$ git clone -n https://src.fedoraproject.org/rpms/php-pear-HTTP-Request.git /var/lib/mock/f45-build-27989-627/root/chroot_tmpdir/scmroot/php-pear-HTTP-Request
Cloning into '/var/lib/mock/f45-build-27989-627/root/chroot_tmpdir/scmroot/php-pear-HTTP-Request'...
$ git fetch origin c48b97d215950e0bfa6b04a45cf0f04f4df4d583:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pear-HTTP-Request
 * [new ref]         c48b97d215950e0bfa6b04a45cf0f04f4df4d583 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c48b97d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild