Adding check for travis skip in commit message

travis/setup_conda.sh

@@ -2,9 +2,15 @@
 
 # Note to the future: keep the conda scripts separate for each OS because many
 # packages call ci-helpers with:
-# 
+#
 #   source ci-helpers/travis/setup_conda_$TRAVIS_OS_NAME.sh
 #
 # The present script was added later.
 
+# Skip build if the commit message contains [skip travis] or [travis skip]
+# Remove workaround once travis has this feature natively
+# https://github.com/travis-ci/travis-ci/issues/5032
+echo "$TRAVIS_COMMIT_MESSAGE" | grep -E  '\[(skip travis|travis skip)\]' \
+    && echo "[skip travis] has been found, exiting." && exit 0
+
 source ci-helpers/travis/setup_conda_$TRAVIS_OS_NAME.sh;

travis/setup_conda_linux.sh

@@ -1,5 +1,12 @@
 #!/bin/bash
 
+# Skip build if the commit message contains [skip travis] or [travis skip]
+# Remove workaround once travis has this feature natively
+# https://github.com/travis-ci/travis-ci/issues/5032
+echo "$TRAVIS_COMMIT_MESSAGE" | grep -E  '\[(skip travis|travis skip)\]' \
+    && echo "[skip travis] has been found, exiting." && exit 0
+
+
 if [[ $DEBUG == True ]]; then
     set -x
 fi

travis/setup_conda_osx.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
 
+# Skip build if the commit message contains [skip travis] or [travis skip]
+# Remove workaround once travis has this feature natively
+# https://github.com/travis-ci/travis-ci/issues/5032
+echo "$TRAVIS_COMMIT_MESSAGE" | grep -E  '\[(skip travis|travis skip)\]' \
+    && echo "[skip travis] has been found, exiting." && exit 0
+
 if [[ $DEBUG == True ]]; then
     set -x
 fi