$ git clone -n https://src.fedoraproject.org/rpms/php-yoast-phpunit-polyfills.git /var/lib/mock/f45-build-28448-629/root/chroot_tmpdir/scmroot/php-yoast-phpunit-polyfills
Cloning into '/var/lib/mock/f45-build-28448-629/root/chroot_tmpdir/scmroot/php-yoast-phpunit-polyfills'...
$ git fetch origin 6f99da50de4eff08cb9a37937d326da78577f3ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-yoast-phpunit-polyfills
 * [new ref]         6f99da50de4eff08cb9a37937d326da78577f3ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f99da5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild