$ git clone -n https://src.fedoraproject.org/rpms/rubygem-selenium-webdriver.git /var/lib/mock/f42-build-3490692-45854/root/chroot_tmpdir/scmroot/rubygem-selenium-webdriver
Cloning into '/var/lib/mock/f42-build-3490692-45854/root/chroot_tmpdir/scmroot/rubygem-selenium-webdriver'...
$ git fetch origin 482aad6015e8e980d40ef760bcb91c236bfb0824:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-selenium-webdriver
 * [new ref]         482aad6015e8e980d40ef760bcb91c236bfb0824 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 482aad6 Fix `selenium-manager` stub shebang.