refactor: rename environment variables from ZINC to CONF and update license year

Author: hengfeiyang

.env

@@ -1,2 +1,2 @@
-ZINC_ENABLE=false
-ZINC_NUMBER=88888
+CONF_ENABLE=false
+CONF_NUMBER=88888

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "dotenv_config"
-version = "0.2.2"
-edition = "2021"
+version = "0.2.3"
+edition = "2024"
 authors = ["Hengfei Yang <hengfei.yang@gmail.com>"]
 description = "parse `env` to config struct for Rust"
 homepage = "https://github.com/openobserve/dotenv-config/"

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 Zinc Labs Inc.
+Copyright (c) 2026 OpenObserve Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -35,9 +35,9 @@ struct Config {
     #[env_config(default = "192.168.2.1")]
     server_addr: String,
     server_mode: bool,
-    #[env_config(name = "ZINC_ENABLE", default = true)]
+    #[env_config(name = "CONF_ENABLE", default = true)]
     enable: bool,
-    #[env_config(name = "ZINC_NUMBER", default = 123456, help = "this is for demo")]
+    #[env_config(name = "CONF_NUMBER", default = 123456, help = "this is for demo")]
     num: Option<i64>,
     #[env_config(parse, default = "green")] // or parse=true
     color: Color,
@@ -64,15 +64,15 @@ you can use macro attribute set field attribute
 ## you can though system environments or `.env` file config it.
 
 ```
-ZINC_ENABLE=false
-ZINC_NUMBER=8787878
+CONF_ENABLE=false
+CONF_NUMBER=8787878
 ```
 
 default load environment key is: `structName_fieldName` do UpperSnake, like above struct, default config key is:
 
 ```
 CONFIG_SERVER_ADDR
 CONFIG_SERVER_MODE
-ZINC_ENABLE
-ZINC_NUMBER
+CONF_ENABLE
+CONF_NUMBER
 ```

examples/config.rs

@@ -3,12 +3,12 @@ use dotenvy::dotenv;
 
 #[derive(Debug, EnvConfig)]
 struct Config {
-    #[env_config(name = "ZINC_SERVER_ADDR", default = "192.168.2.1")]
+    #[env_config(name = "CONF_SERVER_ADDR", default = "192.168.2.1")]
     server_addr: String,
     server_mode: bool,
-    #[env_config(name = "ZINC_ENABLE", default = true)]
+    #[env_config(name = "CONF_ENABLE", default = true)]
     enable: bool,
-    #[env_config(name = "ZINC_NUMBER", default = 123456)]
+    #[env_config(name = "CONF_NUMBER", default = 123456)]
     num: Option<i64>,
     rr: Redis,
 }
@@ -18,7 +18,7 @@ struct Redis {
     addr: String,
     port: String,
     auth: String,
-    #[env_config(name = "ZINC_REDIS_TIMEOUT", default = 30)]
+    #[env_config(name = "CONF_REDIS_TIMEOUT", default = 30)]
     timeout: i32,
 }
 

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.85.0"
+channel = "1.91.0"

src/builder.rs

@@ -1,4 +1,4 @@
-/* Copyright 2022 Zinc Labs Inc. and Contributors
+/* Copyright 2026 OpenObserve Inc. and Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -149,10 +149,10 @@ impl BuilderContext {
 fn split(input: TokenStream) -> (Ident, TokenStream) {
     let mut input = input.into_iter().collect::<VecDeque<_>>();
     while let Some(item) = input.pop_front() {
-        if let TokenTree::Ident(v) = item {
-            if v.to_string() == "struct" {
-                break;
-            }
+        if let TokenTree::Ident(v) = item
+            && v.to_string() == "struct"
+        {
+            break;
         }
     }
 

src/lib.rs

@@ -1,4 +1,4 @@
-/* Copyright 2022 Zinc Labs Inc. and Contributors
+/* Copyright 2026 OpenObserve Inc. and Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -31,9 +31,9 @@
 //!     #[env_config(default = "192.168.2.1")]
 //!     server_addr: String,
 //!     server_mode: bool,
-//!     #[env_config(name = "ZINC_ENABLE", default = true)]
+//!     #[env_config(name = "CONF_ENABLE", default = true)]
 //!     enable: bool,
-//!     #[env_config(name = "ZINC_NUMBER", default = 123456)]
+//!     #[env_config(name = "CONF_NUMBER", default = 123456)]
 //!     num: Option<i64>,
 //! }
 //!
@@ -56,21 +56,21 @@
 //! ## you can though system environments or `.env` file config it.
 //!
 //! ```ignore
-//! ZINC_ENABLE=false
-//! ZINC_NUMBER=8787878
+//! CONF_ENABLE=false
+//! CONF_NUMBER=8787878
 //! ```
 //!
 //! default load environment key is: `structName_fieldName` do UpperSnake, like above struct, default config key is:
 //!
 //! ```ignore
-//! CONFIG_SERVER_ADDR
-//! CONFIG_SERVER_MODE
-//! ZINC_ENABLE
-//! ZINC_NUMBER
+//! CONF_SERVER_ADDR
+//! CONF_SERVER_MODE
+//! CONF_ENABLE
+//! CONF_NUMBER
 //! ```
 //!
 //! If you have some problems please go to github create a issue.
-//! https://github.com/zinclabs/dotenv-config
+//! https://github.com/openobserve/dotenv-config
 //!
 
 use proc_macro::TokenStream;

tests/config.rs

@@ -26,9 +26,9 @@ struct Config {
     #[env_config(default = "192.168.2.1")]
     server_addr: String,
     server_mode: bool,
-    #[env_config(name = "ZINC_ENABLE", default = true, help = "this is important")]
+    #[env_config(name = "CONF_ENABLE", default = true, help = "this is important")]
     enable: bool,
-    #[env_config(name = "ZINC_NUMBER", default = 123456)]
+    #[env_config(name = "CONF_NUMBER", default = 123456)]
     num: Option<i64>,
     rr: Redis,
     #[env_config(parse, default = "green")]
@@ -40,7 +40,7 @@ struct Redis {
     addr: String,
     port: String,
     auth: String,
-    #[env_config(name = "ZINC_REDIS_TIMEOUT", default = 30)]
+    #[env_config(name = "CONF_REDIS_TIMEOUT", default = 30)]
     timeout: i32,
 }
 
@@ -60,14 +60,14 @@ fn test_config() {
 
     let help_keys = Config::get_help();
     println!("help_keys: {:?}", help_keys);
-    assert!(help_keys.contains_key("ZINC_ENABLE"));
-    assert!(help_keys.contains_key("ZINC_NUMBER"));
+    assert!(help_keys.contains_key("CONF_ENABLE"));
+    assert!(help_keys.contains_key("CONF_NUMBER"));
 
-    let keys = help_keys.get("ZINC_NUMBER").unwrap();
+    let keys = help_keys.get("CONF_NUMBER").unwrap();
     assert_eq!(keys.0, "123456"); // default value
     assert_eq!(keys.1, None); // help value
 
-    let keys = help_keys.get("ZINC_ENABLE").unwrap();
+    let keys = help_keys.get("CONF_ENABLE").unwrap();
     assert_eq!(keys.0, "true"); // default value
     assert_eq!(keys.1, Some("this is important".to_string())); // help value
 }