Remove automatic config generation

Fixes #2818.

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Packaging
 
 - Minimum Rust version has been bumped to 1.36.0
+- Config is not generated anymore, please consider distributing the alacritty.yml as documentation
 
 ### Added
 
@@ -70,6 +71,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 
 - Bindings for Super/Command + F1-F12
+- Automatic config generation
 
 ## 0.3.3
 

README.md

@@ -152,25 +152,16 @@ properly.
 
 ## Configuration
 
-Although it's possible the default configuration would work on your system,
+You can find the default configuration file with documentation for all available
-you'll probably end up wanting to customize it anyhow. There is a default
+fields on the [GitHub releases page](https://github.com/jwilm/alacritty/releases) for each release.
-`alacritty.yml` at the Git repository root. Alacritty looks for the
+
-configuration file at the following paths:
+Alacritty looks for the configuration file at the following paths:
 
 1. `$XDG_CONFIG_HOME/alacritty/alacritty.yml`
 2. `$XDG_CONFIG_HOME/alacritty.yml`
 3. `$HOME/.config/alacritty/alacritty.yml`
 4. `$HOME/.alacritty.yml`
 
-If none of these paths are found then
-`$XDG_CONFIG_HOME/alacritty/alacritty.yml` is created once Alacritty is first
-run. On most systems this often defaults to
-`$HOME/.config/alacritty/alacritty.yml`.
-
-Many configuration options will take effect immediately upon saving changes to
-the config file. For more information about the config file structure, refer to
-the default config file.
-
 ### Windows
 
 On Windows the config file is located at:

alacritty.yml

@@ -12,14 +12,14 @@
   # available, otherwise `xterm-256color` is used.
   #TERM: xterm-256color
 
-window:
+#window:
   # Window dimensions (changes require restart)
   #
   # Specified in number of columns/lines, not pixels.
   # If both are `0`, this setting is ignored.
-  dimensions:
+  #dimensions:
-    columns: 0
+  #  columns: 0
-    lines: 0
+  #  lines: 0
 
   # Window position (changes require restart)
   #
@@ -33,12 +33,12 @@ window:
   #
   # Blank space added around the window in pixels. This padding is scaled
   # by DPI and the specified value is always added at both opposing sides.
-  padding:
+  #padding:
-    x: 0
+  #  x: 0
-    y: 0
+  #  y: 0
 
   # Spread additional padding evenly around the terminal content.
-  dynamic_padding: false
+  #dynamic_padding: false
 
   # Window decorations
   #
@@ -49,7 +49,7 @@ window:
   # Values for `decorations` (macOS only):
   #     - transparent: Title bar, transparent background and title bar buttons
   #     - buttonless: Title bar, transparent background, but no title bar buttons
-  decorations: full
+  #decorations: full
 
   # Startup Mode (changes require restart)
   #
@@ -60,32 +60,32 @@ window:
   #
   # Values for `startup_mode` (macOS only):
   #   - SimpleFullscreen
-  startup_mode: Windowed
+  #startup_mode: Windowed
 
   # Window title
   #title: Alacritty
 
   # Window class (Linux only):
-  class:
+  #class:
     # Application instance name
-    instance: Alacritty
+    #instance: Alacritty
     # General application class
-    general: Alacritty
+    #general: Alacritty
 
   # GTK theme variant (Linux only)
   #
   # Override the variant of the GTK theme. Commonly supported values are `dark` and `light`.
   # Set this to `None` to use the default theme variant.
-  gtk_theme_variant: None
+  #gtk_theme_variant: None
 
-scrolling:
+#scrolling:
   # Maximum number of lines in the scrollback buffer.
   # Specifying '0' will disable scrolling.
-  history: 10000
+  #history: 10000
 
   # Number of lines the viewport will move for every line scrolled when
   # scrollback is enabled (history > 0).
-  multiplier: 3
+  #multiplier: 3
 
   # Faux Scrolling
   #
@@ -94,10 +94,10 @@ scrolling:
   # to allow mouse scrolling for applications like `man`.
   #
   # Specifying `0` will disable faux scrolling.
-  faux_multiplier: 3
+  #faux_multiplier: 3
 
   # Scroll to the bottom when new text is written to the terminal.
-  auto_scroll: false
+  #auto_scroll: false
 
 # Spaces per Tab (changes require restart)
 #
@@ -106,10 +106,10 @@ scrolling:
 # Some applications, like Emacs, rely on knowing about the width of a tab.
 # To prevent unexpected behavior in these applications, it's also required to
 # change the `it` value in terminfo when altering this setting.
-tabspaces: 8
+#tabspaces: 8
 
 # Font configuration (changes require restart)
-font:
+#font:
   # Normal (roman) font face
   #normal:
     # Font family
@@ -157,20 +157,20 @@ font:
     #style: Bold Italic
 
   # Point size
-  size: 11.0
+  #size: 11.0
 
   # Offset is the extra space around each character. `offset.y` can be thought of
   # as modifying the line spacing, and `offset.x` as modifying the letter spacing.
-  offset:
+  #offset:
-    x: 0
+  #  x: 0
-    y: 0
+  #  y: 0
 
   # Glyph offset determines the locations of the glyphs within their cells with
   # the default being at the bottom. Increasing `x` moves the glyph to the right,
   # increasing `y` moves the glyph upwards.
-  glyph_offset:
+  #glyph_offset:
-    x: 0
+  #  x: 0
-    y: 0
+  #  y: 0
 
   # Thin stroke font rendering (macOS only)
   #
@@ -186,17 +186,17 @@ font:
   #
   # This is a global setting and will require a log out or restart to take
   # effect.
-  use_thin_strokes: true
+  #use_thin_strokes: true
 
 # If `true`, bold text is drawn using the bright color variants.
-draw_bold_text_with_bright_colors: true
+#draw_bold_text_with_bright_colors: true
 
 # Colors (Tomorrow Night Bright)
-colors:
+#colors:
   # Default colors
-  primary:
+  #primary:
-    background: '0x000000'
+  #  background: '0x000000'
-    foreground: '0xeaeaea'
+  #  foreground: '0xeaeaea'
 
     # Bright and dim foreground colors
     #
@@ -224,26 +224,26 @@ colors:
   #  background: '0x404040'
 
   # Normal colors
-  normal:
+  #normal:
-    black:   '0x000000'
+  #  black:   '0x000000'
-    red:     '0xd54e53'
+  #  red:     '0xd54e53'
-    green:   '0xb9ca4a'
+  #  green:   '0xb9ca4a'
-    yellow:  '0xe6c547'
+  #  yellow:  '0xe6c547'
-    blue:    '0x7aa6da'
+  #  blue:    '0x7aa6da'
-    magenta: '0xc397d8'
+  #  magenta: '0xc397d8'
-    cyan:    '0x70c0ba'
+  #  cyan:    '0x70c0ba'
-    white:   '0xeaeaea'
+  #  white:   '0xeaeaea'
 
   # Bright colors
-  bright:
+  #bright:
-    black:   '0x666666'
+  #  black:   '0x666666'
-    red:     '0xff3334'
+  #  red:     '0xff3334'
-    green:   '0x9ec400'
+  #  green:   '0x9ec400'
-    yellow:  '0xe7c547'
+  #  yellow:  '0xe7c547'
-    blue:    '0x7aa6da'
+  #  blue:    '0x7aa6da'
-    magenta: '0xb77ee0'
+  #  magenta: '0xb77ee0'
-    cyan:    '0x54ced6'
+  #  cyan:    '0x54ced6'
-    white:   '0xffffff'
+  #  white:   '0xffffff'
 
   # Dim colors
   #
@@ -267,7 +267,7 @@ colors:
   # Example:
   #   `- { index: 16, color: '0xff00ff' }`
   #
-  indexed_colors: []
+  #indexed_colors: []
 
 # Visual Bell
 #
@@ -290,41 +290,41 @@ colors:
 #   - Linear
 #
 # Specifying a `duration` of `0` will disable the visual bell.
-visual_bell:
+#visual_bell:
-  animation: EaseOutExpo
+#  animation: EaseOutExpo
-  duration: 0
+#  duration: 0
-  color: '0xffffff'
+#  color: '0xffffff'
 
 # Background opacity
 #
 # Window opacity as a floating point number from `0.0` to `1.0`.
 # The value `0.0` is completely transparent and `1.0` is opaque.
-background_opacity: 1.0
+#background_opacity: 1.0
 
