add aliases for bump-version alpha option

diff --git a/helpers/bump-version b/helpers/bump-version
index 651c4b9..b72e905 100755 (executable)
--- a/helpers/bump-version
+++ b/helpers/bump-version
@@ -7,11 +7,11 @@ use Getopt::Long qw(:config gnu_getopt);
 use File::Temp ();
 
 GetOptions(
-  "git"     => \my $git,
-  "force"   => \my $force,
-  'n|dry-run' => \my $dry_run,
-  'stable'  => \my $stable,
-  'alpha'   => \my $alpha,
+  'git'             => \my $git,
+  'force'           => \my $force,
+  'n|dry-run'       => \my $dry_run,
+  'stable'          => \my $stable,
+  'alpha|beta|dev'  => \my $alpha,
 ) or die("Error in command line arguments\n");
 
 my $old_version = shift