Get the parent (or source) branch of current branch from the git repository.

Install with npm:

$ npm install --save git-branch-parent

const parent = require('git-branch-parent');

Optionally pass the cwd (current working directory) as the first argument.

Promise

parent('some/path')
  .then(name => console.log('Parent Branch:', name))
  .catch(console.error)

Sync

console.log('Parent Branch:', parent.sync())

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Released under the MIT License.