Prepare to release v0.9.0 (#1466)

* Prepare to release v0.9.0
* Use dev flag to indicate dev/release versions

.gitignore

@@ -21,3 +21,4 @@ coverage
 .ruby-version
 .tool-versions
 NOTES
+*.swp

lib/errbit/version.rb

@@ -2,12 +2,18 @@
 
 module Errbit
   class Version
+    def initialize(ver, dev = false)
+      @version = ver
+      @dev = dev
+    end
+
     def full_version
-      [
-        '0.9.0',
-        'dev',
-        source_version
-      ].compact.join('-')
+      full = [@version]
+      if @dev
+        full << "dev"
+        full << source_version
+      end
+      full.compact.join('-')
     end
 
     def source_version
@@ -16,5 +22,5 @@ def source_version
     end
   end
 
-  VERSION = Version.new.full_version
+  VERSION = Version.new('0.9.0').full_version
 end

spec/lib/errbit/version_spec.rb

@@ -1,13 +1,34 @@
 describe Errbit::VERSION do
-  subject { Errbit::Version.new.full_version }
+  let(:version) { '0.0.0' }
 
-  it 'handles a missing commit sha' do
-    allow(ENV).to receive(:[]).with('SOURCE_VERSION') { nil }
-    expect(subject).to end_with('dev')
+  context "release version" do
+    subject { Errbit::Version.new(version).full_version }
+
+    it 'generates a release version' do
+      expect(subject).to eq(version)
+    end
+
+    it 'does not use a commit sha' do
+      allow(ENV).to receive(:[]).with('SOURCE_VERSION') { 'abcd1234efgh56789' }
+      expect(subject).to eq(version)
+    end
   end
 
-  it 'shortens a present commit sha' do
-    allow(ENV).to receive(:[]).with('SOURCE_VERSION') { 'abcd1234efgh56789' }
-    expect(subject).to end_with('dev-abcd1234')
+  context "dev version" do
+    subject { Errbit::Version.new(version, true).full_version }
+
+    it 'generates a dev version' do
+      expect(subject).to end_with('dev')
+    end
+
+    it 'handles a missing commit sha' do
+      allow(ENV).to receive(:[]).with('SOURCE_VERSION') { nil }
+      expect(subject).to end_with('dev')
+    end
+
+    it 'shortens a present commit sha' do
+      allow(ENV).to receive(:[]).with('SOURCE_VERSION') { 'abcd1234efgh56789' }
+      expect(subject).to end_with('dev-abcd1234')
+    end
   end
 end