removed outdated dependency derivative

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change Log
 
+## next
+
+### Fixed
+
+* removed outdated dependency `derivative`
+
 ## [1.3.0]
 
 ### New

Cargo.toml

@@ -73,7 +73,6 @@ parking_lot = { version = "0.12.0", optional = true }
 rand = { version = "0.8", optional = true}
 thiserror = "1.0.15"
 anyhow = "1.0.28"
-derivative = "2.2"
 once_cell = "1.17.1"
 
 [target.'cfg(windows)'.dependencies]

src/append/console.rs

@@ -2,7 +2,6 @@
 //!
 //! Requires the `console_appender` feature.
 
-use derivative::Derivative;
 use log::Record;
 use std::{
     fmt,
@@ -51,6 +50,16 @@ enum Writer {
     Raw(StdWriter),
 }
 
+impl fmt::Debug for Writer {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let str = match self {
+            Writer::Tty(_) => "TTY",
+            Writer::Raw(_) => "Raw",
+        };
+        f.write_str(str)
+    }
+}
+
 impl Writer {
     fn lock(&self) -> WriterLock {
         match *self {
@@ -117,10 +126,8 @@ impl<'a> encode::Write for WriterLock<'a> {
 ///
 /// It supports output styling if standard out is a console buffer on Windows
 /// or is a TTY on Unix.
-#[derive(Derivative)]
-#[derivative(Debug)]
+#[derive(Debug)]
 pub struct ConsoleAppender {
-    #[derivative(Debug = "ignore")]
     writer: Writer,
     encoder: Box<dyn Encode>,
     do_write: bool,

src/append/file.rs

@@ -2,11 +2,11 @@
 //!
 //! Requires the `file_appender` feature.
 
-use derivative::Derivative;
 use log::Record;
 use parking_lot::Mutex;
 use std::{
     fs::{self, File, OpenOptions},
+    fmt::{Debug, Formatter},
     io::{self, BufWriter, Write},
     path::{Path, PathBuf},
 };
@@ -32,15 +32,22 @@ pub struct FileAppenderConfig {
 }
 
 /// An appender which logs to a file.
-#[derive(Derivative)]
-#[derivative(Debug)]
 pub struct FileAppender {
     path: PathBuf,
-    #[derivative(Debug = "ignore")]
     file: Mutex<SimpleWriter<BufWriter<File>>>,
     encoder: Box<dyn Encode>,
 }
 
+impl Debug for FileAppender {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct(stringify!(FileAppender))
+            .field("path", &self.path)
+            // ignore file
+            .field("encoder", &self.encoder)
+            .finish()
+    }
+}
+
 impl Append for FileAppender {
     fn append(&self, record: &Record) -> anyhow::Result<()> {
         let mut file = self.file.lock();

src/append/rolling_file/mod.rs

@@ -16,11 +16,11 @@
 //!
 //! Requires the `rolling_file_appender` feature.
 
-use derivative::Derivative;
 use log::Record;
 use parking_lot::Mutex;
 use std::{
     fs::{self, File, OpenOptions},
+    fmt::{Debug, Formatter},
     io::{self, BufWriter, Write},
     path::{Path, PathBuf},
 };
@@ -151,17 +151,26 @@ impl<'a> LogFile<'a> {
 }
 
 /// An appender which archives log files in a configurable strategy.
-#[derive(Derivative)]
-#[derivative(Debug)]
 pub struct RollingFileAppender {
-    #[derivative(Debug = "ignore")]
     writer: Mutex<Option<LogWriter>>,
     path: PathBuf,
     append: bool,
     encoder: Box<dyn Encode>,
     policy: Box<dyn policy::Policy>,
 }
 
+impl Debug for RollingFileAppender {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct(stringify!(RollingFileAppender))
+            // ignore writer
+            .field("path", &self.path)
+            .field("append", &self.append)
+            .field("encoder", &self.encoder)
+            .field("policy", &self.policy)
+            .finish()
+    }
+}
+
 impl Append for RollingFileAppender {
     fn append(&self, record: &Record) -> anyhow::Result<()> {
         // TODO(eas): Perhaps this is better as a concurrent queue?

src/config/raw.rs

@@ -94,7 +94,6 @@ use std::{
 };
 
 use anyhow::anyhow;
-use derivative::Derivative;
 use log::LevelFilter;
 use serde::de::{self, Deserialize as SerdeDeserialize, DeserializeOwned};
 use serde_value::Value;
@@ -432,17 +431,24 @@ where
     Option::<S>::deserialize(d).map(|r| r.map(|s| s.0))
 }
 
-#[derive(Clone, Debug, Derivative, serde::Deserialize)]
-#[derivative(Default)]
+#[derive(Clone, Debug, serde::Deserialize)]
 #[serde(deny_unknown_fields)]
 struct Root {
     #[serde(default = "root_level_default")]
-    #[derivative(Default(value = "root_level_default()"))]
     level: LevelFilter,
     #[serde(default)]
     appenders: Vec<String>,
 }
 
+impl Default for Root {
+    fn default() -> Self {
+        Self{
+            level: root_level_default(),
+            appenders: vec![],
+        }
+    }
+}
+
 fn root_level_default() -> LevelFilter {
     LevelFilter::Debug
 }

src/encode/mod.rs

@@ -1,6 +1,5 @@
 //! Encoders
 
-use derivative::Derivative;
 use log::Record;
 use std::{fmt, io};
 
@@ -94,8 +93,6 @@ pub enum Color {
 ///
 /// Any fields set to `None` will be set to their default format, as defined
 /// by the `Write`r.
-#[derive(Derivative)]
-#[derivative(Debug)]
 #[derive(Clone, Eq, PartialEq, Hash, Default)]
 pub struct Style {
     /// The text (or foreground) color.
@@ -104,9 +101,18 @@ pub struct Style {
     pub background: Option<Color>,
     /// True if the text should have increased intensity.
     pub intense: Option<bool>,
-    #[derivative(Debug = "ignore")]
     _p: (),
 }
+impl fmt::Debug for Style {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct(stringify!(Style))
+            .field("text", &self.text)
+            .field("background", &self.background)
+            .field("intense", &self.intense)
+            // ignore _p
+            .finish()
+    }
+}
 
 impl Style {
     /// Returns a `Style` with all fields set to their defaults.

src/encode/pattern/mod.rs

@@ -122,9 +122,8 @@
 //! [MDC]: https://crates.io/crates/log-mdc
 
 use chrono::{Local, Utc};
-use derivative::Derivative;
 use log::{Level, Record};
-use std::{default::Default, io, process, thread};
+use std::{default::Default, io, process, thread, fmt::{Debug, Formatter}};
 
 use crate::encode::{
     self,
@@ -671,14 +670,19 @@ impl FormattedChunk {
 }
 
 /// An `Encode`r configured via a format string.
-#[derive(Derivative)]
-#[derivative(Debug)]
 #[derive(Clone, Eq, PartialEq, Hash)]
 pub struct PatternEncoder {
-    #[derivative(Debug = "ignore")]
     chunks: Vec<Chunk>,
     pattern: String,
 }
+impl Debug for PatternEncoder {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct(stringify!(PatternEncoder))
+            // ignore chunks
+            .field("pattern", &self.pattern)
+            .finish()
+    }
+}
 
 /// Returns a `PatternEncoder` using the default pattern of `{d} {l} {t} - {m}{n}`.
 impl Default for PatternEncoder {