$ git clone -n https://src.fedoraproject.org/rpms/ezstream.git /var/lib/mock/f45-build-8560-391/root/chroot_tmpdir/scmroot/ezstream
Cloning into '/var/lib/mock/f45-build-8560-391/root/chroot_tmpdir/scmroot/ezstream'...
$ git fetch origin f34f0922ea211223456d228b81bb0676de4b02b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ezstream
 * [new ref]         f34f0922ea211223456d228b81bb0676de4b02b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f34f092 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild