Only use shell

src/main.rs

@@ -6,7 +6,6 @@ mod command;
 mod event;
 mod ui;
 mod util;
-use anyhow::anyhow;
 use anyhow::bail;
 use anyhow::Context;
 use anyhow::Result;
@@ -23,7 +22,6 @@ use crossterm::event::KeyModifiers;
 use event::EventMessage;
 use parking_lot::RwLock;
 use ropey::Rope;
-use std::str::FromStr;
 use std::{
     io::{self, Write},
     sync::Arc,
@@ -81,6 +79,9 @@ pub struct CommandOptions {
 
     /// The position of the cursor
     cmdline_position: u16,
+
+    /// Command combined
+    combined_command: String,
 }
 
 /// The state of the application
@@ -105,52 +106,31 @@ pub struct App {
     render_states: RwLock<RenderStates>,
 }
 
-impl CommandOptions {
-    #[must_use]
-    pub fn from_template(template: &Template) -> Self {
-        let defaults = Self {
-            command: template.command(),
+impl Default for CommandOptions {
+    fn default() -> Self {
+        Self {
+            command: String::from("sh"),
             cmdline_position: 0_u16,
-            hidden_options: Vec::new(),
+            hidden_options: vec!["-c"],
             cmdline: String::new(),
             command_result: None,
             autorun: true,
-            wordsplit: true,
-        };
-
-        match template {
-            Template::Awk => Self { ..defaults },
-            Template::Sh(_) => Self {
-                hidden_options: vec!["-c"],
-                wordsplit: false,
-                ..defaults
-            },
-            Template::Jq => Self {
-                cmdline_position: 2,
-                cmdline: String::from("'.'"),
-                hidden_options: vec!["-C"],
-                ..defaults
-            },
-            Template::Grep | Template::Rg => Self {
-                cmdline_position: 1,
-                cmdline: String::from("''"),
-                hidden_options: vec!["--color=always"],
-                ..defaults
-            },
-            Template::Sed => Self {
-                cmdline_position: 3_u16,
-                cmdline: String::from("'s///g'"),
-                ..defaults
-            },
-            Template::Perl => Self {
-                cmdline_position: 9_u16,
-                cmdline: String::from("-p -e 's///'"),
-                ..defaults
-            },
+            wordsplit: false,
+            combined_command: String::new(),
         }
     }
 }
 
+impl CommandOptions {
+    pub fn append_command(&mut self) {
+        if !self.combined_command.is_empty() {
+            self.combined_command += " | ";
+        }
+
+        self.combined_command += self.cmdline.as_ref();
+    }
+}
+
 // impl App<'_> {
 impl App {
     /// Constructs a new instance of `App`
@@ -159,20 +139,18 @@ impl App {
     ///
     /// * `command_request_tx` - The sender for the command request worker
     /// * `input` - The stdin to be passed in to each invocation
-    /// * `template` - The template to use
     #[must_use]
-    pub fn from_template(
+    pub fn new(
         message_rx: Receiver<EventMessage>,
         command_request_tx: Sender<CommandRequest>,
         input: Option<String>,
-        template: &Template,
     ) -> Self {
         // let text_orig_rope = Rope::from_str(&input);
         let text_orig_rope = input.as_ref().map(|s| Rope::from_str(s));
         Self {
             text_orig: Arc::new(input),
             text_orig_rope,
-            command_options: Arc::new(RwLock::new(CommandOptions::from_template(template))),
+            command_options: Arc::new(RwLock::new(CommandOptions::default())),
             message_rx,
             command_request_tx,
             render_states: RwLock::new(RenderStates::default()),
@@ -191,47 +169,6 @@ impl App {
     }
 }
 
-pub enum Template {
-    Sh(String),
-    Jq,
-    Grep,
-    Rg,
-    Sed,
-    Awk,
-    Perl,
-}
-
-impl FromStr for Template {
-    type Err = anyhow::Error;
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s.to_lowercase().trim() {
-            "jq" => Ok(Self::Jq),
-            "grep" => Ok(Self::Grep),
-            "rg" => Ok(Self::Rg),
-            "sed" => Ok(Self::Sed),
-            "awk" => Ok(Self::Awk),
-            "perl" => Ok(Self::Perl),
-            s @ ("sh" | "bash" | "zsh" | "dash") => Ok(Self::Sh(s.to_string())),
-            e => Err(anyhow!("{e} is not a supported command")),
-        }
-    }
-}
-
-impl Template {
-    #[must_use]
-    pub fn command(&self) -> String {
-        match self {
-            Self::Sh(s) => s.to_string(),
-            Self::Jq => String::from("jq"),
-            Self::Grep => String::from("grep"),
-            Self::Rg => String::from("rg"),
-            Self::Sed => String::from("sed"),
-            Self::Awk => String::from("awk"),
-            Self::Perl => String::from("perl"),
-        }
-    }
-}
-
 fn main() -> Result<()> {
     #[cfg(debug_assertions)]
     enable_tracing();
@@ -254,12 +191,7 @@ fn main() -> Result<()> {
     let (message_rx, command_request_tx) = init_message_passing();
 
     // Run the actual application
-    let app = App::from_template(
-        message_rx,
-        command_request_tx,
-        text_orig,
-        &Template::from_str(&args.command)?,
-    );
+    let app = App::new(message_rx, command_request_tx, text_orig);
     enable_raw_mode()?;
     let mut stdout = io::stdout();
     execute!(
@@ -350,6 +282,10 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> Result<Optio
                         modifiers: KeyModifiers::CONTROL,
                         ..
                     }) => {
+                        if command_options.command_result.is_some() {
+                            command_options.append_command();
+                        }
+
                         // Move stdout to stdin
                         if let Some(result) = &command_options.command_result {
                             app.text_orig = Arc::new(Some(result.stdout.to_string()));
@@ -405,10 +341,10 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> Result<Optio
                             command_options.cmdline_position = 0_u16;
                         }
                         KeyCode::Enter => {
-                            return Ok(Some(format!(
-                                "{} {}",
-                                command_options.command, command_options.cmdline
-                            )));
+                            if command_options.command_result.is_some() {
+                                command_options.append_command();
+                            }
+                            return Ok(Some(command_options.combined_command.to_string()));
                         }
                         KeyCode::Left => {
                             command_options.cmdline_position =