From 96c8e1e5ac561e450b78912f65b2415d41fc6a58 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 23 Dec 2018 02:49:04 -0500
Subject: rust 2018

---
 src/cmd.rs | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/cmd.rs

(limited to 'src/cmd.rs')

diff --git a/src/cmd.rs b/src/cmd.rs
new file mode 100644
index 0000000..172f6a6
--- /dev/null
+++ b/src/cmd.rs
@@ -0,0 +1,51 @@
+mod recommend;
+mod sql;
+mod sync;
+
+use clap::{
+    app_from_crate, crate_authors, crate_description, crate_name,
+    crate_version,
+};
+use failure::bail;
+
+const _DUMMY_DEPENDENCY: &str = include_str!("../Cargo.toml");
+
+trait Command {
+    fn run(&self) -> failure::Fallible<()>;
+}
+
+pub fn run() -> failure::Fallible<()> {
+    get_command()?.run()
+}
+
+fn get_command() -> failure::Fallible<Box<Command>> {
+    let subcommands = vec![
+        sync::subcommand(),
+        sql::subcommand(),
+        recommend::subcommand(),
+    ];
+    let mut app = app_from_crate!().subcommands(
+        subcommands
+            .into_iter()
+            .map(|s| s.setting(clap::AppSettings::DisableVersion)),
+    );
+    let matches = app.clone().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)),
+        ("recommend", Some(matches)) => {
+            Box::new(recommend::Command::new(matches)?)
+        }
+
+        (name, Some(_)) => bail!("unknown subcommand: {}", name),
+        (_, None) => {
+            let mut stderr = std::io::stderr();
+            app.write_long_help(&mut stderr)?;
+            eprintln!("");
+            bail!("no subcommand given")
+        }
+    };
+
+    Ok(command)
+}
-- 
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