"
     printf '\033[31;1m%s\033[0m\n' "$1" >&2
+    printf '\033[31;1m%s\033[0m\n' "See $LOG_FILE for details." >&2
     exit 1
 }
 
+debug() {
+    log_line "DEBUG $1"
+    [ "$VERBOSE" -eq 1 ] || return 0
+    printf '\033[36m[debug] %s\033[0m\n' "$1"
+}
+
+step() {
+    # Announce a top-level installation stage, numbered for clarity.
+    step_no="$1"
+    step_total="$2"
+    step_text="$3"
+    log_line "STEP  [$step_no/$step_total] $step_text"
+    [ "$QUIET" -eq 1 ] && return 0
+    printf '\033[34;1m[%s/%s]\033[0m \033[1m%s\033[0m\n' "$step_no" "$step_total" "$step_text"
+}
+
 usage() {
     cat <<EOF
-Usage: $0
+Tachyon installer v${INSTALLER_VERSION}
+
+Usage: $0 [options]
 
 Installs or updates Tachyon packages:
   - tachyon
@@ -64,6 +104,17 @@ Installs or updates Tachyon packages:
 Can also install or switch sing-box variant:
   - stable sing-box from OpenWrt feeds
   - sing-box-extended from GitHub OpenWrt packages (for xHTTP support)
+
+Options:
+  -y, --yes          Assume "yes"/default answer for every interactive prompt
+  -n, --dry-run       Resolve versions and show planned actions, but don't
+                      download, install, remove, or modify anything on disk
+  -v, --verbose       Print extra diagnostic detail while installing
+  -q, --quiet         Suppress informational output (errors/warnings still show)
+      --version       Print the installer version and exit
+  -h, --help          Show this help text and exit
+
+Log file: $LOG_FILE
 EOF
 }
 
@@ -74,16 +125,57 @@ parse_args() {
                 usage
                 exit 0
                 ;;
+            --version)
+                printf 'tachyon-installer %s\n' "$INSTALLER_VERSION"
+                exit 0
+                ;;
+            -y|--yes)
+                ASSUME_YES=1
+                ;;
+            -n|--dry-run)
+                DRY_RUN=1
+                ;;
+            -v|--verbose)
+                VERBOSE=1
+                ;;
+            -q|--quiet)
+                QUIET=1
+                ;;
             *)
-                fail "Unknown installer option: $1"
+                fail "Unknown installer option: $1 (see --help)"
                 ;;
         esac
         shift
     done
+
+    if [ "$VERBOSE" -eq 1 ] && [ "$QUIET" -eq 1 ]; then
+        fail "--verbose and --quiet cannot be used together"
+    fi
+}
+
+acquire_lock() {
+    # Guard against two copies of the installer running at once, which could
+    # corrupt package state or UCI config. Stale locks (dead PID) are reclaimed.
+    if [ -f "$LOCK_FILE" ]; then
+        existing_pid="$(cat "$LOCK_FILE" 2>/dev/null || true)"
+        if [ -n "$existing_pid" ] && kill -0 "$existing_pid" 2>/dev/null; then
+            fail "Another instance of the installer appears to be running (pid $existing_pid). Remove $LOCK_FILE if this is incorrect."
+        fi
+        debug "Removing stale lock file from pid $existing_pid"
+        rm -f "$LOCK_FILE"
+    fi
+    printf '%s' "$$" >"$LOCK_FILE" 2>/dev/null || true
+}
+
+release_lock() {
+    [ -f "$LOCK_FILE" ] || return 0
+    lock_pid="$(cat "$LOCK_FILE" 2>/dev/null || true)"
+    [ "$lock_pid" = "$$" ] && rm -f "$LOCK_FILE"
 }
 
 cleanup() {
     [ -n "$TMP_DIR" ] && rm -rf "$TMP_DIR"
+    release_lock
 }
 
 read_openwrt_release_value() {
@@ -617,7 +709,7 @@ function installer_confirm_remove_https_dns_proxy() {
 
     warn("Detected conflicting package: https-dns-proxy\n");
 
-    if (run("[ ! -t 0 ]")) {
+    if (truthy(env("TACHYON_INSTALLER_ASSUME_YES", "0")) || run("[ ! -t 0 ]")) {
         warn("Remove the conflicting https-dns-proxy package and continue?: 1 (yes, non-interactive)\n");
         return true;
     }
@@ -1111,6 +1203,7 @@ install_json_ucode() {
     TACHYON_INSTALLER_LEGACY_BRAND="$LEGACY_BRAND" \
     TACHYON_INSTALLER_LEGACY_BACKEND="$LEGACY_BACKEND_PACKAGE" \
     TACHYON_INSTALLER_LEGACY_CONFIG_ALT="$LEGACY_CONFIG_PACKAGE_ALT" \
+    TACHYON_INSTALLER_ASSUME_YES="$ASSUME_YES" \
         ucode "$(install_json_helper_path)" "$@"
 }
 
@@ -1170,6 +1263,11 @@ pkg_is_installed() {
 }
 
 pkg_list_update() {
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would update package lists ($([ "$PKG_IS_APK" -eq 1 ] && echo apk || echo opkg))"
+        return 0
+    fi
+
     if [ "$PKG_IS_APK" -eq 1 ]; then
         apk update </dev/null
     else
@@ -1180,6 +1278,11 @@ pkg_list_update() {
 pkg_install_name() {
     pkg_name="$1"
 
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would install package: $pkg_name"
+        return 0
+    fi
+
     if [ "$PKG_IS_APK" -eq 1 ]; then
         apk add "$pkg_name" </dev/null
     else
@@ -1188,6 +1291,11 @@ pkg_install_name() {
 }
 
 pkg_install_files() {
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would install downloaded package file(s): $*"
+        return 0
+    fi
+
     if [ "$PKG_IS_APK" -eq 1 ]; then
         apk add --allow-untrusted "$@" </dev/null
     else
@@ -1361,7 +1469,7 @@ numbered_yes_no_prompt() {
     prompt_text="$1"
     answer=""
 
-    if [ ! -t 0 ]; then
+    if [ "$ASSUME_YES" -eq 1 ] || [ ! -t 0 ]; then
         msg "$prompt_text: 1 ($(installer_text yes), non-interactive)"
         return 0
     fi
@@ -1502,7 +1610,7 @@ select_sing_box_installation() {
         return 0
     fi
 
-    if [ ! -t 0 ]; then
+    if [ "$ASSUME_YES" -eq 1 ] || [ ! -t 0 ]; then
         SING_BOX_INSTALL_VARIANT="stable"
         msg "$(installer_text sing_box_prompt): $default_choice ($(installer_text sing_box_stable), non-interactive)"
         return 0
@@ -1552,6 +1660,11 @@ install_selected_sing_box() {
             ;;
     esac
 
