@cd_gitrepo
    def test_skips_duplicates(self):
        self.commit(
            self.gitrepodir, 'jigplugins.txt',
            '{0}\n{0}\n'.format(self.plugin01_dir))

        self.run_command('jigplugins.txt')

        self.assertResults(
            result_with_hint(dedent(
                u'''
                From {0}:
                 - Added plugin plugin01 in bundle test01
                From {0}:
                 - The plugin is already installed.
                '''.format(self.plugin01_dir)),
                USE_RUNNOW),
            self.output)
If a duplicate is being installed, skips it.
dataset/ETHPy150Open robmadole/jig/src/jig/commands/tests/test_install.py/TestInstallCommand.test_skips_duplicates