-selection:
+#selection:
-  semantic_escape_chars: ",│`|:\"' ()[]{}<>\t"
+  #semantic_escape_chars: ",│`|:\"' ()[]{}<>\t"
 
   # When set to `true`, selected text will be copied to the primary clipboard.
-  save_to_clipboard: false
+  #save_to_clipboard: false
 
 # Allow terminal applications to change Alacritty's window title.
-dynamic_title: true
+#dynamic_title: true
 
-cursor:
+#cursor:
   # Cursor style
   #
   # Values for `style`:
   #   - ▇ Block
   #   - _ Underline
   #   - | Beam
-  style: Block
+  #style: Block
 
   # If this is `true`, the cursor will be rendered as a hollow box when the
   # window is not focused.
-  unfocused_hollow: true
+  #unfocused_hollow: true
 
 # Live config reload (changes require restart)
-live_config_reload: true
+#live_config_reload: true
 
 # Shell
 #
@@ -344,7 +344,7 @@ live_config_reload: true
 #
 # Directory the shell is started in. If this is unset, or `None`, the working
 # directory of the parent process will be used.
-working_directory: None
+#working_directory: None
 
 # Windows 10 ConPTY backend (Windows only)
 #
@@ -355,17 +355,17 @@ working_directory: None
 #
 # Alacritty will fall back to the WinPTY automatically if the ConPTY
 # backend cannot be initialized.
-enable_experimental_conpty_backend: false
+#enable_experimental_conpty_backend: false
 
 # Send ESC (\x1b) before characters when alt is pressed.
-alt_send_esc: true
+#alt_send_esc: true
 
-debug:
+#debug:
   # Display the time it takes to redraw each frame.
-  render_timer: false
+  #render_timer: false
 
   # Keep the log file after quitting Alacritty.
-  persistent_logging: false
+  #persistent_logging: false
 
   # Log level
   #
@@ -376,27 +376,27 @@ debug:
   #   - Info
   #   - Debug
   #   - Trace
-  log_level: Warn
+  #log_level: Warn
 
   # Print all received window events.
-  print_events: false
+  #print_events: false
 
   # Record all characters and escape sequences as test data.
-  ref_test: false
+  #ref_test: false
 
-mouse:
+#mouse:
   # Click settings
   #
   # The `double_click` and `triple_click` settings control the time
   # alacritty should wait for accepting multiple clicks as one double
   # or triple click.
-  double_click: { threshold: 300 }
+  #double_click: { threshold: 300 }
-  triple_click: { threshold: 300 }
+  #triple_click: { threshold: 300 }
 
   # If this is `true`, the cursor is temporarily hidden when typing.
-  hide_when_typing: false
+  #hide_when_typing: false
 
-  url:
+  #url:
     # URL launcher
     #
     # This program is executed when clicking on a text which is recognized as a URL.
@@ -416,7 +416,7 @@ mouse:
     #
     # These are the modifiers that need to be held down for opening URLs when clicking
     # on them. The available modifiers are documented in the key binding section.
-    modifiers: None
+    #modifiers: None
 
 # Mouse bindings
 #
@@ -437,8 +437,8 @@ mouse:
 # And optionally:
 #
 # - `mods` (see key bindings)
-mouse_bindings:
+#mouse_bindings:
-  - { mouse: Middle, action: PasteSelection }
+#  - { mouse: Middle, action: PasteSelection }
 
 # Key bindings
 #
@@ -539,7 +539,7 @@ mouse_bindings:
 # binding with the same triggers is defined. To unset a default binding, it can
 # be mapped to the `ReceiveChar` action. Alternatively, you can use `None` for
 # a no-op if you do not wish to receive input characters for that binding.
-key_bindings:
+#key_bindings:
   # (Windows/Linux only)
   #- { key: V,        mods: Control|Shift, action: Paste            }
   #- { key: C,        mods: Control|Shift, action: Copy             }
@@ -565,11 +565,11 @@ key_bindings:
   #- { key: W,      mods: Command,         action: Quit             }
   #- { key: F,      mods: Command|Control, action: ToggleFullscreen }
 
-  - { key: Paste,                    action: Paste                            }
+  #- { key: Paste,                    action: Paste                            }
-  - { key: Copy,                     action: Copy                             }
+  #- { key: Copy,                     action: Copy                             }
-  - { key: L,         mods: Control, action: ClearLogNotice                   }
+  #- { key: L,         mods: Control, action: ClearLogNotice                   }
-  - { key: L,         mods: Control, chars: "\x0c"                            }
+  #- { key: L,         mods: Control, chars: "\x0c"                            }
-  - { key: PageUp,    mods: Shift,   action: ScrollPageUp,   mode: ~Alt       }
+  #- { key: PageUp,    mods: Shift,   action: ScrollPageUp,   mode: ~Alt       }
-  - { key: PageDown,  mods: Shift,   action: ScrollPageDown, mode: ~Alt       }
+  #- { key: PageDown,  mods: Shift,   action: ScrollPageDown, mode: ~Alt       }
-  - { key: Home,      mods: Shift,   action: ScrollToTop,    mode: ~Alt       }
+  #- { key: Home,      mods: Shift,   action: ScrollToTop,    mode: ~Alt       }
-  - { key: End,       mods: Shift,   action: ScrollToBottom, mode: ~Alt       }
+  #- { key: End,       mods: Shift,   action: ScrollToBottom, mode: ~Alt       }

alacritty/src/cli.rs

@@ -12,9 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use std::borrow::Cow;
 use std::cmp::max;
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 
 use clap::{crate_authors, crate_description, crate_name, crate_version, App, Arg};
 use log::{self, LevelFilter};
@@ -242,8 +241,8 @@ impl Options {
         options
     }
 
-    pub fn config_path(&self) -> Option<Cow<'_, Path>> {
+    pub fn config_path(&self) -> Option<PathBuf> {
-        self.config.as_ref().map(|p| Cow::Borrowed(p.as_path()))
+        self.config.clone()
     }
 
     pub fn into_config(self, mut config: Config) -> Config {
@@ -284,15 +283,12 @@ impl Options {
 
 #[cfg(test)]
 mod test {
-    use alacritty_terminal::config::DEFAULT_ALACRITTY_CONFIG;
-
     use crate::cli::Options;
     use crate::config::Config;
 
     #[test]
     fn dynamic_title_ignoring_options_by_default() {
-        let config: Config =
+        let config = Config::default();
-            ::serde_yaml::from_str(DEFAULT_ALACRITTY_CONFIG).expect("deserialize config");
         let old_dynamic_title = config.dynamic_title();
 
         let config = Options::default().into_config(config);
@@ -302,8 +298,7 @@ mod test {
 
     #[test]
     fn dynamic_title_overridden_by_options() {
-        let config: Config =
+        let config = Config::default();
-            ::serde_yaml::from_str(DEFAULT_ALACRITTY_CONFIG).expect("deserialize config");
 
         let mut options = Options::default();
         options.title = Some("foo".to_owned());
@@ -314,8 +309,7 @@ mod test {
 
     #[test]
     fn dynamic_title_overridden_by_config() {
-        let mut config: Config =
+        let mut config = Config::default();
-            ::serde_yaml::from_str(DEFAULT_ALACRITTY_CONFIG).expect("deserialize config");
 
         config.window.title = Some("foo".to_owned());
         let config = Options::default().into_config(config);

alacritty/src/config/mod.rs

@@ -1,8 +1,6 @@
-use std::borrow::Cow;
 use std::env;
-use std::fs::File;
+use std::io;
-use std::io::{self, Read, Write};
+use std::path::PathBuf;
-use std::path::{Path, PathBuf};
 
 #[cfg(windows)]
 use dirs;
@@ -11,15 +9,11 @@ use serde_yaml;
 #[cfg(not(windows))]
 use xdg;
 
-use alacritty_terminal::config::{
+use alacritty_terminal::config::{Config as TermConfig, LOG_TARGET_CONFIG};
-    Config as TermConfig, DEFAULT_ALACRITTY_CONFIG, LOG_TARGET_CONFIG,
-};
 
 mod bindings;
 pub mod monitor;
 mod mouse;
-#[cfg(test)]
-mod test;
 mod ui_config;
 
 pub use crate::config::bindings::{Action, Binding, Key, RelaxedEq};
@@ -48,7 +42,7 @@ pub enum Error {
     Yaml(serde_yaml::Error),
 }
 
-impl ::std::error::Error for Error {
+impl std::error::Error for Error {
     fn cause(&self) -> Option<&dyn (::std::error::Error)> {
         match *self {
             Error::NotFound => None,
@@ -68,7 +62,7 @@ impl ::std::error::Error for Error {
     }
 }
 
-impl ::std::fmt::Display for Error {
+impl std::fmt::Display for Error {
     fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
         match *self {
             Error::NotFound => write!(f, "{}", ::std::error::Error::description(self)),
@@ -111,7 +105,7 @@ impl From<serde_yaml::Error> for Error {
 /// 3. $HOME/.config/alacritty/alacritty.yml
 /// 4. $HOME/.alacritty.yml
 #[cfg(not(windows))]
-pub fn installed_config<'a>() -> Option<Cow<'a, Path>> {
+pub fn installed_config() -> Option<PathBuf> {
     // Try using XDG location by default
     xdg::BaseDirectories::with_prefix("alacritty")
         .ok()
@@ -136,41 +130,11 @@ pub fn installed_config<'a>() -> Option<Cow<'a, Path>> {
             }
             None
         })
-        .map(Into::into)
 }
 
 #[cfg(windows)]
-pub fn installed_config<'a>() -> Option<Cow<'a, Path>> {
+pub fn installed_config() -> Option<PathBuf> {
-    dirs::config_dir()
+    dirs::config_dir().map(|path| path.join("alacritty\\alacritty.yml")).filter(|new| new.exists())
-        .map(|path| path.join("alacritty\\alacritty.yml"))
-        .filter(|new| new.exists())
-        .map(Cow::from)
-}
-
-#[cfg(not(windows))]
-pub fn write_defaults() -> io::Result<Cow<'static, Path>> {
-    let path = xdg::BaseDirectories::with_prefix("alacritty")
-        .map_err(|err| io::Error::new(io::ErrorKind::NotFound, err.to_string().as_str()))
-        .and_then(|p| p.place_config_file("alacritty.yml"))?;
-
-    File::create(&path)?.write_all(DEFAULT_ALACRITTY_CONFIG.as_bytes())?;
-
-    Ok(path.into())
-}
-
-#[cfg(windows)]
-pub fn write_defaults() -> io::Result<Cow<'static, Path>> {
-    let mut path = dirs::config_dir().ok_or_else(|| {
-        io::Error::new(io::ErrorKind::NotFound, "Couldn't find profile directory")
-    })?;
-
-    path = path.join("alacritty/alacritty.yml");
-
-    std::fs::create_dir_all(path.parent().unwrap())?;
-
-    File::create(&path)?.write_all(DEFAULT_ALACRITTY_CONFIG.as_bytes())?;
-
-    Ok(path.into())
 }
 
 pub fn load_from(path: PathBuf) -> Config {
@@ -190,24 +154,31 @@ pub fn reload_from(path: &PathBuf) -> Result<Config> {
 }
 
 fn read_config(path: &PathBuf) -> Result<Config> {
-    let mut contents = String::new();
+    let mut contents = std::fs::read_to_string(path)?;
-    File::open(path)?.read_to_string(&mut contents)?;
 
     // Remove UTF-8 BOM
     if contents.chars().nth(0) == Some('\u{FEFF}') {
         contents = contents.split_off(3);
     }
 
-    // Prevent parsing error with empty string
+    parse_config(&contents)
-    if contents.is_empty() {
-        return Ok(Config::default());
 }
 
-    let config = serde_yaml::from_str(&contents)?;
+fn parse_config(contents: &str) -> Result<Config> {
-
+    match serde_yaml::from_str(&contents) {
+        Err(error) => {
+            // Prevent parsing error with an empty string and commented out file.
+            if std::error::Error::description(&error) == "EOF while parsing a value" {
+                Ok(Config::default())
+            } else {
+                Err(Error::Yaml(error))
+            }
+        },
+        Ok(config) => {
             print_deprecation_warnings(&config);
-
             Ok(config)
+        },
+    }
 }
 
 fn print_deprecation_warnings(config: &Config) {
@@ -232,3 +203,16 @@ fn print_deprecation_warnings(config: &Config) {
         );
     }
 }
+
+#[cfg(test)]
+mod test {
+    static DEFAULT_ALACRITTY_CONFIG: &str =
+        include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../alacritty.yml"));
+
+    use super::Config;
+
+    #[test]
+    fn config_read_eof() {
+        assert_eq!(super::parse_config(DEFAULT_ALACRITTY_CONFIG).unwrap(), Config::default());
+    }
+}

alacritty/src/config/test.rs

@@ -1,24 +0,0 @@
-use alacritty_terminal::config::DEFAULT_ALACRITTY_CONFIG;
-
-use crate::config::Config;
-
-#[test]
-fn parse_config() {
-    let config: Config =
-        ::serde_yaml::from_str(DEFAULT_ALACRITTY_CONFIG).expect("deserialize config");
-
-    // Sanity check that mouse bindings are being parsed
-    assert!(!config.ui_config.mouse_bindings.is_empty());
-
-    // Sanity check that key bindings are being parsed
-    assert!(!config.ui_config.key_bindings.is_empty());
-}
-
-#[test]
-fn default_match_empty() {
-    let default = Config::default();
-
-    let empty = serde_yaml::from_str("key: val\n").unwrap();
-
-    assert_eq!(default, empty);
-}

alacritty/src/config/ui_config.rs

@@ -19,6 +19,16 @@ pub struct UIConfig {
     pub mouse_bindings: Vec<MouseBinding>,
 }
 
+impl Default for UIConfig {
+    fn default() -> Self {
+        UIConfig {
+            mouse: Mouse::default(),
+            key_bindings: default_key_bindings(),
+            mouse_bindings: default_mouse_bindings(),
+        }
+    }
+}
+
 fn default_key_bindings() -> Vec<KeyBinding> {
     bindings::default_key_bindings()
 }

alacritty/src/main.rs

@@ -34,7 +34,7 @@ use std::sync::Arc;
 #[cfg(target_os = "macos")]
 use dirs;
 use glutin::event_loop::EventLoop as GlutinEventLoop;
-use log::{error, info};
+use log::info;
 #[cfg(windows)]
 use winapi::um::wincon::{AttachConsole, FreeConsole, ATTACH_PARENT_PROCESS};
 
@@ -85,18 +85,8 @@ fn main() {
         .expect("Unable to initialize logger");
 
     // Load configuration file
-    // If the file is a command line argument, we won't write a generated default file
+    let config_path = options.config_path().or_else(config::installed_config);
-    let config_path = options
+    let config = config_path.map(config::load_from).unwrap_or_else(Config::default);
-        .config_path()
-        .or_else(config::installed_config)
-        .or_else(|| config::write_defaults().ok())
-        .map(|path| path.to_path_buf());
-    let config = if let Some(path) = config_path {
-        config::load_from(path)
-    } else {
-        error!("Unable to write the default config");
-        Config::default()
-    };
     let config = options.into_config(config);
 
     // Update the log level from config

alacritty_terminal/src/config/mod.rs

@@ -18,7 +18,6 @@ use std::fmt::Display;
 use std::path::PathBuf;
 
 use log::error;
-use serde::de::DeserializeOwned;
 use serde::{Deserialize, Deserializer};
 use serde_yaml::Value;
 
@@ -39,15 +38,13 @@ pub use crate::config::visual_bell::{VisualBellAnimation, VisualBellConfig};
 pub use crate::config::window::{Decorations, Dimensions, StartupMode, WindowConfig, DEFAULT_NAME};
 use crate::term::color::Rgb;
 
-pub static DEFAULT_ALACRITTY_CONFIG: &str =
-    include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../alacritty.yml"));
 pub const LOG_TARGET_CONFIG: &str = "alacritty_config";
 const MAX_SCROLLBACK_LINES: u32 = 100_000;
 
 pub type MockConfig = Config<HashMap<String, serde_yaml::Value>>;
 
 /// Top-level config type
-#[derive(Debug, PartialEq, Deserialize)]
+#[derive(Debug, PartialEq, Default, Deserialize)]
 pub struct Config<T> {
     /// Pixel padding
     #[serde(default, deserialize_with = "failure_default")]
@@ -142,12 +139,6 @@ pub struct Config<T> {
     pub persistent_logging: Option<bool>,
 }
 
-impl<T: DeserializeOwned> Default for Config<T> {
-    fn default() -> Self {
-        serde_yaml::from_str(DEFAULT_ALACRITTY_CONFIG).expect("default config is invalid")
-    }
-}
-
 impl<T> Config<T> {
     pub fn tabspaces(&self) -> usize {
         self.tabspaces.0