Let RequirementSource::Path.editable be bool, not Option<bool> (#3693)

Small refactoring of the internal representation. This does not change
`tool.uv.sources`.

crates/distribution-types/src/requirement.rs

@@ -174,7 +174,7 @@ pub enum RequirementSource {
     Path {
         path: PathBuf,
         /// For a source tree (a directory), whether to install as an editable.
-        editable: Option<bool>,
+        editable: bool,
         /// The PEP 508 style URL in the format
         /// `file:///<path>#subdirectory=<subdirectory>`.
         url: VerbatimUrl,
@@ -189,7 +189,7 @@ impl RequirementSource {
             ParsedUrl::Path(local_file) => RequirementSource::Path {
                 path: local_file.path,
                 url,
-                editable: None,
+                editable: false,
             },
             ParsedUrl::Git(git) => RequirementSource::Git {
                 url,

crates/distribution-types/src/resolution.rs

@@ -94,7 +94,7 @@ impl From<&ResolvedDist> for Requirement {
                 Dist::Built(BuiltDist::Path(wheel)) => RequirementSource::Path {
                     path: wheel.path.clone(),
                     url: wheel.url.clone(),
-                    editable: None,
+                    editable: false,
                 },
                 Dist::Source(SourceDist::Registry(sdist)) => RequirementSource::Registry {
                     specifier: pep440_rs::VersionSpecifiers::from(
@@ -121,12 +121,12 @@ impl From<&ResolvedDist> for Requirement {
                 Dist::Source(SourceDist::Path(sdist)) => RequirementSource::Path {
                     path: sdist.path.clone(),
                     url: sdist.url.clone(),
-                    editable: None,
+                    editable: false,
                 },
                 Dist::Source(SourceDist::Directory(sdist)) => RequirementSource::Path {
                     path: sdist.path.clone(),
                     url: sdist.url.clone(),
-                    editable: Some(sdist.editable),
+                    editable: sdist.editable,
                 },
             },
             ResolvedDist::Installed(dist) => RequirementSource::Registry {

crates/uv-installer/src/satisfies.rs

@@ -163,11 +163,10 @@ impl RequirementSatisfaction {
                     return Ok(Self::Mismatch);
                 };
 
-                if requested_editable.unwrap_or_default() != installed_editable.unwrap_or_default()
-                {
+                if *requested_editable != installed_editable.unwrap_or_default() {
                     trace!(
                         "Editable mismatch: {:?} vs. {:?}",
-                        requested_editable.unwrap_or_default(),
+                        *requested_editable,
                         installed_editable.unwrap_or_default()
                     );
                     return Ok(Self::Mismatch);

crates/uv-requirements/src/pyproject.rs

@@ -496,7 +496,7 @@ pub(crate) fn lower_requirement(
             if matches!(requirement.version_or_url, Some(VersionOrUrl::Url(_))) {
                 return Err(LoweringError::ConflictingUrls);
             }
-            path_source(path, project_dir, editable)?
+            path_source(path, project_dir, editable.unwrap_or(false))?
         }
         Source::Registry { index } => match requirement.version_or_url {
             None => {
@@ -529,7 +529,7 @@ pub(crate) fn lower_requirement(
                 .get(&requirement.name)
                 .ok_or(LoweringError::UndeclaredWorkspacePackage)?
                 .clone();
-            path_source(path, project_dir, editable)?
+            path_source(path, project_dir, editable.unwrap_or(true))?
         }
         Source::CatchAll { .. } => {
             // Emit a dedicated error message, which is an improvement over Serde's default error.
@@ -549,7 +549,7 @@ pub(crate) fn lower_requirement(
 fn path_source(
     path: String,
     project_dir: &Path,
-    editable: Option<bool>,
+    editable: bool,
 ) -> Result<RequirementSource, LoweringError> {
     let url = VerbatimUrl::parse_path(&path, project_dir).with_given(path.clone());
     let path_buf = PathBuf::from(&path);

crates/uv-requirements/src/specification.rs

@@ -184,7 +184,7 @@ impl RequirementsSpecification {
                     .partition_map(|requirement| {
                         if let RequirementSource::Path {
                             path,
-                            editable: Some(true),
+                            editable: true,
                             url,
                         } = requirement.source
                         {

crates/uv-resolver/src/resolver/urls.rs

@@ -89,7 +89,7 @@ impl Urls {
                         parsed_url: ParsedUrl::Path(ParsedPathUrl {
                             url: url.to_url(),
                             path: path.clone(),
-                            editable: (*editable).unwrap_or_default(),
+                            editable: *editable,
                         }),
                         verbatim: url.clone(),
                     };