First version

.babelrc

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+{
+  "presets": [
+    [
+      "env",
+      {
+        "loose": true,
+        "targets": {
+          "node": "8.4"
+        }
+      }
+    ]
+  ],
+  "plugins": ["transform-object-rest-spread", "transform-class-properties"]
+}

.eslintignore

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+node_modules/
+lib/

.eslintrc.js

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+module.exports = {
+  root: true,
+  extends: ['airbnb-base', 'prettier'],
+  parser: 'babel-eslint',
+  parserOptions: {
+    ecmaVersion: 2018,
+    sourceType: 'module',
+  },
+  env: {
+    node: true,
+  },
+}

.gitignore

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+node_modules/
+lib/
+db/

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "all",
+  "semi": false
+}

.travis.yml

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+language: node_js
+notifications:
+  email: false
+services:
+  - postgresql
+addons:
+  postgresql: '9.6'
+node_js:
+  - 8
+  - 9

LICENSE

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+Copyright 2018 Smooth Code
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Knex Scripts
+
+Knex utilities to interact with Postgres database.
+
+```
+npm install knex-scripts
+```
+
+## Command Line Usage
+
+```
+  Usage: knex-scripts [options] [command]
+
+
+  Options:
+
+    -V, --version      output the version number
+    --docker           Use docker.
+    --knexfile [path]  Specify the knexfile path.
+    --cwd [path]       Specify the working directory.
+    --env [name]       environment, default: process.env.NODE_ENV || development
+    -h, --help         output usage information
+
+
+  Commands:
+
+    create    Create database.
+    drop      Drop database.
+    dump      Dump database.
+    load      Load database.
+    truncate  Truncate all tables.
+```
+
+## Node API Usage
+
+```js
+import knex from 'knex'
+import { truncate } from 'knex-scripts'
+import config from './knexfile'
+
+// Truncate all database
+truncate({ getKnex: () => knex(config) })
+  .then(() => console.log('Truncated'))
+  .catch(console.error)
+```
+
+## Configuration
+
+```js
+// knexfile.js
+const config = {
+  knexScripts: {
+    docker: false,
+    structurePath: 'db/structure.sql',
+  },
+  development: {
+    client: 'postgresql',
+    connection: {
+      user: 'postgres',
+      database: 'development',
+      timezone: 'utc',
+    },
+  },
+}
+
+module.exports = config
+```
+
+## License
+
+MIT

bin/knex-scripts

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+#!/usr/bin/env node
+
+require('../lib/cli')

docker-compose.yml

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+version: '2'
+services:
+  postgres:
+    image: postgres:9.6
+    ports:
+      - '5432:5432'
+    volumes:
+      - ${PWD}/db:${PWD}/db
+      - ${PWD}/docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d

knexfile.js

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+/* eslint-disable global-require */
+const config = {
+  development: {
+    client: 'postgresql',
+    connection: {
+      user: 'postgres',
+      database: 'development',
+      timezone: 'utc',
+    },
+  },
+}
+
+module.exports = config

package.json

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+{
+  "name": "knex-scripts",
+  "version": "0.0.1",
+  "description": "Knex utilities to interact with Postgres database.",
+  "main": "lib/index.js",
+  "author": "Greg Bergé <[email protected]>",
+  "license": "MIT",
+  "scripts": {
+    "build": "babel -d lib src",
+    "lint": "eslint .",
+    "prebuild": "rm -rf lib",
+    "test": "yarn lint && yarn build && bin/knex-scripts create && bin/knex-scripts dump && bin/knex-scripts load && bin/knex-scripts drop",
+    "release": "yarn build && standard-version && conventional-github-releaser -p angular"
+  },
+  "bin": {
+    "knex-scripts": "bin/knex-scripts"
+  },
+  "dependencies": {
+    "chalk": "^2.3.0",
+    "commander": "^2.14.0",
+    "interpret": "^1.1.0",
+    "liftoff": "^2.5.0",
+    "minimist": "^1.2.0",
+    "mkdirp": "^0.5.1",
+    "mz": "^2.7.0",
+    "tildify": "^1.2.0",
+    "v8flags": "^3.0.1"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-eslint": "^8.2.1",
+    "babel-plugin-transform-class-properties": "^6.24.1",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-preset-env": "^1.6.1",
+    "conventional-github-releaser": "^2.0.0",
+    "eslint": "^4.17.0",
+    "eslint-config-airbnb-base": "^12.1.0",
+    "eslint-config-prettier": "^2.9.0",
+    "eslint-plugin-import": "^2.8.0",
+    "knex": "^0.14.2",
+    "pg": "^7.4.1",
+    "prettier": "^1.10.2",
+    "standard-version": "^4.3.0"
+  }
+}

src/cli.js

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+/* eslint-disable no-console, global-require, import/no-dynamic-require */
+import Liftoff from 'liftoff'
+import v8flags from 'v8flags'
+import { jsVariants } from 'interpret'
+import commander from 'commander'
+import chalk from 'chalk'
+import tildify from 'tildify'
+import minimist from 'minimist'
+import { join } from 'path'
+import cliPkg from '../package.json'
+import create from './create'
+import drop from './drop'
+import dump from './dump'
+import load from './load'
+import truncate from './truncate'
+
+const argv = minimist(process.argv.slice(2))
+
+function exit(text) {
+  if (text instanceof Error) {
+    console.error(chalk.red(text.stack))
+  } else {
+    console.error(chalk.red(text))
+  }
+  process.exit(1)
+}
+
+const cli = new Liftoff({
+  name: 'knex',
+  extensions: jsVariants,
+  v8flags,
+})
+
+function checkLocalModule(env) {
+  if (!env.modulePath) {
+    console.log(
+      chalk.red('No local knex install found in:'),
+      chalk.magenta(tildify(env.cwd)),
+    )
+    exit('Try running: npm install knex.')
+  }
+}
+
+function initConfig(env) {
+  checkLocalModule(env)
+
+  if (!env.configPath) {
+    exit('No knexfile found in this directory. Specify a path with --knexfile')
+  }
+
+  if (process.cwd() !== env.cwd) {
+    process.chdir(env.cwd)
+    console.log('Working directory changed to', chalk.magenta(tildify(env.cwd)))
+  }
+
+  const defaultEnv = 'development'
+  let config = require(env.configPath)
+  let environment = commander.env || process.env.NODE_ENV
+
+  if (!environment && typeof config[defaultEnv] === 'object') {
+    environment = defaultEnv
+  }
+
+  const knexScriptsConfig = config.knexScripts || {}
+
+  if (environment) {
+    console.log('Using environment:', chalk.magenta(environment))
+    config = config[environment] || config
+  }
+
+  if (!config) {
+    console.log(chalk.red('Warning: unable to read knexfile config'))
+    process.exit(1)
+  }
+
+  if (argv.debug !== undefined) config.debug = argv.debug
+  const knex = require(env.modulePath)
+  return {
+    getKnex: () => knex(config),
+    knexConfig: config,
+    env: environment,
+    structurePath: knexScriptsConfig.structurePath || 'db/structure.sql',
+    migrationsPath: join(process.cwd(), 'migrations'),
+    docker:
+      commander.docker !== undefined
+        ? commander.docker
+        : knexScriptsConfig.docker,
+  }
+}
+
+function invoke(env) {
+  commander
+    .version(
+      chalk`{blue Knex Scripts version: {green ${cliPkg.version}}}\n` +
+        chalk`{blue Knex version: {green ${env.modulePackage.version}}}\n`,
+    )
+    .option('--docker', 'Use docker.')
+    .option('--knexfile [path]', 'Specify the knexfile path.')
+    .option('--cwd [path]', 'Specify the working directory.')
+    .option(
+      '--env [name]',
+      'environment, default: process.env.NODE_ENV || development',
+    )
+
+  commander
+    .command('create')
+    .description('Create database.')
+    .action(() => {
+      const config = initConfig(env)
+      return create(config)
+        .then(() => console.log(chalk.green(`Database created.`)))
+        .catch(exit)
+    })
+
+  commander
+    .command('drop')
+    .description('Drop database.')
+    .action(() => {
+      const config = initConfig(env)
+      return drop(config)
+        .then(() => console.log(chalk.green(`Database dropped.`)))
+        .catch(exit)
+    })
+
+  commander
+    .command('dump')
+    .description('Dump database.')
+    .action(() => {
+      const config = initConfig(env)
+      return dump(config)
+        .then(() => console.log(chalk.green(`Dump created.`)))
+        .catch(exit)
+    })
+
+  commander
+    .command('load')
+    .description('Load database.')
+    .action(() => {
+      const config = initConfig(env)
+      return load(config)
+        .then(() => console.log(chalk.green(`Database loaded.`)))
+        .catch(exit)
+    })
+
+  commander
+    .command('truncate')
+    .description('Truncate all tables.')
+    .action(() => {
+      const config = initConfig(env)
+      return truncate(config)
+        .then(() => console.log(chalk.green(`Database truncated.`)))
+        .catch(exit)
+    })
+
+  commander.parse(process.argv)
+}
+
+cli.launch(
+  {
+    cwd: argv.cwd,
+    configPath: argv.knexfile,
+    require: argv.require,
+    completion: argv.completion,
+  },
+  invoke,
+)

src/create.js

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+/* eslint-disable max-len */
+import { exec } from 'mz/child_process'
+import { preventEnv } from './utils'
+
+async function create({ docker, env, knexConfig }) {
+  preventEnv('production', env)
+
+  const command = docker
+    ? `docker-compose run postgres createdb --host postgres --username ${
+        knexConfig.connection.user
+      } ${knexConfig.connection.database}`
+    : `createdb --username ${knexConfig.connection.user} ${
+        knexConfig.connection.database
+      }`
+
+  return exec(command)
+}
+
+export default create