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MIGRATION.md

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Migration

This document contains information about how to smoothly migrate the things from a version to another version.

1.x.x to 2.x.x

The big change is the the data schema -- which should be migrated.

The old ~/.git-stats format was:

{
   "<date>": {
      "<remote-url>": {
          "<hash>": "<date>"
      }
   }
}

In the new version, the remote url is not mandatory anymore. The new format is:

{
    "commits": {
        "<date>": {
            "<hash>": 1
        }
    }
}

This is supposed to change when users install the 2.x.x versions. However, if the migration script fails, you can always run it manually:

./scripts/migration/2.0.0.js

This will modify the ~/.git-stats file.

When using git-stats as library, things changed too. The old way was:

var GitStats = require("git-stats");

GitStats.ansiCalendar(opts, fn);

In 2.x.x, GitStats is a constructor. That allows us to create as many git-stats instances we want.

var GitStats = require("git-stats");

// Provide a custom data path
var gs1 = new GitStats("path/to/some/data.json");

// Use the default (~/.git-stats)
var gs2 = new GitStats();