add --version

Cargo.lock

@@ -35,6 +35,7 @@ dependencies = [
  "bitflags",
  "clap_lex",
  "indexmap",
+ "lazy_static",
  "strsim",
  "termcolor",
  "textwrap",
@@ -51,7 +52,7 @@ dependencies = [
 
 [[package]]
 name = "comma"
-version = "1.2.1"
+version = "1.2.3"
 dependencies = [
  "clap",
 ]
@@ -81,6 +82,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
 [[package]]
 name = "libc"
 version = "0.2.123"

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "comma"
 description = "runs programs without installing them"
-version = "1.2.1"
+version = "1.2.3"
 edition = "2021"
 authors = ["Artturin <Artturin@artturin.com>"]
 license = "MIT"
@@ -9,4 +9,4 @@ license = "MIT"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "3.1.9", features = ["env"]}
+clap = { version = "3.1.9", features = ["env", "cargo"]}

src/main.rs

@@ -5,7 +5,7 @@ use std::{
     process::{exit, Command, Stdio},
 };
 
-use clap::{arg, Arg};
+use clap::{arg, Arg, crate_version};
 
 fn pick(picker: &str, derivations: Vec<&str>) -> String {
     let mut picker_process = Command::new(&picker)
@@ -54,6 +54,7 @@ fn run_command(use_channel: bool, choice: &str, command: &str, trail: Vec<&str>)
 fn main() {
     let matches = clap::Command::new("comma")
         .about("runs programs without installing them")
+        .version(crate_version!())
         .arg(
             Arg::new("install")
                 .short('i')