Add experimental uv sync --output-format json

crates/uv-cli/src/lib.rs

@@ -45,6 +45,20 @@ pub enum PythonListFormat {
     Json,
 }
 
+#[derive(Debug, Default, Clone, clap::ValueEnum)]
+pub enum SyncFormat {
+    /// Display the result in a human-readable format.
+    #[default]
+    Text,
+    /// Display the result in JSON format.
+    Json,
+}
+impl SyncFormat {
+    pub fn is_json(&self) -> bool {
+        matches!(self, SyncFormat::Json)
+    }
+}
+
 #[derive(Debug, Default, Clone, clap::ValueEnum)]
 pub enum ListFormat {
     /// Display the list of packages in a human-readable table.
@@ -3187,6 +3201,10 @@ pub struct SyncArgs {
     #[arg(long, conflicts_with = "all_extras", value_parser = extra_name_with_clap_error)]
     pub extra: Option<Vec<ExtraName>>,
 
+    /// Select the output format.
+    #[arg(long, value_enum, default_value_t = SyncFormat::default())]
+    pub format: SyncFormat,
+
     /// Include all optional dependencies.
     ///
     /// When two or more extras are declared as conflicting in `tool.uv.conflicts`, using this flag

crates/uv-fs/src/path.rs

@@ -413,6 +413,12 @@ impl From<Box<Path>> for PortablePathBuf {
     }
 }
 
+impl<'a> From<&'a Path> for PortablePathBuf {
+    fn from(path: &'a Path) -> Self {
+        Box::<Path>::from(path).into()
+    }
+}
+
 #[cfg(feature = "serde")]
 impl serde::Serialize for PortablePathBuf {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

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

@@ -1214,14 +1214,14 @@ enum ProjectEnvironment {
     /// requirements. A new environment would've been created, but `--dry-run` mode is enabled; as
     /// such, a temporary environment was created instead.
     WouldReplace(
-        PathBuf,
+        #[allow(dead_code)] PathBuf,
         PythonEnvironment,
         #[allow(unused)] tempfile::TempDir,
     ),
     /// A new [`PythonEnvironment`] would've been created, but `--dry-run` mode is enabled; as such,
     /// a temporary environment was created instead.
     WouldCreate(
-        PathBuf,
+        #[allow(dead_code)] PathBuf,
         PythonEnvironment,
         #[allow(unused)] tempfile::TempDir,
     ),
@@ -1420,14 +1420,14 @@ enum ScriptEnvironment {
     /// requirements. A new environment would've been created, but `--dry-run` mode is enabled; as
     /// such, a temporary environment was created instead.
     WouldReplace(
-        PathBuf,
+        #[allow(dead_code)] PathBuf,
         PythonEnvironment,
         #[allow(unused)] tempfile::TempDir,
     ),
     /// A new [`PythonEnvironment`] would've been created, but `--dry-run` mode is enabled; as such,
     /// a temporary environment was created instead.
     WouldCreate(
-        PathBuf,
+        #[allow(dead_code)] PathBuf,
         PythonEnvironment,
         #[allow(unused)] tempfile::TempDir,
     ),