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would install sing-box variant: $SING_BOX_INSTALL_VARIANT"
+        return 0
+    fi
+
     [ -x /usr/bin/tachyon ] || fail "tachyon backend must be installed before sing-box component action"
     msg "Installing selected sing-box variant through Tachyon ucode backend"
     if ! /usr/bin/tachyon component_action sing_box "$action" >"$output_file" 2>&1; then
@@ -1561,6 +1674,11 @@ install_selected_sing_box() {
 }
 
 cleanup_legacy_installation() {
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would stop/disable and remove legacy or conflicting packages"
+        return 0
+    fi
+
     state_file="$TMP_DIR/install-state.env"
 
     install_json_ucode installer-cleanup-legacy >"$state_file" ||
@@ -1655,6 +1773,11 @@ download_tachyon_packages() {
     TACHYON_I18N_FILE=""
     TACHYON_SHA256_FILE="$TMP_DIR/sha256sums.txt"
 
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would download and verify: $TACHYON_BACKEND_NAME, $TACHYON_APP_NAME${TACHYON_I18N_REQUESTED:+$([ "$TACHYON_I18N_REQUESTED" -eq 1 ] && printf ', luci-i18n-tachyon-ru package')}"
+        return 0
+    fi
+
     download_with_retry "$TACHYON_SHA256_URL" "$TACHYON_SHA256_FILE" "sha256sums.txt" || fail "Failed to download sha256sums.txt"
 
     download_with_retry "$TACHYON_BACKEND_URL" "$TACHYON_BACKEND_FILE" "$TACHYON_BACKEND_NAME" || fail "Failed to download $TACHYON_BACKEND_NAME"
@@ -1692,6 +1815,11 @@ install_backend_package() {
 migrate_legacy_configuration() {
     [ "$TACHYON_LEGACY_DETECTED" -eq 1 ] || return 0
 
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would migrate the legacy configuration to Tachyon"
+        return 0
+    fi
+
     if [ -n "$LEGACY_CONFIG_BACKUP" ]; then
         cp "$LEGACY_CONFIG_BACKUP" /etc/config/tachyon ||
             fail "Failed to restore the legacy configuration for migration"
@@ -1727,21 +1855,37 @@ install_ui_packages() {
 }
 
 post_install() {
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "[dry-run] would run post-install cleanup and (re)start the Tachyon service"
+        return 0
+    fi
+
     TACHYON_WAS_ENABLED="$TACHYON_WAS_ENABLED" TACHYON_WAS_RUNNING="$TACHYON_WAS_RUNNING" \
         install_json_ucode installer-post-install ||
         fail "Failed to complete Tachyon post-install actions"
 }
 
+TOTAL_STEPS=10
+
 main() {
     trap cleanup EXIT HUP INT TERM
 
     parse_args "$@"
+    START_TIME="$(date +%s 2>/dev/null || echo 0)"
+    : >"$LOG_FILE" 2>/dev/null || true
+    log_line "Tachyon installer v${INSTALLER_VERSION} starting (args: $*)"
+
+    acquire_lock
     check_root
     init_tmp_dir
     detect_fetcher
     check_system
 
-    msg "Updating package lists..."
+    if [ "$DRY_RUN" -eq 1 ]; then
+        warn "Dry-run mode: no packages, files, or configuration will be changed."
+    fi
+
+    step 1 "$TOTAL_STEPS" "Updating package lists"
     pkg_list_update || fail "Failed to update package lists"
     ensure_bootstrap_ucode_runtime
 
@@ -1753,32 +1897,49 @@ main() {
 
     msg "$(installer_text install_start)"
 
-    msg "$(installer_text resolving_release)"
+    step 2 "$TOTAL_STEPS" "$(installer_text resolving_release)"
     resolve_tachyon_release
+    debug "Resolved release tag: $TACHYON_RELEASE_TAG"
 
-    msg "$(installer_text downloading_packages)"
+    step 3 "$TOTAL_STEPS" "$(installer_text downloading_packages)"
     download_tachyon_packages
 
-    msg "$(installer_text cleaning_legacy)"
+    step 4 "$TOTAL_STEPS" "$(installer_text cleaning_legacy)"
     cleanup_legacy_installation
 
-    msg "$(installer_text installing_backend)"
+    step 5 "$TOTAL_STEPS" "$(installer_text installing_backend)"
     install_backend_package
 
-    msg "$(installer_text migrating_config)"
+    step 6 "$TOTAL_STEPS" "$(installer_text migrating_config)"
     migrate_legacy_configuration
 
-    msg "$(installer_text installing_ui)"
+    step 7 "$TOTAL_STEPS" "$(installer_text installing_ui)"
     install_ui_packages
 
-    msg "$(installer_text installing_singbox)"
+    step 8 "$TOTAL_STEPS" "$(installer_text installing_singbox)"
     install_selected_sing_box
 
-    msg "$(installer_text running_postinstall)"
+    step 9 "$TOTAL_STEPS" "$(installer_text running_postinstall)"
     post_install
 
-    msg "Tachyon $TACHYON_PACKAGE_VERSION has been installed successfully"
+    step 10 "$TOTAL_STEPS" "Done"
+    print_summary
+}
+
+print_summary() {
+    end_time="$(date +%s 2>/dev/null || echo 0)"
+    elapsed=$((end_time - START_TIME))
+    [ "$elapsed" -ge 0 ] 2>/dev/null || elapsed=0
+
+    printf '\n'
+    if [ "$DRY_RUN" -eq 1 ]; then
+        msg "Dry run complete in ${elapsed}s — no changes were made."
+    else
+        msg "Tachyon $TACHYON_PACKAGE_VERSION has been installed successfully (${elapsed}s)"
+    fi
     msg "Source release: ${REPO_OWNER}/${REPO_NAME}@${TACHYON_RELEASE_TAG}"
+    [ "$TACHYON_LEGACY_DETECTED" -eq 1 ] && msg "Legacy installation migrated and removed."
+    msg "Full log: $LOG_FILE"
     warn "Open LuCI and review your rules before enabling Tachyon"
 }
 

tachyon/files/usr/lib/components/action.uc

@@ -27,17 +27,20 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let command_output_from_args = common.command_output_from_args;
+let command_exists = common.command_exists;
+let command_from_args = common.command_from_args;
+let write_json = common.write_json;
+let command_output = common.command_output;
+
+
 function arg_bool(value) {
     value = lc(as_string(value));
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
 function command_env(assignments) {
     let parts = [];
@@ -46,42 +49,15 @@ function command_env(assignments) {
     return join(" ", parts);
 }
 
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status("(" + command + ") >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return command_success(command_from_args(args));
-}
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
 
-function command_exists(name) {
-    return command_success_from_args([ "command", "-v", name ]);
-}
-
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function write_file(path, value) {
     return fs.writefile(as_string(path), as_string(value)) != null;

tachyon/files/usr/lib/components/updater.uc

@@ -2,45 +2,20 @@
 
 let fs = require("fs");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let write_json = common.write_json;
+let read_json_file = common.read_json_file;
+let object_or_empty = common.object_or_empty;
+let read_stdin = common.read_stdin;
+let array_or_empty = common.array_or_empty;
+let read_stdin_json = common.read_stdin_json;
+
 
-function read_json_file(path) {
-    let data = fs.readfile(path);
-    if (data == null)
-        return null;
 
-    try {
-        return json(data);
-    }
-    catch (e) {
-        return null;
-    }
-}
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
-function read_stdin_json() {
-    let data = read_stdin();
-    try {
-        return json(data);
-    }
-    catch (e) {
-        return null;
-    }
-}
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function stdin_contains_ci(needle) {
     needle = lc(as_string(needle));
@@ -84,13 +59,7 @@ function object_get_default(key, fallback) {
         print(as_string(fallback), "\n");
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function str_contains(haystack, needle) {
     return index(as_string(haystack), as_string(needle)) >= 0;

tachyon/files/usr/lib/components/updates.uc

@@ -55,6 +55,18 @@ const SB_SERVICE_MIXED_INBOUND_PORT = getenv("SB_SERVICE_MIXED_INBOUND_PORT") ||
 const SB_VARIANT_STATE_FILE = getenv("SB_VARIANT_STATE_FILE") || "/etc/tachyon/sing-box-variant";
 const GITHUB_RAW_URL = getenv("GITHUB_RAW_URL") || "https://raw.githubusercontent.com/itdoginfo/allow-domains/main";
 const BUILTIN_SUBNET_URLS = {
+
+let option = common.option;
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let bool_option = common.bool_option;
+let command_output_from_args = common.command_output_from_args;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
     twitter: getenv("SUBNETS_TWITTER") || GITHUB_RAW_URL + "/Subnets/IPv4/twitter.lst",
     meta: getenv("SUBNETS_META") || GITHUB_RAW_URL + "/Subnets/IPv4/meta.lst",
     discord: getenv("SUBNETS_DISCORD") || GITHUB_RAW_URL + "/Subnets/IPv4/discord.lst",
@@ -88,14 +100,6 @@ let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 let read_stdin = common.read_stdin;
 
-function command_from_args(args) {
-    let parts = [];
-
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-
-    return join(" ", parts);
-}
 
 function command_env(assignments) {
     let parts = [];
@@ -106,18 +110,6 @@ function command_env(assignments) {
     return join(" ", parts);
 }
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
-
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-
-    return as_string(data);
-}
 
 function file_md5(path) {
     path = as_string(path);
@@ -128,22 +120,12 @@ function file_md5(path) {
     return length(fields) > 0 ? as_string(fields[0]) : "";
 }
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
 
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function now_seconds() {
     return int(clock()[0]);
@@ -160,9 +142,6 @@ function log_message(message, level) {
 
 
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function json_text(value) {
     return sprintf("%J", value) + "\n";
@@ -226,9 +205,6 @@ function arg_number(value) {
     return int(value);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
 function text_first_chars(value, max_chars) {
     value = as_string(value);
@@ -252,26 +228,8 @@ function file_last_nonblank_line_value(path, fallback, max_chars) {
     return text_first_chars(result, max_chars);
 }
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
 
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
-
-function bool_option(section, key, fallback) {
-    let value = object_or_empty(section)[key];
-    return value == null ? !!fallback : arg_bool(value);
-}
 
 function section_name(section) {
     return as_string(object_or_empty(section)[".name"]);

tachyon/files/usr/lib/config/domain.uc

@@ -9,9 +9,10 @@ const PUNYCODE_INITIAL_BIAS = 72;
 const PUNYCODE_INITIAL_N = 128;
 const PUNYCODE_DELIMITER = "-";
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+
+
 
 function ascii_lower(value) {
     let upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

tachyon/files/usr/lib/config/migration.uc

@@ -36,6 +36,9 @@ const APPLIED_MIGRATIONS_OPTION = "applied_migrations";
 const SERVER_COUNTRY_METHOD_FLAG_EMOJI = "flag_emoji";
 const SERVER_COUNTRY_METHOD_COUNTRY_IS = "country_is";
 const CHILD_ITEM_TYPES = [
+
+let command_output = common.command_output;
+
     "subscription_url",
     "section_interface",
     "urltest"
@@ -43,18 +46,6 @@ const CHILD_ITEM_TYPES = [
 
 
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
-
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-
-    return replace(as_string(data), /[\r\n]+$/g, "");
-}
 
 function run(command) {
     return system(command) == 0;

tachyon/files/usr/lib/config/rule.uc

@@ -3,9 +3,10 @@
 let ip = require("core.ip");
 let domain_config = require("config.domain");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+
+
 
 function strip_list_comment(line) {
     line = replace(as_string(line), /[[:space:]]*\/\/.*$/, "");

tachyon/files/usr/lib/config/validator.uc

@@ -34,6 +34,10 @@ let command_output_from_args = common.command_output_from_args;
 let command_trimmed_output_from_args = common.command_trimmed_output_from_args;
 let command_exists = common.command_exists;
 
+let object_or_empty = common.object_or_empty;
+let array_or_empty = common.array_or_empty;
+
+
 function string_starts_with(value, prefix) {
     value = as_string(value);
     prefix = as_string(prefix);
@@ -73,13 +77,7 @@ function list_has_value(values, needle) {
     return false;
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function contains(values, needle) {
     for (let value in array_or_empty(values))

tachyon/files/usr/lib/core/ip.uc

@@ -1,8 +1,9 @@
 #!/usr/bin/env ucode
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+
+
 
 function str_last_index(value, needle) {
     value = as_string(value);

tachyon/files/usr/lib/core/packages.uc

@@ -6,32 +6,17 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let command_exists = common.command_exists;
-    let parts = [];
+let command_from_args = common.command_from_args;
-    for (let arg in args)
+let command_output = common.command_output;
-        push(parts, shell_quote(arg));
+
-    return join(" ", parts);
+
-}
 
 function command_success(args) {
     return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
 }
 
