Getting error while adding SQlite plugin


#1
sudo cordova plugin add https://github.com/litehelpers/Cordova-sqlite-storage.git

gives error

Error: Failed to fetch plugin https://github.com/litehelpers/Cordova-sqlite-storage.git via registry.
Probably this is either a connection problem, or plugin spec is incorrect.
Check your connection and plugin name/version/URL.
Error: npm: Command failed with exit code 1 Error output:
npm ERR! git rev-list -n1 master: fatal: ambiguous argument 'master': unknown revision or path not in the working tree.
npm ERR! git rev-list -n1 master: Use '--' to separate paths from revisions, like this:
npm ERR! git rev-list -n1 master: 'git <command> [<revision>...] -- [<file>...]'
npm ERR! git rev-list -n1 master: 
npm ERR! Darwin 16.6.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "https://github.com/litehelpers/Cordova-sqlite-storage.git" "--save"
npm ERR! node v6.10.3
npm ERR! npm  v3.10.10
npm ERR! code 128

npm ERR! Command failed: git rev-list -n1 master
npm ERR! fatal: ambiguous argument 'master': unknown revision or path not in the working tree.
npm ERR! Use '--' to separate paths from revisions, like this:
npm ERR! 'git <command> [<revision>...] -- [<file>...]'
npm ERR! 
npm ERR! 
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     /Applications/IonicApps/onelink/node_modules/npm-debug.log

but system is having working internet connections