Replace structopt with clap and remove commit hash from version string

Author: autozimu

Diff for: Cargo.lock

@@ -20,7 +20,7 @@ tag-name = "{{version}}"
 itertools = "0.8"
 log = "0.4"
 log4rs = "0"
-structopt = "0"
+clap = { version = "2", default-features = false }
 maplit = "1"
 serde = "1"
 serde_derive = "1"

Diff for: Cargo.toml

@@ -80,9 +80,8 @@ fn create_config(path: &Option<PathBuf>, level: LevelFilter) -> Result<Config> {
             #[allow(clippy::write_literal)]
             writeln!(
                 f,
-                "#######\nLanguageClient {} {}\n#######",
+                "#######\nLanguageClient {}\n#######",
                 env!("CARGO_PKG_VERSION"),
-                env!("GIT_HASH")
             )?;
         }
 

Diff for: build.rs

@@ -14,20 +14,17 @@ mod vimext;
 use anyhow::Result;
 use std::collections::HashMap;
 use std::sync::{Arc, Mutex};
-use structopt::StructOpt;
 use types::State;
 
-#[derive(Debug, StructOpt)]
-struct Arguments {}
+#[macro_use]
+extern crate clap;
 
 fn main() -> Result<()> {
-    let version = format!("{} {}", env!("CARGO_PKG_VERSION"), env!("GIT_HASH"));
-    let args = Arguments::clap().version(version.as_str());
-    let _ = args.get_matches();
+    let _ = clap::app_from_crate!().get_matches();
 
     let (tx, rx) = crossbeam::channel::unbounded();
     let language_client = language_client::LanguageClient {
-        version,
+        version: env!("CARGO_PKG_VERSION").into(),
         state_mutex: Arc::new(Mutex::new(State::new(tx)?)),
         clients_mutex: Arc::new(Mutex::new(HashMap::new())),
     };