refactor: make main smaller

- extract logic in function in shell
- add default configuration + comments in config.toml
- make format! strings clearer

.config/config.toml

@@ -195,3 +195,11 @@ toggle_preview = "ctrl-o"
 
 # gitrepos channel
 "nvim" = "git-repos"
+
+[shell_integration.keybindings]
+# controls which key binding should trigger tv
+# for shell autocomplete
+"smart_autocomplete" = "ctrl-t"
+# controls which keybinding should trigger tv
+# for command history
+"command_history" = "ctrl-r"

television/config/mod.rs

@@ -15,7 +15,7 @@ use ui::UiConfig;
 
 mod keybindings;
 mod previewers;
-mod shell_integration;
+pub mod shell_integration;
 mod themes;
 mod ui;
 

television/main.rs

@@ -17,8 +17,9 @@ use television::cli::{
 };
 
 use television::config::Config;
+use television::utils::shell::render_autocomplete_script_template;
 use television::utils::{
-    shell::{completion_script, ctrl_keybinding, Shell},
+    shell::{completion_script, Shell},
     stdin::is_readable_stdin,
 };
 
@@ -43,27 +44,11 @@ async fn main() -> Result<()> {
                 // the completion scripts for the various shells are templated
                 // so that it's possible to override the keybindings triggering
                 // shell autocomplete and command history in tv
-                let templated_script = completion_script(target_shell)?;
-                let script = templated_script
-                    .replace(
-                        "{tv_smart_autocomplete_keybinding}",
-                        &ctrl_keybinding(
-                            target_shell,
-                            config
-                                .shell_integration
-                                .get_shell_autocomplete_keybinding_character(),
-                        )?,
-                    )
-                    .replace(
-                        "{tv_shell_history_keybinding}",
-                        &ctrl_keybinding(
-                            target_shell,
-                            config
-                                .shell_integration
-                                .get_command_history_keybinding_character(),
-                        )?,
-                    );
-
+                let script = render_autocomplete_script_template(
+                    target_shell,
+                    completion_script(target_shell)?,
+                    &config.shell_integration,
+                )?;
                 println!("{script}");
                 exit(0);
             }

television/utils/shell.rs

@@ -1,5 +1,5 @@
+use crate::config::shell_integration::ShellIntegrationConfig;
 use anyhow::Result;
-
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum Shell {
     Bash,
@@ -16,9 +16,9 @@ const COMPLETION_FISH: &str = include_str!("shell/completion.fish");
 // create the appropriate key binding for each supported shell
 pub fn ctrl_keybinding(shell: Shell, character: char) -> Result<String> {
     match shell {
-        Shell::Bash => Ok(format!(r"\C-{}", character)),
-        Shell::Zsh => Ok(format!(r"^{}", character)),
-        Shell::Fish => Ok(format!(r"\c{}", character)),
+        Shell::Bash => Ok(format!(r"\C-{character}")),
+        Shell::Zsh => Ok(format!(r"^{character}")),
+        Shell::Fish => Ok(format!(r"\c{character}")),
         _ => anyhow::bail!("This shell is not yet supported: {:?}", shell),
     }
 }
@@ -32,6 +32,29 @@ pub fn completion_script(shell: Shell) -> Result<&'static str> {
     }
 }
 
+pub fn render_autocomplete_script_template(
+    shell: Shell,
+    template: &str,
+    config: &ShellIntegrationConfig,
+) -> Result<String> {
+    let script = template
+        .replace(
+            "{tv_smart_autocomplete_keybinding}",
+            &ctrl_keybinding(
+                shell,
+                config.get_shell_autocomplete_keybinding_character(),
+            )?,
+        )
+        .replace(
+            "{tv_shell_history_keybinding}",
+            &ctrl_keybinding(
+                shell,
+                config.get_command_history_keybinding_character(),
+            )?,
+        );
+    Ok(script)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;