Rust: config: replace verbose with verbosity

rust/extractor/src/config.rs

@@ -10,7 +10,6 @@ use figment::{
     Figment,
 };
 use itertools::Itertools;
-use num_traits::Zero;
 use ra_ap_cfg::{CfgAtom, CfgDiff};
 use ra_ap_ide_db::FxHashMap;
 use ra_ap_intern::Symbol;
@@ -52,7 +51,7 @@ pub struct Config {
     pub cargo_features: Vec<String>,
     pub cargo_cfg_overrides: Vec<String>,
     pub flame_log: Option<PathBuf>,
-    pub verbose: u8,
+    pub verbosity: Option<String>,
     pub compression: Compression,
     pub inputs: Vec<PathBuf>,
     pub qltest: bool,
@@ -66,7 +65,7 @@ impl Config {
             .context("expanding parameter files")?;
         let cli_args = CliConfig::parse_from(args);
         let mut figment = Figment::new()
-            .merge(Env::raw().only(["CODEQL_VERBOSE"].as_slice()))
+            .merge(Env::prefixed("CODEQL_"))
             .merge(Env::prefixed("CODEQL_EXTRACTOR_RUST_"))
             .merge(Env::prefixed("CODEQL_EXTRACTOR_RUST_OPTION_"))
             .merge(Serialized::defaults(cli_args));

rust/extractor/src/main.rs

@@ -194,6 +194,7 @@ fn main() -> anyhow::Result<()> {
     tracing_subscriber::registry()
         .with(codeql_extractor::extractor::default_subscriber_with_level(
             "single_arch",
+            &cfg.verbosity,
         ))
         .with(flame_layer.map(|x| x.0))
         .init();

shared/tree-sitter-extractor/src/extractor/mod.rs

@@ -22,15 +22,17 @@ pub mod simple;
 /// `RUST_LOG` and `CODEQL_VERBOSITY` (prioritized in that order),
 /// falling back to `warn` if neither is set.
 pub fn set_tracing_level(language: &str) {
+    let verbosity = env::var("CODEQL_VERBOSITY").ok();
     tracing_subscriber::registry()
-        .with(default_subscriber_with_level(language))
+        .with(default_subscriber_with_level(language, &verbosity))
         .init();
 }
 
 /// Create a `Subscriber` configured with the tracing level based on the environment variables
-/// `RUST_LOG` and `CODEQL_VERBOSITY` (prioritized in that order), falling back to `warn` if neither is set.
+/// `RUST_LOG` and `verbosity` (prioritized in that order), falling back to `warn` if neither is set.
 pub fn default_subscriber_with_level(
     language: &str,
+    verbosity: &Option<String>,
 ) -> Filtered<
     tracing_subscriber::fmt::Layer<
         tracing_subscriber::Registry,
@@ -47,7 +49,8 @@ pub fn default_subscriber_with_level(
         .with_filter(
             tracing_subscriber::EnvFilter::try_from_default_env().unwrap_or_else(
                 |_| -> tracing_subscriber::EnvFilter {
-                    let verbosity = env::var("CODEQL_VERBOSITY")
+                    let verbosity = verbosity
+                        .as_ref()
                         .map(|v| match v.to_lowercase().as_str() {
                             "off" | "errors" => "error",
                             "warnings" => "warn",
@@ -56,7 +59,7 @@ pub fn default_subscriber_with_level(
                             "trace" | "progress++" | "progress+++" => "trace",
                             _ => "warn",
                         })
-                        .unwrap_or_else(|_| "warn");
+                        .unwrap_or_else(|| "warn");
                     tracing_subscriber::EnvFilter::new(format!(
                         "{language}_extractor={verbosity},codeql_extractor={verbosity}"
                     ))