Sort by name, then specifiers in uv add

crates/uv-workspace/src/pyproject_mut.rs

@@ -896,6 +896,19 @@ pub fn add_dependency(
 
     match to_replace.as_slice() {
         [] => {
+            /// Split a requirement into the package name and its dependency specifiers.
+            ///
+            /// E.g., given `flask>=1.0`, this function returns `("flask", ">=1.0")`. But given
+            /// `Flask>=1.0`, this function returns `("Flask", ">=1.0")`.
+            ///
+            /// Extras are retained, such that `flask[dotenv]>=1.0` returns `("flask[dotenv]", ">=1.0")`.
+            fn split_specifiers(req: &str) -> (&str, &str) {
+                req.find(|c: char| matches!(c, '>' | '<' | '=' | '~' | '!' | '@')).map_or_else(|| (req.trim(), ""), |pos| {
+                    let (name, specifiers) = req.split_at(pos);
+                    (name.trim(), specifiers.trim())
+                })
+            }
+
             #[derive(Debug, Copy, Clone)]
             enum Sort {
                 /// The list is sorted in a case-sensitive manner.
@@ -906,6 +919,7 @@ pub fn add_dependency(
                 Unsorted,
             }
 
+
             // Determine if the dependency list is sorted prior to
             // adding the new dependency; the new dependency list
             // will be sorted only when the original list is sorted
@@ -920,14 +934,13 @@ pub fn add_dependency(
                 .all(Value::is_str)
                 .then(|| {
                     if deps.iter().tuple_windows().all(|(a, b)| {
-                        a.as_str().map(str::to_lowercase) <= b.as_str().map(str::to_lowercase)
+                        a.as_str().map(str::to_lowercase).as_deref().map(split_specifiers)
+                            <= b.as_str().map(str::to_lowercase).as_deref().map(split_specifiers)
                     }) {
                         Some(Sort::CaseInsensitive)
-                    } else if deps
-                        .iter()
-                        .tuple_windows()
-                        .all(|(a, b)| a.as_str() <= b.as_str())
-                    {
+                    } else if deps.iter().tuple_windows().all(|(a, b)| {
+                        a.as_str().map(split_specifiers) <= b.as_str().map(split_specifiers)
+                    }) {
                         Some(Sort::CaseSensitive)
                     } else {
                         None

crates/uv/tests/it/edit.rs

@@ -5842,6 +5842,71 @@ fn case_sensitive_sorted_dependencies() -> Result<()> {
     Ok(())
 }
 
+/// Ensure that sorting is based on the name, rather than the combined name-and-specifiers.
+#[test]
+fn sorted_dependencies_name_specifiers() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(indoc! {r#"
+    [project]
+    name = "project"
+    version = "0.1.0"
+    description = "Add your description here"
+    requires-python = ">=3.12"
+    dependencies = [
+        "pylint>=3",
+        "pylint-module-boundaries>=1",
+    ]
+    "#})?;
+
+    uv_snapshot!(context.filters(), context.add().args(["typing-extensions", "anyio"]), @r###"
+    success: true
+    exit_code: 0
+    ----- stdout -----
+
+    ----- stderr -----
+    Resolved 14 packages in [TIME]
+    Prepared 12 packages in [TIME]
+    Installed 12 packages in [TIME]
+     + anyio==4.3.0
+     + astroid==3.1.0
+     + dill==0.3.8
+     + idna==3.6
+     + isort==5.13.2
+     + mccabe==0.7.0
+     + platformdirs==4.2.0
+     + pylint==3.1.0
+     + pylint-module-boundaries==1.3.1
+     + sniffio==1.3.1
+     + tomlkit==0.12.4
+     + typing-extensions==4.10.0
+    "###);
+
+    let pyproject_toml = context.read("pyproject.toml");
+
+    insta::with_settings!({
+        filters => context.filters(),
+    }, {
+        assert_snapshot!(
+            pyproject_toml, @r###"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        description = "Add your description here"
+        requires-python = ">=3.12"
+        dependencies = [
+            "anyio>=4.3.0",
+            "pylint>=3",
+            "pylint-module-boundaries>=1",
+            "typing-extensions>=4.10.0",
+        ]
+        "###
+        );
+    });
+    Ok(())
+}
+
 /// Ensure that the custom ordering of the dependencies is preserved
 /// after adding a package.
 #[test]