$ git clone -n https://src.fedoraproject.org/rpms/php-phpspec-prophecy-phpunit.git /var/lib/mock/f42-build-side-1-3535718-46554/root/chroot_tmpdir/scmroot/php-phpspec-prophecy-phpunit
Cloning into '/var/lib/mock/f42-build-side-1-3535718-46554/root/chroot_tmpdir/scmroot/php-phpspec-prophecy-phpunit'...
$ git fetch origin 14f003e35d809a676ab868cf96fb5a814e00abdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-phpspec-prophecy-phpunit
 * [new ref]         14f003e35d809a676ab868cf96fb5a814e00abdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14f003e update to 2.4.0 (no change)