Move the bin to src and take on clap dependency for command line arg parsing. Fixes #150. r=rnewman

.travis.yml

@@ -3,4 +3,3 @@ script:
   - cargo build --verbose
   - cargo test --verbose
   - cargo test --verbose -p mentat_query_parser
-  - cargo test --verbose -p mentat_cli

Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Richard Newman <rnewman@twinql.com>", "Nicholas Alexander <nalexande
 
 [dependencies]
 rusqlite = "0.8.0"
+clap = "2.19.3"
 
 [dependencies.edn]
   path = "edn"
@@ -14,11 +15,3 @@ rusqlite = "0.8.0"
 
 [dependencies.mentat_query_parser]
   path = "query-parser"
-
-[dev-dependencies]
-[dev-dependencies.mentat_cli]
-  path = "cli"
-
-[[bin]]
-name = "mentat_cli"
-path = "cli/src/main.rs"

README.md

@@ -81,13 +81,18 @@ cargo test
 cargo test -p mentat_query_parser
 ````
 
-To start the cli use:
+To start the server use:
 
 ````
-cargo run
+cargo run serve
 ````
 
-For most `cargo` commands you can pass the `-p` argument to run the command just on that package.  By convention, the package name will be "mentat_package_name".  So, `cargo build -p mentat_cli` will build just the "cli" folder.
+To pass in custom arguments to the cli through Cargo, you'll need to pass `--` after the command to ensure they get passed properly.  For example:
+````
+cargo run serve -- --help
+````
+
+For most `cargo` commands you can pass the `-p` argument to run the command just on that package. So, `cargo build -p mentat_query_parser` will build just the "query-parser" folder.
 
 ## License
 

cli/Cargo.toml

@@ -1,7 +0,0 @@
-[package]
-name = "mentat_cli"
-version = "0.0.1"
-
-[dependencies]
-[dependencies.mentat]
-  path = "../"

cli/README.md

@@ -1,3 +0,0 @@
-# mentat-cli
-
-Note: this isn't actually doing anything and is just a placeholder to get the project structure in place.

cli/src/main.rs

@@ -1,20 +0,0 @@
-// Copyright 2016 Mozilla
-//
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
-// this file except in compliance with the License. You may obtain a copy of the
-// License at http://www.apache.org/licenses/LICENSE-2.0
-// Unless required by applicable law or agreed to in writing, software distributed
-// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-// CONDITIONS OF ANY KIND, either express or implied. See the License for the
-// specific language governing permissions and limitations under the License.
-
-use std::env;
-extern crate mentat;
-
-// This is just a placeholder to get the project structure in place.
-fn main() {
-    println!("Loaded {}", mentat::get_name());
-
-    let args: Vec<String> = env::args().collect();
-    println!("I got {:?} arguments: {:?}.", args.len() - 1, &args[1..]);
-}

src/main.rs

@@ -0,0 +1,45 @@
+// Copyright 2016 Mozilla
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+// this file except in compliance with the License. You may obtain a copy of the
+// License at http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations under the License.
+
+extern crate clap;
+
+use clap::{App, Arg, SubCommand, AppSettings};
+
+fn main() {
+    let app = App::new("Mentat").setting(AppSettings::ArgRequiredElseHelp);
+    let matches = app.subcommand(SubCommand::with_name("serve")
+            .about("Starts a server")
+            .arg(Arg::with_name("debug")
+                .long("debug")
+                .help("Print debugging info"))
+            .arg(Arg::with_name("database")
+                .short("d")
+                .long("database")
+                .value_name("FILE")
+                .help("Path to the Mentat database to serve")
+                .default_value("temp.db")
+                .takes_value(true))
+            .arg(Arg::with_name("port")
+                .short("p")
+                .long("port")
+                .value_name("INTEGER")
+                .help("Port to serve from, i.e. `localhost:PORT`")
+                .default_value("3333")
+                .takes_value(true)))
+        .get_matches();
+    if let Some(ref matches) = matches.subcommand_matches("serve") {
+        let debug = matches.is_present("debug");
+        println!("This doesn't work yet, but it will eventually serve the following database: {} \
+                  on port: {}.  Debugging={}",
+                 matches.value_of("database").unwrap(),
+                 matches.value_of("port").unwrap(),
+                 debug);
+    }
+}