From 00ee103dc17368d7bfa08a2c50118951d1c35c2c Mon Sep 17 00:00:00 2001
From: Cole Helbling <cole.helbling@determinate.systems>
Date: Fri, 6 Oct 2023 14:00:06 -0700
Subject: [PATCH] nix flake lock after writing the new flake.nix contents

---
 src/cli/cmd/convert.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/cli/cmd/convert.rs b/src/cli/cmd/convert.rs
index c56e795a..1e300e47 100644
--- a/src/cli/cmd/convert.rs
+++ b/src/cli/cmd/convert.rs
@@ -83,7 +83,12 @@ impl CommandExecute for ConvertSubcommand {
             println!("{new_flake_contents}");
         } else {
             tokio::fs::write(self.flake_path, new_flake_contents).await?;
-            // TODO: nix flake lock?
+            tokio::process::Command::new("nix")
+                .args(&["--extra-experimental-features", "nix-command flakes"])
+                .arg("flake")
+                .arg("lock")
+                .status()
+                .await?;
         }
 
         Ok(ExitCode::SUCCESS)