Merge pull request #3849 from roc-lang/small-ci-rebirth

set up small-ci again

crates/compiler/builtins/bitcode/run-tests.sh

@@ -1,9 +1,10 @@
 #!/usr/bin/env bash
 
+# https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
 set -euxo pipefail
 
-# Test every zig
+# Execute zig tests (see build.zig)
 zig build test
 
-# fmt every zig
+# check formatting of zig files
 find src/*.zig -type f -print0 | xargs -n 1 -0 zig fmt --check || (echo "zig fmt --check FAILED! Check the previous lines to see which files were improperly formatted." && exit 1)

crates/compiler/builtins/bitcode/run-wasm-tests.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 
+# https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
 set -euxo pipefail
 
 # Test failures will always point at the _start function