Refactor

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

crates/uv/src/commands/tool/list.rs

@@ -39,12 +39,8 @@ pub(crate) async fn list(
         return Ok(ExitStatus::Success);
     }
 
-    writeln!(
-        printer.stdout(),
-        "Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.\n\n\
-        The following tools are already installed:\n"
-    )?;
-
+    // Create a string buffer and aggregate the tools with their versions, and entry points
+    let mut buffer = String::new();
     for (name, tool) in tools {
         // Skip invalid tools
         let Ok(tool) = tool else {
@@ -79,14 +75,14 @@ pub(crate) async fn list(
 
         if show_paths {
             writeln!(
-                printer.stdout(),
+                buffer,
                 "{} ({})",
                 format!("{name} v{version}{version_specifier}").bold(),
                 installed_tools.tool_dir(&name).simplified_display().cyan(),
             )?;
         } else {
             writeln!(
-                printer.stdout(),
+                buffer,
                 "{}",
                 format!("{name} v{version}{version_specifier}").bold()
             )?;
@@ -96,17 +92,26 @@ pub(crate) async fn list(
         for entrypoint in tool.entrypoints() {
             if show_paths {
                 writeln!(
-                    printer.stdout(),
+                    buffer,
                     "- {} ({})",
                     entrypoint.name,
                     entrypoint.install_path.simplified_display().cyan()
                 )?;
             } else {
-                writeln!(printer.stdout(), "- {}", entrypoint.name)?;
+                writeln!(buffer, "- {}", entrypoint.name)?;
             }
         }
     }
 
-    writeln!(printer.stdout(), "\nSee `uvx --help` for more information.")?;
+    if buffer.is_empty() {
+        writeln!(printer.stderr(), "{no_tools_installed_msg}")?;
+        return Ok(ExitStatus::Success);
+    }
+
+    writeln!(
+        printer.stdout(),
+        "The following tools are already installed:\n"
+    )?;
+    writeln!(printer.stdout(), "{buffer}")?;
     Ok(ExitStatus::Success)
 }

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

@@ -81,7 +81,17 @@ pub(crate) async fn run(
 ) -> anyhow::Result<ExitStatus> {
     // treat empty command as `uv tool list`
     let Some(command) = command else {
-        return tool_list(false, false, &cache, printer).await;
+        writeln!(
+            printer.stdout(),
+            "Provide a command to invoke with `{invocation_source} <command>` \
+            or `{invocation_source} --from <package> <command>`.\n"
+        )?;
+        let result = tool_list(false, false, &cache, printer).await;
+        writeln!(
+            printer.stdout(),
+            "See `{invocation_source} --help` for more information."
+        )?;
+        return result;
     };
 
     let (target, args) = command.split();

crates/uv/tests/tool_list.rs

@@ -30,15 +30,12 @@ fn tool_list() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     black v24.2.0
     - black
     - blackd
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     "###);
@@ -65,15 +62,12 @@ fn tool_list_paths() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     black v24.2.0 ([TEMP_DIR]/tools/black)
     - black ([TEMP_DIR]/bin/black)
     - blackd ([TEMP_DIR]/bin/blackd)
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     "###);
@@ -122,15 +116,12 @@ fn tool_list_missing_receipt() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
-    The following tools are already installed:
-
-
-    See `uvx --help` for more information.
 
     ----- stderr -----
     warning: Ignoring malformed tool `black` (run `uv tool uninstall black` to remove)
+    No tools installed.
+
+    See `uv tool install --help` for more information.
     "###);
 }
 
@@ -175,14 +166,11 @@ fn tool_list_bad_environment() -> Result<()> {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     ruff v0.3.4
     - ruff
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     Invalid environment at `tools/black`: missing Python executable at `tools/black/[BIN]/python`
@@ -244,15 +232,12 @@ fn tool_list_deprecated() -> Result<()> {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     black v24.2.0
     - black
     - blackd
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     "###);
@@ -277,15 +262,12 @@ fn tool_list_deprecated() -> Result<()> {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
-    The following tools are already installed:
-
-
-    See `uvx --help` for more information.
 
     ----- stderr -----
     warning: Ignoring malformed tool `black` (run `uv tool uninstall black` to remove)
+    No tools installed.
+
+    See `uv tool install --help` for more information.
     "###);
 
     Ok(())
@@ -312,15 +294,12 @@ fn tool_list_show_version_specifiers() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     black v24.2.0 [required: <24.3.0]
     - black
     - blackd
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     "###);
@@ -332,15 +311,12 @@ fn tool_list_show_version_specifiers() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
-
     The following tools are already installed:
 
     black v24.2.0 [required: <24.3.0] ([TEMP_DIR]/tools/black)
     - black ([TEMP_DIR]/bin/black)
     - blackd ([TEMP_DIR]/bin/blackd)
 
-    See `uvx --help` for more information.
 
     ----- stderr -----
     "###);

crates/uv/tests/tool_run.rs

@@ -753,6 +753,9 @@ fn tool_run_list_installed() {
     success: true
     exit_code: 0
     ----- stdout -----
+    Provide a command to invoke with `uv tool run <command>` or `uv tool run --from <package> <command>`.
+
+    See `uv tool run --help` for more information.
 
     ----- stderr -----
     No tools installed.
@@ -776,15 +779,15 @@ fn tool_run_list_installed() {
     success: true
     exit_code: 0
     ----- stdout -----
-    Provide a command to invoke with `uvx <command>` or `uvx --from <package> <command>`.
+    Provide a command to invoke with `uv tool run <command>` or `uv tool run --from <package> <command>`.
 
     The following tools are already installed:
 
     black v24.2.0
     - black
     - blackd
 
-    See `uvx --help` for more information.
+    See `uv tool run --help` for more information.
 
     ----- stderr -----
     "###);