Make --directory a global argument (#5579)

## Summary

Cargo makes this global (and uses the same technique). It's still hidden
so we can always decide to remove it.

crates/uv-cli/src/lib.rs

@@ -164,6 +164,10 @@ pub struct GlobalArgs {
     /// Hides all progress outputs when set
     #[arg(global = true, long)]
     pub no_progress: bool,
+
+    /// Change to the given directory prior to running the command.
+    #[arg(global = true, long, hide = true)]
+    pub directory: Option<PathBuf>,
 }
 
 #[derive(Debug, Copy, Clone, clap::ValueEnum)]
@@ -1932,10 +1936,6 @@ pub struct RunArgs {
     /// - `/home/ferris/.local/bin/python3.10` uses the exact Python at the given path.
     #[arg(long, short, env = "UV_PYTHON", verbatim_doc_comment)]
     pub python: Option<String>,
-
-    /// The path to the project. Defaults to the current working directory.
-    #[arg(long, hide = true)]
-    pub directory: Option<PathBuf>,
 }
 
 #[derive(Args)]
@@ -2000,10 +2000,6 @@ pub struct SyncArgs {
     /// - `/home/ferris/.local/bin/python3.10` uses the exact Python at the given path.
     #[arg(long, short, env = "UV_PYTHON", verbatim_doc_comment)]
     pub python: Option<String>,
-
-    /// The path to the project. Defaults to the current working directory.
-    #[arg(long, hide = true)]
-    pub directory: Option<PathBuf>,
 }
 
 #[derive(Args)]
@@ -2039,10 +2035,6 @@ pub struct LockArgs {
     /// - `/home/ferris/.local/bin/python3.10` uses the exact Python at the given path.
     #[arg(long, short, env = "UV_PYTHON", verbatim_doc_comment)]
     pub python: Option<String>,
-
-    /// The path to the project. Defaults to the current working directory.
-    #[arg(long, hide = true)]
-    pub directory: Option<PathBuf>,
 }
 
 #[derive(Args)]

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

@@ -2,7 +2,6 @@
 
 use std::collections::BTreeSet;
 use std::fmt::Write;
-use std::path::PathBuf;
 
 use anstream::eprint;
 use owo_colors::OwoColorize;
@@ -17,7 +16,7 @@ use uv_client::{Connectivity, FlatIndexClient, RegistryClientBuilder};
 use uv_configuration::{Concurrency, ExtrasSpecification, PreviewMode, Reinstall, SetupPyStrategy};
 use uv_dispatch::BuildDispatch;
 use uv_distribution::DEV_DEPENDENCIES;
-use uv_fs::{Simplified, CWD};
+use uv_fs::CWD;
 use uv_git::ResolvedRepositoryReference;
 use uv_normalize::PackageName;
 use uv_python::{Interpreter, PythonFetch, PythonPreference, PythonRequest};
@@ -49,7 +48,6 @@ pub(crate) async fn lock(
     frozen: bool,
     python: Option<String>,
     settings: ResolverSettings,
-    directory: Option<PathBuf>,
     preview: PreviewMode,
     python_preference: PythonPreference,
     python_fetch: PythonFetch,
@@ -63,14 +61,8 @@ pub(crate) async fn lock(
         warn_user_once!("`uv lock` is experimental and may change without warning");
     }
 
-    let directory = if let Some(directory) = directory {
-        directory.simple_canonicalize()?
-    } else {
-        CWD.to_path_buf()
-    };
-
     // Find the project requirements.
-    let workspace = Workspace::discover(&directory, &DiscoveryOptions::default()).await?;
+    let workspace = Workspace::discover(&CWD, &DiscoveryOptions::default()).await?;
 
     // Find an interpreter for the project
     let interpreter = FoundInterpreter::discover(

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

@@ -44,7 +44,6 @@ pub(crate) async fn run(
     extras: ExtrasSpecification,
     dev: bool,
     python: Option<String>,
-    directory: Option<PathBuf>,
     settings: ResolverInstallerSettings,
     isolated: bool,
     preview: PreviewMode,
@@ -90,12 +89,6 @@ pub(crate) async fn run(
 
     let reporter = PythonDownloadReporter::single(printer);
 
-    let directory = if let Some(directory) = directory {
-        directory.simple_canonicalize()?
-    } else {
-        CWD.to_path_buf()
-    };
-
     // Determine whether the command to execute is a PEP 723 script.
     let script_interpreter = if let RunCommand::Python(target, _) = &command {
         if let Some(metadata) = uv_scripts::read_pep723_metadata(&target).await? {
@@ -109,7 +102,7 @@ pub(crate) async fn run(
             let python_request = if let Some(request) = python.as_deref() {
                 Some(PythonRequest::parse(request))
                 // (2) Request from `.python-version`
-            } else if let Some(request) = request_from_version_file(&directory).await? {
+            } else if let Some(request) = request_from_version_file(&CWD).await? {
                 Some(request)
                 // (3) `Requires-Python` in `pyproject.toml`
             } else {
@@ -174,13 +167,13 @@ pub(crate) async fn run(
             // We need a workspace, but we don't need to have a current package, we can be e.g. in
             // the root of a virtual workspace and then switch into the selected package.
             Some(VirtualProject::Project(
-                Workspace::discover(&directory, &DiscoveryOptions::default())
+                Workspace::discover(&CWD, &DiscoveryOptions::default())
                     .await?
                     .with_current_project(package.clone())
                     .with_context(|| format!("Package `{package}` not found in workspace"))?,
             ))
         } else {
-            match VirtualProject::discover(&directory, &DiscoveryOptions::default()).await {
+            match VirtualProject::discover(&CWD, &DiscoveryOptions::default()).await {
                 Ok(project) => Some(project),
                 Err(WorkspaceError::MissingPyprojectToml) => None,
                 Err(WorkspaceError::NonWorkspace(_)) => None,

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

@@ -1,5 +1,3 @@
-use std::path::PathBuf;
-
 use anyhow::Result;
 
 use uv_auth::store_credentials_from_url;
@@ -10,7 +8,7 @@ use uv_configuration::{
 };
 use uv_dispatch::BuildDispatch;
 use uv_distribution::DEV_DEPENDENCIES;
-use uv_fs::{Simplified, CWD};
+use uv_fs::CWD;
 use uv_installer::SitePackages;
 use uv_python::{PythonEnvironment, PythonFetch, PythonPreference, PythonRequest};
 use uv_resolver::{FlatIndex, Lock};
@@ -37,7 +35,6 @@ pub(crate) async fn sync(
     python_preference: PythonPreference,
     python_fetch: PythonFetch,
     settings: ResolverInstallerSettings,
-    directory: Option<PathBuf>,
     preview: PreviewMode,
     connectivity: Connectivity,
     concurrency: Concurrency,
@@ -49,14 +46,8 @@ pub(crate) async fn sync(
         warn_user_once!("`uv sync` is experimental and may change without warning");
     }
 
-    let directory = if let Some(directory) = directory {
-        directory.simple_canonicalize()?
-    } else {
-        CWD.to_path_buf()
-    };
-
     // Identify the project
-    let project = VirtualProject::discover(&directory, &DiscoveryOptions::default()).await?;
+    let project = VirtualProject::discover(&CWD, &DiscoveryOptions::default()).await?;
 
     // Discover or create the virtual environment.
     let venv = project::get_or_init_environment(

crates/uv/src/lib.rs

@@ -62,6 +62,11 @@ async fn run(cli: Cli) -> Result<ExitStatus> {
         uv_warnings::enable();
     }
 
+    // Switch directories as early as possible.
+    if let Some(directory) = cli.global_args.directory.as_ref() {
+        std::env::set_current_dir(directory)?;
+    }
+
     // Load configuration from the filesystem, prioritizing (in order):
     // 1. The configuration file specified on the command-line.
     // 2. The configuration file in the current workspace (i.e., the `pyproject.toml` or `uv.toml`
@@ -915,7 +920,6 @@ async fn run_project(
                 args.extras,
                 args.dev,
                 args.python,
-                args.directory,
                 args.settings,
                 globals.isolated,
                 globals.preview,
@@ -949,7 +953,6 @@ async fn run_project(
                 globals.python_preference,
                 globals.python_fetch,
                 args.settings,
-                args.directory,
                 globals.preview,
                 globals.connectivity,
                 Concurrency::default(),
@@ -972,7 +975,6 @@ async fn run_project(
                 args.frozen,
                 args.python,
                 args.settings,
-                args.directory,
                 globals.preview,
                 globals.python_preference,
                 globals.python_fetch,

crates/uv/src/settings.rs

@@ -193,7 +193,6 @@ pub(crate) struct RunSettings {
     pub(crate) with_requirements: Vec<PathBuf>,
     pub(crate) package: Option<PackageName>,
     pub(crate) python: Option<String>,
-    pub(crate) directory: Option<PathBuf>,
     pub(crate) refresh: Refresh,
     pub(crate) settings: ResolverInstallerSettings,
 }
@@ -218,7 +217,6 @@ impl RunSettings {
             refresh,
             package,
             python,
-            directory,
         } = args;
 
         Self {
@@ -237,7 +235,6 @@ impl RunSettings {
                 .collect(),
             package,
             python,
-            directory,
             refresh: Refresh::from(refresh),
             settings: ResolverInstallerSettings::combine(
                 resolver_installer_options(installer, build),
@@ -530,7 +527,6 @@ pub(crate) struct SyncSettings {
     pub(crate) python: Option<String>,
     pub(crate) refresh: Refresh,
     pub(crate) settings: ResolverInstallerSettings,
-    pub(crate) directory: Option<PathBuf>,
 }
 
 impl SyncSettings {
@@ -550,7 +546,6 @@ impl SyncSettings {
             build,
             refresh,
             python,
-            directory,
         } = args;
 
         let modifications = if no_clean {
@@ -574,7 +569,6 @@ impl SyncSettings {
                 resolver_installer_options(installer, build),
                 filesystem,
             ),
-            directory,
         }
     }
 }
@@ -588,7 +582,6 @@ pub(crate) struct LockSettings {
     pub(crate) python: Option<String>,
     pub(crate) refresh: Refresh,
     pub(crate) settings: ResolverSettings,
-    pub(crate) directory: Option<PathBuf>,
 }
 
 impl LockSettings {
@@ -602,7 +595,6 @@ impl LockSettings {
             build,
             refresh,
             python,
-            directory,
         } = args;
 
         Self {
@@ -611,7 +603,6 @@ impl LockSettings {
             python,
             refresh: Refresh::from(refresh),
             settings: ResolverSettings::combine(resolver_options(resolver, build), filesystem),
-            directory,
         }
     }
 }

crates/uv/tests/run.rs

@@ -865,17 +865,15 @@ fn run_from_directory() -> Result<()> {
         .arg("project")
         .arg("main");
 
-    let mut filters = context.filters();
-    filters.push((r"project(\\|/).venv", "[VENV]"));
-    uv_snapshot!(filters, command_with_args, @r###"
+    uv_snapshot!(context.filters(), command_with_args, @r###"
     success: true
     exit_code: 0
     ----- stdout -----
     3.12.[X]
 
     ----- stderr -----
     Using Python 3.12.[X] interpreter at: [PYTHON-3.12]
-    Creating virtualenv at: [VENV]
+    Creating virtualenv at: .venv
     Resolved 1 package in [TIME]
     Prepared 1 package in [TIME]
     Installed 1 package in [TIME]