Fix #10680, Fix #13702

src/cargo/ops/cargo_add/mod.rs

@@ -361,7 +361,9 @@ fn resolve_dependency(
     };
     selected_dep = populate_dependency(selected_dep, arg);
 
-    let old_dep = get_existing_dependency(manifest, selected_dep.toml_key(), section)?;
+    let lookup = |dep_key: &_| get_existing_dependency(manifest, dep_key, section);
+    let old_dep = fuzzy_lookup(&mut selected_dep, lookup, gctx)?;
+
     let mut dependency = if let Some(mut old_dep) = old_dep.clone() {
         if old_dep.name != selected_dep.name {
             // Assuming most existing keys are not relevant when the package changes
@@ -383,7 +385,8 @@ fn resolve_dependency(
     if dependency.source().is_none() {
         // Checking for a workspace dependency happens first since a member could be specified
         // in the workspace dependencies table as a dependency
-        if let Some(_dep) = find_workspace_dep(dependency.toml_key(), ws.root_manifest()).ok() {
+        let lookup = |toml_key: &_| Ok(find_workspace_dep(toml_key, ws.root_manifest()).ok());
+        if let Some(_dep) = fuzzy_lookup(&mut dependency, lookup, gctx)? {
             dependency = dependency.set_source(WorkspaceSource::new());
         } else if let Some(package) = ws.members().find(|p| p.name().as_str() == dependency.name) {
             // Only special-case workspaces when the user doesn't provide any extra
@@ -449,6 +452,45 @@ fn resolve_dependency(
     Ok(dependency)
 }
 
+fn fuzzy_lookup(
+    dependency: &mut Dependency,
+    lookup: impl Fn(&str) -> CargoResult<Option<Dependency>>,
+    gctx: &GlobalContext,
+) -> CargoResult<Option<Dependency>> {
+    if let Some(rename) = dependency.rename() {
+        // If it has a rename only lookup that name - analogue to Dependency::toml_key()
+        return lookup(rename);
+    }
+
+    for name_permutation in [
+        dependency.name.clone(),
+        dependency.name.replace('-', "_"),
+        dependency.name.replace('_', "-"),
+    ]
+    .into_iter()
+    .dedup()
+    {
+        let Some(dep) = lookup(&name_permutation)? else {
+            continue;
+        };
+
+        if dependency.name != name_permutation {
+            // Ignore fuzzy matches with non-registry sources
+            if !matches!(dep.source, Some(Source::Registry(_))) {
+                continue;
+            }
+            gctx.shell().warn(format!(
+                "translating `{}` to `{}`",
+                dependency.name, &name_permutation,
+            ))?;
+            dependency.name = name_permutation;
+        }
+        return Ok(Some(dep));
+    }
+
+    Ok(None)
+}
+
 /// When { workspace = true } you cannot define other keys that configure
 /// the source of the dependency such as `version`, `registry`, `registry-index`,
 /// `path`, `git`, `branch`, `tag`, `rev`, or `package`. You can also not define

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/Cargo.toml

@@ -0,0 +1,2 @@
+[workspace]
+members = ["primary", "fuzzy_name"]

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/fuzzy_name/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "fuzzy_name"
+version = "0.0.0"
+edition = "2015"

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/primary/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "bar"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+fuzzy_name = { path = "../fuzzy_name" }

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/.rustc_info.json

@@ -0,0 +1 @@
+{"rustc_fingerprint":406425066802700236,"outputs":{"16968705982730379203":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/I563472/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu\noff\npacked\nunpacked\n___\ndebug_assertions\noverflow_checks\npanic=\"unwind\"\nproc_macro\nrelocation_model=\"pic\"\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"adx\"\ntarget_feature=\"aes\"\ntarget_feature=\"avx\"\ntarget_feature=\"avx2\"\ntarget_feature=\"avx512bitalg\"\ntarget_feature=\"avx512bw\"\ntarget_feature=\"avx512cd\"\ntarget_feature=\"avx512dq\"\ntarget_feature=\"avx512f\"\ntarget_feature=\"avx512ifma\"\ntarget_feature=\"avx512vbmi\"\ntarget_feature=\"avx512vbmi2\"\ntarget_feature=\"avx512vl\"\ntarget_feature=\"avx512vnni\"\ntarget_feature=\"avx512vp2intersect\"\ntarget_feature=\"avx512vpopcntdq\"\ntarget_feature=\"bmi1\"\ntarget_feature=\"bmi2\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"ermsb\"\ntarget_feature=\"f16c\"\ntarget_feature=\"fma\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"gfni\"\ntarget_feature=\"lahfsahf\"\ntarget_feature=\"lzcnt\"\ntarget_feature=\"movbe\"\ntarget_feature=\"pclmulqdq\"\ntarget_feature=\"popcnt\"\ntarget_feature=\"prfchw\"\ntarget_feature=\"rdrand\"\ntarget_feature=\"rdseed\"\ntarget_feature=\"sha\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_feature=\"sse4.1\"\ntarget_feature=\"sse4.2\"\ntarget_feature=\"ssse3\"\ntarget_feature=\"vaes\"\ntarget_feature=\"vpclmulqdq\"\ntarget_feature=\"xsave\"\ntarget_feature=\"xsavec\"\ntarget_feature=\"xsaveopt\"\ntarget_feature=\"xsaves\"\ntarget_has_atomic\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_has_atomic_equal_alignment=\"16\"\ntarget_has_atomic_equal_alignment=\"32\"\ntarget_has_atomic_equal_alignment=\"64\"\ntarget_has_atomic_equal_alignment=\"8\"\ntarget_has_atomic_equal_alignment=\"ptr\"\ntarget_has_atomic_load_store\ntarget_has_atomic_load_store=\"16\"\ntarget_has_atomic_load_store=\"32\"\ntarget_has_atomic_load_store=\"64\"\ntarget_has_atomic_load_store=\"8\"\ntarget_has_atomic_load_store=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_thread_local\ntarget_vendor=\"unknown\"\nub_checks\nunix\n","stderr":""},"11510009828276671329":{"success":true,"status":"","code":0,"stdout":"rustc 1.82.0-nightly (100fde524 2024-08-28)\nbinary: rustc\ncommit-hash: 100fde5246bf56f22fb5cc85374dd841296fce0e\ncommit-date: 2024-08-28\nhost: x86_64-unknown-linux-gnu\nrelease: 1.82.0-nightly\nLLVM version: 19.1.0\n","stderr":""}},"successes":{}}

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/CACHEDIR.TAG

@@ -0,0 +1,3 @@
+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/bar-e091c933de3c7a25/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/bar-e091c933de3c7a25/test-lib-bar

@@ -0,0 +1 @@
+797f27d3ab66d7a9

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/bar-e091c933de3c7a25/test-lib-bar.json

@@ -0,0 +1 @@
+{"rustc":648913621610942305,"features":"[]","declared_features":"[]","target":12909100764264976914,"profile":15008931449961837482,"path":3602296894043704370,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/bar-e091c933de3c7a25/dep-test-lib-bar"}}],"rustflags":["-C","link-arg=--ld-path=/home/I563472/mold/bin/mold","-C","target-cpu=native"],"metadata":7797948686568424061,"config":9480595155961943319,"compile_kind":0}

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/fuzzy_name-356131cb66cbe913/invoked.timestamp

@@ -0,0 +1 @@
+This file has an mtime of when this was started.

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/fuzzy_name-356131cb66cbe913/test-lib-fuzzy_name

@@ -0,0 +1 @@
+cfeaa437555c3caa

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/.fingerprint/fuzzy_name-356131cb66cbe913/test-lib-fuzzy_name.json

@@ -0,0 +1 @@
+{"rustc":648913621610942305,"features":"[]","declared_features":"[]","target":13111326501108914580,"profile":15008931449961837482,"path":2893638655806778878,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/fuzzy_name-356131cb66cbe913/dep-test-lib-fuzzy_name"}}],"rustflags":["-C","link-arg=--ld-path=/home/I563472/mold/bin/mold","-C","target-cpu=native"],"metadata":7797948686568424061,"config":9480595155961943319,"compile_kind":0}

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/bar-e091c933de3c7a25.d

@@ -0,0 +1,5 @@
+/home/I563472/dev/cargo/tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/bar-e091c933de3c7a25: primary/src/lib.rs
+
+/home/I563472/dev/cargo/tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/bar-e091c933de3c7a25.d: primary/src/lib.rs
+
+primary/src/lib.rs:

tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/fuzzy_name-356131cb66cbe913.d

@@ -0,0 +1,5 @@
+/home/I563472/dev/cargo/tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/fuzzy_name-356131cb66cbe913: fuzzy_name/src/lib.rs
+
+/home/I563472/dev/cargo/tests/testsuite/cargo_add/add_workspace_non_fuzzy/in/target/debug/deps/fuzzy_name-356131cb66cbe913.d: fuzzy_name/src/lib.rs
+
+fuzzy_name/src/lib.rs:

tests/testsuite/cargo_add/add_workspace_non_fuzzy/mod.rs

@@ -0,0 +1,24 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::current_dir;
+use cargo_test_support::file;
+use cargo_test_support::prelude::*;
+use cargo_test_support::str;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    let project = Project::from_template(current_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .args(["fuzzy-name", "-p", "bar"])
+        .current_dir(cwd)
+        .assert()
+        .code(101)
+        .stdout_eq(str![""])
+        .stderr_eq(file!["stderr.term.svg"]);
+
+    assert_ui().subset_matches(current_dir!().join("out"), &project_root);
+}

tests/testsuite/cargo_add/add_workspace_non_fuzzy/out/Cargo.toml

@@ -0,0 +1,2 @@
+[workspace]
+members = ["primary", "fuzzy_name"]

tests/testsuite/cargo_add/add_workspace_non_fuzzy/out/primary/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "bar"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+fuzzy_name = { path = "../fuzzy_name" }

tests/testsuite/cargo_add/detect_workspace_inherit_fuzzy/out/primary/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.0.0"
 edition = "2015"
 
 [dependencies]
-fuzzy_dependency = "1.0.0"
+fuzzy_dependency.workspace = true

tests/testsuite/cargo_add/features_fuzzy/out/Cargo.toml

@@ -6,4 +6,4 @@ version = "0.0.0"
 edition = "2015"
 
 [dependencies]
-your_face = { version = "99999.0.0" }
+your_face = { version = "99999.0.0", features = ["eyes"] }

tests/testsuite/cargo_add/mod.rs

@@ -4,6 +4,7 @@ mod add_no_vendored_package_with_alter_registry;
 mod add_no_vendored_package_with_vendor;
 mod add_normalized_name_external;
 mod add_toolchain;
+mod add_workspace_non_fuzzy;
 mod build;
 mod build_prefer_existing_version;
 mod change_rename_target;