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72 lines
2.5 KiB
72 lines
2.5 KiB
const State = require('../State')
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class UnpackState extends State {
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static get services() {
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return [...super.services, 'output']
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}
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async apply() {
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if ( !(await this.check()) ) {
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const path = await this._path()
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await path.classify()
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if ( !path.is_file() ) throw new Error(`Invalid path for unpack: ${path}`)
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const type = await this._get_type()
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const destination = await this._destination()
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const cd_cmd = await this._host.get_directory_change_command(await destination.directory())
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if ( type === 'tar' ) {
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const untar_cmd = `${cd_cmd} && tar -x -z -f "${path.path}"`
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await this._host.run(untar_cmd)
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} else if ( type === 'zip' ) {
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const unzip_cmd = `${cd_cmd} && unzip "${path.path}"`
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await this._host.run(unzip_cmd)
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}
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}
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}
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async check() {
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return false
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}
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async reverse() {
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this.output.warn(`Unpack state does not currently support reversal. (Host: ${this._host.name})`)
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}
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async _get_type() {
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if ( this._config.format ) {
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if ( this._config.format === 'tar' ) return 'tar'
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else if ( this._config.format === 'zip' ) return 'zip'
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throw new Error('Invalid unpack format: ' + this._config.type)
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} else {
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const path = await this._path()
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if ( path.path.endsWith('.tar.gz') || path.path.endsWith('.tgz') ) return 'tar'
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else if ( path.path.endsWith('.zip') ) return 'zip'
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throw new Error(`Unable to determine unpack type from archive: ${path}`)
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}
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}
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async _path() {
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if ( !this._config.path ) throw new Error('Missing path config for UnpackState.')
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return this._host.get_path(this._config.path)
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}
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async _destination() {
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if ( !this._config.destination ) throw new Error('Missing destination config for UnpackState.')
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const path = await this._host.get_path(this._config.destination)
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await path.classify()
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if ( !path.is_directory() ) throw new Error(`Invalid extraction path. Must be a directory: ${path}`)
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return path
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}
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failure_message() {
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return `The unpacked archive does not exist at the path "${this._config.destination}" on host "${this._host.name}."`
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}
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check_message() {
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return this.failure_message()
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}
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}
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module.exports = exports = UnpackState
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