Shell build script to handle .travis.yml inside Jenkins

travis.sh

#!/bin/bash -exv

function getvalue() {
    shyaml get-value $1 < .travis.yml
}

function getencvalue() {
    shyaml get-value $1.secure < .travis.yml | base64 -d | openssl rsautl -decrypt -inkey .jenkins.pem
}

function getvalues() {
    shyaml get-values $1 < .travis.yml
}

if [ -z "$JENKINSKEY" ]; then
    echo "JENKINSKEY must be set to base64-encoded RSA key in PEM format"
    exit 2
fi

echo "$JENKINSKEY" | base64 -d > .jenkins.pem
DEBIAN_FRONTEND=noninteractive apt-get install -y python3-pip build-essential zlib1g-dev libxslt1-dev libxml2-dev
pip3 install shyaml

if [ "`getvalue language`" != "python" ]; then
    echo "only python is currently supported"
    exit 1
fi

if [ "`getvalue python.0`" != "3.4" ]; then
    echo "only python3.4 is currently supported"
    exit 1
fi

mkdir -p ~/.ssh

cat > ~/.ssh/config <<EOF
UserKnownHostsFile=/dev/null
StrictHostKeyChecking=no
EOF

function pip() {
    pip3 $@
}

function python() {
    python3 $@
}

export `getencvalue env.global`

getvalues install | while read install; do
    $install
done

getvalues env.matrix | while read env; do
    export $env
    `getvalue script`

    deploycond=`getvalue deploy.on.condition`
    if eval "[ $deploycond ]"; then
        getvalues before_deploy | while read cmd; do
            eval "$cmd"
        done

        provider=`getvalue deploy.provider`
        if [ "$provider" = "pypi" ]; then
            cat > ~/.pypirc <<EOF
[distutils]
index-servers =
    local

[local]
repository: `getvalue deploy.server`
username:   `getvalue deploy.user`
password:   `getencvalue deploy.password`
EOF
cat ~/.pypirc
            python setup.py `getvalue deploy.distributions` upload -r local
        fi
    fi
done