From a4b539ac2ac8cea5ab4625baa64e8ab6773f7378 Mon Sep 17 00:00:00 2001
From: Wim Looman <git@nemo157.com>
Date: Fri, 11 Nov 2022 18:20:01 +0100
Subject: [PATCH] If syntax submodules don't exist at all, initialize them

---
 build.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/build.rs b/build.rs
index 43f1e3e1f..c592b247c 100644
--- a/build.rs
+++ b/build.rs
@@ -191,6 +191,16 @@ fn compile_syntax(out_dir: &Path) -> Result<()> {
         parsing::{SyntaxDefinition, SyntaxSetBuilder},
     };
 
+    if std::fs::metadata("assets/syntaxes").is_err() {
+        let status = std::process::Command::new("git")
+            .args(["submodule", "update", "--init"])
+            .status()
+            .context("attempting to initialize submodules")?;
+        if !status.success() {
+            return Err(anyhow::anyhow!("initializing submodules failed"));
+        }
+    }
+
     fn tracked_add_from_folder(
         builder: &mut SyntaxSetBuilder,
         path: impl AsRef<Path>,