$ git clone -n https://src.fedoraproject.org/rpms/php-libvirt.git /var/lib/mock/f45-build-27961-627/root/chroot_tmpdir/scmroot/php-libvirt
Cloning into '/var/lib/mock/f45-build-27961-627/root/chroot_tmpdir/scmroot/php-libvirt'...
$ git fetch origin aae2edc1c655122dec5fc73b4fb9da99c5cdf10e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-libvirt
 * [new ref]         aae2edc1c655122dec5fc73b4fb9da99c5cdf10e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aae2edc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild