Ability to create only date log file name

.gitignore

@@ -14,4 +14,5 @@ todo
 tests/*logspec.toml
 *~
 .*~
-.vscode
+.vscode
+.idea/

src/file_spec.rs

@@ -96,6 +96,15 @@ impl FileSpec {
  }
  }
 
+ /// Makes the logger not include a basename into the names of the log files
+ ///
+ /// Equivalent to `basename("")`.
+ #[must_use]
+ pub fn suppress_basename(mut self) -> Self {
+ self.basename = "".into();
+ self
+ }
+
  /// The specified String is used as the basename of the log file name,
  /// instead of the program name. Using a file separator within the argument is discouraged.
  #[must_use]
@@ -214,10 +223,11 @@ impl FileSpec {
  filename.reserve(50);
 
  if let Some(discriminant) = &self.o_discriminant {
- filename.push('_');
+ if !filename.is_empty() { filename.push('_'); }
  filename.push_str(discriminant);
  }
  if let Some(timestamp) = &self.timestamp_cfg.get_timestamp() {
+ if !filename.is_empty() { filename.push('_'); }
  filename.push_str(timestamp);
  }
  if let Some(infix) = o_infix {
@@ -239,10 +249,11 @@ impl FileSpec {
  filename.reserve(50);
 
  if let Some(discriminant) = &self.o_discriminant {
- filename.push('_');
+ if !filename.is_empty() { filename.push('_'); }
  filename.push_str(discriminant);
  }
  if let Some(timestamp) = &self.timestamp_cfg.get_timestamp() {
+ if !filename.is_empty() { filename.push('_'); }
  filename.push_str(timestamp);
  }
  filename.push_str(infix_pattern);
@@ -266,7 +277,7 @@ impl FileSpec {
  }
 }
 
-const TS_USCORE_DASHES_USCORE_DASHES: &str = "_%Y-%m-%d_%H-%M-%S";
+const TS_USCORE_DASHES_USCORE_DASHES: &str = "%Y-%m-%d_%H-%M-%S";
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 enum TimestampCfg {

tests/test_file_writer.rs

@@ -3,7 +3,7 @@ mod test_utils;
 use flexi_logger::{detailed_format, opt_format, Cleanup, Criterion, FileSpec, Logger, Naming};
 use log::*;
 
-const COUNT: u8 = 6;
+const COUNT: u8 = 8;
 
 #[test]
 fn test_write_modes() {
@@ -73,6 +73,21 @@ fn work(value: u8) {
  .discriminant("foo"),
  );
  }
+ 6 => {
+ logger = logger.format(opt_format).log_to_file(
+ FileSpec::default()
+ .directory(self::test_utils::dir())
+ .suppress_basename(),
+ );
+ }
+ 7 => {
+ logger = logger.format(opt_format).log_to_file(
+ FileSpec::default()
+ .directory(self::test_utils::dir())
+ .suppress_basename()
+ .discriminant("foo"),
+ );
+ }
  COUNT..=u8::MAX => {
  unreachable!("dtrtgfg")
  }