Vendor things

third-party/vendor/eyre/tests/common/mod.rs

@@ -0,0 +1,29 @@
+#![allow(dead_code)]
+
+use eyre::{bail, set_hook, DefaultHandler, InstallError, Result};
+use once_cell::sync::OnceCell;
+use std::io;
+
+pub fn bail_literal() -> Result<()> {
+    bail!("oh no!");
+}
+
+pub fn bail_fmt() -> Result<()> {
+    bail!("{} {}!", "oh", "no");
+}
+
+pub fn bail_error() -> Result<()> {
+    bail!(io::Error::new(io::ErrorKind::Other, "oh no!"));
+}
+
+// Tests are multithreaded- use OnceCell to install hook once if auto-install
+// feature is disabled.
+pub fn maybe_install_handler() -> Result<(), InstallError> {
+    static INSTALLER: OnceCell<Result<(), InstallError>> = OnceCell::new();
+
+    if cfg!(not(feature = "auto-install")) {
+        *INSTALLER.get_or_init(|| set_hook(Box::new(DefaultHandler::default_with)))
+    } else {
+        Ok(())
+    }
+}