diff --git a/bake/bakefile.py b/bake/bakefile.py
index f9092f6..b502668 100644
--- a/bake/bakefile.py
+++ b/bake/bakefile.py
@@ -144,6 +144,8 @@ class TaskScript(BaseAction):
             if line.startswith(indent_style):
                 return line[len(indent_style) :]
 
+        return line
+
     def temp_source(self):
         tf = mkstemp(suffix=".sh", prefix="bashf-")[1]
 
@@ -170,17 +172,27 @@ class TaskScript(BaseAction):
             script = shlex_quote(f"{tf} {args} 2>&1 | bake-indent")
         cmd = f"bash --init-file {shlex_quote(stdlib_path)} -i -c {script}"
 
+        return_code = os.system(cmd)
+
         if debug:
             click.echo(f"$ {cmd}", err=True)
+        else:
+            os.remove(tf)
 
-        return os.system(cmd)
+        return return_code
 
     def shellcheck(self, *, silent=False, debug=False, **kwargs):
         tf = self.temp_source()
         cmd = f"shellcheck {shlex_quote(tf)} --external-sources --format=json"
+
+        c = delegator.run(cmd)
+
         if debug:
             click.echo(f"$ {cmd}", err=True)
-        return delegator.run(cmd)
+        else:
+            os.remove(tf)
+
+        return c
 
     @property
     def name(self):
diff --git a/bake/tests/fixtures/1.Bakefile b/bake/tests/fixtures/1.Bakefile
index ce9b604..7d05e53 100644
--- a/bake/tests/fixtures/1.Bakefile
+++ b/bake/tests/fixtures/1.Bakefile
@@ -2,9 +2,12 @@ test1: test2 test3
     source ./
 test2: test3
     echo '2'
-test3:
-    echo '3'
+test3: echo
+    echo 'hm'
 
+python:
+    #!/usr/bin/env python
+    print('wow!')
 
 echo:
     echo 'hi, kenneth!'
diff --git a/bake/tests/test_bakefile.py b/bake/tests/test_bakefile.py
index 425d313..5306517 100644
--- a/bake/tests/test_bakefile.py
+++ b/bake/tests/test_bakefile.py
@@ -11,3 +11,8 @@ def test_first_level_dep(bake):
 def test_second_level_dep(bake):
     c = bake("needs-needs", fixture="1")
     assert "kenneth" in c.out
+
+
+def test_python_invocation(bake):
+    c = bake("python", fixture="1")
+    assert "wow" in c.out
diff --git a/bake/tests/test_sourcing.py b/bake/tests/test_sourcing.py
new file mode 100644
index 0000000..e69de29