From 2c3f54ac0d398493616f6db53d10d0f1b1eb9b99 Mon Sep 17 00:00:00 2001
From: James Garbutt <43081j@users.noreply.github.com>
Date: Tue, 21 Apr 2026 14:21:18 +0100
Subject: [PATCH 1/2] feat: watch sources of dependencies

This changes the watch logic to watch sources of the chosen task's
dependencies as well as its own sources.

If you set `skip_deps`, we follow the old behaviour and only watch the
task's own sources.
---
 src/cli/watch.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/cli/watch.rs b/src/cli/watch.rs
index 69652b22ec..0dba7b0c4b 100644
--- a/src/cli/watch.rs
+++ b/src/cli/watch.rs
@@ -5,6 +5,7 @@ use crate::cmd;
 use crate::config::Config;
 use crate::env;
 use crate::exit::exit;
+use crate::task::Deps;
 use crate::toolset::ToolsetBuilder;
 use clap::{CommandFactory, ValueEnum, ValueHint};
 use console::style;
@@ -179,13 +180,18 @@ impl Watch {
             args.push("--watch-file".to_string());
             args.push(watch_file.to_string_lossy().to_string());
         }
-        let globs = if self.glob.is_empty() {
+        let globs = if !self.glob.is_empty() {
+            self.glob.clone()
+        } else if self.skip_deps {
             tasks
                 .iter()
                 .flat_map(|t| t.sources.clone())
                 .collect::<Vec<_>>()
         } else {
-            self.glob.clone()
+            let deps = Deps::new(&config, tasks.clone()).await?;
+            deps.all()
+                .flat_map(|t| t.sources.clone())
+                .collect::<Vec<_>>()
         };
         if !globs.is_empty() {
             args.push("-f".to_string());

From 5f169a64b2e3a23f015f77f5b812dd25dba0cf8a Mon Sep 17 00:00:00 2001
From: James Garbutt <43081j@users.noreply.github.com>
Date: Mon, 27 Apr 2026 19:20:26 +0100
Subject: [PATCH 2/2] perf: filter out duplicate tasks and clone iter instead
 of full vec

---
 src/cli/watch.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/cli/watch.rs b/src/cli/watch.rs
index 0dba7b0c4b..08377a3715 100644
--- a/src/cli/watch.rs
+++ b/src/cli/watch.rs
@@ -185,12 +185,14 @@ impl Watch {
         } else if self.skip_deps {
             tasks
                 .iter()
-                .flat_map(|t| t.sources.clone())
+                .flat_map(|t| t.sources.iter().cloned())
+                .unique()
                 .collect::<Vec<_>>()
         } else {
             let deps = Deps::new(&config, tasks.clone()).await?;
             deps.all()
-                .flat_map(|t| t.sources.clone())
+                .flat_map(|t| t.sources.iter().cloned())
+                .unique()
                 .collect::<Vec<_>>()
         };
         if !globs.is_empty() {