Empty image: package list splitting and iteration

A few short fixes to splitting/iteration done over package lists
in license.bbclass, package_manager.py and rootfs.py.

[YOCTO #7664]

(From OE-Core rev: a902e98c5938f52ec960e0518e0ceaf8f5ee610c)

Signed-off-by: Alex Franco <alejandro.franco@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

3 files changed, 5 insertions, 4 deletions

diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index 32e172afc7..c616a20121 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -39,7 +39,7 @@ python license_create_manifest() {
         return 0
 
     pkg_dic = {}
-    for pkg in image_list_installed_packages(d).split("\n"):
+    for pkg in image_list_installed_packages(d).splitlines():
         pkg_info = os.path.join(d.getVar('PKGDATA_DIR', True),
                                 'runtime-reverse', pkg)
         pkg_name = os.path.basename(os.readlink(pkg_info))
diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
index 2ab1d78bca..ef917f15b2 100644
--- a/meta/lib/oe/package_manager.py
+++ b/meta/lib/oe/package_manager.py
@@ -995,9 +995,10 @@ class RpmPM(PackageManager):
     '''
     def install(self, pkgs, attempt_only=False):
 
-        bb.note("Installing the following packages: %s" % ' '.join(pkgs))
-        if attempt_only and len(pkgs) == 0:
+        if not pkgs:
+            bb.note("There are no packages to install")
             return
+        bb.note("Installing the following packages: %s" % ' '.join(pkgs))
         pkgs = self._pkg_translate_oe_to_smart(pkgs, attempt_only)
 
         if not attempt_only:
diff --git a/meta/lib/oe/rootfs.py b/meta/lib/oe/rootfs.py
index 8c8244c453..c29843b054 100644
--- a/meta/lib/oe/rootfs.py
+++ b/meta/lib/oe/rootfs.py
@@ -235,7 +235,7 @@ class Rootfs(object):
                 installed_pkgs_dir = self.d.expand('${WORKDIR}/installed_pkgs.txt')
                 pkgs_to_remove = list()
                 with open(installed_pkgs_dir, "r+") as installed_pkgs:
-                    pkgs_installed = installed_pkgs.read().split('\n')
+                    pkgs_installed = installed_pkgs.read().splitlines()
                     for pkg_installed in pkgs_installed[:]:
                         pkg = pkg_installed.split()[0]
                         if pkg in ["update-rc.d",