--- /dev/null
+module.exports = tag
+
+var assert = require('assert')
+
+function tag (uri, params, cb) {
+ assert(typeof uri === 'string', 'must pass registry URI to tag')
+ assert(params && typeof params === 'object', 'must pass params to tag')
+ assert(typeof cb === 'function', 'must pass callback to tag')
+
+ assert(typeof params.version === 'string', 'must pass version to tag')
+ assert(typeof params.tag === 'string', 'must pass tag name to tag')
+ assert(
+ params.auth && typeof params.auth === 'object',
+ 'must pass auth to tag'
+ )
+
+ var options = {
+ method: 'PUT',
+ body: JSON.stringify(params.version),
+ auth: params.auth
+ }
+ this.request(uri + '/' + params.tag, options, cb)
+}