add warning to scripts/update-flake.sh

johnstcn · johnstcn · commit b1534fb4b1ef · 2024-06-21T09:32:53.000+01:00
diff --git a/scripts/update-flake.sh b/scripts/update-flake.sh
@@ -3,6 +3,12 @@
 
 set -eu
 
+# CI only checks the hash on linux/amd64. If you run it in any other os/arch
+# then the hash won't match.
+if [[ $(go env GOARCH) != "amd64" ]] || [[ $(go env GOOS) != "linux" ]]; then
+  echo "WARNING: This script should only be run on a linux/amd64 machine!"
+fi
+
 cd "$(dirname "${BASH_SOURCE[0]}")/.."
 
 OUT=$(mktemp -d -t nar-hash-XXXXXX)
