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69 lines
2.3 KiB
69 lines
2.3 KiB
const State = require('../State')
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class PackState extends State {
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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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const destination = await this._destination()
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const type = await this._get_type()
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const cd_cmd = await this._host.get_directory_change_command(await path.parent())
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if ( type === 'tar' ) {
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const tar_cmd = `${cd_cmd} && tar czf "${destination.path}" "${path.name()}"`
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await this._host.run(tar_cmd)
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} else if ( type === 'zip' ) {
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const zip_cmd = `${cd_cmd} && zip -r "${destination.path}" "${path.name()}"`
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await this._host.run(zip_cmd)
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}
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}
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}
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async check() {
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const dest = await this._destination()
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return dest.is_valid()
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}
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async reverse() {
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if ( await this.check() ) {
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const destination = await this._destination()
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await destination.classify()
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if (destination.is_valid()) await destination.unlink()
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}
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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 dest = await this._destination()
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if ( dest.path.endsWith('.tar.gz') || dest.path.endsWith('.tgz') ) return 'tar'
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else if ( dest.path.endsWith('.zip') ) return 'zip'
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throw new Error(`Unable to determine unpack type from destination: ${dest}`)
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}
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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 PackState.')
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return await this._host.get_path(this._config.destination)
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}
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async _path() {
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const path = await this._host.get_path(this._config.path)
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await path.classify()
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if ( !path.is_valid() ) throw new Error(`Invalid path for PathState: ${path}`)
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return path
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}
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failure_message() {
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return `The archive "${this._config.destination}" does not exist on the 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 = PackState
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