$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-pcov.git /var/lib/mock/f42-build-862761-171084/root/chroot_tmpdir/scmroot/php-pecl-pcov
Cloning into '/var/lib/mock/f42-build-862761-171084/root/chroot_tmpdir/scmroot/php-pecl-pcov'...
$ git fetch origin 01151a5ab6d0f29736686056a21658258bfa1253:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-pcov
 * [new ref]         01151a5ab6d0f29736686056a21658258bfa1253 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01151a5 update to 1.0.12