add .travis.yml

.travis.yml

@@ -0,0 +1,32 @@
+language: ruby
+before_install:
+- gem install asciidoctor tilt
+script:
+- VERSION=`ruby -e "require 'yaml'; meta = YAML.load_file('metadata.yaml'); puts meta['_version'];"`
+- git clone https://github.com/gitenberg-dev/asciidoctor-htmlbook.git
+- asciidoctor -a toc,version=$VERSION -b xhtml5 -T ./asciidoctor-htmlbook/htmlbook-autogen/
+  -d book book.asciidoc -o book.html
+- git clone https://github.com/gitenberg-dev/HTMLBook
+- xsltproc -stringparam external.assets.list " " ./HTMLBook/htmlbook-xsl/epub.xsl book.html
+- cp ./HTMLBook/stylesheets/epub/epub.css OEBPS
+- cp cover.jpg OEBPS/cover.jpg
+- if test -d "./images"; then mv ./images ./OEBPS/ ;fi
+- zip -rX book.epub mimetype
+- zip -rX book.epub OEBPS/ META-INF/
+- if test -d "OEBPS/images/"; then zip -rX book.epub OEBPS/images/ ;fi 
+- mv book.epub Heart-of-Darkness.epub
+branches:
+  only:
+  - master
+deploy:
+  skip_cleanup: true
+  provider: releases
+  api_key:
+    secure: 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
+  file: Heart-of-Darkness.epub
+  "on":
+    repo: GITenberg/Heart-of-Darkness_219
+addons:
+  apt:
+    packages:
+    - xsltproc