$ git clone -n https://src.fedoraproject.org/rpms/ghc-streaming-commons.git /var/lib/mock/f45-build-10790-424/root/chroot_tmpdir/scmroot/ghc-streaming-commons
Cloning into '/var/lib/mock/f45-build-10790-424/root/chroot_tmpdir/scmroot/ghc-streaming-commons'...
$ git fetch origin 3be05e810d28134b9d0437663782bbdda48647c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-streaming-commons
 * [new ref]         3be05e810d28134b9d0437663782bbdda48647c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3be05e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild