From 3d85451aff331ad645527ac95104a744fed016e1 Mon Sep 17 00:00:00 2001
From: roschaefer <git@roschaefer.de>
Date: Mon, 9 Sep 2019 13:05:52 +0200
Subject: [PATCH 1/3] Update version to 0.5.21

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 38daec284..4e7aa2380 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@human-connection/styleguide",
-  "version": "0.5.20",
+  "version": "0.5.21",
   "private": false,
   "scripts": {
     "serve": "http-server ./docs -o -s",

From 90f747a2a9432e36c62047916e42cf8403a42255 Mon Sep 17 00:00:00 2001
From: roschaefer <git@roschaefer.de>
Date: Mon, 9 Sep 2019 13:46:47 +0200
Subject: [PATCH 2/3] Don't deploy if you're not on `master`

Thank you:
https://github.com/travis-ci/travis-ci/issues/5419#issuecomment-222815942
---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 552534b66..e514fc37a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,11 +22,11 @@ deploy:
     api_key: $NPM_TOKEN
     on:
       tags: true
-      branch: master
+      condition: $(git branch --contains $TRAVIS_TAG | grep -l '^[\* ] master$')
   - provider: pages
     skip_cleanup: true
     github_token: $GITHUB_TOKEN  # Set in the settings page of your repository, as a secure variable
     keep_history: true
     on:
       tags: true
-      branch: master
+      condition: $(git branch --contains $TRAVIS_TAG | grep -l '^[\* ] master$')

From b05583a8b0d1072a971fe5cdd5a419ee100925e3 Mon Sep 17 00:00:00 2001
From: roschaefer <git@roschaefer.de>
Date: Mon, 9 Sep 2019 14:40:55 +0200
Subject: [PATCH 3/3] Implement a custom deployment condition via bash

---
 .travis.yml             |  7 +++----
 deployment_condition.sh | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100755 deployment_condition.sh

diff --git a/.travis.yml b/.travis.yml
index e514fc37a..5095460ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,18 +15,17 @@ before_deploy:
   - rm -Rf ./node_modules .docs ./preview ./tests *.log*
   - rm -Rf ./src/system/icons/_all
   - rm -Rf ./src/system/tokens/_examples
+
 deploy:
   - provider: npm
     skip_cleanup: true
     email: $NPM_EMAIL
     api_key: $NPM_TOKEN
     on:
-      tags: true
-      condition: $(git branch --contains $TRAVIS_TAG | grep -l '^[\* ] master$')
+      condition: ./deployment_condition.sh
   - provider: pages
     skip_cleanup: true
     github_token: $GITHUB_TOKEN  # Set in the settings page of your repository, as a secure variable
     keep_history: true
     on:
-      tags: true
-      condition: $(git branch --contains $TRAVIS_TAG | grep -l '^[\* ] master$')
+      condition: ./deployment_condition.sh
diff --git a/deployment_condition.sh b/deployment_condition.sh
new file mode 100755
index 000000000..ff5658916
--- /dev/null
+++ b/deployment_condition.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+BRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+if [ "$BRANCH" != "master" ]; then
+  exit 1
+fi
+
+CURRENT_VERSION=$(cat package.json  | jq -r .version)
+PUBLISHED_VERSION=$(yarn info @human-connection/styleguide version --silent)
+
+if [ "$CURRENT_VERSION" == "$PUBLISHED_VERSION" ]; then
+  exit 1
+fi
+
+
+exit 0