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-rw-r--r--src/lua/mod.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/lua/mod.rs b/src/lua/mod.rs
index 1b86582..89ff4c2 100644
--- a/src/lua/mod.rs
+++ b/src/lua/mod.rs
@@ -152,6 +152,21 @@ mod lua_exports {
Ok(result)
}
+ pub fn check_dependencies(commands: Vec<String>) -> Result<(), rlua::Error> {
+ let mut missing_deps = Vec::new();
+ for command in commands.iter() {
+ if !has_cmd(command)? {
+ missing_deps.push(command.clone());
+ }
+ }
+
+ if missing_deps.len() > 0 {
+ return Err(LuaError::RuntimeError(format!("missing dependencies: {}", missing_deps.join(", "))));
+ }
+
+ Ok(())
+ }
+
pub fn metric(name: String, value: String, job_ctx: Arc<Mutex<RunningJob>>) -> Result<(), rlua::Error> {
let rt = tokio::runtime::Builder::new_current_thread()
.enable_all()
@@ -283,6 +298,10 @@ impl BuildEnv {
Ok(())
})?;
+ let check_dependencies = decl_env.create_function("dependencies", move |_, job_ref, commands: Vec<String>| {
+ lua_exports::check_dependencies(commands)
+ })?;
+
let build = decl_env.create_function("build", move |_, job_ref, (command, params): (LuaValue, LuaValue)| {
lua_exports::build_command_impl(command, params, job_ref)
})?;
@@ -337,6 +356,7 @@ impl BuildEnv {
vec![
("hello", hello),
("run", build),
+ ("dependencies", check_dependencies),
("metric", metric),
("error", error),
("artifact", artifact),