-function command_output(args) {
-    let pipe = fs.popen(command_from_args(args), "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
-
-function command_exists(name) {
-    return command_success([ "command", "-v", name ]);
-}
 
 function apk_installed(package_name) {
     return command_exists("apk") && command_success([ "apk", "info", "-e", as_string(package_name) ]);

tachyon/files/usr/lib/diagnostics/runtime.uc

@@ -64,6 +64,21 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
+let option = common.option;
+let list_option = common.list_option;
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let bool_option = common.bool_option;
+let read_stdin = common.read_stdin;
+let command_output_from_args = common.command_output_from_args;
+let command_exists = common.command_exists;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
+
 function arg_number(value) {
     value = as_string(value);
     return value == "" || match(value, /[^0-9-]/) != null ? 0 : int(value, 10);
@@ -74,21 +89,12 @@ function arg_bool(value) {
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
 function normalize_status(status) {
     status = int(status);
     return status > 255 ? int(status / 256) : status;
 }
 
-function command_status(command) {
-    return normalize_status(system(command));
-}
 
 function command_capture(command) {
     let pipe = fs.popen(command, "r");
@@ -100,26 +106,13 @@ function command_capture(command) {
     return { status, output: data == null ? "" : as_string(data) };
 }
 
-function command_output(command) {
-    let result = command_capture(command);
-    return result.status == 0 ? result.output : "";
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args) + " 2>/dev/null");
-}
 
-function command_success_from_args(args) {
-    return command_success(command_from_args(args));
-}
 
-function command_exists(name) {
-    return command_success_from_args([ "command", "-v", as_string(name) ]);
-}
 
 function module_args(module_path, args) {
     let result = [ "ucode", "-L", LIB_DIR, module_path ];
@@ -187,18 +180,7 @@ function status_success(args, input) {
     return status_capture(args, input).status == 0;
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : as_string(data);
-}
 
 
 
@@ -211,37 +193,10 @@ function parse_json_or_null(value) {
     }
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return as_string(fallback);
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
-function list_option(section, key) {
-    let value = object_or_empty(section)[key];
-    if (type(value) == "array")
-        return value;
-    if (as_string(value) != "")
-        return [ as_string(value) ];
-    return [];
-}
 
-function bool_option(section, key, fallback) {
-    return arg_bool(option(section, key, fallback ? "1" : "0"));
-}
 
 function settings() {
     return object_or_empty(uci_core.get_all(CONFIG_NAME, "settings"));

tachyon/files/usr/lib/diagnostics/status.uc

@@ -3,9 +3,17 @@
 let fs = require("fs");
 let core_ip = require("core.ip");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let write_json = common.write_json;
+let read_json_file = common.read_json_file;
+let write_json_file = common.write_json_file;
+let object_or_empty = common.object_or_empty;
+let read_stdin = common.read_stdin;
+let array_or_empty = common.array_or_empty;
+let read_stdin_json = common.read_stdin_json;
+
+
 
 function url_encode(value) {
     value = as_string(value);
@@ -23,45 +31,14 @@ function url_encode(value) {
     print("\n");
 }
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
-function read_stdin_json() {
-    try {
-        return json(read_stdin());
-    }
-    catch (e) {
-        return null;
-    }
-}
 
 function proxy_response_is_retryable_error() {
     let response = read_stdin();
     return index(response, "<html") == 0 || index(response, "403 Forbidden") >= 0;
 }
 
-function read_json_file(path) {
-    let data = fs.readfile(path);
-    if (data == null)
-        return null;
 
-    try {
-        return json(data);
-    }
-    catch (e) {
-        return null;
-    }
-}
-
-function write_json_file(path, value) {
-    return fs.writefile(path, sprintf("%J", value) + "\n");
-}
 
 function parse_json_object(value) {
     try {
@@ -605,13 +582,7 @@ function object_value(object, key) {
     return type(object) == "object" && object[key] != null ? as_string(object[key]) : "";
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function str_startswith(value, prefix) {
     value = as_string(value);
@@ -942,9 +913,6 @@ function print_line(value) {
     print(value, "\n");
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function stdin_json() {
     let value = read_stdin_json();

tachyon/files/usr/lib/nft/apply.uc

@@ -15,26 +15,23 @@ let list_option = common.list_option;
 let bool_option = common.bool_option;
 let as_string = common.as_string;
 
+let write_compact_string_array = common.write_compact_string_array;
+let run_args = common.run_args;
+let read_stdin = common.read_stdin;
+let command_output_from_args = common.command_output_from_args;
+let csv_to_json_array = common.csv_to_json_array;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let option = common.option;
+
+
 function arg_bool(value) {
     value = lc(as_string(value));
     return value == "1" || value == "true" || value == "yes";
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
-
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
 function uci_section(section_name) {
     return object_or_empty(uci_core.get_all(CONFIG_NAME, section_name));
@@ -48,28 +45,8 @@ function uci_settings() {
     return uci_section("settings");
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
-function write_compact_string_array(values) {
-    print("[");
-    for (let i = 0; i < length(values); i++) {
-        if (i > 0)
-            print(",");
-        print(sprintf("%J", as_string(values[i])));
-    }
-    print("]\n");
-}
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
 function write_text_file(path, text) {
     let result = fs.writefile(path, as_string(text));
@@ -98,35 +75,12 @@ function unlink_file(path) {
 
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
-    let parts = [];
 
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-
-    return join(" ", parts);
-}
-
-function run_args(args) {
-    return system(command_from_args(args)) == 0;
-}
 
 function run_args_quiet(args) {
     return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
 }
 
-function command_output_from_args(args) {
-    let pipe = fs.popen(command_from_args(args), "r");
-    if (!pipe)
-        return "";
-
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-
-    return as_string(data);
-}
 
 function log_debug(message) {
     run_args([ "logger", "-t", "tachyon", "[debug] " + as_string(message) ]);
@@ -175,15 +129,6 @@ function text_list_to_csv(value, separator_mode) {
     print_csv(text_list_values(value, separator_mode));
 }
 
-function csv_to_json_array(value) {
-    value = as_string(value);
-    if (value == "") {
-        print("[]\n");
-        return;
-    }
-
-    write_compact_string_array(split(value, ","));
-}
 
 function csv_list_contains(value, needle) {
     needle = as_string(needle);

tachyon/files/usr/lib/providers/byedpi/runtime.uc

@@ -25,84 +25,43 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
+let option = common.option;
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let bool_option = common.bool_option;
+let command_output_from_args = common.command_output_from_args;
+let command_exists = common.command_exists;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
+
 function bool_value(value) {
     value = lc(as_string(value));
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
-
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
-function command_exists(name) {
-    return command_success_from_args([ "command", "-v", name ]);
-}
 
 function log_message(message, level) {
     level = as_string(level || "info");
     command_success_from_args([ "logger", "-t", "tachyon", "[" + level + "] " + as_string(message) ]);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
 
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
-
-function bool_option(section, key, fallback) {
-    let value = object_or_empty(section)[key];
-    return value == null ? !!fallback : bool_value(value);
-}
 
 function section_name(section) {
     return as_string(object_or_empty(section)[".name"]);

tachyon/files/usr/lib/providers/byedpi/validator.uc

@@ -1,17 +1,16 @@
 #!/usr/bin/env ucode
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let write_json = common.write_json;
+
+
 
 function bool_arg(value) {
     value = as_string(value);
     return value == "1" || value == "true";
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function normalize_strategy_whitespace(value) {
     value = replace(as_string(value), /[\t\r\n]/g, " ");

tachyon/files/usr/lib/providers/nfqueue/check.uc

@@ -2,14 +2,12 @@
 
 let fs = require("fs");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let read_stdin = common.read_stdin;
+
+
 
-function read_stdin() {
-    let data = fs.readfile("/dev/stdin");
-    return data == null ? "" : data;
-}
 
 function strip_trailing_cr(line) {
     line = as_string(line);

tachyon/files/usr/lib/providers/nfqueue/runtime.uc

@@ -15,54 +15,34 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
+let option = common.option;
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let bool_option = common.bool_option;
+let command_output_from_args = common.command_output_from_args;
+let command_exists = common.command_exists;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
+
 function bool_value(value) {
     value = lc(as_string(value));
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
-
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
-function command_exists(name) {
-    return command_success_from_args([ "command", "-v", name ]);
-}
 
 function module_command(args) {
     let command_args = [ "ucode", "-L", LIB_DIR ];
@@ -80,30 +60,9 @@ function log_message(message, level) {
     command_success_from_args([ "logger", "-t", "tachyon", "[" + level + "] " + as_string(message) ]);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
 
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
-
-function bool_option(section, key, fallback) {
-    let value = object_or_empty(section)[key];
-    return value == null ? !!fallback : bool_value(value);
-}
 
 function section_name(section) {
     return as_string(object_or_empty(section)[".name"]);

tachyon/files/usr/lib/providers/nfqueue/validator.uc

@@ -1,12 +1,11 @@
 #!/usr/bin/env ucode
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let write_json = common.write_json;
+
+
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function normalize_strategy_whitespace(value) {
     value = replace(as_string(value), /[\t\r\n]/g, " ");

tachyon/files/usr/lib/providers/rules.uc

@@ -5,18 +5,12 @@ let uci_core = require("core.uci");
 
 const CONFIG_NAME = getenv("TACHYON_CONFIG_NAME") || "tachyon";
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let read_stdin = common.read_stdin;
+
+
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
 function hex_digit_value(value) {
     let pos = index("0123456789abcdef", lc(as_string(value)));

tachyon/files/usr/lib/providers/status.uc

@@ -2,9 +2,14 @@
 
 let fs = require("fs");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let write_json = common.write_json;
+let read_json_file = common.read_json_file;
+let read_stdin = common.read_stdin;
+let array_or_empty = common.array_or_empty;
+
+
 
 function int_arg(value) {
     value = as_string(value);
@@ -16,35 +21,9 @@ function bool_arg(value) {
     return value == "1" || value == "true";
 }
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
-function read_json_file(path) {
-    let data = fs.readfile(path);
-    if (data == null)
-        return null;
 
-    try {
-        return json(data);
-    }
-    catch (e) {
-        return null;
-    }
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
-
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function first_field(line) {
     let fields = split(trim(as_string(line)), /[ \t\r\n]+/);

tachyon/files/usr/lib/routing/rulesets.uc

@@ -4,9 +4,14 @@ let fs = require("fs");
 let ip = require("core.ip");
 let domain_config = require("config.domain");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+let read_json_file = common.read_json_file;
+let write_json_file = common.write_json_file;
+let object_or_empty = common.object_or_empty;
+let array_or_empty = common.array_or_empty;
+
+
 
 function json_decode_text(text) {
     try {
@@ -17,10 +22,6 @@ function json_decode_text(text) {
     }
 }
 
-function read_json_file(path) {
-    let data = fs.readfile(path);
-    return data == null ? null : json_decode_text(data);
-}
 
 function write_text_file(path, text) {
     let result = fs.writefile(path, text);
@@ -31,13 +32,7 @@ function write_text_file(path, text) {
     return true;
 }
 
-function write_json_file(path, value) {
-    return write_text_file(path, sprintf("%J", value) + "\n");
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function array_from_value(value) {
     if (value == null)
@@ -47,9 +42,6 @@ function array_from_value(value) {
     return [ value ];
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
 function trim_string(value) {
     let text = as_string(value);

tachyon/files/usr/lib/server/service.uc

@@ -12,6 +12,12 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
+let read_stdin = common.read_stdin;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let read_stdin_json = common.read_stdin_json;
+
+
 function ascii_lower(value) {
     let upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
     let lower = "abcdefghijklmnopqrstuvwxyz";
@@ -20,9 +26,6 @@ function ascii_lower(value) {
     });
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function run(command) {
     return system(command) == 0;
@@ -105,23 +108,7 @@ function server_set_option(section, option, value) {
 
 
 
-function read_stdin() {
-    let input = fs.open("/dev/stdin", "r");
-    if (!input)
-        return "";
-    let data = input.read("all");
-    input.close();
-    return data == null ? "" : data;
-}
 
-function read_stdin_json() {
-    try {
-        return json(read_stdin());
-    }
-    catch (e) {
-        return null;
-    }
-}
 
 function stdin_first_nonempty_line() {
     for (let line in split(read_stdin(), "\n")) {
@@ -143,9 +130,6 @@ function shell_single_quote(value) {
     print("'", replace(value, /'/g, "'\\''"), "'\n");
 }
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function array_append_string(value) {
     let result = array_or_empty(read_stdin_json());

tachyon/files/usr/lib/service/initd.uc

@@ -8,6 +8,15 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
+let option = common.option;
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let command_output_from_args = common.command_output_from_args;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let command_output = common.command_output;
+
+
 function constant_value(name, fallback) {
     let value = constants[name];
     return value == null ? as_string(fallback) : as_string(value);
@@ -38,21 +47,12 @@ function shell_assignment(name, value) {
     print(as_string(name), "=", shell_quote(value), "\n");
 }
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
 function normalize_status(status) {
     status = int(status);
     return status > 255 ? int(status / 256) : status;
 }
 
-function command_status(command) {
-    return normalize_status(system(command));
-}
 
 function command_capture(command) {
     let pipe = fs.popen(command, "r");
@@ -64,18 +64,8 @@ function command_capture(command) {
     return { status, output: data == null ? "" : as_string(data) };
 }
 
-function command_output(command) {
-    let result = command_capture(command);
-    return result.status == 0 ? result.output : "";
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args) + " 2>/dev/null");
-}
 
-function command_success_from_args(args) {
-    return command_status(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function command_status_from_args(args) {
     return command_status(command_from_args(args));
@@ -118,20 +108,7 @@ function bool_text(value) {
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return as_string(fallback);
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
 function file_exists(path) {
     return fs.stat(as_string(path)) != null;

tachyon/files/usr/lib/service/lifecycle.uc

@@ -9,6 +9,16 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
+let command_status = common.command_status;
+let command_success_from_args = common.command_success_from_args;
+let command_output_from_args = common.command_output_from_args;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
+
 function constant_value(name, fallback) {
     let value = constants[name];
     return value == null ? as_string(fallback) : as_string(value);
@@ -124,21 +134,12 @@ let startup_config_fingerprint = "";
 
 
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
 function normalize_status(status) {
     status = int(status);
     return status > 255 ? int(status / 256) : status;
 }
 
-function command_status(command) {
-    return normalize_status(system(command));
-}
 
 function command_capture(command) {
     let pipe = fs.popen(command, "r");
@@ -150,16 +151,9 @@ function command_capture(command) {
     return { status, output: data == null ? "" : as_string(data) };
 }
 
-function command_output(command) {
-    let result = command_capture(command);
-    return result.status == 0 ? result.output : "";
-}
 
 
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
@@ -169,13 +163,7 @@ function command_status_from_args(args) {
     return command_status(command_from_args(args));
 }
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args) + " 2>/dev/null");
-}
 
-function command_success_from_args(args) {
-    return command_status(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function external_config_fingerprint() {
     let data = fs.readfile(CONFIG_FILE);
@@ -208,13 +196,7 @@ function bool_text(value) {
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function string_array_contains(values, needle) {
     needle = as_string(needle);

tachyon/files/usr/lib/service/package.uc

@@ -7,6 +7,10 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
+let command_success_from_args = common.command_success_from_args;
+let command_from_args = common.command_from_args;
+
+
 function env(name, fallback) {
     let value = getenv(name);
     return value == null ? as_string(fallback) : as_string(value);
@@ -23,21 +27,12 @@ const SING_BOX_CRONET = env("TACHYON_SING_BOX_CRONET", "/usr/lib/libcronet.so");
 const SING_BOX_MANAGED_MARKER = env("SB_MANAGED_SERVICE_MARKER", "Tachyon managed sing-box service for binary variants");
 const PACKAGE_TEST_MODE = env("TACHYON_PACKAGE_TEST_MODE", "") != "";
 
-function command_from_args(args) {
-    let parts = [];
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
 function normalize_status(status) {
     status = int(status);
     return status > 255 ? int(status / 256) : status;
 }
 
-function command_success_from_args(args) {
-    return normalize_status(system(command_from_args(args) + " >/dev/null 2>&1")) == 0;
-}
 
 function path_exists(path) {
     return fs.stat(as_string(path)) != null;

tachyon/files/usr/lib/service/reload.uc

@@ -2,9 +2,10 @@
 
 let fs = require("fs");
 
-function as_string(value) {
+let common = require("core.common");
-    return value == null ? "" : "" + value;
+let as_string = common.as_string;
-}
+
+
 
 function arg_bool(value) {
     return value === true || value == "true" || value == "1" || value == 1;

tachyon/files/usr/lib/service/state.uc

@@ -20,24 +20,19 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
-function read_stdin() {
+let list_option = common.list_option;
-    let input = fs.open("/dev/stdin", "r");
+let command_success_from_args = common.command_success_from_args;
-    if (!input)
+let bool_option = common.bool_option;
-        return "";
+let command_output_from_args = common.command_output_from_args;
-    let data = input.read("all");
+let command_from_args = common.command_from_args;
-    input.close();
+let command_trimmed_output_from_args = common.command_trimmed_output_from_args;
-    return data == null ? "" : data;
+let object_or_empty = common.object_or_empty;
-}
+let read_stdin = common.read_stdin;
+let read_stdin_json = common.read_stdin_json;
+let option = common.option;
+
+
 
-function read_stdin_json() {
-    let data = read_stdin();
-    try {
-        return json(data);
-    }
-    catch (e) {
-        return null;
-    }
-}
 
 function write_text_file(path, text) {
     let result = fs.writefile(path, as_string(text));
@@ -56,35 +51,9 @@ function unlink_file(path) {
     }
 }
 
-function command_from_args(args) {
-    let parts = [];
 
-    for (let arg in args)
-        push(parts, shell_quote(arg));
 
-    return join(" ", parts);
-}
 
-function command_output_from_args(args) {
-    let pipe = fs.popen(command_from_args(args), "r");
-    if (!pipe)
-        return "";
-
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-
-    return as_string(data);
-}
-
-function command_trimmed_output_from_args(args) {
-    return replace(command_output_from_args(args), /[\r\n]+$/g, "");
-}
-
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function uci_get(path) {
     return uci_core.get(path);
@@ -94,9 +63,6 @@ function uci_exists(path) {
     return uci_core.exists(path);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
 function file_first_line(path) {
     let data = fs.readfile(path);
@@ -578,34 +544,8 @@ function arg_bool(value) {
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
 
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
-function list_option(section, key, fallback) {
-    let value = object_or_empty(section)[key];
-    if (type(value) == "array")
-        return value;
-
-    value = trim(as_string(value));
-    if (value != "")
-        return split(value, /[ \t\r\n]+/);
-
-    fallback = as_string(fallback);
-    return fallback == "" ? [] : [ fallback ];
-}
-
-function bool_option(section, key, fallback) {
-    return arg_bool(option(section, key, fallback ? "1" : "0"));
-}
 
 function bool_value(value) {
     return arg_bool(value) ? "1" : "0";

tachyon/files/usr/lib/service/telegram.uc

@@ -12,21 +12,13 @@ const OFFSET_FILE = "/var/run/tachyon_telegram_offset";
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let command_status = common.command_status;
-    let result = [];
+let command_success_from_args = common.command_success_from_args;
-    for (let arg in args)
+let command_from_args = common.command_from_args;
-        push(result, shell_quote(arg));
+
-    return join(" ", result);
+ 
-}
  
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
  
-function command_success_from_args(args) {
-    return command_status(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
  
 function command_capture(command) {
     let pipe = fs.popen(command, "r");

tachyon/files/usr/lib/service/ui.uc

@@ -39,14 +39,16 @@ let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 let read_json_file = common.read_json_file;
 
-function read_stdin() {
+let write_json = common.write_json;
-    let input = fs.open("/dev/stdin", "r");
+let command_status = common.command_status;
-    if (!input)
+let command_success_from_args = common.command_success_from_args;
-        return "";
+let command_output_from_args = common.command_output_from_args;
-    let data = input.read("all");
+let command_from_args = common.command_from_args;
-    input.close();
+let object_or_empty = common.object_or_empty;
-    return data == null ? "" : data;
+let read_stdin = common.read_stdin;
-}
+let command_output = common.command_output;
+
+
 
 function parse_json_or_null(value) {
     try {
@@ -57,22 +59,11 @@ function parse_json_or_null(value) {
     }
 }
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function json_text(value) {
     return sprintf("%J", value) + "\n";
 }
 
-function command_from_args(args) {
-    let parts = [];
-
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-
-    return join(" ", parts);
-}
 
 function command_env(assignments) {
     let parts = [];
@@ -83,35 +74,13 @@ function command_env(assignments) {
     return join(" ", parts);
 }
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
 
-    return as_string(data);
-}
-
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
-
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return command_success(command_from_args(args));
-}
 
 function module_success(module_path, args) {
     let command_args = [ "ucode", "-L", LIB_DIR, module_path ];
@@ -201,9 +170,6 @@ function unsigned_number(value) {
     return int(value);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
 function path_basename(path) {
     let parts = split(as_string(path), "/");

tachyon/files/usr/lib/singbox/constants.uc

@@ -37,6 +37,10 @@ const BYEDPI_LISTEN_ADDRESS = "127.0.0.1";
 const BYEDPI_PORT_BASE = 1080;
 
 const RESERVED_TAGS = {
+
+let common = require("core.common");
+let as_string = common.as_string;
+
     [DNS_SERVER_TAG]: true,
     [FAKEIP_DNS_SERVER_TAG]: true,
     [BOOTSTRAP_DNS_SERVER_TAG]: true,
@@ -51,9 +55,6 @@ const RESERVED_TAGS = {
     [BYPASS_OUTBOUND_TAG]: true
 };
 
-function as_string(value) {
-    return value == null ? "" : "" + value;
-}
 
 function tag(base, postfix) {
     let candidate = as_string(base) + "-" + as_string(postfix);

tachyon/files/usr/lib/singbox/country.uc

@@ -12,24 +12,11 @@ const COUNTRY_IS_BATCH_SIZE = 100;
 
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let command_output_from_args = common.command_output_from_args;
-    let parts = [];
+let command_from_args = common.command_from_args;
-    for (let arg in args)
+
-        push(parts, shell_quote(arg));
-    return join(" ", parts);
-}
 
-function command_output_from_args(args) {
-    let pipe = fs.popen(command_from_args(args) + " 2>/dev/null", "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
 function remove_file(path) {
     if (as_string(path) != "")

tachyon/files/usr/lib/singbox/dns_failover.uc

@@ -18,30 +18,15 @@ const CHECK_DOMAIN = "example.com";
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let command_status = common.command_status;
-    let result = [];
+let command_success_from_args = common.command_success_from_args;
-    for (let arg in args)
+let command_output_from_args = common.command_output_from_args;
-        push(result, shell_quote(arg));
+let command_from_args = common.command_from_args;
-    return join(" ", result);
+
-}
+
 
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
-function command_success_from_args(args) {
-    return command_status(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
-function command_output_from_args(args) {
-    let pipe = fs.popen(command_from_args(args), "r");
-    if (!pipe)
-        return "";
-    let data = pipe.read("all");
-    let status = pipe.close();
-    return status == 0 && data != null ? as_string(data) : "";
-}
 
 function settings() {
     return common.object_or_empty(uci_core.get_all(CONFIG_NAME, "settings"));

tachyon/files/usr/lib/singbox/priority.uc

@@ -18,37 +18,17 @@ const DIAGNOSTICS_UC = getenv("TACHYON_DIAGNOSTICS_UC") || LIB_DIR + "/diagnosti
 
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let command_status = common.command_status;
-    let parts = [];
+let command_success_from_args = common.command_success_from_args;
-    for (let arg in args)
+let command_output_from_args = common.command_output_from_args;
-        push(parts, shell_quote(arg));
+let command_from_args = common.command_from_args;
-    return join(" ", parts);
+let command_output = common.command_output;
-}
+
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
 
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
-function command_success_from_args(args) {
-    return command_status(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function ensure_dir(path) {
     return command_success_from_args([ "mkdir", "-p", path ]);

tachyon/files/usr/lib/singbox/route.uc

@@ -7,9 +7,9 @@ let runtime_constants = require("singbox.constants");
 let option = common.option;
 let bool_option = common.bool_option;
 
-function as_string(value) {
+let as_string = common.as_string;
-    return value == null ? "" : "" + value;
+
-}
+
 
 function bool_value(value) {
     return value === true || value == "1" || value == "true" || value == "yes" || value == "on";

tachyon/files/usr/lib/singbox/rulesets.uc

@@ -6,6 +6,10 @@ const SRS_SUPERCELL_URL = "https://raw.githubusercontent.com/ushan0v/sing-box-su
 const SRS_GITHUB_URL = "https://raw.githubusercontent.com/MetaCubeX/meta-rules-dat/sing/geo/geosite/github.srs";
 
 const COMMUNITY_SERVICES = {
+
+let common = require("core.common");
+let as_string = common.as_string;
+
     russia_inside: true,
     russia_outside: true,
     ukraine_inside: true,
@@ -35,9 +39,6 @@ const COMMUNITY_SERVICES = {
     github: true
 };
 
-function as_string(value) {
-    return value == null ? "" : "" + value;
-}
 
 function is_community(name) {
     return COMMUNITY_SERVICES[as_string(name)] === true;

tachyon/files/usr/lib/singbox/runtime.uc

@@ -41,12 +41,18 @@ const SB_MANAGED_SERVICE_MARKER = getenv("SB_MANAGED_SERVICE_MARKER") || "Tachyo
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
-function command_from_args(args) {
+let option = common.option;
-    let parts = [];
+let command_status = common.command_status;
-    for (let arg in args)
+let command_success_from_args = common.command_success_from_args;
-        push(parts, shell_quote(arg));
+let bool_option = common.bool_option;
-    return join(" ", parts);
+let command_output_from_args = common.command_output_from_args;
-}
+let command_exists = common.command_exists;
+let command_from_args = common.command_from_args;
+let object_or_empty = common.object_or_empty;
+let array_or_empty = common.array_or_empty;
+let command_output = common.command_output;
+
+
 
 function command_env(assignments) {
     let parts = [];
@@ -55,38 +61,14 @@ function command_env(assignments) {
     return join(" ", parts);
 }
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
-    return as_string(data);
-}
 
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
-
-function command_status(command) {
-    let status = int(system(command));
-    return status > 255 ? int(status / 256) : status;
-}
 
 function command_success(command) {
     return command_status(command + " >/dev/null 2>&1") == 0;
 }
 
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
-function command_exists(name) {
-    return command_success_from_args([ "command", "-v", name ]);
-}
 
 function write_file(path, value) {
     return fs.writefile(as_string(path), as_string(value)) != null;
@@ -114,35 +96,14 @@ function file_first_line(path) {
     return trim(newline >= 0 ? substr(data, 0, newline) : data);
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
-
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
 function arg_bool(value) {
     value = lc(as_string(value));
     return value == "true" || value == "1" || value == "yes" || value == "on";
 }
 
-function bool_option(section, key, fallback) {
-    let value = object_or_empty(section)[key];
-    return value == null ? !!fallback : arg_bool(value);
-}
 
 function whitespace_items(value) {
     let result = [];

tachyon/files/usr/lib/subscription/cache.uc

@@ -35,10 +35,20 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
-function read_stdin() {
+let command_output = common.command_output;
-    let data = fs.readfile("/dev/stdin");
+let write_json = common.write_json;
-    return data == null ? "" : data;
+let list_option = common.list_option;
-}
+let command_success_from_args = common.command_success_from_args;
+let bool_option = common.bool_option;
+let command_output_from_args = common.command_output_from_args;
+let command_from_args = common.command_from_args;
+let object_key_count = common.object_key_count;
+let object_or_empty = common.object_or_empty;
+let read_stdin = common.read_stdin;
+let array_or_empty = common.array_or_empty;
+let option = common.option;
+
+
 
 function read_json(path) {
     if (path == null || path == "" || path == "-")
@@ -60,9 +70,6 @@ function write_file(path, value) {
     return fs.writefile(path, value) != null;
 }
 
-function write_json(path, value) {
-    return write_file(path, sprintf("%J", value) + "\n");
-}
 
 function write_stdout_json(value) {
     print(sprintf("%J", value), "\n");
@@ -131,21 +138,7 @@ function append_state_list_once(list, value) {
     print(list, list != "" ? " " : "", value, "\n");
 }
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
-function option(section, key, fallback) {
-    if (fallback == null)
-        fallback = "";
-
-    let value = object_or_empty(section)[key];
-    if (value == null)
-        return fallback;
-    if (type(value) == "array")
-        return join(" ", value);
-    return as_string(value);
-}
 
 function bool_value(value, fallback) {
     if (value == null)
@@ -155,9 +148,6 @@ function bool_value(value, fallback) {
     return value == "1" || value == "true" || value == "yes" || value == "on";
 }
 
-function bool_option(section, key, fallback) {
-    return bool_value(object_or_empty(section)[key], fallback);
-}
 
 function unsigned_number(value) {
     value = as_string(value);
@@ -533,14 +523,6 @@ function files_equal(left, right) {
 
 
 
-function command_from_args(args) {
-    let parts = [];
-
-    for (let arg in args)
-        push(parts, shell_quote(arg));
-
-    return join(" ", parts);
-}
 
 function command_env(assignments) {
     let parts = [];
@@ -562,26 +544,8 @@ function command_args_with(base, extra) {
     return result;
 }
 
-function command_output(command) {
-    let pipe = fs.popen(command, "r");
-    if (!pipe)
-        return "";
 
-    let data = pipe.read("all");
-    let status = pipe.close();
-    if (status != 0 || data == null)
-        return "";
 
-    return as_string(data);
-}
-
-function command_output_from_args(args) {
-    return command_output(command_from_args(args));
-}
-
-function command_success_from_args(args) {
-    return system(command_from_args(args) + " >/dev/null 2>&1") == 0;
-}
 
 function command_status_from_args(args) {
     let status = int(system(command_from_args(args)));
@@ -821,14 +785,6 @@ function uci_named_section(section_name_value) {
     return object_or_empty(uci_core.get_all(CONFIG_NAME, section_name_value));
 }
 
-function list_option(section, key) {
-    let value = object_or_empty(section)[key];
-    if (type(value) == "array")
-        return value;
-    if (as_string(value) != "")
-        return [ as_string(value) ];
-    return [];
-}
 
 function find_section(sections, name) {
     name = as_string(name);
@@ -1020,9 +976,6 @@ function is_array(value) {
     return type(value) == "array";
 }
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
 function int_or_zero(value) {
     value = as_string(value);
@@ -1067,9 +1020,6 @@ function log_subscription_source_summary(section_name_value, source_index, norma
     log_message(subscription_source_summary(section_name_value, source_index, normalized_path, result), "info");
 }
 
-function object_key_count(value) {
-    return type(value) == "object" ? length(keys(value)) : 0;
-}
 
 function valid_metadata_object(value) {
     return type(value) == "object" && object_key_count(value) > 1;

tachyon/files/usr/lib/subscription/parser.uc

@@ -6,6 +6,13 @@ let common = require("core.common");
 let as_string = common.as_string;
 let shell_quote = common.shell_quote;
 
+let read_json_file = common.read_json_file;
+let write_json_file = common.write_json_file;
+let object_or_empty = common.object_or_empty;
+let write_json = common.write_json;
+let array_or_empty = common.array_or_empty;
+
+
 function trim(value) {
     value = as_string(value);
     let start = 0;
@@ -287,23 +294,13 @@ function read_file(path) {
     return fs.readfile(path);
 }
 
-function read_json_file(path) {
-    let data = read_file(path);
-    return data == null ? null : json_decode_text(data);
-}
 
 function validate_subscription(path) {
     let value = read_json_file(path);
     return type(value) == "object" && type(value.outbounds) == "array" && length(value.outbounds) > 0;
 }
 
-function write_json_file(path, value) {
-    return fs.writefile(path, sprintf("%J", value) + "\n");
-}
 
-function write_json(value) {
-    print(sprintf("%J", value), "\n");
-}
 
 function canonical_runtime_value(value) {
     if (type(value) == "array") {
@@ -350,13 +347,7 @@ function runtime_outbounds_equal(left_path, right_path) {
     return sprintf("%J", left) == sprintf("%J", right);
 }
 
-function array_or_empty(value) {
-    return type(value) == "array" ? value : [];
-}
 
-function object_or_empty(value) {
-    return type(value) == "object" ? value : {};
-}
 
 function base64_decode(value) {
     value = as_string(value);