Add travis CI configuration

From now on Travis CI will manage the build cycle driven by the
build script, hopefully the current configuration will work for
automatic "artifact" (pdf) releases from master branch as well.

.travis.yml

@@ -0,0 +1,15 @@
+language: generic
+sudo: required
+script: './build.sh'
+services:
+  - docker
+before_deploy: ./build.sh ci-git-setup
+after_deploy: ./build.sh ci-git-push
+deploy:
+  provider: releases
+  api_key: $GH_TOKEN
+  file: dist/jossemargt-resume.pdf
+  skip_cleanup: true
+  on:
+    repo: jossemarGT/resume
+    branch: master

build.sh

@@ -1,9 +1,11 @@
 #!/bin/bash
-set -eo pipefail
+set -euo pipefail
 
+GOAL=${1-default}
 BUILD_DATE=$(date +%B\ %d,\ %Y)
 TITLE=$(sed -n -e "s/^title:[[:space:]]*'\([^']\+\).*'/\1/p" docs/configuration.yaml)
 
+##
 # Generates HTML page inside docs/ directory using RESUME.md file and Pandoc Docker
 # container
 generate_page () {
@@ -15,23 +17,80 @@ generate_page () {
         ./RESUME.md docs/configuration.yaml
 }
 
+##
 # Bumps last modified date in pandoc template configuration
 bump_date () {
+  # TODO: Bump only if RESUME.md has changed
   sed -i "s/date:.*/date:   ${BUILD_DATE}/" docs/configuration.yaml
 }
 
+##
 # Generates PDF file inside dist/ directory using docs/index.html file and
 # wkhtmltopdf Docker container
 generate_pdf () {
   [ -d dist ] || mkdir dist
   echo  ":: Generating ${TITLE} PDF"
   docker run -v "$(pwd)":/tmp/source -w /tmp/source --rm madnight/docker-alpine-wkhtmltopdf \
-        --title "${TITLE}" --page-size Letter --no-background \
+        --quiet --title "${TITLE}" --page-size Letter --no-background \
         --print-media-type --viewport-size 520px \
         docs/index.html dist/jossemargt-resume.pdf
 }
 
+######### CI Specific goals #########
+
+##
+# Setup git client in CI environment
+git_setup () {
+  if [[ -z $(git config --local user.name) ]]; then
+    echo ':: Setup CI git user and email'
+    git config --local user.name 'Deployment Bot'
+    git config --local user.email '[email protected]'
+  fi
+}
+
+##
+# Commit changes on `docs` directory and tags branch's head with current date
+git_tag_bump () {
+  if [[ -z $(git --no-pager diff --numstat docs) ]]; then
+    echo ":: Git bump -> docs directory didn't change. SKIPPED"
+    return 0
+  fi
+
+  git add docs
+  git commit -m "Update GH Pages on ${BUILD_DATE}"
+  git tag "$(date +'%Y%m%d')"
+}
+
+##
+# Push latest changes and tags (vendor specific implementation)
+git_publish () {
+  set +x # Just in case
+  if [[ $TRAVIS_EVENT_TYPE != 'pull_request' ]]; then
+    echo ':: Git publish'
+    # Push latest commit to master branch and the tag associated with it
+    git push "https://${GH_TOKEN}:[email protected]/${TRAVIS_REPO_SLUG}" \
+              --quiet HEAD:master --tags
+    return 0
+  fi
+  echo ':: Git publish -> Nothing to do'
+}
+
+##
 # Using the functions defined above
-bump_date
-generate_page
-generate_pdf
+case "$GOAL" in
+  ci-git-setup)
+    git_setup
+    git_tag_bump
+    ;;
+  ci-git-push)
+    git_publish # A fenced git push
+    ;;
+  default)
+    bump_date
+    generate_page
+    generate_pdf
+    ;;
+  *)
+    echo ":: Unrecognized goal '${GOAL}'. Nothing to do."
+    ;;
+esac

docs/configuration.yaml

@@ -15,7 +15,7 @@ github_reponame: resume
 # ==============================================================================
 title: 'jossemarGT résumé'
 lang:   en
-date:   December 23, 2017
+date:   December 30, 2017
 author:
   - Jossemar Cordero
 description: 'jossemargt resume'

docs/index.html

@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="chrome=1">
     <meta name="generator" content="pandoc">
     <meta name="author" content="Jossemar Cordero">
-    <meta name="dcterms.date" content="2017-12-23">
+    <meta name="dcterms.date" content="2017-12-31">
     <meta name="description" content="jossemargt resume">
     <meta name="keywords" content="resume, cv, software engineer, devops, developer">
     <title>jossemarGT résumé</title>
@@ -52,7 +52,7 @@ <h2 class="tag-line">Software engineer, maker and maddo scientisto</h2>
             <small>
               <a class="no-print" href="https://github.com/jossemarGT/resume/blob/master/RESUME.md">View On GitHub</a>
               <span class="no-print">&bull;</span>
-              Last revision: 2017-12-23
+              Last revision: 2017-12-31
             </small>
           </p>
         </footer>