util::logger setup

libportage/util/logger.rs

@@ -0,0 +1,24 @@
+use log::{Record, Level, Metadata, SetLoggerError, LevelFilter};
+
+struct SimpleLogger;
+
+impl log::Log for SimpleLogger {
+    fn enabled(&self, metadata: &Metadata) -> bool {
+        metadata.level() <= Level::Info
+    }
+
+    fn log(&self, record: &Record) {
+        if self.enabled(record.metadata()) {
+            println!("{} - {}" , record.level(), record.args());
+        }
+    }
+
+    fn flush(&self) { }
+}
+
+static LOGGER: SimpleLogger = SimpleLogger;
+
+pub fn logger_init(level: LevelFilter) -> Result<(), SetLoggerError> {
+    log::set_logger(&LOGGER)
+        .map(|()| log::set_max_level(level))
+}

libportage/util/mod.rs

@@ -0,0 +1,2 @@
+
+pub mod logger;