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83 lines
1.9 KiB
83 lines
1.9 KiB
"use strict";
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var EventEmitter = require('events').EventEmitter,
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path = require('path'),
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fs = require('fs'),
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nodegit = require('nodegit'),
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async = require('async'),
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Copier = require('recursive-tree-copy').Copier;
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var gitToFsCopier = new Copier({
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concurrency: 4,
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walkSourceTree: function (tree) {
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var emitter = new EventEmitter();
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process.nextTick(function () {
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var entries;
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try {
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entries = tree.gitTree.entries();
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} catch(err) {
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return emitter.emit('error', err);
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}
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async.parallel(entries.map(function (entry) {
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return function (callback) {
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if (entry.isTree()) {
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entry.getTree(function (err, subTree) {
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if (err) {
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return callback(err);
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}
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emitter.emit('tree', { gitTree: subTree, name: entry.name() });
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callback();
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});
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} else if (entry.isFile()) {
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emitter.emit('leaf', entry);
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callback();
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} else {
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callback();
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}
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};
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}), function (err) {
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if (err) {
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return emitter.emit('error', err);
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}
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return emitter.emit('done');
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});
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});
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return emitter;
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},
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createTargetTree: function (tree, targetDir, callback) {
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var targetSubdir = path.join(targetDir, tree.name);
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fs.mkdir(targetSubdir, function (err) {
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if (err) {
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return callback(err);
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}
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callback(undefined, targetSubdir);
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});
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},
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finalizeTargetTree: function (targetSubdir, callback) {
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callback();
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},
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copyLeaf: function (entry, targetDir, callback) {
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var targetPath = path.join(targetDir, entry.name());
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entry.getBlob(function (err, blob) {
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if (err) {
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return callback(err);
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}
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fs.writeFile(targetPath, blob.content(), callback);
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});
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}
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});
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exports.gitToFs = function (commit, exportDir, callback) {
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commit.getTree(function (err, tree) {
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if (err) {
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return callback(err);
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}
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gitToFsCopier.copy({ gitTree: tree, name: "." }, exportDir, callback);
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});
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};
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