chore: add the missing flag for cargo add --public

Author: linyihai

src/bin/cargo/commands/add.rs

@@ -63,6 +63,8 @@ The package will be removed from your features.")
                 .conflicts_with("dev")
                 .overrides_with("optional"),
             flag("public", "Mark the dependency as public")
+                .conflicts_with("dev")
+                .conflicts_with("build")
                 .long_help("Mark the dependency as public
 
 The dependnecy will be visible in both of your crate and outside."),

tests/testsuite/cargo_add/no_public/mod.rs

@@ -14,7 +14,7 @@ fn case() {
 
     snapbox::cmd::Command::cargo_ui()
         .arg("add")
-        .arg_line("my-package@0.1.0 --no-public")
+        .arg_line("my-package --no-public")
         .current_dir(cwd)
         .masquerade_as_nightly_cargo(&["public-dependency"])
         .assert()

tests/testsuite/cargo_add/overwrite_no_public/mod.rs

@@ -14,7 +14,7 @@ fn case() {
 
     snapbox::cmd::Command::cargo_ui()
         .arg("add")
-        .arg_line("my-package@0.1.0 --no-public")
+        .arg_line("my-package --no-public")
         .current_dir(cwd)
         .masquerade_as_nightly_cargo(&["public-dependency"])
         .assert()

tests/testsuite/cargo_add/overwrite_no_public_with_public/mod.rs

@@ -14,7 +14,7 @@ fn case() {
 
     snapbox::cmd::Command::cargo_ui()
         .arg("add")
-        .arg_line("my-package@0.1.0 --public")
+        .arg_line("my-package --public")
         .current_dir(cwd)
         .masquerade_as_nightly_cargo(&["public-dependency"])
         .assert()

tests/testsuite/cargo_add/public/mod.rs

@@ -14,7 +14,7 @@ fn case() {
 
     snapbox::cmd::Command::cargo_ui()
         .arg("add")
-        .arg_line("my-package@0.1.0 --public")
+        .arg_line("my-package --public")
         .current_dir(cwd)
         .masquerade_as_nightly_cargo(&["public-dependency"])
         .assert()