$ git clone -n https://src.fedoraproject.org/rpms/phpunit8.git /var/lib/mock/f45-build-28729-632/root/chroot_tmpdir/scmroot/phpunit8
Cloning into '/var/lib/mock/f45-build-28729-632/root/chroot_tmpdir/scmroot/phpunit8'...
$ git fetch origin d18ca6ee4b514fe847a2a406b72747ec12753028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phpunit8
 * [new ref]         d18ca6ee4b514fe847a2a406b72747ec12753028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d18ca6e v8.5.54