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45 lines
1.5 KiB
45 lines
1.5 KiB
5 years ago
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import { spawnSync, SpawnSyncOptions } from 'child_process'
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import { randomBytes } from 'crypto'
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export const exec = (command: string, args: string[], { env, ...rest }: SpawnSyncOptions = {}) => {
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const cmd = spawnSync(command, args, {
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...rest,
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env: {
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...process.env,
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...env,
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},
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})
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const out = cmd.stdout && cmd.stdout.toString().trim()
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const err = cmd.stderr && cmd.stderr.toString().trim()
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return { out, err }
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}
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export const checkIfResticIsAvailable = () => checkIfCommandIsAvailable(
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'restic',
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'Restic is not installed'.red + ' https://restic.readthedocs.io/en/latest/020_installation.html#stable-releases',
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)
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export const checkIfCommandIsAvailable = (cmd: string, errorMsg?: string) => {
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if (require('child_process').spawnSync(cmd).error)
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throw new Error(errorMsg ? errorMsg : `"${errorMsg}" is not installed`.red)
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}
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export const makeObjectKeysLowercase = (object: Object): any =>
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Object.fromEntries(
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Object.entries(object)
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.map(([key, value]) => [key.toLowerCase(), value]),
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)
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export function rand(length = 32): string {
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return randomBytes(length / 2).toString('hex')
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}
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export const singleToArray = <T>(singleOrArray: T | T[]): T[] => Array.isArray(singleOrArray) ? singleOrArray : [singleOrArray]
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export const filterObject = <T>(obj: { [key: string]: T }, filter: (item: [string, T]) => boolean): { [key: string]: T } => Object.fromEntries(Object.entries(obj).filter(filter))
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export const filterObjectByKey = <T>(obj: { [key: string]: T }, keys: string[]) => filterObject(obj, ([key]) => keys.includes(key))
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