on connect

CHANGELOG.md

@@ -7,6 +7,8 @@ Added:
   cycling channels in the buffer and more! A new `keys` section has been added to the config file, reference the 
   [wiki](https://github.com/squidowl/halloy/wiki/Keyboard-shortcuts) for more details.
 - Single clicking on a user will insert nickname to input
+- Configuration option `on_connect` to execute commands once connected to a server, reference the 
+  [wiki](https://github.com/squidowl/halloy/wiki/Configuration#on-connect) for more details.
 
 Fixed:
 

data/src/client.rs

@@ -411,6 +411,15 @@ impl Client {
                 let nick = args.first()?;
                 self.resolved_nick = Some(nick.to_string());
 
+                // Loop on connect commands.
+                for command in self.config.on_connect.iter() {
+                    if let Ok(cmd) = crate::command::parse(command, None) {
+                        if let Ok(command) = proto::Command::try_from(cmd) {
+                            let _ = self.sender.try_send(command.into());
+                        };
+                    };
+                }
+
                 // Send nick password & ghost
                 if let Some(nick_pass) = self.config.nick_password.as_ref() {
                     // Try ghost recovery if we couldn't claim our nick

data/src/command.rs

@@ -57,7 +57,7 @@ pub enum Command {
     Unknown(String, Vec<String>),
 }
 
-pub fn parse(s: &str, buffer: &Buffer) -> Result<Command, Error> {
+pub fn parse(s: &str, buffer: Option<&Buffer>) -> Result<Command, Error> {
     let (head, rest) = s.split_once('/').ok_or(Error::MissingSlash)?;
     // Don't allow leading whitespace before slash
     if !head.is_empty() {
@@ -88,7 +88,7 @@ pub fn parse(s: &str, buffer: &Buffer) -> Result<Command, Error> {
                 validated::<2, 0, true>(args, |[target, msg], []| Command::Msg(target, msg))
             }
             Kind::Me => {
-                if let Some(target) = buffer.target() {
+                if let Some(target) = buffer.and_then(|b| b.target()) {
                     validated::<1, 0, true>(args, |[text], _| Command::Me(target, text))
                 } else {
                     Ok(unknown())

data/src/config/server.rs

@@ -62,6 +62,9 @@ pub struct Server {
     root_cert_path: Option<PathBuf>,
     /// Sasl authentication
     pub sasl: Option<Sasl>,
+    /// Commands which are executed once connected.
+    #[serde(default)]
+    pub on_connect: Vec<String>,
 }
 
 impl Server {

data/src/input.rs

@@ -6,7 +6,7 @@ use crate::user::NickRef;
 use crate::{command, message, Buffer, Command, Message, Server, User};
 
 pub fn parse(buffer: Buffer, input: &str) -> Result<Input, command::Error> {
-    let content = match command::parse(input, &buffer) {
+    let content = match command::parse(input, Some(&buffer)) {
         Ok(command) => Content::Command(command),
         Err(command::Error::MissingSlash) => Content::Text(input.to_string()),
         Err(error) => return Err(error),