$ git clone -n https://src.fedoraproject.org/rpms/ghc-uuid.git /var/lib/mock/f40-build-776929-129159/root/chroot_tmpdir/scmroot/ghc-uuid
Cloning into '/var/lib/mock/f40-build-776929-129159/root/chroot_tmpdir/scmroot/ghc-uuid'...
$ git fetch origin c9df918e0a660edb5e453027975e1d285d4f6830:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-uuid
 * [new ref]         c9df918e0a660edb5e453027975e1d285d4f6830 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9df918 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild