Use 'pip uninstall', to handle the failure of --upgrade

install/50_opengeode.sh

@@ -2,7 +2,24 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 . ${DIR}/common.sh
 
+# Setup opengeode in ~/.local/bin
 cd $DIR/../opengeode || exit 1
+
+# Skip install if the version installed is the same and the tree is clean
+HEAD="$(grep _version_ opengeode/opengeode.py | head -1 | awk -F\' '{print $2}')"
+
+VERSION_INSTALLED="$(opengeode --version 2>&1)"
+git status >/dev/null
+TREE_CLEAN=$?
+if [ ${TREE_CLEAN} -eq 0 -a "${HEAD}" == "${VERSION_INSTALLED}" ] ; then
+    echo OpenGEODE tree is clean and already installed. Skipping OpenGEODE install...
+    exit 0
+fi
+
+# Unfortunately, the --upgrade DOES NOT ALWAYS WORK.
+# Uninstall first...
+echo y | pip2 uninstall opengeode
+
 pip2 install --user --upgrade . || exit 1
 
 # Add .local/bin to PATH