nix: write nixos test configuration

- filter rust sources to avoid spurious rebuilds
- fix accidental circular reference in nix flake
- fix postgres startup scripts and behavior
- thulani logger doesn't log to file by default

1 files changed, 24 insertions, 18 deletions

diff --git a/src/log_setup.rs b/src/log_setup.rs
index a51ebcc..c01f3f5 100644
--- a/src/log_setup.rs
+++ b/src/log_setup.rs
@@ -2,13 +2,13 @@ use crate::{Result, Error};
 
 use fern::colors::{Color, ColoredLevelConfig};
 
-pub fn init() -> Result<()> {
+pub fn init(file_output: bool) -> Result<()> {
     let colors = ColoredLevelConfig::new()
         .info(Color::Green)
         .debug(Color::BrightBlue)
         .trace(Color::BrightMagenta);
 
-    fern::Dispatch::new()
+    let mut logger = fern::Dispatch::new()
         .level_for("serenity::voice::connection", log::LevelFilter::Error)
         .chain(fern::Dispatch::new()
             .format(move |out, message, record| {
@@ -23,21 +23,27 @@ pub fn init() -> Result<()> {
             .level(log::LevelFilter::Warn)
             .level_for("thulani", log::LevelFilter::Debug)
             .chain(std::io::stdout())
-        )
-        .chain(fern::Dispatch::new()
-            .format(|out, message, record| {
-                out.finish(format_args!(
-                    "{} [{}] [{}] {}",
-                    chrono::Local::now().format("%_m/%_d/%y %l:%M:%S%P"),
-                    record.level(),
-                    record.target(),
-                    message
-                ))
-            })
-            .level(log::LevelFilter::Info)
-            .level_for("thulani", log::LevelFilter::Trace)
-            .chain(fern::log_file("thulani.log").expect("problem creating log file"))
-        )
+        );
+
+    if file_output {
+        logger = logger
+            .chain(fern::Dispatch::new()
+                .format(|out, message, record| {
+                    out.finish(format_args!(
+                        "{} [{}] [{}] {}",
+                        chrono::Local::now().format("%_m/%_d/%y %l:%M:%S%P"),
+                        record.level(),
+                        record.target(),
+                        message
+                    ))
+                })
+                .level(log::LevelFilter::Info)
+                .level_for("thulani", log::LevelFilter::Trace)
+                .chain(fern::log_file("thulani.log").expect("problem creating log file"))
+            );
+    }
+
+    logger
         .apply()
         .map_err(Error::from)
-}
\ No newline at end of file
+}