Add new option --locked that is passed through to cargo-install (#830)

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

crates/bin/src/args.rs

@@ -188,6 +188,12 @@ pub struct Args {
     #[clap(help_heading = "Options", long)]
     pub roots: Option<PathBuf>,
 
+    /// This option will be passed through to all `cargo-install` invocations.
+    ///
+    /// It will require `Cargo.lock` to be up to date.
+    #[clap(help_heading = "Options", long)]
+    pub locked: bool,
+
     /// Deprecated, here for back-compat only. Secure is now on by default.
     #[clap(hide(true), long)]
     pub secure: bool,

crates/bin/src/entry.rs

@@ -97,6 +97,7 @@ pub async fn install_crates(args: Args, jobserver_client: LazyJobserverClient) -
         dry_run: args.dry_run,
         force: args.force,
         quiet: args.log_level == Some(LevelFilter::Off),
+        locked: args.locked,
 
         version_req: args.version_req,
         manifest_path: args.manifest_path,