chore(cli): better version with build info (#103)

cli/Cargo.toml

@@ -22,6 +22,7 @@ humantime-serde = "1.1.1"
 indicatif = "0.17.3"
 itertools = "0.10.5"
 logos = "0.13.0"
+once_cell = "1.17.1"
 rustyline = "11.0.0"
 serde = { version = "1.0.159", features = ["derive"] }
 serde_json = "1.0.95"
@@ -39,6 +40,9 @@ tokio = { version = "1.26", features = [
 toml = "0.7.3"
 url = { version = "2.3.1", default-features = false }
 
+[build-dependencies]
+vergen = { version = "8.1.3", features = ["build", "git", "gitcl"] }
+
 [[bin]]
 name = "bendsql"
 path = "src/main.rs"

cli/build.rs

@@ -0,0 +1,21 @@
+// Copyright 2023 Datafuse Labs.
+//
+// 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::error::Error;
+use vergen::EmitBuilder;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    EmitBuilder::builder().all_build().all_git().emit()?;
+    Ok(())
+}

cli/src/main.rs

@@ -25,6 +25,14 @@ use std::{collections::BTreeMap, io::stdin};
 use anyhow::{anyhow, Result};
 use clap::{CommandFactory, Parser, ValueEnum};
 use config::{Config, OutputFormat};
+use once_cell::sync::Lazy;
+
+static VERSION: Lazy<String> = Lazy::new(|| {
+    let version = option_env!("CARGO_PKG_VERSION").unwrap_or("unknown");
+    let sha = option_env!("VERGEN_GIT_DESCRIBE").unwrap_or("dev");
+    let timestamp = option_env!("VERGEN_BUILD_TIMESTAMP").unwrap_or("");
+    format!("{}-{}({})", version, sha, timestamp)
+});
 
 /// Supported file format and options:
 /// https://databend.rs/doc/sql-reference/file-format-options
@@ -83,8 +91,9 @@ impl InputFormat {
 }
 
 #[derive(Debug, Parser, PartialEq)]
+#[command(version = VERSION.as_str())]
 // disable default help flag since it would conflict with --host
-#[command(author, version, about, disable_help_flag = true)]
+#[command(author, about, disable_help_flag = true)]
 struct Args {
     #[clap(long, help = "Print help information")]
     help: bool,

cli/src/session.rs

@@ -34,6 +34,7 @@ use crate::config::OutputFormat;
 use crate::config::Settings;
 use crate::display::{format_write_progress, ChunkDisplay, FormatDisplay, ReplDisplay};
 use crate::helper::CliHelper;
+use crate::VERSION;
 
 pub struct Session {
     dsn: String,
@@ -49,7 +50,7 @@ impl Session {
         let conn = new_connection(&dsn)?;
         let info = conn.info();
         if is_repl {
-            println!("Welcome to BendSQL.");
+            println!("Welcome to BendSQL {}.", VERSION.as_str());
             println!(
                 "Trying connect to {}:{} as user {}.",
                 info.host, info.port, info.user