fix CIRCLE_TAG

Author: oesteban

circle.yml

@@ -33,7 +33,7 @@ dependencies:
     - if [[ ! -d ~/examples/nipype-tutorial ]]; then wget --retry-connrefused --waitretry=5 --read-timeout=20 --timeout=15 -t 0 -q -O nipype-tutorial.tar.bz2 "${DATA_NIPYPE_TUTORIAL_URL}" && tar xjf nipype-tutorial.tar.bz2 -C ~/examples/; fi
     - if [[ ! -d ~/examples/nipype-fsl_course_data ]]; then wget --retry-connrefused --waitretry=5 --read-timeout=20 --timeout=15 -t 0 -q -O nipype-fsl_course_data.tar.gz "${DATA_NIPYPE_FSL_COURSE}" && tar xzf nipype-fsl_course_data.tar.gz -C ~/examples/; fi
     - if [[ ! -d ~/examples/feeds ]]; then wget --retry-connrefused --waitretry=5 --read-timeout=20 --timeout=15 -t 0 -q -O fsl-5.0.9-feeds.tar.gz "${DATA_NIPYPE_FSL_FEEDS}" && tar xzf fsl-5.0.9-feeds.tar.gz -C ~/examples/; fi
-    - sed -i -E "s/(__version__ = )'[A-Za-z0-9.-]+'/\1'$CIRCLE_TAG'/" nipype/info.py
+    - if [ "$CIRCLE_TAG" != "" ]; then sed -i -E "s/(__version__ = )'[A-Za-z0-9.-]+'/\1'$CIRCLE_TAG'/" nipype/info.py; fi
 #     - e=1 && for i in {1..5}; do docker build -f docker/base.Dockerfile --rm=false -t nipype/base:latest . && e=0 && break || sleep 15; done && [ "$e" -eq "0" ] :
 #         timeout: 21600
     - e=1 && for i in {1..5}; do docker build --rm=false -t nipype/nipype:latest -t nipype/nipype:py35 --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` --build-arg VCS_REF=`git rev-parse --short HEAD` --build-arg VERSION=$CIRCLE_TAG . && e=0 && break || sleep 15; done && [ "$e" -eq "0" ] :