feat: yazi --debug supports detecting whether tmux is built with --enable-sixel (#1762)

yazi-adapter/src/emulator.rs

@@ -7,7 +7,7 @@ use tokio::{io::{AsyncReadExt, BufReader}, time::timeout};
 use tracing::{error, warn};
 use yazi_shared::env_exists;
 
-use crate::{Adapter, TMUX, tcsi};
+use crate::{Adapter, Mux, TMUX};
 
 #[derive(Clone, Debug)]
 pub enum Emulator {
@@ -103,24 +103,11 @@ impl Emulator {
 	}
 
 	pub fn via_env() -> (String, String) {
-		fn tmux_env(name: &str) -> Option<String> {
-			String::from_utf8_lossy(
-				&std::process::Command::new("tmux").args(["show-environment", name]).output().ok()?.stdout,
-			)
-			.trim()
-			.strip_prefix(&format!("{name}="))
-			.map(ToOwned::to_owned)
-		}
-
-		let mut term = std::env::var("TERM").unwrap_or_default();
-		let mut program = std::env::var("TERM_PROGRAM").unwrap_or_default();
-
-		if *TMUX {
-			term = tmux_env("TERM").unwrap_or(term);
-			program = tmux_env("TERM_PROGRAM").unwrap_or(program);
-		}
-
-		(term, program)
+		let (term, program) = Mux::term_program();
+		(
+			term.unwrap_or(std::env::var("TERM").unwrap_or_default()),
+			program.unwrap_or(std::env::var("TERM_PROGRAM").unwrap_or_default()),
+		)
 	}
 
 	pub fn via_csi() -> Result<Self> {
@@ -130,7 +117,7 @@ impl Emulator {
 		execute!(
 			LineWriter::new(stderr()),
 			SavePosition,
-			Print(tcsi("\x1b[>q\x1b_Gi=31,s=1,v=1,a=q,t=d,f=24;AAAA\x1b\\\x1b[c")),
+			Print(Mux::csi("\x1b[>q\x1b_Gi=31,s=1,v=1,a=q,t=d,f=24;AAAA\x1b\\\x1b[c")),
 			RestorePosition
 		)?;
 

yazi-adapter/src/lib.rs

@@ -8,6 +8,7 @@ mod iip;
 mod image;
 mod kgp;
 mod kgp_old;
+mod mux;
 mod sixel;
 mod ueberzug;
 
@@ -18,6 +19,7 @@ pub use emulator::*;
 use iip::*;
 use kgp::*;
 use kgp_old::*;
+pub use mux::*;
 use sixel::*;
 use ueberzug::*;
 use yazi_shared::{RoCell, env_exists, in_wsl};
@@ -63,16 +65,3 @@ pub fn init() {
 	ADAPTOR.init(Adapter::matches());
 	ADAPTOR.start();
 }
-
-pub fn tcsi(s: &str) -> std::borrow::Cow<str> {
-	if *TMUX {
-		std::borrow::Cow::Owned(format!(
-			"{}{}{}",
-			*START,
-			s.trim_start_matches('\x1b').replace('\x1b', *ESCAPE),
-			*CLOSE
-		))
-	} else {
-		std::borrow::Cow::Borrowed(s)
-	}
-}

yazi-adapter/src/mux.rs

@@ -0,0 +1,56 @@
+use crate::{CLOSE, ESCAPE, START, TMUX};
+
+pub struct Mux;
+
+impl Mux {
+	pub fn csi(s: &str) -> std::borrow::Cow<str> {
+		if *TMUX {
+			std::borrow::Cow::Owned(format!(
+				"{}{}{}",
+				*START,
+				s.trim_start_matches('\x1b').replace('\x1b', *ESCAPE),
+				*CLOSE
+			))
+		} else {
+			std::borrow::Cow::Borrowed(s)
+		}
+	}
+
+	pub fn tmux_sixel_flag() -> &'static str {
+		let stdout = std::process::Command::new("tmux")
+			.args(["-LwU0dju1is5", "-f/dev/null", "start", ";", "display", "-p", "#{sixel_support}"])
+			.output()
+			.ok()
+			.and_then(|o| String::from_utf8(o.stdout).ok())
+			.unwrap_or_default();
+
+		match stdout.trim() {
+			"1" => "Supported",
+			"0" => "Unsupported",
+			_ => "Unknown",
+		}
+	}
+
+	pub(super) fn term_program() -> (Option<String>, Option<String>) {
+		let (mut term, mut program) = (None, None);
+		if !*TMUX {
+			return (term, program);
+		}
+		let Ok(output) = std::process::Command::new("tmux").arg("show-environment").output() else {
+			return (term, program);
+		};
+		for line in String::from_utf8_lossy(&output.stdout).lines() {
+			if let Some((k, v)) = line.trim().split_once('=') {
+				match k {
+					"TERM" => term = Some(v.to_owned()),
+					"TERM_PROGRAM" => program = Some(v.to_owned()),
+					_ => continue,
+				}
+			}
+			if term.is_some() && program.is_some() {
+				break;
+			}
+		}
+		(term, program)
+	}
+}

yazi-boot/src/actions/debug.rs

@@ -1,6 +1,7 @@
 use std::{env, ffi::OsStr, fmt::Write};
 
 use regex::Regex;
+use yazi_adapter::Mux;
 use yazi_shared::Xdg;
 
 use super::Actions;
@@ -51,14 +52,24 @@ impl Actions {
 		writeln!(s, "\nText Opener")?;
 		writeln!(
 			s,
-			"    default: {:?}",
+			"    default     : {:?}",
 			yazi_config::OPEN.openers("f75a.txt", "text/plain").and_then(|a| a.first().cloned())
 		)?;
-		writeln!(s, "    block  : {:?}", yazi_config::OPEN.block_opener("bulk.txt", "text/plain"))?;
+		writeln!(
+			s,
+			"    block-create: {:?}",
+			yazi_config::OPEN.block_opener("bulk-create.txt", "text/plain")
+		)?;
+		writeln!(
+			s,
+			"    block-rename: {:?}",
+			yazi_config::OPEN.block_opener("bulk-rename.txt", "text/plain")
+		)?;
 
 		writeln!(s, "\nMultiplexers")?;
 		writeln!(s, "    TMUX               : {:?}", *yazi_adapter::TMUX)?;
 		writeln!(s, "    tmux version       : {}", Self::process_output("tmux", "-V"))?;
+		writeln!(s, "    tmux build flags   : enable-sixel={}", Mux::tmux_sixel_flag())?;
 		writeln!(s, "    ZELLIJ_SESSION_NAME: {:?}", env::var_os("ZELLIJ_SESSION_NAME"))?;
 		writeln!(s, "    Zellij version     : {}", Self::process_output("zellij", "--version"))?;
 

yazi-core/src/manager/commands/bulk_rename.rs

@@ -12,7 +12,7 @@ use crate::manager::Manager;
 
 impl Manager {
 	pub(super) fn bulk_rename(&self) {
-		let Some(opener) = OPEN.block_opener("bulk.txt", "text/plain") else {
+		let Some(opener) = OPEN.block_opener("bulk-rename.txt", "text/plain") else {
 			return AppProxy::notify_warn("Bulk rename", "No text opener found");
 		};
 

yazi-fm/src/term.rs

@@ -4,7 +4,7 @@ use anyhow::Result;
 use crossterm::{event::{DisableBracketedPaste, EnableBracketedPaste, KeyboardEnhancementFlags, PopKeyboardEnhancementFlags, PushKeyboardEnhancementFlags}, execute, queue, style::Print, terminal::{EnterAlternateScreen, LeaveAlternateScreen, SetTitle, disable_raw_mode, enable_raw_mode}};
 use cursor::RestoreCursor;
 use ratatui::{CompletedFrame, Frame, Terminal, backend::CrosstermBackend, buffer::Buffer, layout::Rect};
-use yazi_adapter::{Emulator, tcsi};
+use yazi_adapter::{Emulator, Mux};
 use yazi_config::{INPUT, MANAGER};
 
 static CSI_U: AtomicBool = AtomicBool::new(false);
@@ -28,9 +28,9 @@ impl Term {
 		enable_raw_mode()?;
 		execute!(
 			BufWriter::new(stderr()),
-			Print(tcsi("\x1b[?12$p")),      // Request cursor blink status (DECSET)
-			Print(tcsi("\x1bP$q q\x1b\\")), // Request cursor shape (DECRQM)
-			Print(tcsi("\x1b[?u\x1b[c")),   // Request keyboard enhancement flags (CSI u)
+			Print(Mux::csi("\x1b[?12$p")), // Request cursor blink status (DECSET)
+			Print(Mux::csi("\x1bP$q q\x1b\\")), // Request cursor shape (DECRQM)
+			Print(Mux::csi("\x1b[?u\x1b[c")), // Request keyboard enhancement flags (CSI u)
 			EnterAlternateScreen,
 			EnableBracketedPaste,
 			mouse::SetMouse(true),