otter(1): Add env_logger

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/bin/otter.rs b/src/bin/otter.rs
index 3a0ed2efb2a53fb1f46e0e858f10447bec078c43..4471fb1a640cbd873086a11ba3a58b41c5c4a96e 100644 (file)
--- a/src/bin/otter.rs
+++ b/src/bin/otter.rs
@@ -348,6 +348,11 @@ fn main() {
     access, socket_path, verbose, config_filename, superuser,
     subcommand, subargs, spec_dir, layout,
   }|{
+    env_logger::Builder::new()
+      .filter_level(log::LevelFilter::Info)
+      .parse_env("OTTERCLI_LOG")
+      .init();
+
     let config = Thunk::<Result<(Arc<ServerConfig>,String),APE>,_>::new(
       move ||{
         (||{