$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-redis6.git /var/lib/mock/f45-build-28159-628/root/chroot_tmpdir/scmroot/php-pecl-redis6
Cloning into '/var/lib/mock/f45-build-28159-628/root/chroot_tmpdir/scmroot/php-pecl-redis6'...
$ git fetch origin 169126c70f04dfb665efb12a4050dd3a0cdea908:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-redis6
 * [new ref]         169126c70f04dfb665efb12a4050dd3a0cdea908 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 169126c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild