Merge pull request #1959 from alebastr/gcc-13

2023-01-23 09:18:13 +01:00 · 2023-01-23 09:18:13 +01:00 · 69b95e6d71
parent 5e2895ccb3 51b6c22cab
commit 69b95e6d71
53 changed files with 461 additions and 322 deletions
--- a/.github/workflows/freebsd.yml
+++ b/.github/workflows/freebsd.yml
@ -9,7 +9,7 @@ jobs:
    # https://github.com/actions/virtual-environments/issues/4060 - for lack of VirtualBox on MacOS 11 runners
    runs-on: macos-12
    steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
    - name: Test in FreeBSD VM
      uses: vmactions/freebsd-vm@v0
      with:
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -6,7 +6,7 @@ jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
    - uses: DoozyX/clang-format-lint-action@v0.13
      with:
        source: '.'
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@ -13,16 +13,20 @@ jobs:
          - fedora
          - opensuse
          - gentoo
+        cpp_std: [c++17]
+        include:
+          - distro: fedora
+            cpp_std: c++20

    runs-on: ubuntu-latest
    container:
      image: alexays/waybar:${{ matrix.distro }}

    steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
      - name: configure
-        run: meson -Dman-pages=enabled build
+        run: meson -Dman-pages=enabled -Dcpp_std=${{matrix.cpp_std}} build
      - name: build
        run: ninja -C build
      - name: test
-        run: meson test -C build --no-rebuild --print-errorlogs --suite waybar
+        run: meson test -C build --no-rebuild --verbose --suite waybar
--- a/Dockerfiles/archlinux
+++ b/Dockerfiles/archlinux
@ -3,4 +3,5 @@
 FROM archlinux:base-devel

 RUN pacman -Syu --noconfirm && \
-    pacman -S --noconfirm git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection libxkbcommon playerctl
+    pacman -S --noconfirm git meson base-devel libinput wayland wayland-protocols pixman libxkbcommon mesa gtkmm3 jsoncpp pugixml scdoc libpulse libdbusmenu-gtk3 libmpdclient gobject-introspection libxkbcommon playerctl && \
+    sed -Ei 's/#(en_(US|GB)\.UTF)/\1/' /etc/locale.gen && locale-gen
--- a/Dockerfiles/fedora
+++ b/Dockerfiles/fedora
@ -2,12 +2,33 @@

 FROM fedora:latest

-RUN dnf install -y @c-development git-core meson scdoc 'pkgconfig(date)' \
-    'pkgconfig(dbusmenu-gtk3-0.4)' 'pkgconfig(fmt)' 'pkgconfig(gdk-pixbuf-2.0)' \
-    'pkgconfig(gio-unix-2.0)' 'pkgconfig(gtk-layer-shell-0)' 'pkgconfig(gtkmm-3.0)' \
-    'pkgconfig(jsoncpp)' 'pkgconfig(libinput)' 'pkgconfig(libmpdclient)' \
-    'pkgconfig(libnl-3.0)' 'pkgconfig(libnl-genl-3.0)' 'pkgconfig(libpulse)' \
-    'pkgconfig(libudev)' 'pkgconfig(pugixml)' 'pkgconfig(sigc++-2.0)' 'pkgconfig(spdlog)' \
-    'pkgconfig(wayland-client)' 'pkgconfig(wayland-cursor)' 'pkgconfig(wayland-protocols)' 'pkgconfig(xkbregistry)' \
-    'pkgconfig(playerctl)' && \
+RUN dnf install -y @c-development \
+    git-core glibc-langpack-en meson scdoc \
+    'pkgconfig(catch2)' \
+    'pkgconfig(date)' \
+    'pkgconfig(dbusmenu-gtk3-0.4)' \
+    'pkgconfig(fmt)' \
+    'pkgconfig(gdk-pixbuf-2.0)' \
+    'pkgconfig(gio-unix-2.0)' \
+    'pkgconfig(gtk-layer-shell-0)' \
+    'pkgconfig(gtkmm-3.0)' \
+    'pkgconfig(jack)' \
+    'pkgconfig(jsoncpp)' \
+    'pkgconfig(libevdev)' \
+    'pkgconfig(libinput)' \
+    'pkgconfig(libmpdclient)' \
+    'pkgconfig(libnl-3.0)' \
+    'pkgconfig(libnl-genl-3.0)' \
+    'pkgconfig(libpulse)' \
+    'pkgconfig(libudev)' \
+    'pkgconfig(playerctl)' \
+    'pkgconfig(pugixml)' \
+    'pkgconfig(sigc++-2.0)' \
+    'pkgconfig(spdlog)' \
+    'pkgconfig(upower-glib)' \
+    'pkgconfig(wayland-client)' \
+    'pkgconfig(wayland-cursor)' \
+    'pkgconfig(wayland-protocols)' \
+    'pkgconfig(wireplumber-0.4)' \
+    'pkgconfig(xkbregistry)' && \
    dnf clean all -y
--- a/include/factory.hpp
+++ b/include/factory.hpp
@ -1,7 +1,7 @@
 #pragma once

 #include <json/json.h>
-#ifdef HAVE_LIBDATE
+#if defined(HAVE_CHRONO_TIMEZONES) || defined(HAVE_LIBDATE)
 #include "modules/clock.hpp"
 #else
 #include "modules/simpleclock.hpp"
--- a/include/modules/clock.hpp
+++ b/include/modules/clock.hpp
@ -1,15 +1,10 @@
 #pragma once

-#include <date/tz.h>
-
 #include "ALabel.hpp"
+#include "util/date.hpp"
 #include "util/sleeper_thread.hpp"

-namespace waybar {
-
-struct waybar_time;
-
-namespace modules {
+namespace waybar::modules {

 const std::string kCalendarPlaceholder = "calendar";
 const std::string KTimezonedTimeListPlaceholder = "timezoned_time_list";
@ -36,12 +31,11 @@ class Clock : public ALabel {
  std::string fmt_str_weeks_;
  std::string fmt_str_calendar_;
  int fmt_weeks_left_pad_{0};
-  auto calendar_text(const waybar_time& wtime) -> std::string;
+  auto calendar_text(const date::zoned_seconds& ztime) -> std::string;
  auto weekdays_header(const date::weekday& first_dow, std::ostream& os) -> void;
  auto first_day_of_week() -> date::weekday;
  const date::time_zone* current_timezone();
  bool is_timezone_fixed();
  auto timezones_text(std::chrono::system_clock::time_point* now) -> std::string;
 };
-}  // namespace modules
-}  // namespace waybar
+}  // namespace waybar::modules
--- a/include/modules/sway/ipc/client.hpp
+++ b/include/modules/sway/ipc/client.hpp
@ -8,6 +8,7 @@
 #include <cstring>
 #include <memory>
 #include <mutex>
+#include <string>

 #include "ipc.hpp"
 #include "util/sleeper_thread.hpp"
--- a/include/modules/sway/workspaces.hpp
+++ b/include/modules/sway/workspaces.hpp
@ -4,6 +4,7 @@
 #include <gtkmm/button.h>
 #include <gtkmm/label.h>

+#include <string_view>
 #include <unordered_map>

 #include "AModule.hpp"
@ -21,7 +22,9 @@ class Workspaces : public AModule, public sigc::trackable {
  auto update() -> void;

 private:
-  static inline const std::string workspace_switch_cmd_ = "workspace {} \"{}\"";
+  static constexpr std::string_view workspace_switch_cmd_ = "workspace {} \"{}\"";
+  static constexpr std::string_view persistent_workspace_switch_cmd_ =
+      R"(workspace {} "{}"; move workspace to output "{}"; workspace {} "{}")";

  static int convertWorkspaceNameToNum(std::string name);

--- a/include/util/date.hpp
+++ b/include/util/date.hpp
@ -0,0 +1,60 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#if HAVE_CHRONO_TIMEZONES
+#include <chrono>
+#include <format>
+
+/* Compatibility layer for <date/tz.h> on top of C++20 <chrono> */
+namespace date {
+
+using namespace std::chrono;
+
+namespace literals {
+using std::chrono::last;
+}
+
+inline auto format(const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat("{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+inline auto format(const std::locale& loc, const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat(loc, "{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+}  // namespace date
+
+#else
+#include <date/tz.h>
+#endif
+
+template <typename Duration, typename TimeZonePtr>
+struct fmt::formatter<date::zoned_time<Duration, TimeZonePtr>> {
+  std::string_view specs;
+
+  template <typename ParseContext>
+  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    auto it = ctx.begin();
+    if (it != ctx.end() && *it == ':') {
+      ++it;
+    }
+    auto end = it;
+    while (end != ctx.end() && *end != '}') {
+      ++end;
+    }
+    if (end != it) {
+      specs = {it, std::string_view::size_type(end - it)};
+    }
+    return end;
+  }
+
+  template <typename FormatContext>
+  auto format(const date::zoned_time<Duration, TimeZonePtr>& ztime, FormatContext& ctx) {
+    if (ctx.locale()) {
+      const auto loc = ctx.locale().template get<std::locale>();
+      return fmt::format_to(ctx.out(), "{}", date::format(loc, fmt::to_string(specs), ztime));
+    }
+    return fmt::format_to(ctx.out(), "{}", date::format(fmt::to_string(specs), ztime));
+  }
+};
--- a/include/util/format.hpp
+++ b/include/util/format.hpp
@ -66,9 +66,9 @@ struct formatter<pow_format> {
    std::string string;
    switch (spec) {
      case '>':
-        return format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
      case '<':
-        return format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
      case '=':
        format = "{coefficient:<{number_width}.1f}{padding}{prefix}{unit}";
        break;
@ -77,8 +77,8 @@ struct formatter<pow_format> {
        format = "{coefficient:.1f}{prefix}{unit}";
        break;
    }
-    return format_to(
-        ctx.out(), format, fmt::arg("coefficient", fraction),
+    return fmt::format_to(
+        ctx.out(), fmt::runtime(format), fmt::arg("coefficient", fraction),
        fmt::arg("number_width", number_width),
        fmt::arg("prefix", std::string() + units[pow] + ((s.binary_ && pow) ? "i" : "")),
        fmt::arg("unit", s.unit_),
--- a/include/util/waybar_time.hpp
+++ b/include/util/waybar_time.hpp
@ -1,39 +0,0 @@
-#pragma once
-
-#include <date/tz.h>
-#include <fmt/format.h>
-
-namespace waybar {
-
-struct waybar_time {
-  std::locale locale;
-  date::zoned_seconds ztime;
-};
-
-}  // namespace waybar
-
-template <>
-struct fmt::formatter<waybar::waybar_time> {
-  std::string_view specs;
-
-  template <typename ParseContext>
-  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    auto it = ctx.begin();
-    if (it != ctx.end() && *it == ':') {
-      ++it;
-    }
-    auto end = it;
-    while (end != ctx.end() && *end != '}') {
-      ++end;
-    }
-    if (end != it) {
-      specs = {it, std::string_view::size_type(end - it)};
-    }
-    return end;
-  }
-
-  template <typename FormatContext>
-  auto format(const waybar::waybar_time& t, FormatContext& ctx) {
-    return format_to(ctx.out(), "{}", date::format(t.locale, fmt::to_string(specs), t.ztime));
-  }
-};
--- a/meson.build
+++ b/meson.build
@ -123,11 +123,18 @@ gtk_layer_shell = dependency('gtk-layer-shell-0',
        required: get_option('gtk-layer-shell'),
        fallback : ['gtk-layer-shell', 'gtk_layer_shell_dep'])
 systemd = dependency('systemd', required: get_option('systemd'))
-tz_dep = dependency('date',
-    required: false,
-    default_options : [ 'use_system_tzdb=true' ],
-    modules : [ 'date::date', 'date::date-tz' ],
-    fallback: [ 'date', 'tz_dep' ])
+
+cpp_lib_chrono = compiler.compute_int('__cpp_lib_chrono', prefix : '#include <chrono>')
+have_chrono_timezones = cpp_lib_chrono >= 201907
+if have_chrono_timezones
+  tz_dep = declare_dependency()
+else
+  tz_dep = dependency('date',
+      required: false,
+      default_options : [ 'use_system_tzdb=true' ],
+      modules : [ 'date::date', 'date::date-tz' ],
+      fallback: [ 'date', 'tz_dep' ])
+endif

 prefix = get_option('prefix')
 sysconfdir = get_option('sysconfdir')
@ -312,7 +319,10 @@ if get_option('rfkill').enabled() and is_linux
    )
 endif

-if tz_dep.found()
+if have_chrono_timezones
+    add_project_arguments('-DHAVE_CHRONO_TIMEZONES', language: 'cpp')
+    src_files += 'src/modules/clock.cpp'
+elif tz_dep.found()
    add_project_arguments('-DHAVE_LIBDATE', language: 'cpp')
    src_files += 'src/modules/clock.cpp'
 else
@ -448,7 +458,7 @@ endif

 catch2 = dependency(
    'catch2',
-    version: '>=3.0.0',
+    version: '>=2.0.0',
    fallback: ['catch2', 'catch2_dep'],
    required: get_option('tests'),
 )
--- a/src/modules/backlight.cpp
+++ b/src/modules/backlight.cpp
@ -48,13 +48,13 @@ struct UdevMonitorDeleter {

 void check_eq(int rc, int expected, const char *message = "eq, rc was: ") {
  if (rc != expected) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

 void check_neq(int rc, int bad_rc, const char *message = "neq, rc was: ") {
  if (rc == bad_rc) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

@ -62,7 +62,7 @@ void check0(int rc, const char *message = "rc wasn't 0") { check_eq(rc, 0, messa

 void check_gte(int rc, int gte, const char *message = "rc was: ") {
  if (rc < gte) {
-    throw std::runtime_error(fmt::format(message, rc));
+    throw std::runtime_error(fmt::format(fmt::runtime(message), rc));
  }
 }

@ -181,7 +181,8 @@ auto waybar::modules::Backlight::update() -> void {
      event_box_.show();
      const uint8_t percent =
          best->get_max() == 0 ? 100 : round(best->get_actual() * 100.0f / best->get_max());
-      label_.set_markup(fmt::format(format_, fmt::arg("percent", std::to_string(percent)),
+      label_.set_markup(fmt::format(fmt::runtime(format_),
+                                    fmt::arg("percent", std::to_string(percent)),
                                    fmt::arg("icon", getIcon(percent))));
      getState(percent);
    } else {
--- a/src/modules/battery.cpp
+++ b/src/modules/battery.cpp
@ -604,7 +604,7 @@ const std::string waybar::modules::Battery::formatTimeRemaining(float hoursRemai
    format = config_["format-time"].asString();
  }
  std::string zero_pad_minutes = fmt::format("{:02d}", minutes);
-  return fmt::format(format, fmt::arg("H", full_hours), fmt::arg("M", minutes),
+  return fmt::format(fmt::runtime(format), fmt::arg("H", full_hours), fmt::arg("M", minutes),
                     fmt::arg("m", zero_pad_minutes));
 }

@ -644,7 +644,8 @@ auto waybar::modules::Battery::update() -> void {
    } else if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("timeTo", tooltip_text_default),
+    label_.set_tooltip_text(fmt::format(fmt::runtime(tooltip_format),
+                                        fmt::arg("timeTo", tooltip_text_default),
                                        fmt::arg("power", power), fmt::arg("capacity", capacity),
                                        fmt::arg("time", time_remaining_formatted)));
  }
@ -665,9 +666,9 @@ auto waybar::modules::Battery::update() -> void {
  } else {
    event_box_.show();
    auto icons = std::vector<std::string>{status + "-" + state, status, state};
-    label_.set_markup(fmt::format(format, fmt::arg("capacity", capacity), fmt::arg("power", power),
-                                  fmt::arg("icon", getIcon(capacity, icons)),
-                                  fmt::arg("time", time_remaining_formatted)));
+    label_.set_markup(fmt::format(
+        fmt::runtime(format), fmt::arg("capacity", capacity), fmt::arg("power", power),
+        fmt::arg("icon", getIcon(capacity, icons)), fmt::arg("time", time_remaining_formatted)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/bluetooth.cpp
+++ b/src/modules/bluetooth.cpp
@ -206,7 +206,8 @@ auto waybar::modules::Bluetooth::update() -> void {
  state_ = state;

  label_.set_markup(fmt::format(
-      format_, fmt::arg("status", state_), fmt::arg("num_connections", connected_devices_.size()),
+      fmt::runtime(format_), fmt::arg("status", state_),
+      fmt::arg("num_connections", connected_devices_.size()),
      fmt::arg("controller_address", cur_controller_.address),
      fmt::arg("controller_address_type", cur_controller_.address_type),
      fmt::arg("controller_alias", cur_controller_.alias),
@ -234,7 +235,7 @@ auto waybar::modules::Bluetooth::update() -> void {
            enumerate_format = config_["tooltip-format-enumerate-connected"].asString();
          }
          ss << fmt::format(
-              enumerate_format, fmt::arg("device_address", dev.address),
+              fmt::runtime(enumerate_format), fmt::arg("device_address", dev.address),
              fmt::arg("device_address_type", dev.address_type),
              fmt::arg("device_alias", dev.alias), fmt::arg("icon", enumerate_icon),
              fmt::arg("device_battery_percentage", dev.battery_percentage.value_or(0)));
@ -247,7 +248,7 @@ auto waybar::modules::Bluetooth::update() -> void {
      }
    }
    label_.set_tooltip_text(fmt::format(
-        tooltip_format, fmt::arg("status", state_),
+        fmt::runtime(tooltip_format), fmt::arg("status", state_),
        fmt::arg("num_connections", connected_devices_.size()),
        fmt::arg("controller_address", cur_controller_.address),
        fmt::arg("controller_address_type", cur_controller_.address_type),
--- a/src/modules/clock.cpp
+++ b/src/modules/clock.cpp
@ -10,14 +10,11 @@
 #include <type_traits>

 #include "util/ustring_clen.hpp"
-#include "util/waybar_time.hpp"
 #ifdef HAVE_LANGINFO_1STDAY
 #include <langinfo.h>
 #include <locale.h>
 #endif

-using waybar::waybar_time;
-
 waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
    : ALabel(config, "clock", id, "{:%H:%M}", 60, false, false, true),
      current_time_zone_idx_(0),
@ -41,12 +38,6 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
    time_zones_.push_back(nullptr);
  }

-  if (!is_timezone_fixed()) {
-    spdlog::warn(
-        "As using a timezone, some format args may be missing as the date library haven't got a "
-        "release since 2018.");
-  }
-
  // Check if a particular placeholder is present in the tooltip format, to know what to calculate
  // on update.
  if (config_["tooltip-format"].isString()) {
@ -116,24 +107,22 @@ bool waybar::modules::Clock::is_timezone_fixed() {
 }

 auto waybar::modules::Clock::update() -> void {
-  auto time_zone = current_timezone();
+  const auto* time_zone = current_timezone();
  auto now = std::chrono::system_clock::now();
-  waybar_time wtime = {locale_,
-                       date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now))};
+  auto ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now)};

  auto shifted_date = date::year_month_day{date::floor<date::days>(now)} + calendar_shift_;
  auto now_shifted = date::sys_days{shifted_date} + (now - date::floor<date::days>(now));
-  waybar_time shifted_wtime = {
-      locale_, date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now_shifted))};
+  auto shifted_ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now_shifted)};

  std::string text = "";
  if (!is_timezone_fixed()) {
    // As date dep is not fully compatible, prefer fmt
    tzset();
    auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
-    text = fmt::format(locale_, format_, localtime);
+    text = fmt::format(locale_, fmt::runtime(format_), localtime);
  } else {
-    text = fmt::format(format_, wtime);
+    text = fmt::format(locale_, fmt::runtime(format_), ztime);
  }
  label_.set_markup(text);

@ -142,13 +131,13 @@ auto waybar::modules::Clock::update() -> void {
      std::string calendar_lines{""};
      std::string timezoned_time_lines{""};
      if (is_calendar_in_tooltip_) {
-        calendar_lines = calendar_text(shifted_wtime);
+        calendar_lines = calendar_text(shifted_ztime);
      }
      if (is_timezoned_list_in_tooltip_) {
        timezoned_time_lines = timezones_text(&now);
      }
      auto tooltip_format = config_["tooltip-format"].asString();
-      text = fmt::format(tooltip_format, shifted_wtime,
+      text = fmt::format(locale_, fmt::runtime(tooltip_format), shifted_ztime,
                         fmt::arg(kCalendarPlaceholder.c_str(), calendar_lines),
                         fmt::arg(KTimezonedTimeListPlaceholder.c_str(), timezoned_time_lines));
      label_.set_tooltip_markup(text);
@ -196,8 +185,8 @@ bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {
  return true;
 }

-auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::string {
-  const auto daypoint = date::floor<date::days>(wtime.ztime.get_local_time());
+auto waybar::modules::Clock::calendar_text(const date::zoned_seconds& ztime) -> std::string {
+  const auto daypoint = date::floor<date::days>(ztime.get_local_time());
  const auto ymd{date::year_month_day{daypoint}};

  if (calendar_cached_ymd_ == ymd) {
@ -238,7 +227,7 @@ auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::str

  /* Print weeknumber on the left for the first row*/
  if (weeks_pos == WeeksSide::LEFT) {
-    os << fmt::format(fmt_str_weeks_, print_wd) << ' ';
+    os << fmt::format(fmt::runtime(fmt_str_weeks_), print_wd) << ' ';
  }

  if (empty_days > 0) {
@ -252,7 +241,7 @@ auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::str
      os << ' ';
    } else if (unsigned(d) != 1) {
      if (weeks_pos == WeeksSide::RIGHT) {
-        os << ' ' << fmt::format(fmt_str_weeks_, print_wd);
+        os << ' ' << fmt::format(fmt::runtime(fmt_str_weeks_), print_wd);
      }

      os << '\n';
@ -260,19 +249,19 @@ auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::str
      print_wd = (ym / d);

      if (weeks_pos == WeeksSide::LEFT) {
-        os << fmt::format(fmt_str_weeks_, print_wd) << ' ';
+        os << fmt::format(fmt::runtime(fmt_str_weeks_), print_wd) << ' ';
      }
    }

    if (d == curr_day) {
      if (config_["today-format"].isString()) {
        auto today_format = config_["today-format"].asString();
-        os << fmt::format(today_format, date::format("%e", d));
+        os << fmt::format(fmt::runtime(today_format), date::format("%e", d));
      } else {
        os << "<b><u>" << date::format("%e", d) << "</u></b>";
      }
    } else {
-      os << fmt::format(fmt_str_calendar_, date::format("%e", d));
+      os << fmt::format(fmt::runtime(fmt_str_calendar_), date::format("%e", d));
    }
    /*Print weeks on the right when the endings with spaces*/
    if (weeks_pos == WeeksSide::RIGHT && d == last_day) {
@ -281,7 +270,7 @@ auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::str
        os << std::string(empty_days * 3, ' ');
      }

-      os << ' ' << fmt::format(fmt_str_weeks_, print_wd);
+      os << ' ' << fmt::format(fmt::runtime(fmt_str_weeks_), print_wd);
    }
  }

@ -313,7 +302,8 @@ auto waybar::modules::Clock::weekdays_header(const date::weekday& first_week_day
  res << '\n';

  if (config_["format-calendar-weekdays"].isString()) {
-    os << fmt::format(config_["format-calendar-weekdays"].asString(), res.str());
+    auto weekdays_format = config_["format-calendar-weekdays"].asString();
+    os << fmt::format(fmt::runtime(weekdays_format), res.str());
  } else
    os << res.str();
 }
@ -324,7 +314,6 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
    return "";
  }
  std::stringstream os;
-  waybar_time wtime;
  for (size_t time_zone_idx = 0; time_zone_idx < time_zones_.size(); ++time_zone_idx) {
    if (static_cast<int>(time_zone_idx) == current_time_zone_idx_) {
      continue;
@ -333,8 +322,8 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
    if (!timezone) {
      timezone = date::current_zone();
    }
-    wtime = {locale_, date::make_zoned(timezone, date::floor<std::chrono::seconds>(*now))};
-    os << fmt::format(format_, wtime) << '\n';
+    auto ztime = date::zoned_time{timezone, date::floor<std::chrono::seconds>(*now)};
+    os << fmt::format(locale_, fmt::runtime(format_), ztime) << '\n';
  }
  return os.str();
 }
--- a/src/modules/custom.cpp
+++ b/src/modules/custom.cpp
@ -126,7 +126,7 @@ auto waybar::modules::Custom::update() -> void {
    } else {
      parseOutputRaw();
    }
-    auto str = fmt::format(format_, text_, fmt::arg("alt", alt_),
+    auto str = fmt::format(fmt::runtime(format_), text_, fmt::arg("alt", alt_),
                           fmt::arg("icon", getIcon(percentage_, alt_)),
                           fmt::arg("percentage", percentage_));
    if (str.empty()) {
--- a/src/modules/disk.cpp
+++ b/src/modules/disk.cpp
@ -58,11 +58,11 @@ auto waybar::modules::Disk::update() -> void {
    event_box_.hide();
  } else {
    event_box_.show();
-    label_.set_markup(
-        fmt::format(format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
-                    fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
-                    fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
-                    fmt::arg("total", total), fmt::arg("path", path_)));
+    label_.set_markup(fmt::format(
+        fmt::runtime(format), stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
+        fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks), fmt::arg("used", used),
+        fmt::arg("percentage_used", percentage_used), fmt::arg("total", total),
+        fmt::arg("path", path_)));
  }

  if (tooltipEnabled()) {
@ -70,11 +70,11 @@ auto waybar::modules::Disk::update() -> void {
    if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(
-        fmt::format(tooltip_format, stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
-                    fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks),
-                    fmt::arg("used", used), fmt::arg("percentage_used", percentage_used),
-                    fmt::arg("total", total), fmt::arg("path", path_)));
+    label_.set_tooltip_text(fmt::format(
+        fmt::runtime(tooltip_format), stats.f_bavail * 100 / stats.f_blocks, fmt::arg("free", free),
+        fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks), fmt::arg("used", used),
+        fmt::arg("percentage_used", percentage_used), fmt::arg("total", total),
+        fmt::arg("path", path_)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/gamemode.cpp
+++ b/src/modules/gamemode.cpp
@ -213,14 +213,14 @@ auto Gamemode::update() -> void {

  // Tooltip
  if (tooltip) {
-    std::string text = fmt::format(tooltip_format, fmt::arg("count", gameCount));
+    std::string text = fmt::format(fmt::runtime(tooltip_format), fmt::arg("count", gameCount));
    box_.set_tooltip_text(text);
  }

  // Label format
-  std::string str =
-      fmt::format(showAltText ? format_alt : format, fmt::arg("glyph", useIcon ? "" : glyph),
-                  fmt::arg("count", gameCount > 0 ? std::to_string(gameCount) : ""));
+  std::string str = fmt::format(fmt::runtime(showAltText ? format_alt : format),
+                                fmt::arg("glyph", useIcon ? "" : glyph),
+                                fmt::arg("count", gameCount > 0 ? std::to_string(gameCount) : ""));
  label_.set_markup(str);

  if (useIcon) {
--- a/src/modules/hyprland/language.cpp
+++ b/src/modules/hyprland/language.cpp
@ -59,9 +59,9 @@ void Language::onEvent(const std::string& ev) {

  if (config_.isMember("format-" + briefName)) {
    const auto propName = "format-" + briefName;
-    layoutName = fmt::format(format_, config_[propName].asString());
+    layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
  } else {
-    layoutName = fmt::format(format_, layoutName);
+    layoutName = fmt::format(fmt::runtime(format_), layoutName);
  }

  layoutName = waybar::util::sanitize_string(layoutName);
@ -92,9 +92,9 @@ void Language::initLanguage() {

    if (config_.isMember("format-" + briefName)) {
      const auto propName = "format-" + briefName;
-      layoutName = fmt::format(format_, config_[propName].asString());
+      layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
    } else {
-      layoutName = fmt::format(format_, searcher);
+      layoutName = fmt::format(fmt::runtime(format_), searcher);
    }

    layoutName = waybar::util::sanitize_string(layoutName);
--- a/src/modules/hyprland/submap.cpp
+++ b/src/modules/hyprland/submap.cpp
@ -34,7 +34,7 @@ auto Submap::update() -> void {
  if (submap_.empty()) {
    event_box_.hide();
  } else {
-    label_.set_markup(fmt::format(format_, submap_));
+    label_.set_markup(fmt::format(fmt::runtime(format_), submap_));
    if (tooltipEnabled()) {
      label_.set_tooltip_text(submap_);
    }
--- a/src/modules/hyprland/window.cpp
+++ b/src/modules/hyprland/window.cpp
@ -40,8 +40,8 @@ auto Window::update() -> void {

  if (!format_.empty()) {
    label_.show();
-    label_.set_markup(
-        fmt::format(format_, waybar::util::rewriteTitle(lastView, config_["rewrite"])));
+    label_.set_markup(fmt::format(fmt::runtime(format_),
+                                  waybar::util::rewriteTitle(lastView, config_["rewrite"])));
  } else {
    label_.hide();
  }
--- a/src/modules/idle_inhibitor.cpp
+++ b/src/modules/idle_inhibitor.cpp
@ -63,21 +63,15 @@ auto waybar::modules::IdleInhibitor::update() -> void {
  }

  std::string status_text = status ? "activated" : "deactivated";
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("status", status_text),
                                fmt::arg("icon", getIcon(0, status_text))));
  label_.get_style_context()->add_class(status_text);
  if (tooltipEnabled()) {
-    label_.set_tooltip_markup(
-        status ? fmt::format(config_["tooltip-format-activated"].isString()
-                                 ? config_["tooltip-format-activated"].asString()
-                                 : "{status}",
-                             fmt::arg("status", status_text),
-                             fmt::arg("icon", getIcon(0, status_text)))
-               : fmt::format(config_["tooltip-format-deactivated"].isString()
-                                 ? config_["tooltip-format-deactivated"].asString()
-                                 : "{status}",
-                             fmt::arg("status", status_text),
-                             fmt::arg("icon", getIcon(0, status_text))));
+    auto config = config_[status ? "tooltip-format-activated" : "tooltip-format-deactivated"];
+    auto tooltip_format = config.isString() ? config.asString() : "{status}";
+    label_.set_tooltip_markup(fmt::format(fmt::runtime(tooltip_format),
+                                          fmt::arg("status", status_text),
+                                          fmt::arg("icon", getIcon(0, status_text))));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/inhibitor.cpp
+++ b/src/modules/inhibitor.cpp
@ -118,7 +118,7 @@ auto Inhibitor::update() -> void {
  std::string status_text = activated() ? "activated" : "deactivated";

  label_.get_style_context()->remove_class(activated() ? "deactivated" : "activated");
-  label_.set_markup(fmt::format(format_, fmt::arg("status", status_text),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("status", status_text),
                                fmt::arg("icon", getIcon(0, status_text))));
  label_.get_style_context()->add_class(status_text);

--- a/src/modules/jack.cpp
+++ b/src/modules/jack.cpp
@ -72,7 +72,7 @@ auto JACK::update() -> void {
  } else
    format = "{load}%";

-  label_.set_markup(fmt::format(format, fmt::arg("load", std::round(load_)),
+  label_.set_markup(fmt::format(fmt::runtime(format), fmt::arg("load", std::round(load_)),
                                fmt::arg("bufsize", bufsize_), fmt::arg("samplerate", samplerate_),
                                fmt::arg("latency", fmt::format("{:.2f}", latency)),
                                fmt::arg("xruns", xruns_)));
@ -81,9 +81,9 @@ auto JACK::update() -> void {
    std::string tooltip_format = "{bufsize}/{samplerate} {latency}ms";
    if (config_["tooltip-format"].isString()) tooltip_format = config_["tooltip-format"].asString();
    label_.set_tooltip_text(fmt::format(
-        tooltip_format, fmt::arg("load", std::round(load_)), fmt::arg("bufsize", bufsize_),
-        fmt::arg("samplerate", samplerate_), fmt::arg("latency", fmt::format("{:.2f}", latency)),
-        fmt::arg("xruns", xruns_)));
+        fmt::runtime(tooltip_format), fmt::arg("load", std::round(load_)),
+        fmt::arg("bufsize", bufsize_), fmt::arg("samplerate", samplerate_),
+        fmt::arg("latency", fmt::format("{:.2f}", latency)), fmt::arg("xruns", xruns_)));
  }

  // Call parent update
--- a/src/modules/keyboard_state.cpp
+++ b/src/modules/keyboard_state.cpp
@ -278,7 +278,7 @@ auto waybar::modules::KeyboardState::update() -> void {
  };
  for (auto& label_state : label_states) {
    std::string text;
-    text = fmt::format(label_state.format,
+    text = fmt::format(fmt::runtime(label_state.format),
                       fmt::arg("icon", label_state.state ? icon_locked_ : icon_unlocked_),
                       fmt::arg("name", label_state.name));
    label_state.label.set_markup(text);
--- a/src/modules/memory/common.cpp
+++ b/src/modules/memory/common.cpp
@ -56,7 +56,8 @@ auto waybar::modules::Memory::update() -> void {
      event_box_.show();
      auto icons = std::vector<std::string>{state};
      label_.set_markup(fmt::format(
-          format, used_ram_percentage, fmt::arg("icon", getIcon(used_ram_percentage, icons)),
+          fmt::runtime(format), used_ram_percentage,
+          fmt::arg("icon", getIcon(used_ram_percentage, icons)),
          fmt::arg("total", total_ram_gigabytes), fmt::arg("swapTotal", total_swap_gigabytes),
          fmt::arg("percentage", used_ram_percentage),
          fmt::arg("swapPercentage", used_swap_percentage), fmt::arg("used", used_ram_gigabytes),
@ -68,8 +69,8 @@ auto waybar::modules::Memory::update() -> void {
      if (config_["tooltip-format"].isString()) {
        auto tooltip_format = config_["tooltip-format"].asString();
        label_.set_tooltip_text(fmt::format(
-            tooltip_format, used_ram_percentage, fmt::arg("total", total_ram_gigabytes),
-            fmt::arg("swapTotal", total_swap_gigabytes),
+            fmt::runtime(tooltip_format), used_ram_percentage,
+            fmt::arg("total", total_ram_gigabytes), fmt::arg("swapTotal", total_swap_gigabytes),
            fmt::arg("percentage", used_ram_percentage),
            fmt::arg("swapPercentage", used_swap_percentage), fmt::arg("used", used_ram_gigabytes),
            fmt::arg("swapUsed", used_swap_gigabytes), fmt::arg("avail", available_ram_gigabytes),
--- a/src/modules/mpd/mpd.cpp
+++ b/src/modules/mpd/mpd.cpp
@ -174,14 +174,14 @@ void waybar::modules::MPD::setLabel() {

  try {
    auto text = fmt::format(
-        format, fmt::arg("artist", artist.raw()), fmt::arg("albumArtist", album_artist.raw()),
-        fmt::arg("album", album.raw()), fmt::arg("title", title.raw()), fmt::arg("date", date),
-        fmt::arg("volume", volume), fmt::arg("elapsedTime", elapsedTime),
-        fmt::arg("totalTime", totalTime), fmt::arg("songPosition", song_pos),
-        fmt::arg("queueLength", queue_length), fmt::arg("stateIcon", stateIcon),
-        fmt::arg("consumeIcon", consumeIcon), fmt::arg("randomIcon", randomIcon),
-        fmt::arg("repeatIcon", repeatIcon), fmt::arg("singleIcon", singleIcon),
-        fmt::arg("filename", filename));
+        fmt::runtime(format), fmt::arg("artist", artist.raw()),
+        fmt::arg("albumArtist", album_artist.raw()), fmt::arg("album", album.raw()),
+        fmt::arg("title", title.raw()), fmt::arg("date", date), fmt::arg("volume", volume),
+        fmt::arg("elapsedTime", elapsedTime), fmt::arg("totalTime", totalTime),
+        fmt::arg("songPosition", song_pos), fmt::arg("queueLength", queue_length),
+        fmt::arg("stateIcon", stateIcon), fmt::arg("consumeIcon", consumeIcon),
+        fmt::arg("randomIcon", randomIcon), fmt::arg("repeatIcon", repeatIcon),
+        fmt::arg("singleIcon", singleIcon), fmt::arg("filename", filename));
    if (text.empty()) {
      label_.hide();
    } else {
@ -198,7 +198,7 @@ void waybar::modules::MPD::setLabel() {
                                                          : "MPD (connected)";
    try {
      auto tooltip_text =
-          fmt::format(tooltip_format, fmt::arg("artist", artist.raw()),
+          fmt::format(fmt::runtime(tooltip_format), fmt::arg("artist", artist.raw()),
                      fmt::arg("albumArtist", album_artist.raw()), fmt::arg("album", album.raw()),
                      fmt::arg("title", title.raw()), fmt::arg("date", date),
                      fmt::arg("volume", volume), fmt::arg("elapsedTime", elapsedTime),
--- a/src/modules/mpris/mpris.cpp
+++ b/src/modules/mpris/mpris.cpp
@ -378,10 +378,10 @@ auto Mpris::update() -> void {
      break;
  }
  auto label_format =
-      fmt::format(formatstr, fmt::arg("player", info.name), fmt::arg("status", info.status_string),
-                  fmt::arg("artist", *info.artist), fmt::arg("title", *info.title),
-                  fmt::arg("album", *info.album), fmt::arg("length", *info.length),
-                  fmt::arg("dynamic", dynamic.str()),
+      fmt::format(fmt::runtime(formatstr), fmt::arg("player", info.name),
+                  fmt::arg("status", info.status_string), fmt::arg("artist", *info.artist),
+                  fmt::arg("title", *info.title), fmt::arg("album", *info.album),
+                  fmt::arg("length", *info.length), fmt::arg("dynamic", dynamic.str()),
                  fmt::arg("player_icon", getIcon(config_["player-icons"], info.name)),
                  fmt::arg("status_icon", getIcon(config_["status-icons"], info.status_string)));
  label_.set_markup(label_format);
--- a/src/modules/network.cpp
+++ b/src/modules/network.cpp
@ -331,7 +331,7 @@ auto waybar::modules::Network::update() -> void {
  getState(signal_strength_);

  auto text = fmt::format(
-      format_, fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
+      fmt::runtime(format_), fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
      fmt::arg("signalStrength", signal_strength_),
      fmt::arg("signalStrengthApp", signal_strength_app_), fmt::arg("ifname", ifname_),
      fmt::arg("netmask", netmask_), fmt::arg("ipaddr", ipaddr_), fmt::arg("gwaddr", gwaddr_),
@ -363,8 +363,8 @@ auto waybar::modules::Network::update() -> void {
    }
    if (!tooltip_format.empty()) {
      auto tooltip_text = fmt::format(
-          tooltip_format, fmt::arg("essid", essid_), fmt::arg("signaldBm", signal_strength_dbm_),
-          fmt::arg("signalStrength", signal_strength_),
+          fmt::runtime(tooltip_format), fmt::arg("essid", essid_),
+          fmt::arg("signaldBm", signal_strength_dbm_), fmt::arg("signalStrength", signal_strength_),
          fmt::arg("signalStrengthApp", signal_strength_app_), fmt::arg("ifname", ifname_),
          fmt::arg("netmask", netmask_), fmt::arg("ipaddr", ipaddr_), fmt::arg("gwaddr", gwaddr_),
          fmt::arg("cidr", cidr_), fmt::arg("frequency", fmt::format("{:.1f}", frequency_)),
--- a/src/modules/pulseaudio.cpp
+++ b/src/modules/pulseaudio.cpp
@ -294,9 +294,9 @@ auto waybar::modules::Pulseaudio::update() -> void {
      format_source = config_["format-source"].asString();
    }
  }
-  format_source = fmt::format(format_source, fmt::arg("volume", source_volume_));
+  format_source = fmt::format(fmt::runtime(format_source), fmt::arg("volume", source_volume_));
  auto text = fmt::format(
-      format, fmt::arg("desc", desc_), fmt::arg("volume", volume_),
+      fmt::runtime(format), fmt::arg("desc", desc_), fmt::arg("volume", volume_),
      fmt::arg("format_source", format_source), fmt::arg("source_volume", source_volume_),
      fmt::arg("source_desc", source_desc_), fmt::arg("icon", getIcon(volume_, getPulseIcon())));
  if (text.empty()) {
@ -313,7 +313,7 @@ auto waybar::modules::Pulseaudio::update() -> void {
    }
    if (!tooltip_format.empty()) {
      label_.set_tooltip_text(fmt::format(
-          tooltip_format, fmt::arg("desc", desc_), fmt::arg("volume", volume_),
+          fmt::runtime(tooltip_format), fmt::arg("desc", desc_), fmt::arg("volume", volume_),
          fmt::arg("format_source", format_source), fmt::arg("source_volume", source_volume_),
          fmt::arg("source_desc", source_desc_),
          fmt::arg("icon", getIcon(volume_, getPulseIcon()))));
--- a/src/modules/river/mode.cpp
+++ b/src/modules/river/mode.cpp
@ -103,7 +103,7 @@ void Mode::handle_mode(const char *mode) {
    }

    label_.get_style_context()->add_class(mode);
-    label_.set_markup(fmt::format(format_, Glib::Markup::escape_text(mode).raw()));
+    label_.set_markup(fmt::format(fmt::runtime(format_), Glib::Markup::escape_text(mode).raw()));
    label_.show();
  }

--- a/src/modules/river/window.cpp
+++ b/src/modules/river/window.cpp
@ -106,7 +106,7 @@ void Window::handle_focused_view(const char *title) {
    label_.hide();  // hide empty labels or labels with empty format
  } else {
    label_.show();
-    label_.set_markup(fmt::format(format_, Glib::Markup::escape_text(title).raw()));
+    label_.set_markup(fmt::format(fmt::runtime(format_), Glib::Markup::escape_text(title).raw()));
  }

  ALabel::update();
--- a/src/modules/sndio.cpp
+++ b/src/modules/sndio.cpp
@ -110,7 +110,8 @@ auto Sndio::update() -> void {
    label_.get_style_context()->remove_class("muted");
  }

-  auto text = fmt::format(format, fmt::arg("volume", vol), fmt::arg("raw_value", volume_));
+  auto text =
+      fmt::format(fmt::runtime(format), fmt::arg("volume", vol), fmt::arg("raw_value", volume_));
  if (text.empty()) {
    label_.hide();
  } else {
--- a/src/modules/sway/ipc/client.cpp
+++ b/src/modules/sway/ipc/client.cpp
@ -2,6 +2,8 @@

 #include <fcntl.h>

+#include <stdexcept>
+
 namespace waybar::modules::sway {

 Ipc::Ipc() {
--- a/src/modules/sway/language.cpp
+++ b/src/modules/sway/language.cpp
@ -96,14 +96,14 @@ void Language::onEvent(const struct Ipc::ipc_response& res) {
 auto Language::update() -> void {
  std::lock_guard<std::mutex> lock(mutex_);
  auto display_layout = trim(fmt::format(
-      format_, fmt::arg("short", layout_.short_name),
+      fmt::runtime(format_), fmt::arg("short", layout_.short_name),
      fmt::arg("shortDescription", layout_.short_description), fmt::arg("long", layout_.full_name),
      fmt::arg("variant", layout_.variant), fmt::arg("flag", layout_.country_flag())));
  label_.set_markup(display_layout);
  if (tooltipEnabled()) {
    if (tooltip_format_ != "") {
      auto tooltip_display_layout = trim(
-          fmt::format(tooltip_format_, fmt::arg("short", layout_.short_name),
+          fmt::format(fmt::runtime(tooltip_format_), fmt::arg("short", layout_.short_name),
                      fmt::arg("shortDescription", layout_.short_description),
                      fmt::arg("long", layout_.full_name), fmt::arg("variant", layout_.variant),
                      fmt::arg("flag", layout_.country_flag())));
--- a/src/modules/sway/mode.cpp
+++ b/src/modules/sway/mode.cpp
@ -42,7 +42,7 @@ auto Mode::update() -> void {
  if (mode_.empty()) {
    event_box_.hide();
  } else {
-    label_.set_markup(fmt::format(format_, mode_));
+    label_.set_markup(fmt::format(fmt::runtime(format_), mode_));
    if (tooltipEnabled()) {
      label_.set_tooltip_text(mode_);
    }
--- a/src/modules/sway/scratchpad.cpp
+++ b/src/modules/sway/scratchpad.cpp
@ -32,7 +32,8 @@ auto Scratchpad::update() -> void {
  if (count_ || show_empty_) {
    event_box_.show();
    label_.set_markup(
-        fmt::format(format_, fmt::arg("icon", getIcon(count_, "", config_["format-icons"].size())),
+        fmt::format(fmt::runtime(format_),
+                    fmt::arg("icon", getIcon(count_, "", config_["format-icons"].size())),
                    fmt::arg("count", count_)));
    if (tooltip_enabled_) {
      label_.set_tooltip_markup(tooltip_text_);
@ -64,7 +65,7 @@ auto Scratchpad::onCmd(const struct Ipc::ipc_response& res) -> void {
    if (tooltip_enabled_) {
      tooltip_text_.clear();
      for (const auto& window : tree["nodes"][0]["nodes"][0]["floating_nodes"]) {
-        tooltip_text_.append(fmt::format(tooltip_format_ + '\n',
+        tooltip_text_.append(fmt::format(fmt::runtime(tooltip_format_ + '\n'),
                                         fmt::arg("app", window["app_id"].asString()),
                                         fmt::arg("title", window["name"].asString())));
      }
--- a/src/modules/sway/window.cpp
+++ b/src/modules/sway/window.cpp
@ -204,9 +204,10 @@ auto Window::update() -> void {
    old_app_id_ = app_id_;
  }

-  label_.set_markup(fmt::format(
-      format_, fmt::arg("title", waybar::util::rewriteTitle(window_, config_["rewrite"])),
-      fmt::arg("app_id", app_id_), fmt::arg("shell", shell_)));
+  label_.set_markup(
+      fmt::format(fmt::runtime(format_),
+                  fmt::arg("title", waybar::util::rewriteTitle(window_, config_["rewrite"])),
+                  fmt::arg("app_id", app_id_), fmt::arg("shell", shell_)));
  if (tooltipEnabled()) {
    label_.set_tooltip_text(window_);
  }
--- a/src/modules/sway/workspaces.cpp
+++ b/src/modules/sway/workspaces.cpp
@ -233,7 +233,7 @@ auto Workspaces::update() -> void {
    std::string output = (*it)["name"].asString();
    if (config_["format"].isString()) {
      auto format = config_["format"].asString();
-      output = fmt::format(format, fmt::arg("icon", getIcon(output, *it)),
+      output = fmt::format(fmt::runtime(format), fmt::arg("icon", getIcon(output, *it)),
                           fmt::arg("value", output), fmt::arg("name", trimWorkspaceName(output)),
                           fmt::arg("index", (*it)["num"].asString()));
    }
@ -259,11 +259,9 @@ Gtk::Button &Workspaces::addButton(const Json::Value &node) {
      try {
        if (node["target_output"].isString()) {
          ipc_.sendCmd(IPC_COMMAND,
-                       fmt::format(workspace_switch_cmd_ + "; move workspace to output \"{}\"; " +
-                                       workspace_switch_cmd_,
-                                   "--no-auto-back-and-forth", node["name"].asString(),
-                                   node["target_output"].asString(), "--no-auto-back-and-forth",
-                                   node["name"].asString()));
+                       fmt::format(persistent_workspace_switch_cmd_, "--no-auto-back-and-forth",
+                                   node["name"].asString(), node["target_output"].asString(),
+                                   "--no-auto-back-and-forth", node["name"].asString()));
        } else {
          ipc_.sendCmd(IPC_COMMAND, fmt::format("workspace {} \"{}\"",
                                                config_["disable-auto-back-and-forth"].asBool()
--- a/src/modules/temperature.cpp
+++ b/src/modules/temperature.cpp
@ -55,7 +55,7 @@ auto waybar::modules::Temperature::update() -> void {
  }

  auto max_temp = config_["critical-threshold"].isInt() ? config_["critical-threshold"].asInt() : 0;
-  label_.set_markup(fmt::format(format, fmt::arg("temperatureC", temperature_c),
+  label_.set_markup(fmt::format(fmt::runtime(format), fmt::arg("temperatureC", temperature_c),
                                fmt::arg("temperatureF", temperature_f),
                                fmt::arg("temperatureK", temperature_k),
                                fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
@ -64,9 +64,9 @@ auto waybar::modules::Temperature::update() -> void {
    if (config_["tooltip-format"].isString()) {
      tooltip_format = config_["tooltip-format"].asString();
    }
-    label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("temperatureC", temperature_c),
-                                        fmt::arg("temperatureF", temperature_f),
-                                        fmt::arg("temperatureK", temperature_k)));
+    label_.set_tooltip_text(fmt::format(
+        fmt::runtime(tooltip_format), fmt::arg("temperatureC", temperature_c),
+        fmt::arg("temperatureF", temperature_f), fmt::arg("temperatureK", temperature_k)));
  }
  // Call parent update
  ALabel::update();
--- a/src/modules/upower/upower.cpp
+++ b/src/modules/upower/upower.cpp
@ -336,8 +336,8 @@ auto UPower::update() -> void {
      break;
  }
  std::string label_format =
-      fmt::format(showAltText ? format_alt : format, fmt::arg("percentage", percentString),
-                  fmt::arg("time", time_format));
+      fmt::format(fmt::runtime(showAltText ? format_alt : format),
+                  fmt::arg("percentage", percentString), fmt::arg("time", time_format));
  // Only set the label text if it doesn't only contain spaces
  bool onlySpaces = true;
  for (auto& character : label_format) {
--- a/src/modules/user.cpp
+++ b/src/modules/user.cpp
@ -127,16 +127,16 @@ auto User::update() -> void {
  auto startSystemTime = currentSystemTime - workSystemTimeSeconds;
  long workSystemDays = uptimeSeconds / 86400;

-  auto label = fmt::format(ALabel::format_, fmt::arg("up_H", fmt::format("{:%H}", startSystemTime)),
-                           fmt::arg("up_M", fmt::format("{:%M}", startSystemTime)),
-                           fmt::arg("up_d", fmt::format("{:%d}", startSystemTime)),
-                           fmt::arg("up_m", fmt::format("{:%m}", startSystemTime)),
-                           fmt::arg("up_Y", fmt::format("{:%Y}", startSystemTime)),
-                           fmt::arg("work_d", workSystemDays),
-                           fmt::arg("work_H", fmt::format("{:%H}", workSystemTimeSeconds)),
-                           fmt::arg("work_M", fmt::format("{:%M}", workSystemTimeSeconds)),
-                           fmt::arg("work_S", fmt::format("{:%S}", workSystemTimeSeconds)),
-                           fmt::arg("user", systemUser));
+  auto label = fmt::format(
+      fmt::runtime(ALabel::format_), fmt::arg("up_H", fmt::format("{:%H}", startSystemTime)),
+      fmt::arg("up_M", fmt::format("{:%M}", startSystemTime)),
+      fmt::arg("up_d", fmt::format("{:%d}", startSystemTime)),
+      fmt::arg("up_m", fmt::format("{:%m}", startSystemTime)),
+      fmt::arg("up_Y", fmt::format("{:%Y}", startSystemTime)), fmt::arg("work_d", workSystemDays),
+      fmt::arg("work_H", fmt::format("{:%H}", workSystemTimeSeconds)),
+      fmt::arg("work_M", fmt::format("{:%M}", workSystemTimeSeconds)),
+      fmt::arg("work_S", fmt::format("{:%S}", workSystemTimeSeconds)),
+      fmt::arg("user", systemUser));
  ALabel::label_.set_markup(label);
  AIconLabel::update();
 }
--- a/src/modules/wireplumber.cpp
+++ b/src/modules/wireplumber.cpp
@ -279,7 +279,7 @@ auto waybar::modules::Wireplumber::update() -> void {
    label_.get_style_context()->remove_class("muted");
  }

-  std::string markup = fmt::format(format, fmt::arg("node_name", node_name_),
+  std::string markup = fmt::format(fmt::runtime(format), fmt::arg("node_name", node_name_),
                                   fmt::arg("volume", volume_), fmt::arg("icon", getIcon(volume_)));
  label_.set_markup(markup);

@ -291,9 +291,9 @@ auto waybar::modules::Wireplumber::update() -> void {
    }

    if (!tooltip_format.empty()) {
-      label_.set_tooltip_text(fmt::format(tooltip_format, fmt::arg("node_name", node_name_),
-                                          fmt::arg("volume", volume_),
-                                          fmt::arg("icon", getIcon(volume_))));
+      label_.set_tooltip_text(
+          fmt::format(fmt::runtime(tooltip_format), fmt::arg("node_name", node_name_),
+                      fmt::arg("volume", volume_), fmt::arg("icon", getIcon(volume_))));
    } else {
      label_.set_tooltip_text(node_name_);
    }
--- a/src/modules/wlr/taskbar.cpp
+++ b/src/modules/wlr/taskbar.cpp
@ -618,9 +618,10 @@ void Task::update() {
    app_id = Glib::Markup::escape_text(app_id);
  }
  if (!format_before_.empty()) {
-    auto txt = fmt::format(format_before_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_before_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      text_before_.set_markup(txt);
    else
@ -628,9 +629,10 @@ void Task::update() {
    text_before_.show();
  }
  if (!format_after_.empty()) {
-    auto txt = fmt::format(format_after_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_after_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      text_after_.set_markup(txt);
    else
@ -639,9 +641,10 @@ void Task::update() {
  }

  if (!format_tooltip_.empty()) {
-    auto txt = fmt::format(format_tooltip_, fmt::arg("title", title), fmt::arg("name", name),
-                           fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
-                           fmt::arg("short_state", state_string(true)));
+    auto txt =
+        fmt::format(fmt::runtime(format_tooltip_), fmt::arg("title", title), fmt::arg("name", name),
+                    fmt::arg("app_id", app_id), fmt::arg("state", state_string()),
+                    fmt::arg("short_state", state_string(true)));
    if (markup)
      button_.set_tooltip_markup(txt);
    else
--- a/src/modules/wlr/workspace_manager.cpp
+++ b/src/modules/wlr/workspace_manager.cpp
@ -379,7 +379,7 @@ Workspace::~Workspace() {
 }

 auto Workspace::update() -> void {
-  label_.set_markup(fmt::format(format_, fmt::arg("name", name_),
+  label_.set_markup(fmt::format(fmt::runtime(format_), fmt::arg("name", name_),
                                fmt::arg("icon", with_icon_ ? get_icon() : "")));
 }

--- a/test/SafeSignal.cpp
+++ b/test/SafeSignal.cpp
@ -2,7 +2,11 @@

 #include <glibmm.h>

-#include <catch2/catch_all.hpp>
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif
 #include <thread>
 #include <type_traits>

--- a/test/config.cpp
+++ b/test/config.cpp
@ -1,6 +1,10 @@
 #include "config.hpp"

-#include <catch2/catch_all.hpp>
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif

 TEST_CASE("Load simple config", "[config]") {
  waybar::Config conf;
--- a/test/date.cpp
+++ b/test/date.cpp
@ -0,0 +1,162 @@
+#include "util/date.hpp"
+
+#include <chrono>
+#include <ctime>
+#include <iomanip>
+#include <sstream>
+#include <stdexcept>
+
+#if __has_include(<catch2/catch_test_macros.hpp>)
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_all.hpp>
+#else
+#include <catch2/catch.hpp>
+#endif
+
+#ifndef SKIP
+#define SKIP(...)    \
+  WARN(__VA_ARGS__); \
+  return
+#endif
+
+using namespace std::literals::chrono_literals;
+
+/*
+ * Check that the date/time formatter with locale and timezone support is working as expected.
+ */
+
+const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
+    "UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
+
+/*
+ * Check if the date formatted with LC_TIME=en_US is within expectations.
+ *
+ * The check expects Glibc output style and will fail with FreeBSD (different implementation)
+ * or musl (no implementation).
+ */
+static const bool LC_TIME_is_sane = []() {
+  try {
+    std::stringstream ss;
+    ss.imbue(std::locale("en_US.UTF-8"));
+
+    time_t t = 1641211200;
+    std::tm tm = *std::gmtime(&t);
+
+    ss << std::put_time(&tm, "%x %X");
+    return ss.str() == "01/03/2022 12:00:00 PM";
+  } catch (std::exception &) {
+    return false;
+  }
+}();
+
+TEST_CASE("Format UTC time", "[clock][util]") {
+  const auto loc = std::locale("C");
+  const auto tm = TEST_TIME;
+
+  CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+  CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan  3 13:04:05 2022 UTC");
+  CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+
+  if (!LC_TIME_is_sane) {
+    SKIP("Locale support check failed, skip tests");
+  }
+
+  /* Test a few locales that are most likely to be present */
+  SECTION("US locale") {
+    try {
+      const auto loc = std::locale("en_US.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+  SECTION("GB locale") {
+    try {
+      const auto loc = std::locale("en_GB.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_GB not found, skip tests");
+    }
+  }
+  SECTION("Global locale") {
+    try {
+      const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
+
+      CHECK(fmt::format("{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
+      CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
+      CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
+
+      std::locale::global(loc);
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+}
+
+TEST_CASE("Format zoned time", "[clock][util]") {
+  const auto loc = std::locale("C");
+  const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
+
+  CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+  CHECK(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan  3 08:04:05 2022 EST");
+  CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+
+  if (!LC_TIME_is_sane) {
+    SKIP("Locale support check failed, skip tests");
+  }
+
+  /* Test a few locales that are most likely to be present */
+  SECTION("US locale") {
+    try {
+      const auto loc = std::locale("en_US.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+  SECTION("GB locale") {
+    try {
+      const auto loc = std::locale("en_GB.UTF-8");
+
+      CHECK(fmt::format(loc, "{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format(loc, "{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
+      CHECK(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
+      CHECK(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_GB not found, skip tests");
+    }
+  }
+  SECTION("Global locale") {
+    try {
+      const auto loc = std::locale::global(std::locale("en_US.UTF-8"));
+
+      CHECK(fmt::format("{}", tm).empty());  // no format specified
+      CHECK_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
+                 Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
+      CHECK(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
+      CHECK(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
+
+      std::locale::global(loc);
+    } catch (const std::runtime_error &) {
+      WARN("Locale en_US not found, skip tests");
+    }
+  }
+}
--- a/test/main.cpp
+++ b/test/main.cpp
@ -3,8 +3,13 @@
 #include <spdlog/sinks/stdout_sinks.h>
 #include <spdlog/spdlog.h>

+#if __has_include(<catch2/catch_all.hpp>)
 #include <catch2/catch_all.hpp>
 #include <catch2/reporters/catch_reporter_tap.hpp>
+#else
+#include <catch2/catch.hpp>
+#include <catch2/catch_reporter_tap.hpp>
+#endif
 #include <memory>

 int main(int argc, char* argv[]) {
@ -13,10 +18,16 @@ int main(int argc, char* argv[]) {

  session.applyCommandLine(argc, argv);
  const auto logger = spdlog::default_logger();
+#if CATCH_VERSION_MAJOR >= 3
  for (const auto& spec : session.config().getReporterSpecs()) {
-    if (spec.name() == "tap") {
+    const auto& reporter_name = spec.name();
+#else
+  {
+    const auto& reporter_name = session.config().getReporterName();
+#endif
+    if (reporter_name == "tap") {
      spdlog::set_pattern("# [%l] %v");
-    } else if (spec.name() == "compact") {
+    } else if (reporter_name == "compact") {
      logger->sinks().clear();
    } else {
      logger->sinks().assign({std::make_shared<spdlog::sinks::stderr_sink_st>()});
--- a/test/meson.build
+++ b/test/meson.build
@ -15,7 +15,7 @@ test_src = files(

 if tz_dep.found()
  test_dep += tz_dep
-  test_src += files('waybar_time.cpp')
+  test_src += files('date.cpp')
 endif

 waybar_test = executable(
--- a/test/waybar_time.cpp
+++ b/test/waybar_time.cpp
@ -1,90 +0,0 @@
-#include "util/waybar_time.hpp"
-
-#include <date/date.h>
-#include <date/tz.h>
-
-#include <catch2/catch_all.hpp>
-#include <chrono>
-#include <stdexcept>
-
-using namespace std::literals::chrono_literals;
-
-/*
- * Check that the date/time formatter with locale and timezone support is working as expected.
- */
-
-const date::zoned_time<std::chrono::seconds> TEST_TIME = date::make_zoned(
-    "UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s);
-
-TEST_CASE("Format UTC time", "[clock][util]") {
-  waybar::waybar_time tm{std::locale("C"), TEST_TIME};
-
-  REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-  REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan  3 13:04:05 2022 UTC");
-  REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-
-  /* Test a few locales that are most likely to be present */
-  SECTION("US locale") {
-    try {
-      tm.locale = std::locale("en_US");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-  SECTION("GB locale") {
-    try {
-      tm.locale = std::locale("en_GB");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 13:04:05");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-}
-
-TEST_CASE("Format zoned time", "[clock][util]") {
-  waybar::waybar_time tm{std::locale("C"), date::make_zoned("America/New_York", TEST_TIME)};
-
-  REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-  REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan  3 08:04:05 2022 EST");
-  REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-
-  /* Test a few locales that are most likely to be present */
-  SECTION("US locale") {
-    try {
-      tm.locale = std::locale("en_US");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-
-  SECTION("GB locale") {
-    try {
-      tm.locale = std::locale("en_GB");
-
-      REQUIRE(fmt::format("{}", tm).empty());  // no format specified
-      REQUIRE_THAT(fmt::format("{:%c}", tm),   // HowardHinnant/date#704
-                   Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
-      REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 08:04:05");
-      REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
-    } catch (const std::runtime_error&) {
-      // locale not found; ignore
-    }
-  }
-}