From eeb830e040dc7d3b28990e292e9674dbe07ca600 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Wed, 20 Apr 2016 22:35:02 +0200
Subject: [PATCH] travis: Ignore doc changes when building a PR

Fixes #1441
---
 scripts/dev/check_doc_changes.py | 7 +++++++
 tox.ini                          | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/scripts/dev/check_doc_changes.py b/scripts/dev/check_doc_changes.py
index 85991cc08..d072bfb65 100755
--- a/scripts/dev/check_doc_changes.py
+++ b/scripts/dev/check_doc_changes.py
@@ -22,8 +22,15 @@
 
 import sys
 import subprocess
+import os
 
 code = subprocess.call(['git', '--no-pager', 'diff', '--exit-code', '--stat'])
+
+if os.environ.get('TRAVIS_PULL_REQUEST', 'false') != 'false':
+    if code != 0:
+        print("Docs changed but ignoring change as we're building a PR")
+    sys.exit(0)
+
 if code != 0:
     print()
     print('The autogenerated docs changed, please run this to update them:')
diff --git a/tox.ini b/tox.ini
index bf16b45cd..0bbac091e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -190,13 +190,13 @@ commands =
 basepython = python3
 skip_install = true
 whitelist_externals = git
-passenv =
+passenv = TRAVIS_PULL_REQUEST
 deps =
     -r{toxinidir}/requirements.txt
 commands =
     {envpython} scripts/link_pyqt.py --tox {envdir}
     {envpython} scripts/dev/src2asciidoc.py {posargs}
-    {envpython} scripts/dev/check_doc_changes.py
+    {envpython} scripts/dev/check_doc_changes.py {posargs}
     {envpython} scripts/asciidoc2html.py {posargs}
 
 [testenv:cxfreeze-windows]