Merge pull request #20 from Zaryob/develop

three girl in one cup

inary/cli/check.py

@@ -77,8 +77,11 @@ class Check(command.Command, metaclass=command.autocommand):
         elif self.args:
             pkgs = self.args
         else:
-            ctx.ui.info(_('Checking all installed packages.') + '\n')
+            ctx.ui.info(_('Checking all installed packages.'), color='blue')
             pkgs = inary.db.installdb.InstallDB().list_installed()
+        if not pkgs:
+            ctx.ui.error(_("No package has been installed yet. :("))
+            exit()
 
         necessary_permissions = True
 

inary/cli/removeorphaned.py

@@ -51,7 +51,7 @@ Remove all orphaned packages from the system.
         self.parser.add_option_group(group)
 
     def run(self):
-        self.init(database=True, write=False)
+        self.init()
         orphaned = self.installdb.get_orphaned()
         if ctx.get_option('exclude'):
             orphaned = inary.blacklist.exclude(orphaned, ctx.get_option('exclude'))

inary/operations/helper.py

@@ -101,11 +101,13 @@ def calculate_free_space_needed(order):
 
         else:
             total_needed += int(packagedb.get_package(pkg.name).installedSize)
+
     needed, symbol = util.human_readable_size(total_needed)
+
     if total_needed < 0:
-          ctx.ui.info(_("After this operation, {:.2f} {} space will be freed.").format(needed, symbol), color='cyan')
+          ctx.ui.info(_("After this operation, {:.2f} {} space will be freed.").format(abs(int(needed)), symbol), color='cyan')
     else:
-          ctx.ui.info(_("After this operation, {:.2f} {} space will be used.").format(needed, symbol), color='cyan')
+          ctx.ui.info(_("After this operation, {:.2f} {} space will be used.").format(abs(int(needed)), symbol), color='cyan')
 
     return total_needed