$ git clone -n https://src.fedoraproject.org/rpms/s3fs-fuse.git /var/lib/mock/f45-build-35524-695/root/chroot_tmpdir/scmroot/s3fs-fuse
Cloning into '/var/lib/mock/f45-build-35524-695/root/chroot_tmpdir/scmroot/s3fs-fuse'...
$ git fetch origin 38dd395ec168f4ba87d3dd5c1cff177f54b7cdb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/s3fs-fuse
 * [new ref]         38dd395ec168f4ba87d3dd5c1cff177f54b7cdb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38dd395 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild