1 files changed, 20 insertions, 0 deletions
diff --git a/src/info.rs b/src/info.rs
index 5653326..e441b16 100644
--- a/src/info.rs
+++ b/src/info.rs
@@ -28,3 +28,23 @@ pub fn time(offset: time::UtcOffset) -> anyhow::Result<String> {
         time::OffsetDateTime::now_utc().to_offset(offset),
     ))
 }
+
+// the time crate is currently unable to get the local offset on unix due to
+// soundness concerns, so we have to do it manually/:
+//
+// https://github.com/time-rs/time/issues/380
+pub fn get_offset() -> time::UtcOffset {
+    let offset_str =
+        std::process::Command::new("date").args(&["+%:z"]).output();
+    if let Ok(offset_str) = offset_str {
+        let offset_str = String::from_utf8(offset_str.stdout).unwrap();
+        time::UtcOffset::parse(
+            offset_str.trim(),
+            &time::format_description::parse("[offset_hour]:[offset_minute]")
+                .unwrap(),
+        )
+        .unwrap_or(time::UtcOffset::UTC)
+    } else {
+        time::UtcOffset::UTC
+    }
+}