Merge branch 'custom_logo'

Author: kjg

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Changelog
+
+## Version 1.1.0
+
+*Unreleased*
+
+**Features**
+
+- Added an optional `-l, [--logo=LOGO]` option to specify a path to the custom logo file to use in the slate install
+
+## Version 1.0.0
+
+*September 29, 2016*
+
+Initial release

README.md

@@ -52,6 +52,12 @@ To install slate into your docs folder run
   $ slate-installer install
 ```
 
+You can optionally specify the path to a custom logo to have that overwrite the slate logo during install
+
+```shell
+  $ slate-installer install -l path/to/logo.png
+```
+
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

lib/slate/installer/cli.rb

@@ -16,14 +16,50 @@ def self.source_paths
       end
 
       desc "install", "creates a docs folder and installs latest slate into it"
+      method_option :logo, :type => :string, :aliases => "-l", :desc => "path to custom logo file", :lazy_default => ""
       def install
+        if options[:logo]
+          logo = determine_logo_path(options[:logo])
+        end
+
         Dir.mktmpdir("slate-src-") do |tmpdir|
           output, _status = Open3.capture2e("git", "clone", "--depth", "1", "--progress", "https://github.com/lord/slate.git",  tmpdir)
           puts output
+
+          if logo
+            slate_logo_path = File.join(tmpdir, "source", "images", "logo.png")
+            logo_mode = File.stat(slate_logo_path).mode
+            create_file slate_logo_path, File.binread(logo), {:force => true}
+            chmod slate_logo_path, logo_mode, {}
+          end
+
           directory Pathname.new(tmpdir).basename, "docs", \
             mode: :preserve, recursive: true, exclude_pattern: /(?:\.git(?:hub)?\/)|(?:\.travis)/
         end
       end
+
+      private
+
+      def self.exit_on_failure?
+        true
+      end
+
+      def determine_logo_path(logo)
+        logo = String(logo)
+        if logo.empty?
+          logo = ask("Enter the path to the logo file:", :path => true)
+        end
+
+        if logo.empty?
+          raise ::Thor::MalformattedArgumentError, "A logo path must be provided when using the logo option"
+        end
+
+        unless File.file?(File.expand_path(logo))
+          raise ::Thor::MalformattedArgumentError, "The logo path provided is not a file"
+        end
+
+        logo
+      end
     end
   end
 end

slate-installer.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |spec|
   spec.authors       = ["Kevin Glowacz"]
   spec.email         = ["[email protected]"]
 
-  spec.summary       = "Easily slate powered docs to your app"
+  spec.summary       = "Easily add slate powered docs to your app"
   spec.description   = "This provides a utility to add and update your docs " \
                        "folder with the latest slate source"
   spec.homepage      = "https://github.com/kjg/slate-installer"

spec/fixtures/MyLogo.png

@@ -27,5 +27,61 @@
       deploys_sh = File.new("docs/deploy.sh")
       expect(deploys_sh.stat).to be_executable
     end
+
+    context "when no logo option" do
+      it "keeps the original logo" do
+        output
+        expect(FileUtils).not_to be_identical(File.expand_path("../../../fixtures/MyLogo.png", __FILE__), "docs/source/images/logo.png")
+      end
+    end
+
+    context "when specifying the logo option" do
+      context "when blank" do
+        subject { Slate::Installer::Cli.new([], {:logo => ""}) }
+
+        it "asks for a path" do
+          expect(subject).to receive(:ask).with("Enter the path to the logo file:", :path => true).and_return ""
+          begin
+            subject.install
+          rescue Thor::MalformattedArgumentError
+          end
+        end
+
+        context "and user input is also blank" do
+          it "raises an error" do
+            allow(subject).to receive(:ask).with("Enter the path to the logo file:", :path => true).and_return ""
+            expect {subject.install}.to raise_error(Thor::MalformattedArgumentError, "A logo path must be provided when using the logo option")
+          end
+        end
+      end
+
+      context "when a directory" do
+        subject { Slate::Installer::Cli.new([], {:logo => File.expand_path("..", __FILE__)}) }
+
+        it "raises an error" do
+          allow(subject).to receive(:ask).with("Enter the path to the logo file:", :path => true).and_return ""
+          expect {subject.install}.to raise_error(Thor::MalformattedArgumentError, "The logo path provided is not a file")
+        end
+      end
+
+      context "when not a file" do
+        subject { Slate::Installer::Cli.new([], {:logo => File.expand_path("../not_a_file.txt", __FILE__)}) }
+
+        it "raises an error" do
+          allow(subject).to receive(:ask).with("Enter the path to the logo file:", :path => true).and_return ""
+          expect {subject.install}.to raise_error(Thor::MalformattedArgumentError, "The logo path provided is not a file")
+        end
+      end
+
+      context "when a valid file" do
+        subject { Slate::Installer::Cli.new([], {:logo => File.expand_path("../../../fixtures/MyLogo.png", __FILE__)}) }
+        let(:output) { capture(:stdout) { subject.install } }
+
+        it "installs into the docs dir" do
+          output
+          expect(FileUtils).to be_identical(File.expand_path("../../../fixtures/MyLogo.png", __FILE__), "docs/source/images/logo.png")
+        end
+      end
+    end
   end
 end