add check_tag.sh

Author: rainwoodman

check_tag.sh

@@ -0,0 +1,11 @@
+#! /bin/bash
+
+grep __version__ "$1"
+
+if [[ -n "$TRAVIS_TAG" ]]; then
+    if ! grep $TRAVIS_TAG "$1"; then
+        echo Tag $TRAVIS_TAG does not match setup.py version. Bail.
+        exit 1
+    fi
+fi
+exit 0