new: embed generation metadata (generator & xml)

build.rs

@@ -0,0 +1,18 @@
+use vergen_gitcl::{BuildBuilder, Emitter, GitclBuilder};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Get build metadata
+    let build = BuildBuilder::default().build_timestamp(true).build()?;
+    let gitcl = GitclBuilder::default()
+        .commit_date(true)
+        .describe(false, true, None)
+        .commit_timestamp(true)
+        .sha(false)
+        .build()?;
+    Emitter::default()
+        .add_instructions(&build)?
+        .add_instructions(&gitcl)?
+        .emit()?;
+
+    Ok(())
+}