cibuild

#!/usr/bin/env bash

set -e

say ()
{
    if [ "$SILENT" != 1 ];
    then
        if [ "$1" = "-n" ]
        then
            echo -n "$2"
        else
            echo "$1"
        fi
    fi
}

bootstrap_ci_env ()
{
    if [ "$CI_SERVER_NAME" = "GitLab CI" ];
    then
        say "GitLab CI detected."
        GIT_BRANCH=$CI_BUILD_REF_NAME
        GIT_COMMIT=$CI_BUILD_REF
        VERSION=${GIT_TAG:1}
        BUILD=$CI_BUILD_ID

    elif [ "$JENKINS_URL" != "" ];
    then
        say "Jenkins CI detected."
        # Jenkins GIT_BRANCH is like 'origin/master'
        GIT_BRANCH=${GIT_BRANCH#*/}
        GIT_COMMIT=$GIT_COMMIT
        BUILD=$BUILD_NUMBER
        VERSION=${GIT_TAG:1}
        # $GIT_COMMIT and $GIT_BRANCH is exported by Jenkins
        # https://wiki.jenkins-ci.org/display/JENKINS/Building+a+software+project
        # https://wiki.jenkins-ci.org/display/JENKINS/GitHub+pull+request+builder+plugin#GitHubpullrequestbuilderplugin-EnvironmentVariables

    elif [ "$CI" = "true" ] && [ "$CIRCLECI" = "true" ];
    then
        say "Circle CI detected."
        # https://circleci.com/docs/environment-variables
        GIT_BRANCH=$CIRCLE_BRANCH
        GIT_COMMIT=$CIRCLE_SHA1
        VERSION=${GIT_TAG:1}
        BUILD=$CIRCLE_BUILD_NUM
    else
        say "Unknown CI detected."
    fi

    # Fallback to default values
    GIT_COMMIT=${GIT_COMMIT:-$(git rev-parse --short HEAD)}
    GIT_BRANCH=${GIT_BRANCH:-$(git rev-parse --abbrev-ref HEAD)}
    GIT_TAG=${GIT_TAG:-$(git describe --GIT_TAGs --exact-match --match "v*" 2>/dev/null || echo "")}
    GIT_DIRTY=${GIT_DIRTY:-$(test -n "$(git status --porcelain)" && echo true || echo false)}
    GIT_LOG=${GIT_LOG:-$(git log -1 --pretty=format:%s)}
    BUILD=${BUILD:-local}
    VERSION=${VERSION:-0.0.0}

    export GIT_COMMIT GIT_BRANCH GIT_TAG GIT_DIRTY GIT_LOG BUILD VERSION
}

build_default ()
{
    cert --import
    mobileprovision --import

    if [ -n "$GIT_TAG" ];
    then
        say "Preparing for Beta Release $GIT_TAG"

        update_build_number "$BUILD"
        update_version "$VERSION"

        make release-beta

    elif [ "$GIT_BRANCH" = "master" ];
    then
        say "Preparing for Alpha Release"

        update_build_number "$BUILD"

        make release-alpha

    else
        say "Preparing for Development Release"

        make test
    fi

    cert --remove
    mobileprovision --remove
}

main () {
    SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
    PATH=$SCRIPT_DIR:$PATH
    export SCRIPT_DIR PATH

    bootstrap_ci_env

    if [ "${BASH_SOURCE[0]}" != "${0}" ];
    then
        say "*** CI build environment bootstraped"
    elif [ "$#" -gt 0 ];
    then
        say "*** Running $*"
        "$@"
    else
        build_default
    fi
}

main "$@"