refactor: separate argument defs

src/cmd_args.rs

@@ -0,0 +1,73 @@
+//! CLI arguments
+
+use crate::StorageType;
+use crate::path;
+use crate::PathBuf;
+use clap::{Parser, Subcommand};
+use clap_verbosity_flag::Verbosity;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+pub(crate) struct Cli {
+    #[command(subcommand)]
+    pub(crate) command: Commands,
+
+    #[command(flatten)]
+    pub(crate) verbose: Verbosity,
+}
+
+#[derive(Subcommand)]
+pub(crate) enum Commands {
+    /// Initialize for this device.
+    /// Provide `repo_url` to use existing repository, otherwise this device will be configured as the
+    /// first device.
+    Init {
+        repo_url: Option<String>, // url?
+    },
+
+    /// Manage storages.
+    Storage(StorageArgs),
+
+    /// Print config dir.
+    Path {},
+
+    /// Sync with git repo.
+    Sync {},
+
+    /// Check config files.
+    Check {},
+}
+
+#[derive(clap::Args)]
+#[command(args_conflicts_with_subcommands = true)]
+pub(crate) struct StorageArgs {
+    #[command(subcommand)]
+    pub(crate) command: StorageCommands,
+}
+
+#[derive(Subcommand)]
+pub(crate) enum StorageCommands {
+    /// Add new storage.
+    Add {
+        #[arg(value_enum)]
+        storage_type: StorageType,
+
+        // TODO: set this require and select matching disk for physical
+        #[arg(short, long, value_name = "PATH")]
+        path: Option<PathBuf>,
+    },
+    /// List all storages.
+    List {},
+    /// Make `storage` available for the current device.
+    /// For physical disk, the name is taken from system info automatically.
+    Bind {
+        /// Name of the storage.
+        storage: String,
+        /// Device specific alias for the storage.
+        #[arg(short, long)]
+        alias: String,
+        /// Mount point on this device.
+        #[arg(short, long)]
+        path: path::PathBuf,
+    },
+}