Support overwriting a foo.workspace = true with a dependency from a…

src/cargo/ops/cargo_add/dependency.rs

@@ -3,6 +3,7 @@ use std::fmt::{Display, Formatter};
 use std::path::{Path, PathBuf};
 
 use indexmap::IndexSet;
+use toml_edit::KeyMut;
 
 use super::manifest::str_or_1_len_table;
 use crate::core::FeatureMap;
@@ -476,10 +477,18 @@ impl Dependency {
     }
 
     /// Modify existing entry to match this dependency
-    pub fn update_toml(&self, crate_root: &Path, item: &mut toml_edit::Item) {
+    pub fn update_toml<'k>(
+        &self,
+        crate_root: &Path,
+        key: &mut KeyMut<'k>,
+        item: &mut toml_edit::Item,
+    ) {
         if str_or_1_len_table(item) {
             // Nothing to preserve
             *item = self.to_toml(crate_root);
+            if self.source != Some(Source::Workspace(WorkspaceSource)) {
+                key.fmt();
+            }
         } else if let Some(table) = item.as_table_like_mut() {
             match &self.source {
                 Some(Source::Registry(src)) => {

src/cargo/ops/cargo_add/manifest.rs

@@ -349,8 +349,12 @@ impl LocalManifest {
         let dep_key = dep.toml_key();
 
         let table = self.get_table_mut(table_path)?;
-        if let Some(dep_item) = table.as_table_like_mut().unwrap().get_mut(dep_key) {
-            dep.update_toml(&crate_root, dep_item);
+        if let Some((mut dep_key, dep_item)) = table
+            .as_table_like_mut()
+            .unwrap()
+            .get_key_value_mut(dep_key)
+        {
+            dep.update_toml(&crate_root, &mut dep_key, dep_item);
         } else {
             let new_dependency = dep.to_toml(&crate_root);
             table[dep_key] = new_dependency;

tests/snapshots/add/overwrite_workspace_dep.in/Cargo.toml

@@ -0,0 +1,5 @@
+[workspace]
+members = ["primary", "dependency"]
+
+[workspace.dependencies]
+foo = { version = "0.0.0", path = "./dependency" }

tests/snapshots/add/overwrite_workspace_dep.in/dependency/Cargo.toml

@@ -0,0 +1,3 @@
+[package]
+name = "foo"
+version = "0.0.0"

tests/snapshots/add/overwrite_workspace_dep.in/primary/Cargo.toml

@@ -0,0 +1,8 @@
+cargo-features = ["workspace-inheritance"]
+
+[package]
+name = "bar"
+version = "0.0.0"
+
+[dependencies]
+foo.workspace = true

tests/snapshots/add/overwrite_workspace_dep.out/Cargo.toml

@@ -0,0 +1,5 @@
+[workspace]
+members = ["primary", "dependency"]
+
+[workspace.dependencies]
+foo = { version = "0.0.0", path = "./dependency" }

tests/snapshots/add/overwrite_workspace_dep.out/dependency/Cargo.toml

@@ -0,0 +1,3 @@
+[package]
+name = "foo"
+version = "0.0.0"

tests/snapshots/add/overwrite_workspace_dep.out/primary/Cargo.toml

@@ -0,0 +1,8 @@
+cargo-features = ["workspace-inheritance"]
+
+[package]
+name = "bar"
+version = "0.0.0"
+
+[dependencies]
+foo = { version = "0.0.0", path = "../dependency" }

tests/snapshots/add/overwrite_workspace_dep.stderr

@@ -0,0 +1 @@
+      Adding foo (local) to dependencies.

tests/snapshots/add/overwrite_workspace_dep_features.in/Cargo.toml

@@ -0,0 +1,5 @@
+[workspace]
+members = ["primary", "dependency"]
+
+[workspace.dependencies]
+foo = { version = "0.0.0", path = "./dependency" }

tests/snapshots/add/overwrite_workspace_dep_features.in/dependency/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "foo"
+version = "0.0.0"
+
+[features]
+default-base = []
+default-test-base = []
+default-merge-base = []
+default = ["default-base", "default-test-base", "default-merge-base"]
+test-base = []
+test = ["test-base", "default-test-base"]
+merge-base = []
+merge = ["merge-base", "default-merge-base"]
+unrelated = []

tests/snapshots/add/overwrite_workspace_dep_features.in/primary/Cargo.toml

@@ -0,0 +1,8 @@
+cargo-features = ["workspace-inheritance"]
+
+[package]
+name = "bar"
+version = "0.0.0"
+
+[dependencies]
+foo = { workspace = true, features = ["test"] }

tests/snapshots/add/overwrite_workspace_dep_features.out/Cargo.toml

@@ -0,0 +1,5 @@
+[workspace]
+members = ["primary", "dependency"]
+
+[workspace.dependencies]
+foo = { version = "0.0.0", path = "./dependency" }

tests/snapshots/add/overwrite_workspace_dep_features.out/dependency/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "foo"
+version = "0.0.0"
+
+[features]
+default-base = []
+default-test-base = []
+default-merge-base = []
+default = ["default-base", "default-test-base", "default-merge-base"]
+test-base = []
+test = ["test-base", "default-test-base"]
+merge-base = []
+merge = ["merge-base", "default-merge-base"]
+unrelated = []

tests/snapshots/add/overwrite_workspace_dep_features.out/primary/Cargo.toml

@@ -0,0 +1,8 @@
+cargo-features = ["workspace-inheritance"]
+
+[package]
+name = "bar"
+version = "0.0.0"
+
+[dependencies]
+foo = { features = ["test"], path = "../dependency", version = "0.0.0" }

tests/snapshots/add/overwrite_workspace_dep_features.stderr

@@ -0,0 +1,10 @@
+      Adding foo (local) to dependencies.
+             Features:
+             + default-base
+             + default-merge-base
+             + default-test-base
+             + test
+             + test-base
+             - merge
+             - merge-base
+             - unrelated

tests/testsuite/cargo_add.rs

@@ -2066,6 +2066,52 @@ fn overwrite_with_rename() {
     );
 }
 
+#[cargo_test]
+fn overwrite_workspace_dep() {
+    init_registry();
+    let project = Project::from_template("tests/snapshots/add/overwrite_workspace_dep.in");
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo()
+        .masquerade_as_nightly_cargo()
+        .arg("add")
+        .args(["foo", "--path", "./dependency", "-p", "bar"])
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches_path("tests/snapshots/add/overwrite_workspace_dep.stdout")
+        .stderr_matches_path("tests/snapshots/add/overwrite_workspace_dep.stderr");
+
+    assert().subset_matches(
+        "tests/snapshots/add/overwrite_workspace_dep.out",
+        &project_root,
+    );
+}
+
+#[cargo_test]
+fn overwrite_workspace_dep_features() {
+    init_registry();
+    let project = Project::from_template("tests/snapshots/add/overwrite_workspace_dep_features.in");
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo()
+        .masquerade_as_nightly_cargo()
+        .arg("add")
+        .args(["foo", "--path", "./dependency", "-p", "bar"])
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches_path("tests/snapshots/add/overwrite_workspace_dep_features.stdout")
+        .stderr_matches_path("tests/snapshots/add/overwrite_workspace_dep_features.stderr");
+
+    assert().subset_matches(
+        "tests/snapshots/add/overwrite_workspace_dep_features.out",
+        &project_root,
+    );
+}
+
 #[cargo_test]
 fn preserve_sorted() {
     init_registry();