@sap/cds-dk/lib/build/plugins/mtx/resourcesTarBuilder.js

Command line client and development toolkit for the SAP Cloud Application Programming Model

const cds = require('../../../cds')
const { path, exists, tar } = cds.utils
const { BUILD_TASK_HANA } = require('../../constants')
const { WARNING } = require('../internal')

module.exports = class ResourcesTarBuilder {
    constructor(plugin) {
        this._plugin = plugin
    }

    get plugin() { return this._plugin }

    async createTar(dest, model) {
        let root = getHanaTenantDbTask(this.plugin)?.dest
        let resources
        if (root) {
            const items = ['src', 'cfg', 'undeploy.json', '.hdiignore']
            resources = items.map(item => path.join(root, item)).filter(exists)
        } else {
            root = cds.root
            resources = Object.keys(await cds.deploy.resources(model))
        }
        if (resources.length === 0) {
            this.plugin.pushMessage("No deployment resources found - skip resources.tgz", WARNING)
            return
        }
        const tarFile = path.join(dest, "resources.tgz")
        await tar.czfd(tarFile, root, resources)
        this.plugin.pushFile(tarFile)
    }
}

function getHanaTenantDbTask({ task, context: { tasks } }) {
    const hanaTasks = tasks.filter(task => task.for === BUILD_TASK_HANA)
    if (hanaTasks.length === 1) return hanaTasks[0]
    return hanaTasks.find(({ src }) => {
        if (!src) return true // an existing second shared db always requires src to be set
        const srcFolder = path.isAbsolute(src) ? path.relative(cds.root, src) : src
        return task.options?.model?.includes(srcFolder) || srcFolder === cds.env.folders.db.replace('/', '')
    })
}