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import execa from 'execa' |
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import * as fs from 'fs' |
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import {chmodSync, existsSync, unlinkSync} from 'fs' |
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import Tool from './tool' |
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abstract class CustomTool extends Tool { |
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abstract name: string |
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abstract alias: string |
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abstract url: string |
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abstract shasum: string |
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binLocation: string = '/usr/local/bin' |
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/** |
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* Install the binary. |
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*/ |
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install = async (): Promise<boolean> => { |
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if (await this.isInstalled()) { |
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console.log(`${this.name} already is installed. Execute it by running ${this.alias}`) |
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return false |
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} |
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const fileName = this.url.substring(this.url.lastIndexOf('/') + 1) |
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console.log(`Downloading binary for ${this.name}...`) |
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await execa('curl', ['-OL', this.url], {cwd: `/tmp/`}) |
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if (!(await this.isValidShasum(`/tmp/${fileName}`))) { |
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console.log(`Unable to install ${this.name}. The checksum ${this.shasum} is not equal to the one of the downloaded file.`) |
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await unlinkSync(`/tmp/${fileName}`) |
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return false |
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} |
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await fs.copyFileSync(`/tmp/${fileName}`, `${this.binLocation}/${this.alias}`) |
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await chmodSync(`${this.binLocation}/${this.alias}`, 0o777) |
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console.log(`Successfully installed ${this.name}`) |
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return true |
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} |
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/** |
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* Uninstall the binary |
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*/ |
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uninstall = async (): Promise<boolean> => { |
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if (!(await this.isInstalled())) { |
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console.log(`${this.name} is not installed`) |
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} |
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console.log(`Uninstalling ${this.name}...`) |
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try { |
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await unlinkSync(`${this.binLocation}/${this.alias}`) |
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} catch (e) { |
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throw new Error(`Unable to uninstall ${this.name}. Please remove the file manually to continue:\nrm${this.binLocation}/${this.alias}`) |
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} |
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61
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console.log(`Uninstalled ${this.name}`) |
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return true |
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} |
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/** |
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* Check if the binary of the app exists. |
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*/ |
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isInstalled = async (): Promise<boolean> => { |
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return existsSync(`${this.binLocation}/${this.alias}`) |
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} |
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72
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73
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/** |
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* Check if the file has a valid shasum. |
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75
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* |
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76
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* @param path |
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*/ |
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isValidShasum = async (path: string): Promise<boolean> => { |
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const {stdout} = await execa('shasum', ['-a256', path]) |
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80
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const shasum = stdout.replace(path, '').trim() |
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81
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82
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return shasum === this.shasum |
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} |
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85
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} |
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87
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export default CustomTool |
bjarn /
jale
