Add the deployment script from parso.

deploy-master.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# The script creates a separate folder in build/ and creates tags there, pushes
+# them and then uploads the package to PyPI.
+
+set -eu -o pipefail
+
+BASE_DIR=$(dirname $(readlink -f "$0"))
+cd $BASE_DIR
+
+git fetch --tags
+
+PROJECT_NAME=jedi
+BRANCH=master
+BUILD_FOLDER=build
+
+[ -d $BUILD_FOLDER ] || mkdir $BUILD_FOLDER
+# Remove the previous deployment first.
+# Checkout the right branch
+cd $BUILD_FOLDER
+rm -rf $PROJECT_NAME
+git clone .. $PROJECT_NAME
+cd $PROJECT_NAME
+git checkout $BRANCH
+
+# Test first.
+tox
+
+# Create tag
+tag=v$(python -c "import $PROJECT_NAME; print($PROJECT_NAME.__version__)")
+
+master_ref=$(git show-ref -s heads/$BRANCH)
+tag_ref=$(git show-ref -s $tag || true)
+if [[ $tag_ref ]]; then
+    if [[ $tag_ref != $master_ref ]]; then
+        echo 'Cannot tag something that has already been tagged with another commit.'
+        exit 1
+    fi
+else
+    git tag $tag
+    git push --tags
+fi
+
+# Package and upload to PyPI
+#rm -rf dist/ - Not needed anymore, because the folder is never reused.
+echo `pwd`
+python setup.py sdist bdist_wheel
+# Maybe do a pip install twine before.
+twine upload dist/*
+
+cd $BASE_DIR
+# Back in the development directory fetch tags.
+git fetch --tags