$ git clone -n https://src.fedoraproject.org/rpms/ghc-Stream.git /var/lib/mock/f40-build-776460-128863/root/chroot_tmpdir/scmroot/ghc-Stream
Cloning into '/var/lib/mock/f40-build-776460-128863/root/chroot_tmpdir/scmroot/ghc-Stream'...
$ git fetch origin e47922b3f04047877e401c64e9fab28966144ead:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-Stream
 * [new ref]         e47922b3f04047877e401c64e9fab28966144ead -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e47922b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild