refactor: use a struct for install options (#6561)

## Summary

Closes #6545.

## Test Plan

Relying on existing tests.

crates/uv-configuration/src/install_options.rs

@@ -0,0 +1,85 @@
+use rustc_hash::FxHashSet;
+use tracing::debug;
+
+use distribution_types::{Name, Resolution};
+use pep508_rs::PackageName;
+use uv_workspace::VirtualProject;
+
+#[derive(Debug, Clone, Default)]
+pub struct InstallOptions {
+    pub no_install_project: bool,
+    pub no_install_workspace: bool,
+    pub no_install_package: Vec<PackageName>,
+}
+
+impl InstallOptions {
+    pub fn new(
+        no_install_project: bool,
+        no_install_workspace: bool,
+        no_install_package: Vec<PackageName>,
+    ) -> Self {
+        Self {
+            no_install_project,
+            no_install_workspace,
+            no_install_package,
+        }
+    }
+
+    pub fn filter_resolution(
+        &self,
+        resolution: Resolution,
+        project: &VirtualProject,
+    ) -> Resolution {
+        // If `--no-install-project` is set, remove the project itself.
+        let resolution = self.apply_no_install_project(resolution, project);
+
+        // If `--no-install-workspace` is set, remove the project and any workspace members.
+        let resolution = self.apply_no_install_workspace(resolution, project);
+
+        // If `--no-install-package` is provided, remove the requested packages.
+        self.apply_no_install_package(resolution)
+    }
+
+    fn apply_no_install_project(
+        &self,
+        resolution: Resolution,
+        project: &VirtualProject,
+    ) -> Resolution {
+        if !self.no_install_project {
+            return resolution;
+        }
+
+        let Some(project_name) = project.project_name() else {
+            debug!("Ignoring `--no-install-project` for virtual workspace");
+            return resolution;
+        };
+
+        resolution.filter(|dist| dist.name() != project_name)
+    }
+
+    fn apply_no_install_workspace(
+        &self,
+        resolution: Resolution,
+        project: &VirtualProject,
+    ) -> Resolution {
+        if !self.no_install_workspace {
+            return resolution;
+        }
+
+        let workspace_packages = project.workspace().packages();
+        resolution.filter(|dist| {
+            !workspace_packages.contains_key(dist.name())
+                && Some(dist.name()) != project.project_name()
+        })
+    }
+
+    fn apply_no_install_package(&self, resolution: Resolution) -> Resolution {
+        if self.no_install_package.is_empty() {
+            return resolution;
+        }
+
+        let no_install_packages = self.no_install_package.iter().collect::<FxHashSet<_>>();
+
+        resolution.filter(|dist| !no_install_packages.contains(dist.name()))
+    }
+}

crates/uv-configuration/src/lib.rs

@@ -5,6 +5,7 @@ pub use config_settings::*;
 pub use constraints::*;
 pub use extras::*;
 pub use hash::*;
+pub use install_options::*;
 pub use name_specifiers::*;
 pub use overrides::*;
 pub use package_options::*;
@@ -19,6 +20,7 @@ mod config_settings;
 mod constraints;
 mod extras;
 mod hash;
+mod install_options;
 mod name_specifiers;
 mod overrides;
 mod package_options;