release.sh

#!/bin/sh

# Exit on first error.
set -e

# Go to a known location: the directory where we ourselves live.
cd "`dirname $0`"

# Confirmation helper.
confirm () {
    proceed=""
    while [ "$proceed" != "y" ]; do
        read -p"$1 (y/N) " proceed
        if [ "$proceed" == "n" -o "$proceed" == "N" -o "$proceed" == "" ]
        then
            return 1
        fi
    done
    return 0
}

# Real work.
if [ "`git tag | grep $1`" ]; then
    echo "Version $1 is already git tagged."
else
    confirm "Tag version $1 and upload to PyPI and push to github and heroku?"
    if [ $? -eq 0 ]; then
        printf "$1" > version.txt
        git commit version.txt -m"Version bump for release."
        git tag $1

        git push
        git push --tags

        ./env/bin/python setup.py sdist --formats=zip,gztar,bztar upload

        printf "+" >> version.txt
        git commit version.txt -m"Version bump post-release."
        git push
        git push heroku

        rm -rf dist
    fi
fi