Fix NoMethodError when (un)locking single packages in apt and zypper

These resources don't coerce `package_name` to an array so would raise an
exception when trying to call `name.all?` when `package_name`, and thus `name`,
was a string.

Signed-off-by: Jonathan Hartman <j@hartman.io>

2 files changed, 32 insertions, 12 deletions

diff --git a/lib/chef/provider/package/apt.rb b/lib/chef/provider/package/apt.rb
index 2692ec9f15..798abf4680 100644
--- a/lib/chef/provider/package/apt.rb
+++ b/lib/chef/provider/package/apt.rb
@@ -70,12 +70,22 @@ class Chef
           @candidate_version ||= get_candidate_versions
         end
 
-        def package_locked(name, version)
-          locked = shell_out_compact_timeout!("apt-mark", "showhold")
-          locked_packages = locked.stdout.each_line.map do |line|
-            line.strip
-          end
-          name.all? { |n| locked_packages.include? n }
+        def packages_all_locked?(names, versions)
+          names.all? { |n| locked_packages.include? n }
+        end
+
+        def packages_all_unlocked?(names, versions)
+          names.all? { |n| !locked_packages.include? n }
+        end
+
+        def locked_packages
+          @locked_packages ||=
+            begin
+              locked = shell_out_compact_timeout!("apt-mark", "showhold")
+              locked.stdout.each_line.map do |line|
+                line.strip
+              end
+            end
         end
 
         def install_package(name, version)
diff --git a/lib/chef/provider/package/zypper.rb b/lib/chef/provider/package/zypper.rb
index 7d97bf310d..c2638fbfc1 100644
--- a/lib/chef/provider/package/zypper.rb
+++ b/lib/chef/provider/package/zypper.rb
@@ -75,12 +75,22 @@ class Chef
           end
         end
 
-        def package_locked(name, version)
-          locked = shell_out_compact_timeout!("zypper", "locks")
-          locked_packages = locked.stdout.each_line.map do |line|
-            line.split("|").shift(2).last.strip
-          end
-          name.all? { |n| locked_packages.include? n }
+        def packages_all_locked?(names, versions)
+          names.all? { |n| locked_packages.include? n }
+        end
+
+        def packages_all_unlocked?(names, versions)
+          names.all? { |n| !locked_packages.include? n }
+        end
+
+        def locked_packages
+          @locked_packages ||=
+            begin
+              locked = shell_out_compact_timeout!("zypper", "locks")
+              locked.stdout.each_line.map do |line|
+                line.split("|").shift(2).last.strip
+              end
+            end
         end
 
         def load_current_resource