$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-streams.git /var/lib/mock/f40-build-777291-129331/root/chroot_tmpdir/scmroot/ghc-http-streams
Cloning into '/var/lib/mock/f40-build-777291-129331/root/chroot_tmpdir/scmroot/ghc-http-streams'...
$ git fetch origin 0c1acae98a5332b0031bdebe78ac81e97ebbec6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-streams
 * [new ref]         0c1acae98a5332b0031bdebe78ac81e97ebbec6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c1acae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild