Allow specifying startup command with -e, --command, or --

src/main.rs

@@ -92,6 +92,36 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         }
     };
 
+    let mut shell_program_opt = None;
+    let mut shell_args = Vec::new();
+    let mut parse_flags = true;
+    for arg in env::args().skip(1) {
+        if parse_flags {
+            match arg.as_str() {
+                // These flags indicate the end of parsing flags
+                "-e" | "--command" | "--" => {
+                    parse_flags = false;
+                }
+                _ => {
+                    //TODO: should this throw an error?
+                    log::warn!("ignored argument {:?}", arg);
+                }
+            }
+        } else if shell_program_opt.is_none() {
+            shell_program_opt = Some(arg);
+        } else {
+            shell_args.push(arg);
+        }
+    }
+
+    let startup_options = if let Some(shell_program) = shell_program_opt {
+        let mut options = tty::Options::default();
+        options.shell = Some(tty::Shell::new(shell_program, shell_args));
+        Some(options)
+    } else {
+        None
+    };
+
     let term_config = TermConfig::default();
     // Set up environmental variables for terminal
     tty::setup_env();
@@ -113,6 +143,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let flags = Flags {
         config_handler,
         config,
+        startup_options,
         term_config,
     };
     cosmic::app::run::<App>(settings, flags)?;
@@ -124,6 +155,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 pub struct Flags {
     config_handler: Option<cosmic_config::Config>,
     config: Config,
+    startup_options: Option<tty::Options>,
     term_config: TermConfig,
 }
 
@@ -232,6 +264,7 @@ pub struct App {
     find_search_id: widget::Id,
     find_search_value: String,
     term_event_tx_opt: Option<mpsc::Sender<(segmented_button::Entity, TermEvent)>>,
+    startup_options: Option<tty::Options>,
     term_config: TermConfig,
     show_advanced_font_settings: bool,
     modifiers: Modifiers,
@@ -357,7 +390,6 @@ impl App {
             self.config.dim_font_weight = Weight::NORMAL.0;
         }
 
-
         if !self
             .curr_font_weights
             .contains(&self.config.bold_font_weight)
@@ -688,6 +720,7 @@ impl Application for App {
             find: false,
             find_search_id: widget::Id::unique(),
             find_search_value: String::new(),
+            startup_options: flags.startup_options,
             term_config: flags.term_config,
             term_event_tx_opt: None,
             show_advanced_font_settings: false,
@@ -971,10 +1004,13 @@ impl Application for App {
                             .closable()
                             .activate()
                             .id();
+                        // Use the startup options, or defaults
+                        let options = self.startup_options.take().unwrap_or_default();
                         let mut terminal = Terminal::new(
                             entity,
                             term_event_tx.clone(),
                             self.term_config.clone(),
+                            options,
                             &self.config,
                             colors.clone(),
                         );

src/terminal.rs

@@ -154,6 +154,7 @@ impl Terminal {
         entity: segmented_button::Entity,
         event_tx: mpsc::Sender<(segmented_button::Entity, Event)>,
         config: Config,
+        options: Options,
         app_config: &AppConfig,
         colors: Colors,
     ) -> Self {
@@ -198,8 +199,6 @@ impl Terminal {
         )));
 
         let window_id = 0;
-        let options = Options::default();
-
         let pty = tty::new(&options, size.into(), window_id).unwrap();
 
         let pty_event_loop = EventLoop::new(term.clone(), event_proxy, pty, options.hold, false);

src/terminal_theme.rs

@@ -3,7 +3,7 @@ use alacritty_terminal::{
     vte::ansi::{NamedColor, Rgb},
 };
 
-use palette::{encoding::Srgb, rgb::Rgb as PRgb, Okhsl, FromColor, num::Abs};
+use palette::{encoding::Srgb, rgb::Rgb as PRgb, FromColor, Okhsl};
 use std::collections::HashMap;
 
 // Fill missing dim/bright colors with derived values from normal ones.
@@ -29,31 +29,28 @@ impl ColorDerive {
     }
 
     fn with_dim_lightness_adjustment(self, dim_lightness_adjustment: f32) -> Self {
-        Self { dim_lightness_adjustment, ..self }
+        Self {
+            dim_lightness_adjustment,
+            ..self
+        }
     }
 
     fn rgb_to_okhsl(c: Rgb) -> Okhsl {
-        let p_rgb = PRgb::<Srgb, u8>::new(c.r, c.g, c.b)
-            .into_format::<f32>();
+        let p_rgb = PRgb::<Srgb, u8>::new(c.r, c.g, c.b).into_format::<f32>();
         Okhsl::from_color(p_rgb)
     }
 
     fn okhsl_to_rgb(c: Okhsl) -> Rgb {
-        let p_rgb = PRgb::<Srgb, _>::from_color(c)
-            .into_format::<u8>();
+        let p_rgb = PRgb::<Srgb, _>::from_color(c).into_format::<u8>();
         let (r, g, b) = p_rgb.into_components();
-        Rgb{r, g, b}
+        Rgb { r, g, b }
     }
 
     fn color_adj(rgb: Rgb, saturation_adj: f32, lightness_adj: f32) -> Rgb {
         let mut okhsl = Self::rgb_to_okhsl(rgb);
 
-        okhsl.saturation = (okhsl.saturation + saturation_adj)
-            .max(0.0)
-            .min(1.0);
-        okhsl.lightness = (okhsl.lightness + lightness_adj)
-            .max(0.0)
-            .min(1.0);
+        okhsl.saturation = (okhsl.saturation + saturation_adj).max(0.0).min(1.0);
+        okhsl.lightness = (okhsl.lightness + lightness_adj).max(0.0).min(1.0);
 
         Self::okhsl_to_rgb(okhsl)
     }
@@ -86,7 +83,7 @@ impl ColorDerive {
             };
         }
 
-        populate!{ Foreground, Black, Red, Green, Yellow, Blue, Magenta, Cyan, White };
+        populate! { Foreground, Black, Red, Green, Yellow, Blue, Magenta, Cyan, White };
     }
 
     fn fill_missing_dims(&self, colors: &mut Colors) {
@@ -105,7 +102,7 @@ impl ColorDerive {
             };
         }
 
-        populate!{ Foreground, Black, Red, Green, Yellow, Blue, Magenta, Cyan, White };
+        populate! { Foreground, Black, Red, Green, Yellow, Blue, Magenta, Cyan, White };
     }
 }