remove code duplication & move run to readme

README.md

@@ -101,3 +101,11 @@ script:
 ```
 
 Read also [this article](http://www.yegor256.com/2014/06/24/jekyll-github-deploy.html).
+
+# Building locally
+In order to build a package locally run below commands.
+
+```bash
+gem build jgd.gemspec
+gem install jgd-<version>.gem
+```

bash/deploy.sh

@@ -23,18 +23,10 @@ cd "${CLONE}"
 echo -e "\nBuilding Jekyll site:"
 rm -rf _site
 
-if [ -r ${BUNDLE} ]; then
-  if [ -r ${DEPLOY_CONFIG} ]; then
-    bundle exec jekyll build --config _config.yml,${DEPLOY_CONFIG}
-  else
-    bundle exec jekyll build
-  fi
+if [ -r ${DEPLOY_CONFIG} ]; then
+  ${BUNDLE} jekyll build --config _config.yml,${DEPLOY_CONFIG}
 else
-  if [ -r ${DEPLOY_CONFIG} ]; then
-    jekyll build --config _config.yml,${DEPLOY_CONFIG}
-  else
-    jekyll build
-  fi
+  ${BUNDLE} jekyll build
 fi
 
 if [ ! -e _site ]; then

bin/jgd

@@ -23,11 +23,11 @@ fail 'branch-from can\'t be empty' if branch_from.empty?
 fail 'config can\'t be empty' if config.empty?
 url = opts[:url]
 url = `git config --get remote.origin.url`.strip if url.empty?
-bundle = opts[:bundle]
+bundle = opts[:bundle] ? '"bundle exec"' : ''
 
 spec = Gem::Specification.find_by_name('jgd')
 root = spec.gem_dir
 script = File.join(root, 'bash/deploy.sh')
 
 fail 'deployment failed, see log above' \
-  unless system("#{script} #{url} #{branch} #{branch_from} #{config}")
+  unless system("#{script} #{url} #{branch} #{branch_from} #{config} #{bundle}")