Merge pull request #61 from DeterminateSystems/grahamc-patch-1

Ignore post-build-hook errors

magic-nix-cache/src/main.rs

@@ -261,7 +261,7 @@ async fn main_cli() -> Result<()> {
             format!(
                 // NOTE(cole-h): We want to exit 0 even if the hook failed, otherwise it'll fail the
                 // build itself
-                "#! /bin/sh\nRUST_LOG=trace RUST_BACKTRACE=full exec {} --server {}\n",
+                "#! /bin/sh\nRUST_LOG=trace RUST_BACKTRACE=full {} --server {} || :\n",
                 std::env::current_exe()
                     .with_context(|| "Getting the path of magic-nix-cache")?
                     .display(),