Automatically detect workspace packages in uv add

crates/uv-cli/src/lib.rs

@@ -1749,10 +1749,6 @@ pub struct AddArgs {
     #[arg(long)]
     pub dev: bool,
 
-    /// Add the requirements as workspace dependencies.
-    #[arg(long)]
-    pub workspace: bool,
-
     /// Add the requirements as editables.
     #[arg(long, default_missing_value = "true", num_args(0..=1))]
     pub editable: Option<bool>,

crates/uv/src/commands/project/add.rs

@@ -25,7 +25,6 @@ use crate::settings::ResolverInstallerSettings;
 #[allow(clippy::too_many_arguments, clippy::fn_params_excessive_bools)]
 pub(crate) async fn add(
     requirements: Vec<RequirementsSource>,
-    workspace: bool,
     dev: bool,
     editable: Option<bool>,
     raw: bool,
@@ -145,6 +144,7 @@ pub(crate) async fn add(
             (pep508_rs::Requirement::from(req), None)
         } else {
             // Otherwise, try to construct the source.
+            let workspace = project.workspace().packages().contains_key(&req.name);
             let result = Source::from_requirement(
                 req.source.clone(),
                 workspace,

crates/uv/src/main.rs

@@ -719,7 +719,6 @@ async fn run() -> Result<ExitStatus> {
 
             commands::add(
                 args.requirements,
-                args.workspace,
                 args.dev,
                 args.editable,
                 args.raw,

crates/uv/src/settings.rs

@@ -432,7 +432,6 @@ impl LockSettings {
 pub(crate) struct AddSettings {
     pub(crate) requirements: Vec<RequirementsSource>,
     pub(crate) dev: bool,
-    pub(crate) workspace: bool,
     pub(crate) editable: Option<bool>,
     pub(crate) raw: bool,
     pub(crate) rev: Option<String>,
@@ -450,7 +449,6 @@ impl AddSettings {
         let AddArgs {
             requirements,
             dev,
-            workspace,
             editable,
             raw,
             rev,
@@ -469,7 +467,6 @@ impl AddSettings {
 
         Self {
             requirements,
-            workspace,
             dev,
             editable,
             raw,

crates/uv/tests/edit.rs

@@ -737,10 +737,7 @@ fn add_remove_workspace() -> Result<()> {
 
     let child1 = context.temp_dir.join("child1");
     let mut add_cmd = context.add(&["child2"]);
-    add_cmd
-        .arg("--preview")
-        .arg("--workspace")
-        .current_dir(&child1);
+    add_cmd.arg("--preview").current_dir(&child1);
 
     uv_snapshot!(context.filters(), add_cmd, @r###"
     success: true
@@ -919,7 +916,6 @@ fn add_workspace_editable() -> Result<()> {
     let mut add_cmd = context.add(&["child2"]);
     add_cmd
         .arg("--editable")
-        .arg("--workspace")
         .arg("--preview")
         .current_dir(&child1);