ui/hob: enable building an image with minimal contents

This patch enables a user to build a rootfs containing only the selected
packages without having to have first selected a 'Base image'.

Fixes [YOCTO #1239]

(Bitbake rev: 05c82da31a69c910e72b58b07afcd9fca8c55479)

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 12 insertions, 2 deletions

diff --git a/bitbake/lib/bb/ui/crumbs/tasklistmodel.py b/bitbake/lib/bb/ui/crumbs/tasklistmodel.py
index f4dffc6a60..36a56736db 100644
--- a/bitbake/lib/bb/ui/crumbs/tasklistmodel.py
+++ b/bitbake/lib/bb/ui/crumbs/tasklistmodel.py
@@ -60,9 +60,19 @@ require %s
 
 IMAGE_INSTALL += "%s"
 """
-        meta_path = model.find_image_path(self.base_image)
 
-        recipe = template % (meta_path, self.userpkgs)
+        empty_template = """
+# Recipe generated by the HOB
+
+inherit core-image
+
+IMAGE_INSTALL = "%s"
+"""
+        if self.base_image and not self.base_image == "empty":
+            meta_path = model.find_image_path(self.base_image)
+            recipe = template % (meta_path, self.userpkgs)
+        else:
+            recipe = empty_template % self.allpkgs
 
         if os.path.exists(writepath):
             os.rename(writepath, "%s~" % writepath)