add deploy script to deploy PRs to surge

.travis.yml

@@ -3,14 +3,17 @@ language: node_js
 node_js:
 - '5.0'
 install:
-  - npm install
+- npm install
 deploy:
   local_dir: public
   provider: pages
   fqdn: koodiklinikka.fi
   skip_cleanup: true
-  github_token: $GITHUB_TOKEN # Set in travis-ci.org dashboard
+  github_token: "$GITHUB_TOKEN"
   repo: koodiklinikka/koodiklinikka.github.io
   target_branch: master
   on:
     branch: master
+after_success:
+  - chmod ugo+x ./deploy-surge.sh
+  - "./deploy-surge.sh"

deploy-surge.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# Split on "/", ref: http://stackoverflow.com/a/5257398/689223
+REPO_SLUG_ARRAY=(${TRAVIS_REPO_SLUG//\// })
+REPO_OWNER=${REPO_SLUG_ARRAY[0]}
+REPO_NAME=${REPO_SLUG_ARRAY[1]}
+DEPLOY_PATH=./public
+
+DEPLOY_SUBDOMAIN_UNFORMATTED_LIST=()
+if [ "$TRAVIS_PULL_REQUEST" != "false" ]
+then
+  DEPLOY_SUBDOMAIN_UNFORMATTED_LIST+=(${TRAVIS_PULL_REQUEST}-pr)
+elif [ -n "${TRAVIS_TAG// }" ] #TAG is not empty
+then
+  #sorts the tags and picks the latest
+  #sort -V does not work on the travis machine
+  #sort -V              ref: http://stackoverflow.com/a/14273595/689223
+  #sort -t ...          ref: http://stackoverflow.com/a/4495368/689223
+  #reverse with sed     ref: http://stackoverflow.com/a/744093/689223
+  #git tags | ignore release candidates | sort versions | reverse | pick first line
+  LATEST_TAG=`git tag | grep -v rc | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n | sed '1!G;h;$!d' | sed -n 1p`
+  echo $LATEST_TAG
+  if [ "$TRAVIS_TAG" == "$LATEST_TAG" ]
+  then
+    DEPLOY_SUBDOMAIN_UNFORMATTED_LIST+=(latest)
+  fi
+  DEPLOY_SUBDOMAIN_UNFORMATTED_LIST+=(${TRAVIS_TAG}-tag)
+else
+  DEPLOY_SUBDOMAIN_UNFORMATTED_LIST+=(${TRAVIS_BRANCH}-branch)
+fi
+
+
+for DEPLOY_SUBDOMAIN_UNFORMATTED in "${DEPLOY_SUBDOMAIN_UNFORMATTED_LIST[@]}"
+do
+  echo $DEPLOY_SUBDOMAIN_UNFORMATTED
+  # replaces "/" or "." with "-"
+  # sed -r is only supported in linux, ref http://stackoverflow.com/a/2871217/689223
+  # Domain names follow the RFC1123 spec [a-Z] [0-9] [-]
+  # The length is limited to 253 characters
+  # https://en.wikipedia.org/wiki/Domain_Name_System#Domain_name_syntax
+  DEPLOY_SUBDOMAIN=`echo "$DEPLOY_SUBDOMAIN_UNFORMATTED" | sed -r 's/[\/|\.]+/\-/g'`
+  DEPLOY_DOMAIN=https://${DEPLOY_SUBDOMAIN}-${REPO_NAME}-${REPO_OWNER}.surge.sh
+
+  surge --project ${DEPLOY_PATH} --domain $DEPLOY_DOMAIN;
+
+  echo "$TRAVIS_PULL_REQUEST"
+
+  if [ "$TRAVIS_PULL_REQUEST" != "false" ]
+  then
+    # Using the Issues api instead of the PR api
+    # Done so because every PR is an issue, and the issues api allows to post general comments,
+    # while the PR api requires that comments are made to specific files and specific commits
+    GITHUB_PR_COMMENTS=https://api.github.com/repos/${TRAVIS_REPO_SLUG}/issues/${TRAVIS_PULL_REQUEST}/comments
+    curl -H "Authorization: token ${GITHUB_API_TOKEN}" --request POST ${GITHUB_PR_COMMENTS} --data '{"body":"Travis automatic deployment: '${DEPLOY_DOMAIN}'"}'
+  fi
+done

package.json

@@ -65,6 +65,7 @@
     "mocha": "^2.2.5",
     "node-notifier": "^4.2.1",
     "rimraf": "^2.3.4",
+    "surge": "^0.19.0",
     "vinyl-source-stream": "~1.0.0",
     "vinyl-transform": "^1.0.0",
     "watchify": "^3.2.1"