Cmd: auto switch to heredoc if bash detected

tests/test_build.py

@@ -8,6 +8,7 @@ from podctl.visitors import (
     Base,
     Copy,
     Packages,
+    Run,
     User,
 )
 
@@ -77,13 +78,14 @@ def test_build_copy():
     )
 
 
-'''
+def test_build_run():
-
+    script_test(
-def test_build_files():
+        'build_run',
-    result = str(BuildScript(Container(
+        Base('alpine'),
-        base='alpine',
+        Run('foo'),
-        files=[
+        Run('sudo bar'),
-            Directory('/app', '0500').add('setup.py', 'podctl'),
+        Run('sudo bar > test'),
-        ]
+        Run('''
-    )))
+        bar
-    '''
+        '''),
+    )

tests/test_build_run.sh

@@ -0,0 +1,27 @@
+#/usr/bin/env bash
+base="alpine"
+repo="None"
+mounts=()
+umounts() {
+    for i in "${mounts[@]}"; do
+        umount $i
+        mounts=("${mounts[@]/$i}")
+    done
+    buildah unmount $ctr
+    trap - 0
+}
+trap umounts 0
+ctr=$(buildah from $base)
+mnt=$(buildah mount $ctr)
+echo "Run.build"
+buildah run $ctr -- foo
+echo "Run.build"
+buildah run --user root $ctr -- bar
+echo "Run.build"
+buildah run --user root $ctr -- bash -eux <<__EOF
+ bar > test 
+__EOF
+echo "Run.build"
+buildah run $ctr -- bash -eux <<__EOF
+ bar 
+__EOF