Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/vendor/chalk-solve-0.87.0/src/logging.rs b/vendor/chalk-solve-0.87.0/src/logging.rs
new file mode 100644
index 000000000..a5be4d4d4
--- /dev/null
+++ b/vendor/chalk-solve-0.87.0/src/logging.rs
@@ -0,0 +1,19 @@
+/// Run an action with a tracing log subscriber. The logging level is loaded
+/// from `CHALK_DEBUG`.
+#[cfg(feature = "tracing-full")]
+pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
+    use tracing_subscriber::{layer::SubscriberExt, EnvFilter, Registry};
+    use tracing_tree::HierarchicalLayer;
+    let filter = EnvFilter::from_env("CHALK_DEBUG");
+    let subscriber = Registry::default()
+        .with(filter)
+        .with(HierarchicalLayer::new(2).with_writer(std::io::stdout));
+    tracing::subscriber::with_default(subscriber, action)
+}
+
+/// Run an action with a tracing log subscriber. The logging level is loaded
+/// from `CHALK_DEBUG`.
+#[cfg(not(feature = "tracing-full"))]
+pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
+    action()
+}