Replace error-chain witch thiserror

Author: sirhcel

Cargo.lock

@@ -18,7 +18,6 @@ Rust applications or any other applications.
 
 [dependencies]
 clap = { version = "4.5.48", features = ["derive"] }
-error-chain = "0.12"
 sysfs_gpio = "0.6.2"
 toml = { version = "<=0.9.6", default-features = false, features = ["parse", "serde"] }
 glob = "0.3.3"
@@ -36,6 +35,7 @@ backtrace = "=0.3.74"
 serde_spanned = "<=1.0.1"
 toml_datetime = "<=0.7.1"
 toml_parser = "<=1.0.2"
+thiserror = { version = "2.0.16", default-features = false }
 
 
 [[bin]]

Cargo.toml

@@ -6,19 +6,26 @@
 // option.  This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use error_chain::error_chain;
 use nix::Error as NixError;
 use std::io::Error as IoError;
 use sysfs_gpio::Error as GpioError;
 
-error_chain! {
-    types {
-        Error, ErrorKind, ResultExt, Result;
-    }
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error(transparent)]
+    Gpio(#[from] GpioError),
+    #[error(transparent)]
+    Nix(#[from] NixError),
+    #[error(transparent)]
+    Io(#[from] IoError),
+    #[error("{0}")]
+    Msg(String),
+}
 
-    foreign_links {
-        Gpio(GpioError);
-        Nix(NixError);
-        Io(IoError);
+impl From<String> for Error {
+    fn from(msg: String) -> Error {
+        Error::Msg(msg)
     }
 }
+
+pub type Result<T> = std::result::Result<T, Error>;