From 91ad76b955fad52934e3ea775f9ff61d18c30a8d Mon Sep 17 00:00:00 2001
From: Julian Dax <julian.dax@posteo.de>
Date: Fri, 30 Sep 2022 18:30:46 +0200
Subject: [PATCH] feat: add --version

---
 Cargo.lock  |  2 +-
 Cargo.toml  |  2 +-
 src/main.rs | 13 +++++++++++--
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index b0e7a27..b280457 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,7 +16,7 @@ checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
 
 [[package]]
 name = "json_env"
-version = "1.0.7"
+version = "1.1.0"
 dependencies = [
  "anyhow",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 20214b7..86ee39e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "json_env"
-version = "1.0.7"
+version = "1.1.0"
 edition = "2021"
 license = "Apache-2.0"
 description ="`json_env` loads an environment variables from a file called `.env.json` in the current directory and starts a subprocess with them."
diff --git a/src/main.rs b/src/main.rs
index ec89622..c1810d8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,6 +5,9 @@ use std::fs::File;
 use std::io::Read;
 use std::process::Command;
 
+
+const VERSION: &str = env!("CARGO_PKG_VERSION");
+
 // `json_env` is [dotenv](https://github.com/motdotla/dotenv), but with JSON.
 // See [readme](Readme.md) for more information.
 fn main() {
@@ -12,7 +15,7 @@ fn main() {
     let help_text = concat!("json_env reads the .env.json file in the current directory and runs a program with these environment variables.\n",
     "Usage:",
     "json_env <executable> <options for executable>\n",
-    "json_env itself has no config options"
+    "json_env itself has no config options."
     );
 
     if args.len() < 2 {
@@ -20,7 +23,13 @@ fn main() {
     }
 
     if args[1] == "--help" {
-        println!("{}", help_text)
+        println!("{}", help_text);
+        return;
+    }
+
+    if args[1] == "--version" {
+        println!("json_env version {}", VERSION);
+        return;
     }
 
     match File::open(".env.json") {