$ git clone -n https://src.fedoraproject.org/rpms/php-pear-Cache-Lite.git /var/lib/mock/f45-build-27978-627/root/chroot_tmpdir/scmroot/php-pear-Cache-Lite
Cloning into '/var/lib/mock/f45-build-27978-627/root/chroot_tmpdir/scmroot/php-pear-Cache-Lite'...
$ git fetch origin a9dc91fc23e746ef729a7ea07bf80ffd3a46067d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pear-Cache-Lite
 * [new ref]         a9dc91fc23e746ef729a7ea07bf80ffd3a46067d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9dc91f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild