| 1 | var url = require('url');
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| 2 | var child = require('child_process');
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| 3 | var _ = require('lodash');
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| 4 |
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| 5 | module.exports = function(topic) {
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| 6 | return {
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| 7 | topic: topic,
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| 8 | command: 'clean',
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| 9 | description: 'clean up heroku-docker images',
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| 10 | help: `help text for ${topic}:clean`,
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| 11 | run: function(context) {
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| 12 | var stdout = child.execSync(`docker images`, { encoding: 'utf8' });
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| 13 | var images = _.map(_.filter(stdout.split('\n'), isImage), lineToId);
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| 14 | images.forEach(removeImage);
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| 15 | }
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| 16 | }
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| 17 | };
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| 18 |
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| 19 | function isImage(line) {
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| 20 | return line.indexOf('heroku-docker') === 0;
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| 21 | }
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| 22 |
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| 23 | function lineToId(line) {
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| 24 | return line.split(' ')[0];
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| 25 | }
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| 26 |
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| 27 | function removeImage(image) {
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| 28 | child.execSync(`docker rmi -f ${image}`);
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| 29 | }
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