$ git clone -n https://src.fedoraproject.org/rpms/ghc-simple-cmd.git /var/lib/mock/f40-build-776666-129001/root/chroot_tmpdir/scmroot/ghc-simple-cmd
Cloning into '/var/lib/mock/f40-build-776666-129001/root/chroot_tmpdir/scmroot/ghc-simple-cmd'...
$ git fetch origin 78787d5abf5be5e332a557cf4bf05b73952fa8d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-simple-cmd
 * [new ref]         78787d5abf5be5e332a557cf4bf05b73952fa8d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78787d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild