1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/handlebars/src/cli.rs b/vendor/handlebars/src/cli.rs
new file mode 100644
index 000000000..571900da2
--- /dev/null
+++ b/vendor/handlebars/src/cli.rs
@@ -0,0 +1,51 @@
+use std::env;
+use std::fs;
+use std::process;
+use std::str::FromStr;
+
+use serde_json::value::Value as Json;
+
+use handlebars::Handlebars;
+
+fn usage() -> ! {
+    eprintln!("Usage: handlebars-cli template.hbs '{{\"json\": \"data\"}}'");
+    process::exit(1);
+}
+
+fn parse_json(text: &str) -> Json {
+    let result = if let Some(text) = text.strip_prefix('@') {
+        fs::read_to_string(text).unwrap()
+    } else {
+        text.to_owned()
+    };
+    match Json::from_str(&result) {
+        Ok(json) => json,
+        Err(_) => usage(),
+    }
+}
+
+fn main() {
+    let mut args = env::args();
+    args.next(); // skip own filename
+    let (filename, json) = match (args.next(), args.next()) {
+        (Some(filename), Some(json)) => (filename, json),
+        _ => usage(),
+    };
+    let data = parse_json(&json);
+
+    let mut handlebars = Handlebars::new();
+
+    handlebars
+        .register_template_file(&filename, &filename)
+        .ok()
+        .unwrap();
+    match handlebars.render(&filename, &data) {
+        Ok(data) => {
+            println!("{}", data);
+        }
+        Err(e) => {
+            println!("Error rendering {}: {}", filename, e);
+            process::exit(2);
+        }
+    }
+}