diff --git a/justfile b/justfile
index f016cb7..7c71da6 100644
--- a/justfile
+++ b/justfile
@@ -16,8 +16,10 @@ clean-wasm-pack:
     rm pkg/rudus.js.backup
 
 from-branch := `git branch --show-current`
+git-good := if `git status -s` != "" { error("please commit changes first") } else { "ok" }
 
 release:
+    if `git status -s` == "" { error("please commit any changes first") }
     just wasm
     git commit -am "release build"
     git checkout release
@@ -25,6 +27,9 @@ release:
     git push
     git checkout {{from-branch}}
 
+ensure-gits-good:
+    echo {{git-good}}
+
 serve:
     open http://localhost:8080/index.html && miniserve pkg