feat: Define custom raftify-cli --version command (#161)

* add long_version opt

* feat: Print also raftify features

---------

Co-authored-by: Gyubong <jopemachine@naver.com>

raftify-cli/Cargo.toml

@@ -1,9 +1,10 @@
 [package]
 name = "raftify_cli"
-version = "0.1.81"
+version = "0.1.82"
 edition = "2021"
 description = "Raftify CLI tool"
 license = "MIT/Apache-2.0"
+build = "build.rs"
 
 [dependencies]
 log = { version = "0.4", features = ["std"] }
@@ -14,6 +15,7 @@ built = "0.5"
 clap = { version = "4.5.18", features = ["derive"] }
 raftify = { version = "=0.1.81", features = ["heed_storage", "inmemory_storage", "rocksdb_storage"] }
 comfy-table = "7.1.1"
+cfmt = { version = "0.1.0", package = "const_format" }
 
 [lib]
 name = "raftify_cli"
@@ -22,3 +24,4 @@ path = "src/mod.rs"
 [build-dependencies]
 tonic-build = "0.9.2"
 built = "0.5"
+toml = "0.8.19"

raftify-cli/build.rs

@@ -1,4 +1,20 @@
+use std::fs;
+use std::path::Path;
+use toml::Value;
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let path = Path::new("Cargo.toml");
+    let read = fs::read_to_string(path)
+        .expect("Failed to read Cargo.toml");
+    let toml: Value = read.parse::<Value>().expect("Failed to parse Cargo.toml");
+
+    if let Some(raftify_dep) = toml.get("dependencies").and_then(|deps| deps.get("raftify")) {
+        let version = raftify_dep.get("version").unwrap().as_str().unwrap();
+        let features = raftify_dep.get("features").unwrap().as_array().unwrap().iter().map(|f| f.as_str().unwrap()).collect::<Vec<_>>().join(", ");
+        println!("cargo:rustc-env=RAFTIFY_VERSION={}", &version[1..]);
+        println!("cargo:rustc-env=RAFTIFY_FEATURES={}", features);
+    }
+
     built::write_built_file().expect("Failed to acquire build-time information");
     Ok(())
 }

raftify-cli/src/mod.rs

@@ -11,11 +11,19 @@ use raftify::{
     AbstractLogEntry, AbstractStateMachine, CustomFormatter, Result, StableStorage,
 };
 
+use cfmt::formatcp;
+
+const RAFTIFY_VERSION: &str = env!("RAFTIFY_VERSION");
+const RAFTIFY_FEATURES: &str = env!("RAFTIFY_FEATURES");
+const VERSION_TEXT: &'static str = formatcp!("{PKG_VERSION}
+(Built with raftify {}, Enabled features: {})", RAFTIFY_VERSION, RAFTIFY_FEATURES);
+
 #[derive(Parser)]
-#[command(name = "raftify")]
-#[command(version = PKG_VERSION)]
+#[command(name = PKG_NAME)]
 #[command(author = PKG_AUTHORS)]
 #[command(about = PKG_DESCRIPTION)]
+#[command(version = VERSION_TEXT)]
+#[command(long_version = VERSION_TEXT)]
 struct App {
     #[command(subcommand)]
     command: Commands,