diff --git a/src/Composer/Command/RemoveCommand.php b/src/Composer/Command/RemoveCommand.php
index 24437207e..048baace0 100644
--- a/src/Composer/Command/RemoveCommand.php
+++ b/src/Composer/Command/RemoveCommand.php
@@ -35,7 +35,7 @@ class RemoveCommand extends BaseCommand
             ->setName('remove')
             ->setDescription('Removes a package from the require or require-dev.')
             ->setDefinition(array(
-                new InputArgument('packages', InputArgument::IS_ARRAY, 'Packages that should be removed.'),
+                new InputArgument('packages', InputArgument::IS_ARRAY | InputArgument::REQUIRED, 'Packages that should be removed.'),
                 new InputOption('dev', null, InputOption::VALUE_NONE, 'Removes a package from the require-dev section.'),
                 new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
                 new InputOption('no-update', null, InputOption::VALUE_NONE, 'Disables the automatic update of the dependencies.'),
diff --git a/src/Composer/Command/ShowCommand.php b/src/Composer/Command/ShowCommand.php
index a6a046a47..03542210e 100644
--- a/src/Composer/Command/ShowCommand.php
+++ b/src/Composer/Command/ShowCommand.php
@@ -256,6 +256,8 @@ EOT
         }
         if (Platform::isWindows()) {
             $width--;
+        } else {
+            $width = max(80, $width);
         }
 
         if ($input->getOption('path') && null === $composer) {
@@ -445,11 +447,10 @@ EOT
                     if (isset($package['path'])) {
                         $io->write(' ' . $package['path'], false);
                     }
-                    if (isset($package['warning'])) {
-                        $io->writeError('');
-                        $io->writeError('<warning>' . $package['warning'] . '</warning>', false);
-                    }
                     $io->write('');
+                    if (isset($package['warning'])) {
+                        $io->write('<warning>' . $package['warning'] . '</warning>');
+                    }
                 }
 
                 if ($showAllTypes) {
diff --git a/src/Composer/Repository/Vcs/BitbucketDriver.php b/src/Composer/Repository/Vcs/BitbucketDriver.php
index 707e8189f..7fc137c44 100644
--- a/src/Composer/Repository/Vcs/BitbucketDriver.php
+++ b/src/Composer/Repository/Vcs/BitbucketDriver.php
@@ -321,6 +321,11 @@ abstract class BitbucketDriver extends VcsDriver
             );
             $hasNext = true;
             while ($hasNext) {
+                // skip headless branches which seem to be deleted branches that bitbucket nevertheless returns in the API
+                if ($this->vcsType === 'hg' && empty($data['heads'])) {
+                    continue;
+                }
+
                 $branchData = JsonFile::parseJson($this->getContentsWithOAuthCredentials($resource), $resource);
                 foreach ($branchData['values'] as $data) {
                     $this->branches[$data['name']] = $data['target']['hash'];