ofborg.log

Apr 24 22:56:20.659  INFO ofborg_simple_build: Loading config
Apr 24 22:56:20.660  INFO ofborg_simple_build: Running build
Apr 24 22:56:20.660 DEBUG ofborg::nix: running build file=DefaultNixpkgs attrs=["hello"]

ofborg.patch

diff --git a/ofborg-simple-build/src/main.rs b/ofborg-simple-build/src/main.rs
index 6583c77..6772bf5 100644
--- a/ofborg-simple-build/src/main.rs
+++ b/ofborg-simple-build/src/main.rs
@@ -1,6 +1,3 @@
-#[macro_use]
-extern crate log;
-
 use std::env;
 use std::fs::File;
 use std::io::Read;
@@ -10,13 +7,14 @@ use ofborg::config;
 use ofborg::nix;
 
 fn main() {
-    ofborg::setup_log();
+    env::set_var("RUST_LOG", "debug");
+    tracing_subscriber::fmt::init();
 
-    log::info!("Loading config...");
+    tracing::info!("Loading config");
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     let nix = cfg.nix();
 
-    log::info!("Running build...");
+    tracing::info!("Running build");
     match nix.safely_build_attrs(
         &Path::new("./"),
         nix::File::DefaultNixpkgs,
diff --git a/ofborg/src/nix.rs b/ofborg/src/nix.rs
index e0bb21a..a4517b0 100644
--- a/ofborg/src/nix.rs
+++ b/ofborg/src/nix.rs
@@ -2,6 +2,7 @@ use crate::asynccmd::{AsyncCmd, SpawnedAsyncCmd};
 use crate::ofborg::partition_result;
 
 use tempfile::tempfile;
+use tracing::{event, Level};
 
 use std::collections::HashMap;
 use std::env;
@@ -192,6 +193,7 @@ impl Nix {
         attrs: Vec<String>,
     ) -> Result<fs::File, fs::File> {
         let mut command = self.safe_command::<&OsStr>(&Operation::Build, nixpkgs, &[], &[]);
+        event!(Level::DEBUG, ?file, ?attrs, "running build");
         self.set_attrs_command(&mut command, file, attrs);
         self.run(command, true)
     }