$ git clone -n https://src.fedoraproject.org/rpms/php-splitbrain-php-archive.git /var/lib/mock/f45-build-28395-629/root/chroot_tmpdir/scmroot/php-splitbrain-php-archive
Cloning into '/var/lib/mock/f45-build-28395-629/root/chroot_tmpdir/scmroot/php-splitbrain-php-archive'...
$ git fetch origin 0497b39aaa1c90377b93327779e6a2352dc960b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-splitbrain-php-archive
 * [new ref]         0497b39aaa1c90377b93327779e6a2352dc960b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0497b39 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild