1 files changed, 47 insertions, 0 deletions
diff --git a/testing/geckodriver/src/build.rs b/testing/geckodriver/src/build.rs
new file mode 100644
index 0000000000..f77a3363fa
--- /dev/null
+++ b/testing/geckodriver/src/build.rs
@@ -0,0 +1,47 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use serde_json::Value;
+use std::fmt;
+
+include!(concat!(env!("OUT_DIR"), "/build-info.rs"));
+
+pub struct BuildInfo;
+
+impl BuildInfo {
+    pub fn version() -> &'static str {
+        crate_version!()
+    }
+
+    pub fn hash() -> Option<&'static str> {
+        COMMIT_HASH
+    }
+
+    pub fn date() -> Option<&'static str> {
+        COMMIT_DATE
+    }
+}
+
+impl fmt::Display for BuildInfo {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}", BuildInfo::version())?;
+        match (BuildInfo::hash(), BuildInfo::date()) {
+            (Some(hash), Some(date)) => write!(f, " ({} {})", hash, date)?,
+            (Some(hash), None) => write!(f, " ({})", hash)?,
+            _ => {}
+        }
+        Ok(())
+    }
+}
+
+impl From<BuildInfo> for Value {
+    fn from(_: BuildInfo) -> Value {
+        Value::String(BuildInfo::version().to_string())
+    }
+}
+
+/// Returns build-time information about geckodriver.
+pub fn build_info() -> BuildInfo {
+    BuildInfo {}
+}