From b8a1c309e934af4c77da2d03e705fe0791ccfad3 Mon Sep 17 00:00:00 2001
From: Pixelastic <tim@pixelastic.com>
Date: Wed, 28 Nov 2018 11:36:00 +0100
Subject: [PATCH] docs(deploy): Automatic deployment when doc pushed to master

---
 .travis.yml                                 |  7 +++++-
 docs/scripts/deploy                         |  6 ------
 scripts/travis/changes-in-docs-since-master |  8 +++++++
 scripts/travis/deploy                       | 24 +++++++++++++++++++++
 scripts/travis/is-pr                        |  6 ++++++
 scripts/travis/on-master                    |  7 ++++++
 6 files changed, 51 insertions(+), 7 deletions(-)
 create mode 100755 scripts/travis/changes-in-docs-since-master
 create mode 100755 scripts/travis/deploy
 create mode 100755 scripts/travis/is-pr
 create mode 100755 scripts/travis/on-master

diff --git a/.travis.yml b/.travis.yml
index 8feabeb1..e65c528b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,4 +2,9 @@ language: node_js
 script: "./scripts/test"
 branches:
   only:
-  - master
+    - master
+
+matrix:
+  include:
+    - name: "[Documentation] Deploy"
+      script: "./scripts/travis/deploy"
diff --git a/docs/scripts/deploy b/docs/scripts/deploy
index 9b4fef5f..7c401b9f 100755
--- a/docs/scripts/deploy
+++ b/docs/scripts/deploy
@@ -1,13 +1,7 @@
 #!/usr/bin/env sh
 set -e
 
-yarn run lint
-
 rm -rf ./dist
 yarn run build
 
-# Add the date of last deploy, so the automatic deployment know if it needs to
-# override it or not (check ./scripts/netflify-master)
-date +%s > ./dist/last_update
-
 gh-pages -d dist
diff --git a/scripts/travis/changes-in-docs-since-master b/scripts/travis/changes-in-docs-since-master
new file mode 100755
index 00000000..7edb5a33
--- /dev/null
+++ b/scripts/travis/changes-in-docs-since-master
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Check if the current git repo has changes done in the ./docs folder since last
+# push to master
+CHANGES_IN_DOCS="$(git diff --name-only master | grep '^docs/')"
+if [ "$CHANGES_IN_DOCS" = "" ]; then
+  exit 1
+fi
+exit 0
diff --git a/scripts/travis/deploy b/scripts/travis/deploy
new file mode 100755
index 00000000..3c2f6657
--- /dev/null
+++ b/scripts/travis/deploy
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# Will deploy the documentation website on gh-pages when new commits on master
+# Only if it detects changes in ./docs folder
+# Note that this will be triggered even for PR targeting master
+set -x
+
+if ./scripts/travis/is-pr; then
+  echo "✘ Documentation is not deployed for pull requests";
+  exit 0
+fi
+
+if ! ./scripts/travis/on-master; then
+  echo "✘ Documentation is only deployed on the master branch";
+  exit 0
+fi
+
+if ! ./scripts/travis/changes-in-docs-since-master; then
+  echo "✘ Documentation is not deployed if their are no changes in ./docs";
+  exit 0
+fi
+
+cd ./docs || exit 1
+yarn install
+yarn run deploy
diff --git a/scripts/travis/is-pr b/scripts/travis/is-pr
new file mode 100755
index 00000000..5baa2b99
--- /dev/null
+++ b/scripts/travis/is-pr
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# Check if in a Pull Request
+if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then
+  exit 0
+fi
+exit 1
diff --git a/scripts/travis/on-master b/scripts/travis/on-master
new file mode 100755
index 00000000..2d93085c
--- /dev/null
+++ b/scripts/travis/on-master
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+# Check if on master
+if [ "$TRAVIS_BRANCH" = "master" ]; then
+  exit 0
+fi
+
+exit 1