$ git clone -n https://src.fedoraproject.org/rpms/php-phar-io-version.git /var/lib/mock/f45-build-28153-628/root/chroot_tmpdir/scmroot/php-phar-io-version
Cloning into '/var/lib/mock/f45-build-28153-628/root/chroot_tmpdir/scmroot/php-phar-io-version'...
$ git fetch origin 4db729a06630f2d60ecb96aee18430f5bbd033c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-phar-io-version
 * [new ref]         4db729a06630f2d60ecb96aee18430f5bbd033c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4db729a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild