unify cli and cmd

1 files changed, 27 insertions, 0 deletions

diff --git a/src/cmd/mod.rs b/src/cmd/mod.rs
index a25e955..89c9f5b 100644
--- a/src/cmd/mod.rs
+++ b/src/cmd/mod.rs
@@ -1,2 +1,29 @@
 pub mod sql;
 pub mod sync;
+
+const _DUMMY_DEPENDENCY: &'static str = include_str!("../../Cargo.toml");
+
+pub trait Command {
+    fn run(&self) -> failure::Fallible<()>;
+}
+
+pub fn run() -> failure::Fallible<()> {
+    get_command()?.run()
+}
+
+fn get_command() -> failure::Fallible<Box<Command>> {
+    let matches = app_from_crate!()
+        .subcommand(sync::subcommand())
+        .subcommand(sql::subcommand())
+        .get_matches();
+
+    let command: Box<Command> = match matches.subcommand() {
+        ("sync", Some(matches)) => Box::new(sync::Command::new(matches)),
+        ("sql", Some(matches)) => Box::new(sql::Command::new(matches)),
+
+        (name, Some(_)) => bail!("unknown subcommand: {}", name),
+        (_, None) => bail!("no subcommand given"),
+    };
+
+    Ok(command)
+}