1 files changed, 0 insertions, 170 deletions
diff --git a/cli/src/watch.rs b/cli/src/watch.rs
deleted file mode 100644
index 2ad73f85..00000000
--- a/cli/src/watch.rs
+++ /dev/null
@@ -1,170 +0,0 @@
-use std::collections::HashSet;
-use std::io::{self, IsTerminal, Write};
-use std::path::{Path, PathBuf};
-
-use codespan_reporting::term::{self, termcolor};
-use notify::{RecommendedWatcher, RecursiveMode, Watcher};
-use same_file::is_same_file;
-use termcolor::WriteColor;
-use typst::diag::StrResult;
-use typst::eval::eco_format;
-
-use crate::args::CompileCommand;
-use crate::color_stream;
-use crate::compile::compile_once;
-use crate::world::SystemWorld;
-
-/// Execute a watching compilation command.
-pub fn watch(mut command: CompileCommand) -> StrResult<()> {
-    // Create the world that serves sources, files, and fonts.
-    let mut world = SystemWorld::new(&command)?;
-
-    // Perform initial compilation.
-    compile_once(&mut world, &mut command, true)?;
-
-    // Setup file watching.
-    let (tx, rx) = std::sync::mpsc::channel();
-    let mut watcher = RecommendedWatcher::new(tx, notify::Config::default())
-        .map_err(|_| "failed to setup file watching")?;
-
-    // Watch all the files that are used by the input file and its dependencies.
-    watch_dependencies(&mut world, &mut watcher, HashSet::new())?;
-
-    // Handle events.
-    let timeout = std::time::Duration::from_millis(100);
-    let output = command.output();
-    loop {
-        let mut recompile = false;
-        for event in rx
-            .recv()
-            .into_iter()
-            .chain(std::iter::from_fn(|| rx.recv_timeout(timeout).ok()))
-        {
-            let event = event.map_err(|_| "failed to watch directory")?;
-            recompile |= is_event_relevant(&event, &output);
-        }
-
-        if recompile {
-            // Retrieve the dependencies of the last compilation.
-            let previous: HashSet<PathBuf> =
-                world.dependencies().map(ToOwned::to_owned).collect();
-
-            // Recompile.
-            compile_once(&mut world, &mut command, true)?;
-            comemo::evict(10);
-
-            // Adjust the watching.
-            watch_dependencies(&mut world, &mut watcher, previous)?;
-        }
-    }
-}
-
-/// Adjust the file watching. Watches all new dependencies and unwatches
-/// all `previous` dependencies that are not relevant anymore.
-#[tracing::instrument(skip_all)]
-fn watch_dependencies(
-    world: &mut SystemWorld,
-    watcher: &mut dyn Watcher,
-    mut previous: HashSet<PathBuf>,
-) -> StrResult<()> {
-    // Watch new paths that weren't watched yet.
-    for path in world.dependencies() {
-        let watched = previous.remove(path);
-        if path.exists() && !watched {
-            tracing::info!("Watching {}", path.display());
-            watcher
-                .watch(path, RecursiveMode::NonRecursive)
-                .map_err(|_| eco_format!("failed to watch {path:?}"))?;
-        }
-    }
-
-    // Unwatch old paths that don't need to be watched anymore.
-    for path in previous {
-        tracing::info!("Unwatching {}", path.display());
-        watcher.unwatch(&path).ok();
-    }
-
-    Ok(())
-}
-
-/// Whether a watch event is relevant for compilation.
-fn is_event_relevant(event: &notify::Event, output: &Path) -> bool {
-    // Never recompile because the output file changed.
-    if event
-        .paths
-        .iter()
-        .all(|path| is_same_file(path, output).unwrap_or(false))
-    {
-        return false;
-    }
-
-    match &event.kind {
-        notify::EventKind::Any => true,
-        notify::EventKind::Access(_) => false,
-        notify::EventKind::Create(_) => true,
-        notify::EventKind::Modify(kind) => match kind {
-            notify::event::ModifyKind::Any => true,
-            notify::event::ModifyKind::Data(_) => true,
-            notify::event::ModifyKind::Metadata(_) => false,
-            notify::event::ModifyKind::Name(_) => true,
-            notify::event::ModifyKind::Other => false,
-        },
-        notify::EventKind::Remove(_) => true,
-        notify::EventKind::Other => false,
-    }
-}
-
-/// The status in which the watcher can be.
-pub enum Status {
-    Compiling,
-    Success(std::time::Duration),
-    Error,
-}
-
-impl Status {
-    /// Clear the terminal and render the status message.
-    pub fn print(&self, command: &CompileCommand) -> io::Result<()> {
-        let output = command.output();
-        let timestamp = chrono::offset::Local::now().format("%H:%M:%S");
-        let color = self.color();
-
-        let mut w = color_stream();
-        if std::io::stderr().is_terminal() {
-            // Clear the terminal.
-            let esc = 27 as char;
-            write!(w, "{esc}c{esc}[1;1H")?;
-        }
-
-        w.set_color(&color)?;
-        write!(w, "watching")?;
-        w.reset()?;
-        writeln!(w, " {}", command.input.display())?;
-
-        w.set_color(&color)?;
-        write!(w, "writing to")?;
-        w.reset()?;
-        writeln!(w, " {}", output.display())?;
-
-        writeln!(w)?;
-        writeln!(w, "[{timestamp}] {}", self.message())?;
-        writeln!(w)?;
-
-        w.flush()
-    }
-
-    fn message(&self) -> String {
-        match self {
-            Self::Compiling => "compiling ...".into(),
-            Self::Success(duration) => format!("compiled successfully in {duration:.2?}"),
-            Self::Error => "compiled with errors".into(),
-        }
-    }
-
-    fn color(&self) -> termcolor::ColorSpec {
-        let styles = term::Styles::default();
-        match self {
-            Self::Error => styles.header_error,
-            _ => styles.header_note,
-        }
-    }
-}