$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-environment5.git /var/lib/mock/f45-build-28324-629/root/chroot_tmpdir/scmroot/php-sebastian-environment5
Cloning into '/var/lib/mock/f45-build-28324-629/root/chroot_tmpdir/scmroot/php-sebastian-environment5'...
$ git fetch origin 43674afd330b07bdd62cd0da07ce44b1fdd4d44e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-environment5
 * [new ref]         43674afd330b07bdd62cd0da07ce44b1fdd4d44e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43674af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild