$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-version4.git /var/lib/mock/f45-build-28311-629/root/chroot_tmpdir/scmroot/php-sebastian-version4
Cloning into '/var/lib/mock/f45-build-28311-629/root/chroot_tmpdir/scmroot/php-sebastian-version4'...
$ git fetch origin 4b58dfeb0512cca25b81d0ba30b525a2a1e4d474:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-version4
 * [new ref]         4b58dfeb0512cca25b81d0ba30b525a2a1e4d474 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b58dfe Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild