git ssb

1
const utils = require('./utils');
2
3
module.exports = function sync(source, target, crypt, decrypt) {
4
  return new Promise(async (resolve, reject) => {
5
    try {
6
7
      // Get stats of source and target
8
      const [ statSource, statTarget ] = await Promise.all([ utils.getStats(source), utils.getStats(target) ]);
9
10
      // Source does not exists and target exists, delete target
11
      if (statSource === null && statTarget !== null) {
12
        await utils.delete(target);
13
14
        return resolve();
15
      }
16
17
      // Dost not exists in the target, copy
18
      if (statSource !== null && statTarget === null) {
19
        await utils.copy(source, target, crypt, decrypt);
20
21
        return resolve();
22
      }
23
24
      if (statSource.isDirectory() && statTarget.isDirectory()) {
25
26
        // Verify if both are directories
27
        const nextPaths = await utils.readRecursive(source, target);
28
29
        for (let index = 0; index < nextPaths.length; index++) {
30
          const [ nextSource, nextTarget ] = nextPaths[index];
31
32
          // Start to sync next paths
33
          await sync(nextSource, nextTarget, crypt, decrypt);
34
        }
35
      } else if (statSource.isFile() && statTarget.isFile()) {
36
37
        // Verify if both are files
38
        if (statSource.mtime <= statTarget.mtime) {
39
40
          // Source is newer, copy the new version to the target
41
          await utils.copy(source, target, crypt, decrypt);
42
        }
43
      }
44
45
      return resolve();
46
    } catch (err) {
47
      return reject(err);
48
    }
49
  });
50
};