feat: add link command

src/cli/link.rs

@@ -0,0 +1,31 @@
+use std::path::PathBuf;
+
+use clap::Subcommand;
+
+#[derive(Subcommand, Debug)]
+pub enum Link {
+    /// Move untracked paths into the store and symlink them back
+    Add {
+        /// Untracked or ignored paths inside the repository
+        #[arg(required = true)]
+        paths: Vec<PathBuf>,
+
+        /// Link to a store path that already exists
+        #[arg(long)]
+        force: bool,
+    },
+
+    /// List untracked paths a sandbox would still see
+    Check {
+        /// Limit the listing to these paths
+        paths: Vec<PathBuf>,
+
+        /// Print `<code> <path>` for scripts, as `git status --porcelain` does
+        #[arg(long)]
+        porcelain: bool,
+
+        /// Terminate porcelain entries with NUL
+        #[arg(short = 'z')]
+        null: bool,
+    },
+}